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Convert .tgs with go libraries (and cgo) (telegram) (#1569)

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This commit adds support for go/cgo tgs conversion when building with the -tags `cgo`
The default binaries are still "pure" go and uses the old way of converting.

* Move lottie_convert.py conversion code to its own file

* Add optional libtgsconverter

* Update vendor

* Apply suggestions from code review

* Update bridge/helper/libtgsconverter.go

Co-authored-by: Wim <wim@42.be>
This commit is contained in:
Benau 2021-08-25 04:32:50 +08:00 committed by GitHub
parent d4195deb3a
commit 53cafa9f3d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
310 changed files with 121526 additions and 85 deletions
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66
bridge/helper/helper.go
View File

@ -5,10 +5,7 @@ import (
"fmt" "fmt"
"image/png" "image/png"
"io" "io"
"io/ioutil"
"net/http" "net/http"
"os"
"os/exec"
"regexp" "regexp"
"strings" "strings"
"time" "time"
@ -239,66 +236,3 @@ func ConvertWebPToPNG(data *[]byte) error {
*data = w.Bytes() *data = w.Bytes()
return nil return nil
} }
// CanConvertTgsToX Checks whether the external command necessary for ConvertTgsToX works.
func CanConvertTgsToX() error {
// We depend on the fact that `lottie_convert.py --help` has exit status 0.
// Hyrum's Law predicted this, and Murphy's Law predicts that this will break eventually.
// However, there is no alternative like `lottie_convert.py --is-properly-installed`
cmd := exec.Command("lottie_convert.py", "--help")
return cmd.Run()
}
// ConvertTgsToWebP convert input data (which should be tgs format) to WebP format
// This relies on an external command, which is ugly, but works.
func ConvertTgsToX(data *[]byte, outputFormat string, logger *logrus.Entry) error {
// lottie can't handle input from a pipe, so write to a temporary file:
tmpInFile, err := ioutil.TempFile(os.TempDir(), "matterbridge-lottie-input-*.tgs")
if err != nil {
return err
}
tmpInFileName := tmpInFile.Name()
defer func() {
if removeErr := os.Remove(tmpInFileName); removeErr != nil {
logger.Errorf("Could not delete temporary (input) file %s: %v", tmpInFileName, removeErr)
}
}()
// lottie can handle writing to a pipe, but there is no way to do that platform-independently.
// "/dev/stdout" won't work on Windows, and "-" upsets Cairo for some reason. So we need another file:
tmpOutFile, err := ioutil.TempFile(os.TempDir(), "matterbridge-lottie-output-*.data")
if err != nil {
return err
}
tmpOutFileName := tmpOutFile.Name()
defer func() {
if removeErr := os.Remove(tmpOutFileName); removeErr != nil {
logger.Errorf("Could not delete temporary (output) file %s: %v", tmpOutFileName, removeErr)
}
}()
if _, writeErr := tmpInFile.Write(*data); writeErr != nil {
return writeErr
}
// Must close before calling lottie to avoid data races:
if closeErr := tmpInFile.Close(); closeErr != nil {
return closeErr
}
// Call lottie to transform:
cmd := exec.Command("lottie_convert.py", "--input-format", "lottie", "--output-format", outputFormat, tmpInFileName, tmpOutFileName)
cmd.Stdout = nil
cmd.Stderr = nil
// NB: lottie writes progress into to stderr in all cases.
_, stderr := cmd.Output()
if stderr != nil {
// 'stderr' already contains some parts of Stderr, because it was set to 'nil'.
return stderr
}
dataContents, err := ioutil.ReadFile(tmpOutFileName)
if err != nil {
return err
}
*data = dataContents
return nil
}

34
bridge/helper/libtgsconverter.go Normal file
View File

@ -0,0 +1,34 @@
// +build cgo
package helper
import (
"fmt"
"github.com/Benau/tgsconverter/libtgsconverter"
"github.com/sirupsen/logrus"
)
func CanConvertTgsToX() error {
return nil
}
// ConvertTgsToX convert input data (which should be tgs format) to any format supported by libtgsconverter
func ConvertTgsToX(data *[]byte, outputFormat string, logger *logrus.Entry) error {
options := libtgsconverter.NewConverterOptions()
options.SetExtension(outputFormat)
blob, err := libtgsconverter.ImportFromData(*data, options)
if err != nil {
return fmt.Errorf("failed to run libtgsconverter.ImportFromData: %s", err.Error())
}
*data = blob
return nil
}
func SupportsFormat(format string) bool {
return libtgsconverter.SupportsExtension(format)
}
func LottieBackend() string {
return "libtgsconverter"
}

89
bridge/helper/lottie_convert.go Normal file
View File

@ -0,0 +1,89 @@
// +build !cgo
package helper
import (
"io/ioutil"
"os"
"os/exec"
"github.com/sirupsen/logrus"
)
// CanConvertTgsToX Checks whether the external command necessary for ConvertTgsToX works.
func CanConvertTgsToX() error {
// We depend on the fact that `lottie_convert.py --help` has exit status 0.
// Hyrum's Law predicted this, and Murphy's Law predicts that this will break eventually.
// However, there is no alternative like `lottie_convert.py --is-properly-installed`
cmd := exec.Command("lottie_convert.py", "--help")
return cmd.Run()
}
// ConvertTgsToWebP convert input data (which should be tgs format) to WebP format
// This relies on an external command, which is ugly, but works.
func ConvertTgsToX(data *[]byte, outputFormat string, logger *logrus.Entry) error {
// lottie can't handle input from a pipe, so write to a temporary file:
tmpInFile, err := ioutil.TempFile(os.TempDir(), "matterbridge-lottie-input-*.tgs")
if err != nil {
return err
}
tmpInFileName := tmpInFile.Name()
defer func() {
if removeErr := os.Remove(tmpInFileName); removeErr != nil {
logger.Errorf("Could not delete temporary (input) file %s: %v", tmpInFileName, removeErr)
}
}()
// lottie can handle writing to a pipe, but there is no way to do that platform-independently.
// "/dev/stdout" won't work on Windows, and "-" upsets Cairo for some reason. So we need another file:
tmpOutFile, err := ioutil.TempFile(os.TempDir(), "matterbridge-lottie-output-*.data")
if err != nil {
return err
}
tmpOutFileName := tmpOutFile.Name()
defer func() {
if removeErr := os.Remove(tmpOutFileName); removeErr != nil {
logger.Errorf("Could not delete temporary (output) file %s: %v", tmpOutFileName, removeErr)
}
}()
if _, writeErr := tmpInFile.Write(*data); writeErr != nil {
return writeErr
}
// Must close before calling lottie to avoid data races:
if closeErr := tmpInFile.Close(); closeErr != nil {
return closeErr
}
// Call lottie to transform:
cmd := exec.Command("lottie_convert.py", "--input-format", "lottie", "--output-format", outputFormat, tmpInFileName, tmpOutFileName)
cmd.Stdout = nil
cmd.Stderr = nil
// NB: lottie writes progress into to stderr in all cases.
_, stderr := cmd.Output()
if stderr != nil {
// 'stderr' already contains some parts of Stderr, because it was set to 'nil'.
return stderr
}
dataContents, err := ioutil.ReadFile(tmpOutFileName)
if err != nil {
return err
}
*data = dataContents
return nil
}
func SupportsFormat(format string) bool {
switch format {
case "png":
fallthrough
case "webp":
return true
default:
return false
}
return false
}
func LottieBackend() string {
return "lottie_convert.py"
}

18
bridge/telegram/handlers.go
View File

@ -220,20 +220,10 @@ func (b *Btelegram) handleDownloadAvatar(userid int, channel string) {
} }
func (b *Btelegram) maybeConvertTgs(name *string, data *[]byte) { func (b *Btelegram) maybeConvertTgs(name *string, data *[]byte) {
var format string format := b.GetString("MediaConvertTgs")
switch b.GetString("MediaConvertTgs") { if helper.SupportsFormat(format) {
case FormatWebp: b.Log.Debugf("Format supported by %s, converting %v", helper.LottieBackend(), name)
b.Log.Debugf("Tgs to WebP conversion enabled, converting %v", name) } else {
format = FormatWebp
case FormatPng:
// The WebP to PNG converter can't handle animated webp files yet,
// and I'm not going to write a path for x/image/webp.
// The error message would be:
// conversion failed: webp: non-Alpha VP8X is not implemented
// So instead, we tell lottie to directly go to PNG.
b.Log.Debugf("Tgs to PNG conversion enabled, converting %v", name)
format = FormatPng
default:
// Otherwise, no conversion was requested. Trying to run the usual webp // Otherwise, no conversion was requested. Trying to run the usual webp
// converter would fail, because '.tgs.webp' is actually a gzipped JSON // converter would fail, because '.tgs.webp' is actually a gzipped JSON
// file, and has nothing to do with WebP. // file, and has nothing to do with WebP.

8
bridge/telegram/telegram.go
View File

@ -17,8 +17,6 @@ const (
HTMLFormat = "HTML" HTMLFormat = "HTML"
HTMLNick = "htmlnick" HTMLNick = "htmlnick"
MarkdownV2 = "MarkdownV2" MarkdownV2 = "MarkdownV2"
FormatPng = "png"
FormatWebp = "webp"
) )
type Btelegram struct { type Btelegram struct {
@ -32,10 +30,10 @@ func New(cfg *bridge.Config) bridge.Bridger {
if tgsConvertFormat != "" { if tgsConvertFormat != "" {
err := helper.CanConvertTgsToX() err := helper.CanConvertTgsToX()
if err != nil { if err != nil {
log.Fatalf("Telegram bridge configured to convert .tgs files to '%s', but lottie does not appear to work:\n%#v", tgsConvertFormat, err) log.Fatalf("Telegram bridge configured to convert .tgs files to '%s', but %s does not appear to work:\n%#v", tgsConvertFormat, helper.LottieBackend(), err)
} }
if tgsConvertFormat != FormatPng && tgsConvertFormat != FormatWebp { if !helper.SupportsFormat(tgsConvertFormat) {
log.Fatalf("Telegram bridge configured to convert .tgs files to '%s', but only '%s' and '%s' are supported.", FormatPng, FormatWebp, tgsConvertFormat) log.Fatalf("Telegram bridge configured to convert .tgs files to '%s', but %s doesn't support it.", tgsConvertFormat, helper.LottieBackend())
} }
} }
return &Btelegram{Config: cfg, avatarMap: make(map[string]string)} return &Btelegram{Config: cfg, avatarMap: make(map[string]string)}

1
go.mod
View File

@ -3,6 +3,7 @@ module github.com/42wim/matterbridge
require ( require (
github.com/42wim/go-gitter v0.0.0-20170828205020-017310c2d557 github.com/42wim/go-gitter v0.0.0-20170828205020-017310c2d557
github.com/Baozisoftware/qrcode-terminal-go v0.0.0-20170407111555-c0650d8dff0f github.com/Baozisoftware/qrcode-terminal-go v0.0.0-20170407111555-c0650d8dff0f
github.com/Benau/tgsconverter v0.0.0-20210809170556-99f4a4f6337f
github.com/Jeffail/gabs v1.4.0 // indirect github.com/Jeffail/gabs v1.4.0 // indirect
github.com/Philipp15b/go-steam v1.0.1-0.20200727090957-6ae9b3c0a560 github.com/Philipp15b/go-steam v1.0.1-0.20200727090957-6ae9b3c0a560
github.com/Rhymen/go-whatsapp v0.1.2-0.20210615184944-2b8a3e9b8aa2 github.com/Rhymen/go-whatsapp v0.1.2-0.20210615184944-2b8a3e9b8aa2

10
go.sum
View File

@ -56,6 +56,10 @@ github.com/Azure/azure-sdk-for-go v26.5.0+incompatible/go.mod h1:9XXNKU+eRnpl9mo
github.com/Azure/go-autorest v11.5.2+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24= github.com/Azure/go-autorest v11.5.2+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
github.com/Baozisoftware/qrcode-terminal-go v0.0.0-20170407111555-c0650d8dff0f h1:2dk3eOnYllh+wUOuDhOoC2vUVoJF/5z478ryJ+wzEII= github.com/Baozisoftware/qrcode-terminal-go v0.0.0-20170407111555-c0650d8dff0f h1:2dk3eOnYllh+wUOuDhOoC2vUVoJF/5z478ryJ+wzEII=
github.com/Baozisoftware/qrcode-terminal-go v0.0.0-20170407111555-c0650d8dff0f/go.mod h1:4a58ifQTEe2uwwsaqbh3i2un5/CBPg+At/qHpt18Tmk= github.com/Baozisoftware/qrcode-terminal-go v0.0.0-20170407111555-c0650d8dff0f/go.mod h1:4a58ifQTEe2uwwsaqbh3i2un5/CBPg+At/qHpt18Tmk=
github.com/Benau/go_rlottie v0.0.0-20210807002906-98c1b2421989 h1:+wrfJITuBoQOE6ST4k3c4EortNVQXVhfAbwt0M/j0+Y=
github.com/Benau/go_rlottie v0.0.0-20210807002906-98c1b2421989/go.mod h1:aDWSWjsayFyGTvHZH3v4ijGXEBe51xcEkAK+NUWeOeo=
github.com/Benau/tgsconverter v0.0.0-20210809170556-99f4a4f6337f h1:aUkwZDEMJIGRcWlSDifSLoKG37UCOH/DPeG52/xwois=
github.com/Benau/tgsconverter v0.0.0-20210809170556-99f4a4f6337f/go.mod h1:AQiQKKI/YIIctvDt3hI3c1S05/JXMM7v/sQcRd0paVE=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@ -118,6 +122,8 @@ github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmV
github.com/armon/go-metrics v0.3.4/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc= github.com/armon/go-metrics v0.3.4/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8= github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A= github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
github.com/av-elier/go-decimal-to-rational v0.0.0-20191127152832-89e6aad02ecf h1:csfEAyvOG4/498Q4SyF48ysFqQC9ESj3o8ppRtg+Rog=
github.com/av-elier/go-decimal-to-rational v0.0.0-20191127152832-89e6aad02ecf/go.mod h1:POPnOeaYF7U9o3PjLTb9icRfEOxjBNLRXh9BLximJGM=
github.com/avct/uasurfer v0.0.0-20191028135549-26b5daa857f1/go.mod h1:noBAuukeYOXa0aXGqxr24tADqkwDO2KRD15FsuaZ5a8= github.com/avct/uasurfer v0.0.0-20191028135549-26b5daa857f1/go.mod h1:noBAuukeYOXa0aXGqxr24tADqkwDO2KRD15FsuaZ5a8=
github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU= github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
github.com/aws/aws-sdk-go v1.19.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo= github.com/aws/aws-sdk-go v1.19.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
@ -501,6 +507,8 @@ github.com/kataras/golog v0.0.9/go.mod h1:12HJgwBIZFNGL0EJnMRhmvGA0PQGx8VFwrZtM4
github.com/kataras/iris/v12 v12.0.1/go.mod h1:udK4vLQKkdDqMGJJVd/msuMtN6hpYJhg/lSzuxjhO+U= github.com/kataras/iris/v12 v12.0.1/go.mod h1:udK4vLQKkdDqMGJJVd/msuMtN6hpYJhg/lSzuxjhO+U=
github.com/kataras/neffos v0.0.10/go.mod h1:ZYmJC07hQPW67eKuzlfY7SO3bC0mw83A3j6im82hfqw= github.com/kataras/neffos v0.0.10/go.mod h1:ZYmJC07hQPW67eKuzlfY7SO3bC0mw83A3j6im82hfqw=
github.com/kataras/pio v0.0.0-20190103105442-ea782b38602d/go.mod h1:NV88laa9UiiDuX9AhMbDPkGYSPugBOV6yTZB1l2K9Z0= github.com/kataras/pio v0.0.0-20190103105442-ea782b38602d/go.mod h1:NV88laa9UiiDuX9AhMbDPkGYSPugBOV6yTZB1l2K9Z0=
github.com/kettek/apng v0.0.0-20191108220231-414630eed80f h1:dnCYnTSltLuPMfc7dMrkz2uBUcEf/OFBR8yRh3oRT98=
github.com/kettek/apng v0.0.0-20191108220231-414630eed80f/go.mod h1:x78/VRQYKuCftMWS0uK5e+F5RJ7S4gSlESRWI0Prl6Q=
github.com/keybase/go-keybase-chat-bot v0.0.0-20200505163032-5cacf52379da h1:LK+8uBG3kNikj664cjFt88RBmuGmonxkXv2rUVfbqz4= github.com/keybase/go-keybase-chat-bot v0.0.0-20200505163032-5cacf52379da h1:LK+8uBG3kNikj664cjFt88RBmuGmonxkXv2rUVfbqz4=
github.com/keybase/go-keybase-chat-bot v0.0.0-20200505163032-5cacf52379da/go.mod h1:xJA+X9ZVyT/irGldcb7q1XnJBq5F9s5H9h2L44Y+poY= github.com/keybase/go-keybase-chat-bot v0.0.0-20200505163032-5cacf52379da/go.mod h1:xJA+X9ZVyT/irGldcb7q1XnJBq5F9s5H9h2L44Y+poY=
github.com/keybase/go-ps v0.0.0-20190827175125-91aafc93ba19/go.mod h1:hY+WOq6m2FpbvyrI93sMaypsttvaIL5nhVR92dTMUcQ= github.com/keybase/go-ps v0.0.0-20190827175125-91aafc93ba19/go.mod h1:hY+WOq6m2FpbvyrI93sMaypsttvaIL5nhVR92dTMUcQ=
@ -838,6 +846,8 @@ github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrf
github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0= github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE= github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0= github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
github.com/sizeofint/webpanimation v0.0.0-20210809145948-1d2b32119882 h1:A7o8tOERTtpD/poS+2VoassCjXpjHn916luXbf5QKD0=
github.com/sizeofint/webpanimation v0.0.0-20210809145948-1d2b32119882/go.mod h1:5IwJoz9Pw7JsrCN4/skkxUtSWT7myuUPLhCgv6Q5vvQ=
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0= github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M= github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
github.com/slack-go/slack v0.9.3 h1:H1UwldF1zWQakjaSymbHMgG3Pg1BiClez/a7JRLdxKc= github.com/slack-go/slack v0.9.3 h1:H1UwldF1zWQakjaSymbHMgG3Pg1BiClez/a7JRLdxKc=

24
vendor/github.com/Benau/go_rlottie/LICENSE generated vendored Normal file
View File

@ -0,0 +1,24 @@
The MIT License
Copyright (c) 2021, (see AUTHORS)
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

1
vendor/github.com/Benau/go_rlottie/README.md generated vendored Normal file
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Go binding for https://github.com/Samsung/rlottie, example at https://github.com/Benau/tgsconverter

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vendor/github.com/Benau/go_rlottie/binding_c_lottieanimation_capi.cpp generated vendored Normal file
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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rlottie.h"
#include "rlottie_capi.h"
#include "vector_vdebug.h"
using namespace rlottie;
extern "C" {
#include <string.h>
#include <stdarg.h>
struct Lottie_Animation_S
{
std::unique_ptr<Animation> mAnimation;
std::future<Surface> mRenderTask;
uint32_t *mBufferRef;
LOTMarkerList *mMarkerList;
};
RLOTTIE_API Lottie_Animation_S *lottie_animation_from_file(const char *path)
{
if (auto animation = Animation::loadFromFile(path) ) {
Lottie_Animation_S *handle = new Lottie_Animation_S();
handle->mAnimation = std::move(animation);
return handle;
} else {
return nullptr;
}
}
RLOTTIE_API Lottie_Animation_S *lottie_animation_from_data(const char *data, const char *key, const char *resourcePath)
{
if (auto animation = Animation::loadFromData(data, key, resourcePath) ) {
Lottie_Animation_S *handle = new Lottie_Animation_S();
handle->mAnimation = std::move(animation);
return handle;
} else {
return nullptr;
}
}
RLOTTIE_API void lottie_animation_destroy(Lottie_Animation_S *animation)
{
if (animation) {
if (animation->mMarkerList) {
for(size_t i = 0; i < animation->mMarkerList->size; i++) {
if (animation->mMarkerList->ptr[i].name) free(animation->mMarkerList->ptr[i].name);
}
delete[] animation->mMarkerList->ptr;
delete animation->mMarkerList;
}
if (animation->mRenderTask.valid()) {
animation->mRenderTask.get();
}
animation->mAnimation = nullptr;
delete animation;
}
}
RLOTTIE_API void lottie_animation_get_size(const Lottie_Animation_S *animation, size_t *width, size_t *height)
{
if (!animation) return;
animation->mAnimation->size(*width, *height);
}
RLOTTIE_API double lottie_animation_get_duration(const Lottie_Animation_S *animation)
{
if (!animation) return 0;
return animation->mAnimation->duration();
}
RLOTTIE_API size_t lottie_animation_get_totalframe(const Lottie_Animation_S *animation)
{
if (!animation) return 0;
return animation->mAnimation->totalFrame();
}
RLOTTIE_API double lottie_animation_get_framerate(const Lottie_Animation_S *animation)
{
if (!animation) return 0;
return animation->mAnimation->frameRate();
}
RLOTTIE_API const LOTLayerNode * lottie_animation_render_tree(Lottie_Animation_S *animation, size_t frame_num, size_t width, size_t height)
{
if (!animation) return nullptr;
return animation->mAnimation->renderTree(frame_num, width, height);
}
RLOTTIE_API size_t
lottie_animation_get_frame_at_pos(const Lottie_Animation_S *animation, float pos)
{
if (!animation) return 0;
return animation->mAnimation->frameAtPos(pos);
}
RLOTTIE_API void
lottie_animation_render(Lottie_Animation_S *animation,
size_t frame_number,
uint32_t *buffer,
size_t width,
size_t height,
size_t bytes_per_line)
{
if (!animation) return;
rlottie::Surface surface(buffer, width, height, bytes_per_line);
animation->mAnimation->renderSync(frame_number, surface);
}
RLOTTIE_API void
lottie_animation_render_async(Lottie_Animation_S *animation,
size_t frame_number,
uint32_t *buffer,
size_t width,
size_t height,
size_t bytes_per_line)
{
if (!animation) return;
rlottie::Surface surface(buffer, width, height, bytes_per_line);
animation->mRenderTask = animation->mAnimation->render(frame_number, surface);
animation->mBufferRef = buffer;
}
RLOTTIE_API uint32_t *
lottie_animation_render_flush(Lottie_Animation_S *animation)
{
if (!animation) return nullptr;
if (animation->mRenderTask.valid()) {
animation->mRenderTask.get();
}
return animation->mBufferRef;
}
RLOTTIE_API void
lottie_animation_property_override(Lottie_Animation_S *animation,
const Lottie_Animation_Property type,
const char *keypath,
...)
{
va_list prop;
va_start(prop, keypath);
const int arg_count = [type](){
switch (type) {
case LOTTIE_ANIMATION_PROPERTY_FILLCOLOR:
case LOTTIE_ANIMATION_PROPERTY_STROKECOLOR:
return 3;
case LOTTIE_ANIMATION_PROPERTY_FILLOPACITY:
case LOTTIE_ANIMATION_PROPERTY_STROKEOPACITY:
case LOTTIE_ANIMATION_PROPERTY_STROKEWIDTH:
case LOTTIE_ANIMATION_PROPERTY_TR_ROTATION:
return 1;
case LOTTIE_ANIMATION_PROPERTY_TR_POSITION:
case LOTTIE_ANIMATION_PROPERTY_TR_SCALE:
return 2;
default:
return 0;
}
}();
double v[3] = {0};
for (int i = 0; i < arg_count ; i++) {
v[i] = va_arg(prop, double);
}
va_end(prop);
switch(type) {
case LOTTIE_ANIMATION_PROPERTY_FILLCOLOR: {
double r = v[0];
double g = v[1];
double b = v[2];
if (r > 1 || r < 0 || g > 1 || g < 0 || b > 1 || b < 0) break;
animation->mAnimation->setValue<rlottie::Property::FillColor>(keypath, rlottie::Color(r, g, b));
break;
}
case LOTTIE_ANIMATION_PROPERTY_FILLOPACITY: {
double opacity = v[0];
if (opacity > 100 || opacity < 0) break;
animation->mAnimation->setValue<rlottie::Property::FillOpacity>(keypath, (float)opacity);
break;
}
case LOTTIE_ANIMATION_PROPERTY_STROKECOLOR: {
double r = v[0];
double g = v[1];
double b = v[2];
if (r > 1 || r < 0 || g > 1 || g < 0 || b > 1 || b < 0) break;
animation->mAnimation->setValue<rlottie::Property::StrokeColor>(keypath, rlottie::Color(r, g, b));
break;
}
case LOTTIE_ANIMATION_PROPERTY_STROKEOPACITY: {
double opacity = v[0];
if (opacity > 100 || opacity < 0) break;
animation->mAnimation->setValue<rlottie::Property::StrokeOpacity>(keypath, (float)opacity);
break;
}
case LOTTIE_ANIMATION_PROPERTY_STROKEWIDTH: {
double width = v[0];
if (width < 0) break;
animation->mAnimation->setValue<rlottie::Property::StrokeWidth>(keypath, (float)width);
break;
}
case LOTTIE_ANIMATION_PROPERTY_TR_POSITION: {
double x = v[0];
double y = v[1];
animation->mAnimation->setValue<rlottie::Property::TrPosition>(keypath, rlottie::Point((float)x, (float)y));
break;
}
case LOTTIE_ANIMATION_PROPERTY_TR_SCALE: {
double w = v[0];
double h = v[1];
animation->mAnimation->setValue<rlottie::Property::TrScale>(keypath, rlottie::Size((float)w, (float)h));
break;
}
case LOTTIE_ANIMATION_PROPERTY_TR_ROTATION: {
double r = v[0];
animation->mAnimation->setValue<rlottie::Property::TrRotation>(keypath, (float)r);
break;
}
case LOTTIE_ANIMATION_PROPERTY_TR_ANCHOR:
case LOTTIE_ANIMATION_PROPERTY_TR_OPACITY:
//@TODO handle propery update.
break;
}
}
RLOTTIE_API const LOTMarkerList*
lottie_animation_get_markerlist(Lottie_Animation_S *animation)
{
if (!animation) return nullptr;
auto markers = animation->mAnimation->markers();
if (markers.size() == 0) return nullptr;
if (animation->mMarkerList) return (const LOTMarkerList*)animation->mMarkerList;
animation->mMarkerList = new LOTMarkerList();
animation->mMarkerList->size = markers.size();
animation->mMarkerList->ptr = new LOTMarker[markers.size()]();
for(size_t i = 0; i < markers.size(); i++) {
animation->mMarkerList->ptr[i].name = strdup(std::get<0>(markers[i]).c_str());
animation->mMarkerList->ptr[i].startframe= std::get<1>(markers[i]);
animation->mMarkerList->ptr[i].endframe= std::get<2>(markers[i]);
}
return (const LOTMarkerList*)animation->mMarkerList;
}
RLOTTIE_API void
lottie_configure_model_cache_size(size_t cacheSize)
{
rlottie::configureModelCacheSize(cacheSize);
}
}

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vendor/github.com/Benau/go_rlottie/config.h generated vendored Normal file
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#ifndef GO_RLOTTIE_HPP
#define GO_RLOTTIE_HPP
#ifndef __APPLE__
#ifdef __ARM_NEON__
#define USE_ARM_NEON
#endif
#endif
#define LOTTIE_THREAD_SUPPORT
#define LOTTIE_CACHE_SUPPORT
#endif

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vendor/github.com/Benau/go_rlottie/generate_from_rlottie.py generated vendored Normal file
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#!/usr/bin/python3
# ./generate_from_rlottie.py /path/to/clean/rlottie/src/ /path/to/clean/rlottie/inc/
import glob
import os
import re
import sys
FILE_KEYS = {}
def get_closest_local_header(header):
for full_path, local in FILE_KEYS.items():
if os.path.basename(full_path) == header:
return local
return ''
def fix_headers(code_text):
out = ''
has_neon = False
for line in code_text:
# Special fixes
if line == '#include <vpoint.h>':
line = '#include "vpoint.h"'
if line == '#include <vsharedptr.h>':
line = '#include "vsharedptr.h"'
if line == '#include <vglobal.h>':
line = '#include "vglobal.h"'
if line == '#include <vrect.h>':
line = '#include "vrect.h"'
# ARM on apple fixes
if '__ARM_NEON__' in line:
has_neon = True
line = line.replace('__ARM_NEON__', 'USE_ARM_NEON')
header_file = re.match('#include\s+["]([^"]+)["].*', line)
# regex to search for <, > too
#header_file = re.match('#include\s+[<"]([^>"]+)[>"].*', line)
if header_file:
header = header_file.groups()[0]
abs_header = os.path.abspath(header)
header_exists = os.path.exists(abs_header)
if header_exists and abs_header in FILE_KEYS:
out += '#include "' + FILE_KEYS[abs_header] + '"\n'
else:
local = get_closest_local_header(header)
if local != '':
out += '#include "' + local + '"\n'
else:
out += line + '\n'
else:
out += line + '\n'
if has_neon:
out = '#include "config.h"\n' + out
return out
if len(sys.argv) < 2:
print('usage: ./generate_from_rlottie.py /path/to/clean/rlottie/src/ /path/to/clean/rlottie/inc/')
os._exit(1)
code = ['.c', '.s', '.S', '.sx', 'cc', 'cpp', 'cpp' ]
header = ['.h', '.hh', '.hpp', '.hxx' ]
# Remove old files
files = os.listdir('.')
for file in files:
if file.endswith(tuple(code)) or file.endswith(tuple(header)):
os.remove(os.path.join('.', file))
paths = []
it = iter(sys.argv)
next(it, None)
for argv in it:
paths.append(argv)
for path in paths:
for file in glob.iglob(path + '/**', recursive=True):
# Ignore msvc config.h and wasm file
if file.endswith('config.h') or 'wasm' in file:
continue
if file.endswith(tuple(code)) or file.endswith(tuple(header)):
key = os.path.abspath(file)
val = file.replace(path, '').replace('/', '_')
FILE_KEYS[key] = val
header_check = []
for full_path, local in FILE_KEYS.items():
header_file = os.path.basename(full_path)
if header_file.endswith(tuple(code)):
continue
if not header_file in header_check:
header_check.append(header_file)
else:
print('WARNING: ' + header_file + ' has multiple reference in subdirectories')
cur_dir = os.path.abspath('.')
for full_path, local in FILE_KEYS.items():
os.chdir(os.path.dirname(full_path))
with open(full_path) as code:
code_text = code.read().splitlines()
code.close()
fixed = fix_headers(code_text)
os.chdir(cur_dir)
local_file = open(local, "w")
local_file.write(fixed)
local_file.close()
# Write config.h
config = '#ifndef GO_RLOTTIE_HPP\n#define GO_RLOTTIE_HPP\n'
# ARM on apple won't compile
config += '#ifndef __APPLE__\n#ifdef __ARM_NEON__\n#define USE_ARM_NEON\n#endif\n#endif\n'
config += '#define LOTTIE_THREAD_SUPPORT\n#define LOTTIE_CACHE_SUPPORT\n'
config += '#endif\n'
config_file = open('config.h', "w")
config_file.write(config)
config_file.close()
# Fix vector_pixman_pixman-arm-neon-asm.S
with open('vector_pixman_pixman-arm-neon-asm.S') as code:
assembly = code.read()
code.close()
assembly = '#include "config.h"\n#ifdef USE_ARM_NEON\n' + assembly + '#endif\n'
fixed_assembly = open('vector_pixman_pixman-arm-neon-asm.S', "w")
fixed_assembly.write(assembly)
fixed_assembly.close()

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vendor/github.com/Benau/go_rlottie/go.mod generated vendored Normal file
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module github.com/Benau/go_rlottie

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vendor/github.com/Benau/go_rlottie/go_rlottie.go generated vendored Normal file
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package go_rlottie
/*
#cgo !windows LDFLAGS: -lm
#cgo windows CFLAGS: -DRLOTTIE_BUILD=0
#cgo windows CXXFLAGS: -DRLOTTIE_BUILD=0
#cgo CXXFLAGS: -std=c++14 -fno-exceptions -fno-asynchronous-unwind-tables -fno-rtti -Wall -fvisibility=hidden -Wnon-virtual-dtor -Woverloaded-virtual -Wno-unused-parameter
#include "rlottie_capi.h"
void lottie_configure_model_cache_size(size_t cacheSize);
*/
import "C"
import "unsafe"
type Lottie_Animation *C.Lottie_Animation
func LottieConfigureModelCacheSize(size uint) {
C.lottie_configure_model_cache_size(C.size_t(size))
}
func LottieAnimationFromData(data string, key string, resource_path string) Lottie_Animation {
var animation Lottie_Animation
animation = C.lottie_animation_from_data(C.CString(data), C.CString(key), C.CString(resource_path))
return animation
}
func LottieAnimationDestroy(animation Lottie_Animation) {
C.lottie_animation_destroy(animation)
}
func LottieAnimationGetSize(animation Lottie_Animation) (uint, uint) {
var width C.size_t
var height C.size_t
C.lottie_animation_get_size(animation, &width, &height)
return uint(width), uint(height)
}
func LottieAnimationGetTotalframe(animation Lottie_Animation) uint {
return uint(C.lottie_animation_get_totalframe(animation))
}
func LottieAnimationGetFramerate(animation Lottie_Animation) float64 {
return float64(C.lottie_animation_get_framerate(animation))
}
func LottieAnimationGetFrameAtPos(animation Lottie_Animation, pos float32) uint {
return uint(C.lottie_animation_get_frame_at_pos(animation, C.float(pos)))
}
func LottieAnimationGetDuration(animation Lottie_Animation) float64 {
return float64(C.lottie_animation_get_duration(animation))
}
func LottieAnimationRender(animation Lottie_Animation, frame_num uint, buffer []byte, width uint, height uint, bytes_per_line uint) {
var ptr *C.uint32_t = (*C.uint32_t)(unsafe.Pointer(&buffer[0]));
C.lottie_animation_render(animation, C.size_t(frame_num), ptr, C.size_t(width), C.size_t(height), C.size_t(bytes_per_line))
}

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vendor/github.com/Benau/go_rlottie/lottie_lottieanimation.cpp generated vendored Normal file
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#include "config.h"
/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include "lottie_lottieitem.h"
#include "lottie_lottiemodel.h"
#include "rlottie.h"
#include <fstream>
using namespace rlottie;
using namespace rlottie::internal;
RLOTTIE_API void rlottie::configureModelCacheSize(size_t cacheSize)
{
internal::model::configureModelCacheSize(cacheSize);
}
struct RenderTask {
RenderTask() { receiver = sender.get_future(); }
std::promise<Surface> sender;
std::future<Surface> receiver;
AnimationImpl * playerImpl{nullptr};
size_t frameNo{0};
Surface surface;
bool keepAspectRatio{true};
};
using SharedRenderTask = std::shared_ptr<RenderTask>;
class AnimationImpl {
public:
void init(std::shared_ptr<model::Composition> composition);
bool update(size_t frameNo, const VSize &size, bool keepAspectRatio);
VSize size() const { return mModel->size(); }
double duration() const { return mModel->duration(); }
double frameRate() const { return mModel->frameRate(); }
size_t totalFrame() const { return mModel->totalFrame(); }
size_t frameAtPos(double pos) const { return mModel->frameAtPos(pos); }
Surface render(size_t frameNo, const Surface &surface,
bool keepAspectRatio);
std::future<Surface> renderAsync(size_t frameNo, Surface &&surface,
bool keepAspectRatio);
const LOTLayerNode * renderTree(size_t frameNo, const VSize &size);
const LayerInfoList &layerInfoList() const
{
if (mLayerList.empty()) {
mLayerList = mModel->layerInfoList();
}
return mLayerList;
}
const MarkerList &markers() const { return mModel->markers(); }
void setValue(const std::string &keypath, LOTVariant &&value);
void removeFilter(const std::string &keypath, Property prop);
private:
mutable LayerInfoList mLayerList;
model::Composition * mModel;
SharedRenderTask mTask;
std::atomic<bool> mRenderInProgress;
std::unique_ptr<renderer::Composition> mRenderer{nullptr};
};
void AnimationImpl::setValue(const std::string &keypath, LOTVariant &&value)
{
if (keypath.empty()) return;
mRenderer->setValue(keypath, value);
}
const LOTLayerNode *AnimationImpl::renderTree(size_t frameNo, const VSize &size)
{
if (update(frameNo, size, true)) {
mRenderer->buildRenderTree();
}
return mRenderer->renderTree();
}
bool AnimationImpl::update(size_t frameNo, const VSize &size,
bool keepAspectRatio)
{
frameNo += mModel->startFrame();
if (frameNo > mModel->endFrame()) frameNo = mModel->endFrame();
if (frameNo < mModel->startFrame()) frameNo = mModel->startFrame();
return mRenderer->update(int(frameNo), size, keepAspectRatio);
}
Surface AnimationImpl::render(size_t frameNo, const Surface &surface,
bool keepAspectRatio)
{
bool renderInProgress = mRenderInProgress.load();
if (renderInProgress) {
vCritical << "Already Rendering Scheduled for this Animation";
return surface;
}
mRenderInProgress.store(true);
update(
frameNo,
VSize(int(surface.drawRegionWidth()), int(surface.drawRegionHeight())),
keepAspectRatio);
mRenderer->render(surface);
mRenderInProgress.store(false);
return surface;
}
void AnimationImpl::init(std::shared_ptr<model::Composition> composition)
{
mModel = composition.get();
mRenderer = std::make_unique<renderer::Composition>(composition);
mRenderInProgress = false;
}
#ifdef LOTTIE_THREAD_SUPPORT
#include <thread>
#include "vector_vtaskqueue.h"
/*
* Implement a task stealing schduler to perform render task
* As each player draws into its own buffer we can delegate this
* task to a slave thread. The scheduler creates a threadpool depending
* on the number of cores available in the system and does a simple fair
* scheduling by assigning the task in a round-robin fashion. Each thread
* in the threadpool has its own queue. once it finishes all the task on its
* own queue it goes through rest of the queue and looks for task if it founds
* one it steals the task from it and executes. if it couldn't find one then it
* just waits for new task on its own queue.
*/
class RenderTaskScheduler {
const unsigned _count{std::thread::hardware_concurrency()};
std::vector<std::thread> _threads;
std::vector<TaskQueue<SharedRenderTask>> _q{_count};
std::atomic<unsigned> _index{0};
void run(unsigned i)
{
while (true) {
bool success = false;
SharedRenderTask task;
for (unsigned n = 0; n != _count * 2; ++n) {
if (_q[(i + n) % _count].try_pop(task)) {
success = true;
break;
}
}
if (!success && !_q[i].pop(task)) break;
auto result = task->playerImpl->render(task->frameNo, task->surface,
task->keepAspectRatio);
task->sender.set_value(result);
}
}
RenderTaskScheduler()
{
for (unsigned n = 0; n != _count; ++n) {
_threads.emplace_back([&, n] { run(n); });
}
}
public:
static RenderTaskScheduler &instance()
{
static RenderTaskScheduler singleton;
return singleton;
}
~RenderTaskScheduler()
{
for (auto &e : _q) e.done();
for (auto &e : _threads) e.join();
}
std::future<Surface> process(SharedRenderTask task)
{
auto receiver = std::move(task->receiver);
auto i = _index++;
for (unsigned n = 0; n != _count; ++n) {
if (_q[(i + n) % _count].try_push(std::move(task))) return receiver;
}
if (_count > 0) {
_q[i % _count].push(std::move(task));
}
return receiver;
}
};
#else
class RenderTaskScheduler {
public:
static RenderTaskScheduler &instance()
{
static RenderTaskScheduler singleton;
return singleton;
}
std::future<Surface> process(SharedRenderTask task)
{
auto result = task->playerImpl->render(task->frameNo, task->surface,
task->keepAspectRatio);
task->sender.set_value(result);
return std::move(task->receiver);
}
};
#endif
std::future<Surface> AnimationImpl::renderAsync(size_t frameNo,
Surface &&surface,
bool keepAspectRatio)
{
if (!mTask) {
mTask = std::make_shared<RenderTask>();
} else {
mTask->sender = std::promise<Surface>();
mTask->receiver = mTask->sender.get_future();
}
mTask->playerImpl = this;
mTask->frameNo = frameNo;
mTask->surface = std::move(surface);
mTask->keepAspectRatio = keepAspectRatio;
return RenderTaskScheduler::instance().process(mTask);
}
/**
* \breif Brief abput the Api.
* Description about the setFilePath Api
* @param path add the details
*/
std::unique_ptr<Animation> Animation::loadFromData(
std::string jsonData, const std::string &key,
const std::string &resourcePath, bool cachePolicy)
{
if (jsonData.empty()) {
vWarning << "jason data is empty";
return nullptr;
}
auto composition = model::loadFromData(std::move(jsonData), key,
resourcePath, cachePolicy);
if (composition) {
auto animation = std::unique_ptr<Animation>(new Animation);
animation->d->init(std::move(composition));
return animation;
}
return nullptr;
}
std::unique_ptr<Animation> Animation::loadFromData(std::string jsonData,
std::string resourcePath,
ColorFilter filter)
{
if (jsonData.empty()) {
vWarning << "jason data is empty";
return nullptr;
}
auto composition = model::loadFromData(
std::move(jsonData), std::move(resourcePath), std::move(filter));
if (composition) {
auto animation = std::unique_ptr<Animation>(new Animation);
animation->d->init(std::move(composition));
return animation;
}
return nullptr;
}
std::unique_ptr<Animation> Animation::loadFromFile(const std::string &path,
bool cachePolicy)
{
if (path.empty()) {
vWarning << "File path is empty";
return nullptr;
}
auto composition = model::loadFromFile(path, cachePolicy);
if (composition) {
auto animation = std::unique_ptr<Animation>(new Animation);
animation->d->init(std::move(composition));
return animation;
}
return nullptr;
}
void Animation::size(size_t &width, size_t &height) const
{
VSize sz = d->size();
width = sz.width();
height = sz.height();
}
double Animation::duration() const
{
return d->duration();
}
double Animation::frameRate() const
{
return d->frameRate();
}
size_t Animation::totalFrame() const
{
return d->totalFrame();
}
size_t Animation::frameAtPos(double pos)
{
return d->frameAtPos(pos);
}
const LOTLayerNode *Animation::renderTree(size_t frameNo, size_t width,
size_t height) const
{
return d->renderTree(frameNo, VSize(int(width), int(height)));
}
std::future<Surface> Animation::render(size_t frameNo, Surface surface,
bool keepAspectRatio)
{
return d->renderAsync(frameNo, std::move(surface), keepAspectRatio);
}
void Animation::renderSync(size_t frameNo, Surface surface,
bool keepAspectRatio)
{
d->render(frameNo, surface, keepAspectRatio);
}
const LayerInfoList &Animation::layers() const
{
return d->layerInfoList();
}
const MarkerList &Animation::markers() const
{
return d->markers();
}
void Animation::setValue(Color_Type, Property prop, const std::string &keypath,
Color value)
{
d->setValue(keypath,
LOTVariant(prop, [value](const FrameInfo &) { return value; }));
}
void Animation::setValue(Float_Type, Property prop, const std::string &keypath,
float value)
{
d->setValue(keypath,
LOTVariant(prop, [value](const FrameInfo &) { return value; }));
}
void Animation::setValue(Size_Type, Property prop, const std::string &keypath,
Size value)
{
d->setValue(keypath,
LOTVariant(prop, [value](const FrameInfo &) { return value; }));
}
void Animation::setValue(Point_Type, Property prop, const std::string &keypath,
Point value)
{
d->setValue(keypath,
LOTVariant(prop, [value](const FrameInfo &) { return value; }));
}
void Animation::setValue(Color_Type, Property prop, const std::string &keypath,
std::function<Color(const FrameInfo &)> &&value)
{
d->setValue(keypath, LOTVariant(prop, value));
}
void Animation::setValue(Float_Type, Property prop, const std::string &keypath,
std::function<float(const FrameInfo &)> &&value)
{
d->setValue(keypath, LOTVariant(prop, value));
}
void Animation::setValue(Size_Type, Property prop, const std::string &keypath,
std::function<Size(const FrameInfo &)> &&value)
{
d->setValue(keypath, LOTVariant(prop, value));
}
void Animation::setValue(Point_Type, Property prop, const std::string &keypath,
std::function<Point(const FrameInfo &)> &&value)
{
d->setValue(keypath, LOTVariant(prop, value));
}
Animation::~Animation() = default;
Animation::Animation() : d(std::make_unique<AnimationImpl>()) {}
Surface::Surface(uint32_t *buffer, size_t width, size_t height,
size_t bytesPerLine)
: mBuffer(buffer),
mWidth(width),
mHeight(height),
mBytesPerLine(bytesPerLine)
{
mDrawArea.w = mWidth;
mDrawArea.h = mHeight;
}
void Surface::setDrawRegion(size_t x, size_t y, size_t width, size_t height)
{
if ((x + width > mWidth) || (y + height > mHeight)) return;
mDrawArea.x = x;
mDrawArea.y = y;
mDrawArea.w = width;
mDrawArea.h = height;
}
#ifdef LOTTIE_LOGGING_SUPPORT
void initLogging()
{
#if defined(USE_ARM_NEON)
set_log_level(LogLevel::OFF);
#else
initialize(GuaranteedLogger(), "/tmp/", "rlottie", 1);
set_log_level(LogLevel::INFO);
#endif
}
V_CONSTRUCTOR_FUNCTION(initLogging)
#endif

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef LOTTIEFILTERMODEL_H
#define LOTTIEFILTERMODEL_H
#include <algorithm>
#include <bitset>
#include <cassert>
#include "lottie_lottiemodel.h"
#include "rlottie.h"
using namespace rlottie::internal;
// Naive way to implement std::variant
// refactor it when we move to c++17
// users should make sure proper combination
// of id and value are passed while creating the object.
class LOTVariant {
public:
using ValueFunc = std::function<float(const rlottie::FrameInfo&)>;
using ColorFunc = std::function<rlottie::Color(const rlottie::FrameInfo&)>;
using PointFunc = std::function<rlottie::Point(const rlottie::FrameInfo&)>;
using SizeFunc = std::function<rlottie::Size(const rlottie::FrameInfo&)>;
LOTVariant(rlottie::Property prop, const ValueFunc& v)
: mPropery(prop), mTag(Value)
{
construct(impl.valueFunc, v);
}
LOTVariant(rlottie::Property prop, ValueFunc&& v)
: mPropery(prop), mTag(Value)
{
moveConstruct(impl.valueFunc, std::move(v));
}
LOTVariant(rlottie::Property prop, const ColorFunc& v)
: mPropery(prop), mTag(Color)
{
construct(impl.colorFunc, v);
}
LOTVariant(rlottie::Property prop, ColorFunc&& v)
: mPropery(prop), mTag(Color)
{
moveConstruct(impl.colorFunc, std::move(v));
}
LOTVariant(rlottie::Property prop, const PointFunc& v)
: mPropery(prop), mTag(Point)
{
construct(impl.pointFunc, v);
}
LOTVariant(rlottie::Property prop, PointFunc&& v)
: mPropery(prop), mTag(Point)
{
moveConstruct(impl.pointFunc, std::move(v));
}
LOTVariant(rlottie::Property prop, const SizeFunc& v)
: mPropery(prop), mTag(Size)
{
construct(impl.sizeFunc, v);
}
LOTVariant(rlottie::Property prop, SizeFunc&& v)
: mPropery(prop), mTag(Size)
{
moveConstruct(impl.sizeFunc, std::move(v));
}
rlottie::Property property() const { return mPropery; }
const ColorFunc& color() const
{
assert(mTag == Color);
return impl.colorFunc;
}
const ValueFunc& value() const
{
assert(mTag == Value);
return impl.valueFunc;
}
const PointFunc& point() const
{
assert(mTag == Point);
return impl.pointFunc;
}
const SizeFunc& size() const
{
assert(mTag == Size);
return impl.sizeFunc;
}
LOTVariant() = default;
~LOTVariant() noexcept { Destroy(); }
LOTVariant(const LOTVariant& other) { Copy(other); }
LOTVariant(LOTVariant&& other) noexcept { Move(std::move(other)); }
LOTVariant& operator=(LOTVariant&& other)
{
Destroy();
Move(std::move(other));
return *this;
}
LOTVariant& operator=(const LOTVariant& other)
{
Destroy();
Copy(other);
return *this;
}
private:
template <typename T>
void construct(T& member, const T& val)
{
new (&member) T(val);
}
template <typename T>
void moveConstruct(T& member, T&& val)
{
new (&member) T(std::move(val));
}
void Move(LOTVariant&& other)
{
switch (other.mTag) {
case Type::Value:
moveConstruct(impl.valueFunc, std::move(other.impl.valueFunc));
break;
case Type::Color:
moveConstruct(impl.colorFunc, std::move(other.impl.colorFunc));
break;
case Type::Point:
moveConstruct(impl.pointFunc, std::move(other.impl.pointFunc));
break;
case Type::Size:
moveConstruct(impl.sizeFunc, std::move(other.impl.sizeFunc));
break;
default:
break;
}
mTag = other.mTag;
mPropery = other.mPropery;
other.mTag = MonoState;
}
void Copy(const LOTVariant& other)
{
switch (other.mTag) {
case Type::Value:
construct(impl.valueFunc, other.impl.valueFunc);
break;
case Type::Color:
construct(impl.colorFunc, other.impl.colorFunc);
break;
case Type::Point:
construct(impl.pointFunc, other.impl.pointFunc);
break;
case Type::Size:
construct(impl.sizeFunc, other.impl.sizeFunc);
break;
default:
break;
}
mTag = other.mTag;
mPropery = other.mPropery;
}
void Destroy()
{
switch (mTag) {
case MonoState: {
break;
}
case Value: {
impl.valueFunc.~ValueFunc();
break;
}
case Color: {
impl.colorFunc.~ColorFunc();
break;
}
case Point: {
impl.pointFunc.~PointFunc();
break;
}
case Size: {
impl.sizeFunc.~SizeFunc();
break;
}
}
}
enum Type { MonoState, Value, Color, Point, Size };
rlottie::Property mPropery;
Type mTag{MonoState};
union details {
ColorFunc colorFunc;
ValueFunc valueFunc;
PointFunc pointFunc;
SizeFunc sizeFunc;
details() {}
~details() noexcept {}
} impl;
};
namespace rlottie {
namespace internal {
namespace model {
class FilterData {
public:
void addValue(LOTVariant& value)
{
uint index = static_cast<uint>(value.property());
if (mBitset.test(index)) {
std::replace_if(mFilters.begin(), mFilters.end(),
[&value](const LOTVariant& e) {
return e.property() == value.property();
},
value);
} else {
mBitset.set(index);
mFilters.push_back(value);
}
}
void removeValue(LOTVariant& value)
{
uint index = static_cast<uint>(value.property());
if (mBitset.test(index)) {
mBitset.reset(index);
mFilters.erase(std::remove_if(mFilters.begin(), mFilters.end(),
[&value](const LOTVariant& e) {
return e.property() ==
value.property();
}),
mFilters.end());
}
}
bool hasFilter(rlottie::Property prop) const
{
return mBitset.test(static_cast<uint>(prop));
}
model::Color color(rlottie::Property prop, int frame) const
{
rlottie::FrameInfo info(frame);
rlottie::Color col = data(prop).color()(info);
return model::Color(col.r(), col.g(), col.b());
}
VPointF point(rlottie::Property prop, int frame) const
{
rlottie::FrameInfo info(frame);
rlottie::Point pt = data(prop).point()(info);
return VPointF(pt.x(), pt.y());
}
VSize scale(rlottie::Property prop, int frame) const
{
rlottie::FrameInfo info(frame);
rlottie::Size sz = data(prop).size()(info);
return VSize(sz.w(), sz.h());
}
float opacity(rlottie::Property prop, int frame) const
{
rlottie::FrameInfo info(frame);
float val = data(prop).value()(info);
return val / 100;
}
float value(rlottie::Property prop, int frame) const
{
rlottie::FrameInfo info(frame);
return data(prop).value()(info);
}
private:
const LOTVariant& data(rlottie::Property prop) const
{
auto result = std::find_if(
mFilters.begin(), mFilters.end(),
[prop](const LOTVariant& e) { return e.property() == prop; });
return *result;
}
std::bitset<32> mBitset{0};
std::vector<LOTVariant> mFilters;
};
template <typename T>
struct FilterBase
{
FilterBase(T *model): model_(model){}
const char* name() const { return model_->name(); }
FilterData* filter() {
if (!filterData_) filterData_ = std::make_unique<FilterData>();
return filterData_.get();
}
const FilterData * filter() const { return filterData_.get(); }
const T* model() const { return model_;}
bool hasFilter(rlottie::Property prop) const {
return filterData_ ? filterData_->hasFilter(prop)
: false;
}
T* model_{nullptr};
std::unique_ptr<FilterData> filterData_{nullptr};
};
template <typename T>
class Filter : public FilterBase<T> {
public:
Filter(T* model): FilterBase<T>(model){}
model::Color color(int frame) const
{
if (this->hasFilter(rlottie::Property::StrokeColor)) {
return this->filter()->color(rlottie::Property::StrokeColor, frame);
}
return this->model()->color(frame);
}
float opacity(int frame) const
{
if (this->hasFilter(rlottie::Property::StrokeOpacity)) {
return this->filter()->opacity(rlottie::Property::StrokeOpacity, frame);
}
return this->model()->opacity(frame);
}
float strokeWidth(int frame) const
{
if (this->hasFilter(rlottie::Property::StrokeWidth)) {
return this->filter()->value(rlottie::Property::StrokeWidth, frame);
}
return this->model()->strokeWidth(frame);
}
float miterLimit() const { return this->model()->miterLimit(); }
CapStyle capStyle() const { return this->model()->capStyle(); }
JoinStyle joinStyle() const { return this->model()->joinStyle(); }
bool hasDashInfo() const { return this->model()->hasDashInfo(); }
void getDashInfo(int frameNo, std::vector<float>& result) const
{
return this->model()->getDashInfo(frameNo, result);
}
};
template <>
class Filter<model::Fill>: public FilterBase<model::Fill>
{
public:
Filter(model::Fill* model) : FilterBase<model::Fill>(model) {}
model::Color color(int frame) const
{
if (this->hasFilter(rlottie::Property::FillColor)) {
return this->filter()->color(rlottie::Property::FillColor, frame);
}
return this->model()->color(frame);
}
float opacity(int frame) const
{
if (this->hasFilter(rlottie::Property::FillOpacity)) {
return this->filter()->opacity(rlottie::Property::FillOpacity, frame);
}
return this->model()->opacity(frame);
}
FillRule fillRule() const { return this->model()->fillRule(); }
};
template <>
class Filter<model::Group> : public FilterBase<model::Group>
{
public:
Filter(model::Group* model = nullptr) : FilterBase<model::Group>(model) {}
bool hasModel() const { return this->model() ? true : false; }
model::Transform* transform() const { return this->model() ? this->model()->mTransform : nullptr; }
VMatrix matrix(int frame) const
{
VMatrix mS, mR, mT;
if (this->hasFilter(rlottie::Property::TrScale)) {
VSize s = this->filter()->scale(rlottie::Property::TrScale, frame);
mS.scale(s.width() / 100.0, s.height() / 100.0);
}
if (this->hasFilter(rlottie::Property::TrRotation)) {
mR.rotate(this->filter()->value(rlottie::Property::TrRotation, frame));
}
if (this->hasFilter(rlottie::Property::TrPosition)) {
mT.translate(this->filter()->point(rlottie::Property::TrPosition, frame));
}
return this->model()->mTransform->matrix(frame) * mS * mR * mT;
}
};
} // namespace model
} // namespace internal
} // namespace rlottie
#endif // LOTTIEFILTERMODEL_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef LOTTIEITEM_H
#define LOTTIEITEM_H
#include <memory>
#include <sstream>
#include "lottie_lottiekeypath.h"
#include "lottie_lottiefiltermodel.h"
#include "rlottie.h"
#include "rlottiecommon.h"
#include "vector_varenaalloc.h"
#include "vector_vdrawable.h"
#include "vector_vmatrix.h"
#include "vector_vpainter.h"
#include "vector_vpath.h"
#include "vector_vpathmesure.h"
#include "vector_vpoint.h"
V_USE_NAMESPACE
namespace rlottie {
namespace internal {
template <class T>
class VSpan {
public:
using reference = T &;
using pointer = T *;
using const_pointer = T const *;
using const_reference = T const &;
using index_type = size_t;
using iterator = pointer;
using const_iterator = const_pointer;
VSpan() = default;
VSpan(pointer data, index_type size) : _data(data), _size(size) {}
constexpr pointer data() const noexcept { return _data; }
constexpr index_type size() const noexcept { return _size; }
constexpr bool empty() const noexcept { return size() == 0; }
constexpr iterator begin() const noexcept { return data(); }
constexpr iterator end() const noexcept { return data() + size(); }
constexpr const_iterator cbegin() const noexcept { return data(); }
constexpr const_iterator cend() const noexcept { return data() + size(); }
constexpr reference operator[](index_type idx) const
{
return *(data() + idx);
}
private:
pointer _data{nullptr};
index_type _size{0};
};
namespace renderer {
using DrawableList = VSpan<VDrawable *>;
enum class DirtyFlagBit : uchar {
None = 0x00,
Matrix = 0x01,
Alpha = 0x02,
All = (Matrix | Alpha)
};
typedef vFlag<DirtyFlagBit> DirtyFlag;
class SurfaceCache {
public:
SurfaceCache() { mCache.reserve(10); }
VBitmap make_surface(
size_t width, size_t height,
VBitmap::Format format = VBitmap::Format::ARGB32_Premultiplied)
{
if (mCache.empty()) return {width, height, format};
auto surface = mCache.back();
surface.reset(width, height, format);
mCache.pop_back();
return surface;
}
void release_surface(VBitmap &surface) { mCache.push_back(surface); }
private:
std::vector<VBitmap> mCache;
};
class Drawable final : public VDrawable {
public:
void sync();
public:
std::unique_ptr<LOTNode> mCNode{nullptr};
~Drawable() noexcept
{
if (mCNode && mCNode->mGradient.stopPtr)
free(mCNode->mGradient.stopPtr);
}
};
struct CApiData {
CApiData();
LOTLayerNode mLayer;
std::vector<LOTMask> mMasks;
std::vector<LOTLayerNode *> mLayers;
std::vector<LOTNode *> mCNodeList;
};
class Clipper {
public:
explicit Clipper(VSize size) : mSize(size) {}
void update(const VMatrix &matrix);
void preprocess(const VRect &clip);
VRle rle(const VRle &mask);
public:
VSize mSize;
VPath mPath;
VRle mMaskedRle;
VRasterizer mRasterizer;
bool mRasterRequest{false};
};
class Mask {
public:
explicit Mask(model::Mask *data) : mData(data) {}
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha,
const DirtyFlag &flag);
model::Mask::Mode maskMode() const { return mData->mMode; }
VRle rle();
void preprocess(const VRect &clip);
bool inverted() const { return mData->mInv; }
public:
model::Mask *mData{nullptr};
VPath mLocalPath;
VPath mFinalPath;
VRasterizer mRasterizer;
float mCombinedAlpha{0};
bool mRasterRequest{false};
};
/*
* Handels mask property of a layer item
*/
class LayerMask {
public:
explicit LayerMask(model::Layer *layerData);
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha,
const DirtyFlag &flag);
bool isStatic() const { return mStatic; }
VRle maskRle(const VRect &clipRect);
void preprocess(const VRect &clip);
public:
std::vector<Mask> mMasks;
VRle mRle;
bool mStatic{true};
bool mDirty{true};
};
class Layer;
class Composition {
public:
explicit Composition(std::shared_ptr<model::Composition> composition);
bool update(int frameNo, const VSize &size, bool keepAspectRatio);
VSize size() const { return mViewSize; }
void buildRenderTree();
const LOTLayerNode *renderTree() const;
bool render(const rlottie::Surface &surface);
void setValue(const std::string &keypath, LOTVariant &value);
private:
SurfaceCache mSurfaceCache;
VBitmap mSurface;
VMatrix mScaleMatrix;
VSize mViewSize;
std::shared_ptr<model::Composition> mModel;
Layer * mRootLayer{nullptr};
VArenaAlloc mAllocator{2048};
int mCurFrameNo;
bool mKeepAspectRatio{true};
};
class Layer {
public:
virtual ~Layer() = default;
Layer &operator=(Layer &&) noexcept = delete;
Layer(model::Layer *layerData);
int id() const { return mLayerData->id(); }
int parentId() const { return mLayerData->parentId(); }
void setParentLayer(Layer *parent) { mParentLayer = parent; }
void setComplexContent(bool value) { mComplexContent = value; }
bool complexContent() const { return mComplexContent; }
virtual void update(int frameNo, const VMatrix &parentMatrix,
float parentAlpha);
VMatrix matrix(int frameNo) const;
void preprocess(const VRect &clip);
virtual DrawableList renderList() { return {}; }
virtual void render(VPainter *painter, const VRle &mask,
const VRle &matteRle, SurfaceCache &cache);
bool hasMatte()
{
if (mLayerData->mMatteType == model::MatteType::None) return false;
return true;
}
model::MatteType matteType() const { return mLayerData->mMatteType; }
bool visible() const;
virtual void buildLayerNode();
LOTLayerNode & clayer() { return mCApiData->mLayer; }
std::vector<LOTLayerNode *> &clayers() { return mCApiData->mLayers; }
std::vector<LOTMask> & cmasks() { return mCApiData->mMasks; }
std::vector<LOTNode *> & cnodes() { return mCApiData->mCNodeList; }
const char * name() const { return mLayerData->name(); }
virtual bool resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value);
protected:
virtual void preprocessStage(const VRect &clip) = 0;
virtual void updateContent() = 0;
inline VMatrix combinedMatrix() const { return mCombinedMatrix; }
inline int frameNo() const { return mFrameNo; }
inline float combinedAlpha() const { return mCombinedAlpha; }
inline bool isStatic() const { return mLayerData->isStatic(); }
float opacity(int frameNo) const { return mLayerData->opacity(frameNo); }
inline DirtyFlag flag() const { return mDirtyFlag; }
bool skipRendering() const
{
return (!visible() || vIsZero(combinedAlpha()));
}
protected:
std::unique_ptr<LayerMask> mLayerMask;
model::Layer * mLayerData{nullptr};
Layer * mParentLayer{nullptr};
VMatrix mCombinedMatrix;
float mCombinedAlpha{0.0};
int mFrameNo{-1};
DirtyFlag mDirtyFlag{DirtyFlagBit::All};
bool mComplexContent{false};
std::unique_ptr<CApiData> mCApiData;
};
class CompLayer final : public Layer {
public:
explicit CompLayer(model::Layer *layerData, VArenaAlloc *allocator);
void render(VPainter *painter, const VRle &mask, const VRle &matteRle,
SurfaceCache &cache) final;
void buildLayerNode() final;
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value) override;
protected:
void preprocessStage(const VRect &clip) final;
void updateContent() final;
private:
void renderHelper(VPainter *painter, const VRle &mask, const VRle &matteRle,
SurfaceCache &cache);
void renderMatteLayer(VPainter *painter, const VRle &inheritMask,
const VRle &matteRle, Layer *layer, Layer *src,
SurfaceCache &cache);
private:
std::vector<Layer *> mLayers;
std::unique_ptr<Clipper> mClipper;
};
class SolidLayer final : public Layer {
public:
explicit SolidLayer(model::Layer *layerData);
void buildLayerNode() final;
DrawableList renderList() final;
protected:
void preprocessStage(const VRect &clip) final;
void updateContent() final;
private:
Drawable mRenderNode;
VPath mPath;
VDrawable *mDrawableList{nullptr}; // to work with the Span api
};
class Group;
class ShapeLayer final : public Layer {
public:
explicit ShapeLayer(model::Layer *layerData, VArenaAlloc *allocator);
DrawableList renderList() final;
void buildLayerNode() final;
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value) override;
protected:
void preprocessStage(const VRect &clip) final;
void updateContent() final;
std::vector<VDrawable *> mDrawableList;
Group * mRoot{nullptr};
};
class NullLayer final : public Layer {
public:
explicit NullLayer(model::Layer *layerData);
protected:
void preprocessStage(const VRect &) final {}
void updateContent() final;
};
class ImageLayer final : public Layer {
public:
explicit ImageLayer(model::Layer *layerData);
void buildLayerNode() final;
DrawableList renderList() final;
protected:
void preprocessStage(const VRect &clip) final;
void updateContent() final;
private:
Drawable mRenderNode;
VTexture mTexture;
VPath mPath;
VDrawable *mDrawableList{nullptr}; // to work with the Span api
};
class Object {
public:
enum class Type : uchar { Unknown, Group, Shape, Paint, Trim };
virtual ~Object() = default;
Object & operator=(Object &&) noexcept = delete;
virtual void update(int frameNo, const VMatrix &parentMatrix,
float parentAlpha, const DirtyFlag &flag) = 0;
virtual void renderList(std::vector<VDrawable *> &) {}
virtual bool resolveKeyPath(LOTKeyPath &, uint, LOTVariant &)
{
return false;
}
virtual Object::Type type() const { return Object::Type::Unknown; }
};
class Shape;
class Group : public Object {
public:
Group() = default;
explicit Group(model::Group *data, VArenaAlloc *allocator);
void addChildren(model::Group *data, VArenaAlloc *allocator);
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha,
const DirtyFlag &flag) override;
void applyTrim();
void processTrimItems(std::vector<Shape *> &list);
void processPaintItems(std::vector<Shape *> &list);
void renderList(std::vector<VDrawable *> &list) override;
Object::Type type() const final { return Object::Type::Group; }
const VMatrix &matrix() const { return mMatrix; }
const char * name() const
{
static const char *TAG = "__";
return mModel.hasModel() ? mModel.name() : TAG;
}
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value) override;
protected:
std::vector<Object *> mContents;
VMatrix mMatrix;
private:
model::Filter<model::Group> mModel;
};
class Shape : public Object {
public:
Shape(bool staticPath) : mStaticPath(staticPath) {}
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha,
const DirtyFlag &flag) final;
Object::Type type() const final { return Object::Type::Shape; }
bool dirty() const { return mDirtyPath; }
const VPath &localPath() const { return mTemp; }
void finalPath(VPath &result);
void updatePath(const VPath &path)
{
mTemp = path;
mDirtyPath = true;
}
bool staticPath() const { return mStaticPath; }
void setParent(Group *parent) { mParent = parent; }
Group *parent() const { return mParent; }
protected:
virtual void updatePath(VPath &path, int frameNo) = 0;
virtual bool hasChanged(int prevFrame, int curFrame) = 0;
private:
bool hasChanged(int frameNo)
{
int prevFrame = mFrameNo;
mFrameNo = frameNo;
if (prevFrame == -1) return true;
if (mStaticPath || (prevFrame == frameNo)) return false;
return hasChanged(prevFrame, frameNo);
}
Group *mParent{nullptr};
VPath mLocalPath;
VPath mTemp;
int mFrameNo{-1};
bool mDirtyPath{true};
bool mStaticPath;
};
class Rect final : public Shape {
public:
explicit Rect(model::Rect *data);
protected:
void updatePath(VPath &path, int frameNo) final;
model::Rect *mData{nullptr};
bool hasChanged(int prevFrame, int curFrame) final
{
return (mData->mPos.changed(prevFrame, curFrame) ||
mData->mSize.changed(prevFrame, curFrame) ||
mData->roundnessChanged(prevFrame, curFrame));
}
};
class Ellipse final : public Shape {
public:
explicit Ellipse(model::Ellipse *data);
private:
void updatePath(VPath &path, int frameNo) final;
model::Ellipse *mData{nullptr};
bool hasChanged(int prevFrame, int curFrame) final
{
return (mData->mPos.changed(prevFrame, curFrame) ||
mData->mSize.changed(prevFrame, curFrame));
}
};
class Path final : public Shape {
public:
explicit Path(model::Path *data);
private:
void updatePath(VPath &path, int frameNo) final;
model::Path *mData{nullptr};
bool hasChanged(int prevFrame, int curFrame) final
{
return mData->mShape.changed(prevFrame, curFrame);
}
};
class Polystar final : public Shape {
public:
explicit Polystar(model::Polystar *data);
private:
void updatePath(VPath &path, int frameNo) final;
model::Polystar *mData{nullptr};
bool hasChanged(int prevFrame, int curFrame) final
{
return (mData->mPos.changed(prevFrame, curFrame) ||
mData->mPointCount.changed(prevFrame, curFrame) ||
mData->mInnerRadius.changed(prevFrame, curFrame) ||
mData->mOuterRadius.changed(prevFrame, curFrame) ||
mData->mInnerRoundness.changed(prevFrame, curFrame) ||
mData->mOuterRoundness.changed(prevFrame, curFrame) ||
mData->mRotation.changed(prevFrame, curFrame));
}
};
class Paint : public Object {
public:
Paint(bool staticContent);
void addPathItems(std::vector<Shape *> &list, size_t startOffset);
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha,
const DirtyFlag &flag) override;
void renderList(std::vector<VDrawable *> &list) final;
Object::Type type() const final { return Object::Type::Paint; }
protected:
virtual bool updateContent(int frameNo, const VMatrix &matrix,
float alpha) = 0;
private:
void updateRenderNode();
protected:
std::vector<Shape *> mPathItems;
Drawable mDrawable;
VPath mPath;
DirtyFlag mFlag;
bool mStaticContent;
bool mRenderNodeUpdate{true};
bool mContentToRender{true};
};
class Fill final : public Paint {
public:
explicit Fill(model::Fill *data);
protected:
bool updateContent(int frameNo, const VMatrix &matrix, float alpha) final;
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value) final;
private:
model::Filter<model::Fill> mModel;
};
class GradientFill final : public Paint {
public:
explicit GradientFill(model::GradientFill *data);
protected:
bool updateContent(int frameNo, const VMatrix &matrix, float alpha) final;
private:
model::GradientFill * mData{nullptr};
std::unique_ptr<VGradient> mGradient;
};
class Stroke : public Paint {
public:
explicit Stroke(model::Stroke *data);
protected:
bool updateContent(int frameNo, const VMatrix &matrix, float alpha) final;
bool resolveKeyPath(LOTKeyPath &keyPath, uint depth,
LOTVariant &value) final;
private:
model::Filter<model::Stroke> mModel;
};
class GradientStroke final : public Paint {
public:
explicit GradientStroke(model::GradientStroke *data);
protected:
bool updateContent(int frameNo, const VMatrix &matrix, float alpha) final;
private:
model::GradientStroke * mData{nullptr};
std::unique_ptr<VGradient> mGradient;
};
class Trim final : public Object {
public:
explicit Trim(model::Trim *data) : mData(data) {}
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha,
const DirtyFlag &flag) final;
Object::Type type() const final { return Object::Type::Trim; }
void update();
void addPathItems(std::vector<Shape *> &list, size_t startOffset);
private:
bool pathDirty() const
{
for (auto &i : mPathItems) {
if (i->dirty()) return true;
}
return false;
}
struct Cache {
int mFrameNo{-1};
model::Trim::Segment mSegment{};
};
Cache mCache;
std::vector<Shape *> mPathItems;
model::Trim * mData{nullptr};
VPathMesure mPathMesure;
bool mDirty{true};
};
class Repeater final : public Group {
public:
explicit Repeater(model::Repeater *data, VArenaAlloc *allocator);
void update(int frameNo, const VMatrix &parentMatrix, float parentAlpha,
const DirtyFlag &flag) final;
void renderList(std::vector<VDrawable *> &list) final;
private:
model::Repeater *mRepeaterData{nullptr};
bool mHidden{false};
int mCopies{0};
};
} // namespace renderer
} // namespace internal
} // namespace rlottie
#endif // LOTTIEITEM_H

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vendor/github.com/Benau/go_rlottie/lottie_lottieitem_capi.cpp generated vendored Normal file
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/*
* Implements LottieItem functions needed
* to support renderTree() api.
* Moving all those implementation to its own
* file make clear separation as well easy of
* maintenance.
*/
#include "lottie_lottieitem.h"
#include "vector_vdasher.h"
using namespace rlottie::internal;
renderer::CApiData::CApiData()
{
mLayer.mMaskList.ptr = nullptr;
mLayer.mMaskList.size = 0;
mLayer.mLayerList.ptr = nullptr;
mLayer.mLayerList.size = 0;
mLayer.mNodeList.ptr = nullptr;
mLayer.mNodeList.size = 0;
mLayer.mMatte = MatteNone;
mLayer.mVisible = 0;
mLayer.mAlpha = 255;
mLayer.mClipPath.ptPtr = nullptr;
mLayer.mClipPath.elmPtr = nullptr;
mLayer.mClipPath.ptCount = 0;
mLayer.mClipPath.elmCount = 0;
mLayer.keypath = nullptr;
}
void renderer::Composition::buildRenderTree()
{
mRootLayer->buildLayerNode();
}
const LOTLayerNode *renderer::Composition::renderTree() const
{
return &mRootLayer->clayer();
}
void renderer::CompLayer::buildLayerNode()
{
renderer::Layer::buildLayerNode();
if (mClipper) {
const auto &elm = mClipper->mPath.elements();
const auto &pts = mClipper->mPath.points();
auto ptPtr = reinterpret_cast<const float *>(pts.data());
auto elmPtr = reinterpret_cast<const char *>(elm.data());
clayer().mClipPath.ptPtr = ptPtr;
clayer().mClipPath.elmPtr = elmPtr;
clayer().mClipPath.ptCount = 2 * pts.size();
clayer().mClipPath.elmCount = elm.size();
}
if (mLayers.size() != clayers().size()) {
for (const auto &layer : mLayers) {
layer->buildLayerNode();
clayers().push_back(&layer->clayer());
}
clayer().mLayerList.ptr = clayers().data();
clayer().mLayerList.size = clayers().size();
} else {
for (const auto &layer : mLayers) {
layer->buildLayerNode();
}
}
}
void renderer::ShapeLayer::buildLayerNode()
{
renderer::Layer::buildLayerNode();
auto renderlist = renderList();
cnodes().clear();
for (auto &i : renderlist) {
auto lotDrawable = static_cast<renderer::Drawable *>(i);
lotDrawable->sync();
cnodes().push_back(lotDrawable->mCNode.get());
}
clayer().mNodeList.ptr = cnodes().data();
clayer().mNodeList.size = cnodes().size();
}
void renderer::Layer::buildLayerNode()
{
if (!mCApiData) {
mCApiData = std::make_unique<renderer::CApiData>();
clayer().keypath = name();
}
if (complexContent()) clayer().mAlpha = uchar(combinedAlpha() * 255.f);
clayer().mVisible = visible();
// update matte
if (hasMatte()) {
switch (mLayerData->mMatteType) {
case model::MatteType::Alpha:
clayer().mMatte = MatteAlpha;
break;
case model::MatteType::AlphaInv:
clayer().mMatte = MatteAlphaInv;
break;
case model::MatteType::Luma:
clayer().mMatte = MatteLuma;
break;
case model::MatteType::LumaInv:
clayer().mMatte = MatteLumaInv;
break;
default:
clayer().mMatte = MatteNone;
break;
}
}
if (mLayerMask) {
cmasks().clear();
cmasks().resize(mLayerMask->mMasks.size());
size_t i = 0;
for (const auto &mask : mLayerMask->mMasks) {
auto & cNode = cmasks()[i++];
const auto &elm = mask.mFinalPath.elements();
const auto &pts = mask.mFinalPath.points();
auto ptPtr = reinterpret_cast<const float *>(pts.data());
auto elmPtr = reinterpret_cast<const char *>(elm.data());
cNode.mPath.ptPtr = ptPtr;
cNode.mPath.ptCount = 2 * pts.size();
cNode.mPath.elmPtr = elmPtr;
cNode.mPath.elmCount = elm.size();
cNode.mAlpha = uchar(mask.mCombinedAlpha * 255.0f);
switch (mask.maskMode()) {
case model::Mask::Mode::Add:
cNode.mMode = MaskAdd;
break;
case model::Mask::Mode::Substarct:
cNode.mMode = MaskSubstract;
break;
case model::Mask::Mode::Intersect:
cNode.mMode = MaskIntersect;
break;
case model::Mask::Mode::Difference:
cNode.mMode = MaskDifference;
break;
default:
cNode.mMode = MaskAdd;
break;
}
}
clayer().mMaskList.ptr = cmasks().data();
clayer().mMaskList.size = cmasks().size();
}
}
void renderer::SolidLayer::buildLayerNode()
{
renderer::Layer::buildLayerNode();
auto renderlist = renderList();
cnodes().clear();
for (auto &i : renderlist) {
auto lotDrawable = static_cast<renderer::Drawable *>(i);
lotDrawable->sync();
cnodes().push_back(lotDrawable->mCNode.get());
}
clayer().mNodeList.ptr = cnodes().data();
clayer().mNodeList.size = cnodes().size();
}
void renderer::ImageLayer::buildLayerNode()
{
renderer::Layer::buildLayerNode();
auto renderlist = renderList();
cnodes().clear();
for (auto &i : renderlist) {
auto lotDrawable = static_cast<renderer::Drawable *>(i);
lotDrawable->sync();
lotDrawable->mCNode->mImageInfo.data =
lotDrawable->mBrush.mTexture->mBitmap.data();
lotDrawable->mCNode->mImageInfo.width =
int(lotDrawable->mBrush.mTexture->mBitmap.width());
lotDrawable->mCNode->mImageInfo.height =
int(lotDrawable->mBrush.mTexture->mBitmap.height());
lotDrawable->mCNode->mImageInfo.mMatrix.m11 = combinedMatrix().m_11();
lotDrawable->mCNode->mImageInfo.mMatrix.m12 = combinedMatrix().m_12();
lotDrawable->mCNode->mImageInfo.mMatrix.m13 = combinedMatrix().m_13();
lotDrawable->mCNode->mImageInfo.mMatrix.m21 = combinedMatrix().m_21();
lotDrawable->mCNode->mImageInfo.mMatrix.m22 = combinedMatrix().m_22();
lotDrawable->mCNode->mImageInfo.mMatrix.m23 = combinedMatrix().m_23();
lotDrawable->mCNode->mImageInfo.mMatrix.m31 = combinedMatrix().m_tx();
lotDrawable->mCNode->mImageInfo.mMatrix.m32 = combinedMatrix().m_ty();
lotDrawable->mCNode->mImageInfo.mMatrix.m33 = combinedMatrix().m_33();
// Alpha calculation already combined.
lotDrawable->mCNode->mImageInfo.mAlpha =
uchar(lotDrawable->mBrush.mTexture->mAlpha);
cnodes().push_back(lotDrawable->mCNode.get());
}
clayer().mNodeList.ptr = cnodes().data();
clayer().mNodeList.size = cnodes().size();
}
static void updateGStops(LOTNode *n, const VGradient *grad)
{
if (grad->mStops.size() != n->mGradient.stopCount) {
if (n->mGradient.stopCount) free(n->mGradient.stopPtr);
n->mGradient.stopCount = grad->mStops.size();
n->mGradient.stopPtr = (LOTGradientStop *)malloc(
n->mGradient.stopCount * sizeof(LOTGradientStop));
}
LOTGradientStop *ptr = n->mGradient.stopPtr;
for (const auto &i : grad->mStops) {
ptr->pos = i.first;
ptr->a = uchar(i.second.alpha() * grad->alpha());
ptr->r = i.second.red();
ptr->g = i.second.green();
ptr->b = i.second.blue();
ptr++;
}
}
void renderer::Drawable::sync()
{
if (!mCNode) {
mCNode = std::make_unique<LOTNode>();
mCNode->mGradient.stopPtr = nullptr;
mCNode->mGradient.stopCount = 0;
}
mCNode->mFlag = ChangeFlagNone;
if (mFlag & DirtyState::None) return;
if (mFlag & DirtyState::Path) {
applyDashOp();
const std::vector<VPath::Element> &elm = mPath.elements();
const std::vector<VPointF> & pts = mPath.points();
const float *ptPtr = reinterpret_cast<const float *>(pts.data());
const char * elmPtr = reinterpret_cast<const char *>(elm.data());
mCNode->mPath.elmPtr = elmPtr;
mCNode->mPath.elmCount = elm.size();
mCNode->mPath.ptPtr = ptPtr;
mCNode->mPath.ptCount = 2 * pts.size();
mCNode->mFlag |= ChangeFlagPath;
mCNode->keypath = name();
}
if (mStrokeInfo) {
mCNode->mStroke.width = mStrokeInfo->width;
mCNode->mStroke.miterLimit = mStrokeInfo->miterLimit;
mCNode->mStroke.enable = 1;
switch (mStrokeInfo->cap) {
case CapStyle::Flat:
mCNode->mStroke.cap = LOTCapStyle::CapFlat;
break;
case CapStyle::Square:
mCNode->mStroke.cap = LOTCapStyle::CapSquare;
break;
case CapStyle::Round:
mCNode->mStroke.cap = LOTCapStyle::CapRound;
break;
}
switch (mStrokeInfo->join) {
case JoinStyle::Miter:
mCNode->mStroke.join = LOTJoinStyle::JoinMiter;
break;
case JoinStyle::Bevel:
mCNode->mStroke.join = LOTJoinStyle::JoinBevel;
break;
case JoinStyle::Round:
mCNode->mStroke.join = LOTJoinStyle::JoinRound;
break;
default:
mCNode->mStroke.join = LOTJoinStyle::JoinMiter;
break;
}
} else {
mCNode->mStroke.enable = 0;
}
switch (mFillRule) {
case FillRule::EvenOdd:
mCNode->mFillRule = LOTFillRule::FillEvenOdd;
break;
default:
mCNode->mFillRule = LOTFillRule::FillWinding;
break;
}
switch (mBrush.type()) {
case VBrush::Type::Solid:
mCNode->mBrushType = LOTBrushType::BrushSolid;
mCNode->mColor.r = mBrush.mColor.r;
mCNode->mColor.g = mBrush.mColor.g;
mCNode->mColor.b = mBrush.mColor.b;
mCNode->mColor.a = mBrush.mColor.a;
break;
case VBrush::Type::LinearGradient: {
mCNode->mBrushType = LOTBrushType::BrushGradient;
mCNode->mGradient.type = LOTGradientType::GradientLinear;
VPointF s = mBrush.mGradient->mMatrix.map(
{mBrush.mGradient->linear.x1, mBrush.mGradient->linear.y1});
VPointF e = mBrush.mGradient->mMatrix.map(
{mBrush.mGradient->linear.x2, mBrush.mGradient->linear.y2});
mCNode->mGradient.start.x = s.x();
mCNode->mGradient.start.y = s.y();
mCNode->mGradient.end.x = e.x();
mCNode->mGradient.end.y = e.y();
updateGStops(mCNode.get(), mBrush.mGradient);
break;
}
case VBrush::Type::RadialGradient: {
mCNode->mBrushType = LOTBrushType::BrushGradient;
mCNode->mGradient.type = LOTGradientType::GradientRadial;
VPointF c = mBrush.mGradient->mMatrix.map(
{mBrush.mGradient->radial.cx, mBrush.mGradient->radial.cy});
VPointF f = mBrush.mGradient->mMatrix.map(
{mBrush.mGradient->radial.fx, mBrush.mGradient->radial.fy});
mCNode->mGradient.center.x = c.x();
mCNode->mGradient.center.y = c.y();
mCNode->mGradient.focal.x = f.x();
mCNode->mGradient.focal.y = f.y();
float scale = mBrush.mGradient->mMatrix.scale();
mCNode->mGradient.cradius = mBrush.mGradient->radial.cradius * scale;
mCNode->mGradient.fradius = mBrush.mGradient->radial.fradius * scale;
updateGStops(mCNode.get(), mBrush.mGradient);
break;
}
default:
break;
}
}

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vendor/github.com/Benau/go_rlottie/lottie_lottiekeypath.cpp generated vendored Normal file
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#include "lottie_lottiekeypath.h"
#include <sstream>
LOTKeyPath::LOTKeyPath(const std::string &keyPath)
{
std::stringstream ss(keyPath);
std::string item;
while (getline(ss, item, '.')) {
mKeys.push_back(item);
}
}
bool LOTKeyPath::matches(const std::string &key, uint depth)
{
if (skip(key)) {
// This is an object we programatically create.
return true;
}
if (depth > size()) {
return false;
}
if ((mKeys[depth] == key) || (mKeys[depth] == "*") ||
(mKeys[depth] == "**")) {
return true;
}
return false;
}
uint LOTKeyPath::nextDepth(const std::string key, uint depth)
{
if (skip(key)) {
// If it's a container then we added programatically and it isn't a part
// of the keypath.
return depth;
}
if (mKeys[depth] != "**") {
// If it's not a globstar then it is part of the keypath.
return depth + 1;
}
if (depth == size()) {
// The last key is a globstar.
return depth;
}
if (mKeys[depth + 1] == key) {
// We are a globstar and the next key is our current key so consume
// both.
return depth + 2;
}
return depth;
}
bool LOTKeyPath::fullyResolvesTo(const std::string key, uint depth)
{
if (depth > mKeys.size()) {
return false;
}
bool isLastDepth = (depth == size());
if (!isGlobstar(depth)) {
bool matches = (mKeys[depth] == key) || isGlob(depth);
return (isLastDepth || (depth == size() - 1 && endsWithGlobstar())) &&
matches;
}
bool isGlobstarButNextKeyMatches = !isLastDepth && mKeys[depth + 1] == key;
if (isGlobstarButNextKeyMatches) {
return depth == size() - 1 ||
(depth == size() - 2 && endsWithGlobstar());
}
if (isLastDepth) {
return true;
}
if (depth + 1 < size()) {
// We are a globstar but there is more than 1 key after the globstar we
// we can't fully match.
return false;
}
// Return whether the next key (which we now know is the last one) is the
// same as the current key.
return mKeys[depth + 1] == key;
}

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vendor/github.com/Benau/go_rlottie/lottie_lottiekeypath.h generated vendored Normal file
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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef LOTTIEKEYPATH_H
#define LOTTIEKEYPATH_H
#include <string>
#include <vector>
#include "vector_vglobal.h"
class LOTKeyPath {
public:
LOTKeyPath(const std::string &keyPath);
bool matches(const std::string &key, uint depth);
uint nextDepth(const std::string key, uint depth);
bool fullyResolvesTo(const std::string key, uint depth);
bool propagate(const std::string key, uint depth)
{
return skip(key) ? true : (depth < size()) || (mKeys[depth] == "**");
}
bool skip(const std::string &key) const { return key == "__"; }
private:
bool isGlobstar(uint depth) const { return mKeys[depth] == "**"; }
bool isGlob(uint depth) const { return mKeys[depth] == "*"; }
bool endsWithGlobstar() const { return mKeys.back() == "**"; }
size_t size() const { return mKeys.size() - 1; }
private:
std::vector<std::string> mKeys;
};
#endif // LOTTIEKEYPATH_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <cstring>
#include <fstream>
#include <sstream>
#include "lottie_lottiemodel.h"
using namespace rlottie::internal;
#ifdef LOTTIE_CACHE_SUPPORT
#include <mutex>
#include <unordered_map>
class ModelCache {
public:
static ModelCache &instance()
{
static ModelCache singleton;
return singleton;
}
std::shared_ptr<model::Composition> find(const std::string &key)
{
std::lock_guard<std::mutex> guard(mMutex);
if (!mcacheSize) return nullptr;
auto search = mHash.find(key);
return (search != mHash.end()) ? search->second : nullptr;
}
void add(const std::string &key, std::shared_ptr<model::Composition> value)
{
std::lock_guard<std::mutex> guard(mMutex);
if (!mcacheSize) return;
//@TODO just remove the 1st element
// not the best of LRU logic
if (mcacheSize == mHash.size()) mHash.erase(mHash.cbegin());
mHash[key] = std::move(value);
}
void configureCacheSize(size_t cacheSize)
{
std::lock_guard<std::mutex> guard(mMutex);
mcacheSize = cacheSize;
if (!mcacheSize) mHash.clear();
}
private:
ModelCache() = default;
std::unordered_map<std::string, std::shared_ptr<model::Composition>> mHash;
std::mutex mMutex;
size_t mcacheSize{10};
};
#else
class ModelCache {
public:
static ModelCache &instance()
{
static ModelCache singleton;
return singleton;
}
std::shared_ptr<model::Composition> find(const std::string &)
{
return nullptr;
}
void add(const std::string &, std::shared_ptr<model::Composition>) {}
void configureCacheSize(size_t) {}
};
#endif
static std::string dirname(const std::string &path)
{
const char *ptr = strrchr(path.c_str(), '/');
#ifdef _WIN32
if (ptr) ptr = strrchr(ptr + 1, '\\');
#endif
int len = int(ptr + 1 - path.c_str()); // +1 to include '/'
return std::string(path, 0, len);
}
void model::configureModelCacheSize(size_t cacheSize)
{
ModelCache::instance().configureCacheSize(cacheSize);
}
std::shared_ptr<model::Composition> model::loadFromFile(const std::string &path,
bool cachePolicy)
{
if (cachePolicy) {
auto obj = ModelCache::instance().find(path);
if (obj) return obj;
}
std::ifstream f;
f.open(path);
if (!f.is_open()) {
vCritical << "failed to open file = " << path.c_str();
return {};
} else {
std::string content;
std::getline(f, content, '\0');
f.close();
if (content.empty()) return {};
auto obj = internal::model::parse(const_cast<char *>(content.c_str()),
dirname(path));
if (obj && cachePolicy) ModelCache::instance().add(path, obj);
return obj;
}
}
std::shared_ptr<model::Composition> model::loadFromData(
std::string jsonData, const std::string &key, std::string resourcePath,
bool cachePolicy)
{
if (cachePolicy) {
auto obj = ModelCache::instance().find(key);
if (obj) return obj;
}
auto obj = internal::model::parse(const_cast<char *>(jsonData.c_str()),
std::move(resourcePath));
if (obj && cachePolicy) ModelCache::instance().add(key, obj);
return obj;
}
std::shared_ptr<model::Composition> model::loadFromData(
std::string jsonData, std::string resourcePath, model::ColorFilter filter)
{
return internal::model::parse(const_cast<char *>(jsonData.c_str()),
std::move(resourcePath), std::move(filter));
}

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "lottie_lottiemodel.h"
#include <cassert>
#include <iterator>
#include <stack>
#include "vector_vimageloader.h"
#include "vector_vline.h"
using namespace rlottie::internal;
/*
* We process the iterator objects in the children list
* by iterating from back to front. when we find a repeater object
* we remove the objects from satrt till repeater object and then place
* under a new shape group object which we add it as children to the repeater
* object.
* Then we visit the childrens of the newly created shape group object to
* process the remaining repeater object(when children list contains more than
* one repeater).
*
*/
class LottieRepeaterProcesser {
public:
void visitChildren(model::Group *obj)
{
for (auto i = obj->mChildren.rbegin(); i != obj->mChildren.rend();
++i) {
auto child = (*i);
if (child->type() == model::Object::Type::Repeater) {
model::Repeater *repeater =
static_cast<model::Repeater *>(child);
// check if this repeater is already processed
// can happen if the layer is an asset and referenced by
// multiple layer.
if (repeater->processed()) continue;
repeater->markProcessed();
auto content = repeater->content();
// 1. increment the reverse iterator to point to the
// object before the repeater
++i;
// 2. move all the children till repater to the group
std::move(obj->mChildren.begin(), i.base(),
back_inserter(content->mChildren));
// 3. erase the objects from the original children list
obj->mChildren.erase(obj->mChildren.begin(), i.base());
// 5. visit newly created group to process remaining repeater
// object.
visitChildren(content);
// 6. exit the loop as the current iterators are invalid
break;
}
visit(child);
}
}
void visit(model::Object *obj)
{
switch (obj->type()) {
case model::Object::Type::Group:
case model::Object::Type::Layer: {
visitChildren(static_cast<model::Group *>(obj));
break;
}
default:
break;
}
}
};
class LottieUpdateStatVisitor {
model::Composition::Stats *stat;
public:
explicit LottieUpdateStatVisitor(model::Composition::Stats *s) : stat(s) {}
void visitChildren(model::Group *obj)
{
for (const auto &child : obj->mChildren) {
if (child) visit(child);
}
}
void visitLayer(model::Layer *layer)
{
switch (layer->mLayerType) {
case model::Layer::Type::Precomp:
stat->precompLayerCount++;
break;
case model::Layer::Type::Null:
stat->nullLayerCount++;
break;
case model::Layer::Type::Shape:
stat->shapeLayerCount++;
break;
case model::Layer::Type::Solid:
stat->solidLayerCount++;
break;
case model::Layer::Type::Image:
stat->imageLayerCount++;
break;
default:
break;
}
visitChildren(layer);
}
void visit(model::Object *obj)
{
switch (obj->type()) {
case model::Object::Type::Layer: {
visitLayer(static_cast<model::Layer *>(obj));
break;
}
case model::Object::Type::Repeater: {
visitChildren(static_cast<model::Repeater *>(obj)->content());
break;
}
case model::Object::Type::Group: {
visitChildren(static_cast<model::Group *>(obj));
break;
}
default:
break;
}
}
};
void model::Composition::processRepeaterObjects()
{
LottieRepeaterProcesser visitor;
visitor.visit(mRootLayer);
}
void model::Composition::updateStats()
{
LottieUpdateStatVisitor visitor(&mStats);
visitor.visit(mRootLayer);
}
VMatrix model::Repeater::Transform::matrix(int frameNo, float multiplier) const
{
VPointF scale = mScale.value(frameNo) / 100.f;
scale.setX(std::pow(scale.x(), multiplier));
scale.setY(std::pow(scale.y(), multiplier));
VMatrix m;
m.translate(mPosition.value(frameNo) * multiplier)
.translate(mAnchor.value(frameNo))
.scale(scale)
.rotate(mRotation.value(frameNo) * multiplier)
.translate(-mAnchor.value(frameNo));
return m;
}
VMatrix model::Transform::Data::matrix(int frameNo, bool autoOrient) const
{
VMatrix m;
VPointF position;
if (mExtra && mExtra->mSeparate) {
position.setX(mExtra->mSeparateX.value(frameNo));
position.setY(mExtra->mSeparateY.value(frameNo));
} else {
position = mPosition.value(frameNo);
}
float angle = autoOrient ? mPosition.angle(frameNo) : 0;
if (mExtra && mExtra->m3DData) {
m.translate(position)
.rotate(mExtra->m3DRz.value(frameNo) + angle)
.rotate(mExtra->m3DRy.value(frameNo), VMatrix::Axis::Y)
.rotate(mExtra->m3DRx.value(frameNo), VMatrix::Axis::X)
.scale(mScale.value(frameNo) / 100.f)
.translate(-mAnchor.value(frameNo));
} else {
m.translate(position)
.rotate(mRotation.value(frameNo) + angle)
.scale(mScale.value(frameNo) / 100.f)
.translate(-mAnchor.value(frameNo));
}
return m;
}
void model::Dash::getDashInfo(int frameNo, std::vector<float> &result) const
{
result.clear();
if (mData.size() <= 1) return;
if (result.capacity() < mData.size()) result.reserve(mData.size() + 1);
for (const auto &elm : mData) result.push_back(elm.value(frameNo));
// if the size is even then we are missing last
// gap information which is same as the last dash value
// copy it from the last dash value.
// NOTE: last value is the offset and last-1 is the last dash value.
auto size = result.size();
if ((size % 2) == 0) {
// copy offset value to end.
result.push_back(result.back());
// copy dash value to gap.
result[size - 1] = result[size - 2];
}
}
/**
* Both the color stops and opacity stops are in the same array.
* There are {@link #colorPoints} colors sequentially as:
* [
* ...,
* position,
* red,
* green,
* blue,
* ...
* ]
*
* The remainder of the array is the opacity stops sequentially as:
* [
* ...,
* position,
* opacity,
* ...
* ]
*/
void model::Gradient::populate(VGradientStops &stops, int frameNo)
{
model::Gradient::Data gradData = mGradient.value(frameNo);
auto size = gradData.mGradient.size();
float * ptr = gradData.mGradient.data();
int colorPoints = mColorPoints;
if (colorPoints == -1) { // for legacy bodymovin (ref: lottie-android)
colorPoints = int(size / 4);
}
auto opacityArraySize = size - colorPoints * 4;
float *opacityPtr = ptr + (colorPoints * 4);
stops.clear();
size_t j = 0;
for (int i = 0; i < colorPoints; i++) {
float colorStop = ptr[0];
model::Color color = model::Color(ptr[1], ptr[2], ptr[3]);
if (opacityArraySize) {
if (j == opacityArraySize) {
// already reached the end
float stop1 = opacityPtr[j - 4];
float op1 = opacityPtr[j - 3];
float stop2 = opacityPtr[j - 2];
float op2 = opacityPtr[j - 1];
if (colorStop > stop2) {
stops.push_back(
std::make_pair(colorStop, color.toColor(op2)));
} else {
float progress = (colorStop - stop1) / (stop2 - stop1);
float opacity = op1 + progress * (op2 - op1);
stops.push_back(
std::make_pair(colorStop, color.toColor(opacity)));
}
continue;
}
for (; j < opacityArraySize; j += 2) {
float opacityStop = opacityPtr[j];
if (opacityStop < colorStop) {
// add a color using opacity stop
stops.push_back(std::make_pair(
opacityStop, color.toColor(opacityPtr[j + 1])));
continue;
}
// add a color using color stop
if (j == 0) {
stops.push_back(std::make_pair(
colorStop, color.toColor(opacityPtr[j + 1])));
} else {
float progress = (colorStop - opacityPtr[j - 2]) /
(opacityPtr[j] - opacityPtr[j - 2]);
float opacity =
opacityPtr[j - 1] +
progress * (opacityPtr[j + 1] - opacityPtr[j - 1]);
stops.push_back(
std::make_pair(colorStop, color.toColor(opacity)));
}
j += 2;
break;
}
} else {
stops.push_back(std::make_pair(colorStop, color.toColor()));
}
ptr += 4;
}
}
void model::Gradient::update(std::unique_ptr<VGradient> &grad, int frameNo)
{
bool init = false;
if (!grad) {
if (mGradientType == 1)
grad = std::make_unique<VGradient>(VGradient::Type::Linear);
else
grad = std::make_unique<VGradient>(VGradient::Type::Radial);
grad->mSpread = VGradient::Spread::Pad;
init = true;
}
if (!mGradient.isStatic() || init) {
populate(grad->mStops, frameNo);
}
if (mGradientType == 1) { // linear gradient
VPointF start = mStartPoint.value(frameNo);
VPointF end = mEndPoint.value(frameNo);
grad->linear.x1 = start.x();
grad->linear.y1 = start.y();
grad->linear.x2 = end.x();
grad->linear.y2 = end.y();
} else { // radial gradient
VPointF start = mStartPoint.value(frameNo);
VPointF end = mEndPoint.value(frameNo);
grad->radial.cx = start.x();
grad->radial.cy = start.y();
grad->radial.cradius =
VLine::length(start.x(), start.y(), end.x(), end.y());
/*
* Focal point is the point lives in highlight length distance from
* center along the line (start, end) and rotated by highlight angle.
* below calculation first finds the quadrant(angle) on which the point
* lives by applying inverse slope formula then adds the rotation angle
* to find the final angle. then point is retrived using circle equation
* of center, angle and distance.
*/
float progress = mHighlightLength.value(frameNo) / 100.0f;
if (vCompare(progress, 1.0f)) progress = 0.99f;
float startAngle = VLine(start, end).angle();
float highlightAngle = mHighlightAngle.value(frameNo);
static constexpr float K_PI = 3.1415926f;
float angle = (startAngle + highlightAngle) * (K_PI / 180.0f);
grad->radial.fx =
grad->radial.cx + std::cos(angle) * progress * grad->radial.cradius;
grad->radial.fy =
grad->radial.cy + std::sin(angle) * progress * grad->radial.cradius;
// Lottie dosen't have any focal radius concept.
grad->radial.fradius = 0;
}
}
void model::Asset::loadImageData(std::string data)
{
if (!data.empty())
mBitmap = VImageLoader::instance().load(data.c_str(), data.length());
}
void model::Asset::loadImagePath(std::string path)
{
if (!path.empty()) mBitmap = VImageLoader::instance().load(path.c_str());
}
std::vector<LayerInfo> model::Composition::layerInfoList() const
{
if (!mRootLayer || mRootLayer->mChildren.empty()) return {};
std::vector<LayerInfo> result;
result.reserve(mRootLayer->mChildren.size());
for (auto it : mRootLayer->mChildren) {
auto layer = static_cast<model::Layer *>(it);
result.emplace_back(layer->name(), layer->mInFrame, layer->mOutFrame);
}
return result;
}

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ALLOCATORS_H_
#define RAPIDJSON_ALLOCATORS_H_
#include "lottie_rapidjson_rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// Allocator
/*! \class rapidjson::Allocator
\brief Concept for allocating, resizing and freeing memory block.
Note that Malloc() and Realloc() are non-static but Free() is static.
So if an allocator need to support Free(), it needs to put its pointer in
the header of memory block.
\code
concept Allocator {
static const bool kNeedFree; //!< Whether this allocator needs to call Free().
// Allocate a memory block.
// \param size of the memory block in bytes.
// \returns pointer to the memory block.
void* Malloc(size_t size);
// Resize a memory block.
// \param originalPtr The pointer to current memory block. Null pointer is permitted.
// \param originalSize The current size in bytes. (Design issue: since some allocator may not book-keep this, explicitly pass to it can save memory.)
// \param newSize the new size in bytes.
void* Realloc(void* originalPtr, size_t originalSize, size_t newSize);
// Free a memory block.
// \param pointer to the memory block. Null pointer is permitted.
static void Free(void *ptr);
};
\endcode
*/
/*! \def RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY
\ingroup RAPIDJSON_CONFIG
\brief User-defined kDefaultChunkCapacity definition.
User can define this as any \c size that is a power of 2.
*/
#ifndef RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY
#define RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY (64 * 1024)
#endif
///////////////////////////////////////////////////////////////////////////////
// CrtAllocator
//! C-runtime library allocator.
/*! This class is just wrapper for standard C library memory routines.
\note implements Allocator concept
*/
class CrtAllocator {
public:
static const bool kNeedFree = true;
void* Malloc(size_t size) {
if (size) // behavior of malloc(0) is implementation defined.
return RAPIDJSON_MALLOC(size);
else
return NULL; // standardize to returning NULL.
}
void* Realloc(void* originalPtr, size_t originalSize, size_t newSize) {
(void)originalSize;
if (newSize == 0) {
RAPIDJSON_FREE(originalPtr);
return NULL;
}
return RAPIDJSON_REALLOC(originalPtr, newSize);
}
static void Free(void *ptr) { RAPIDJSON_FREE(ptr); }
};
///////////////////////////////////////////////////////////////////////////////
// MemoryPoolAllocator
//! Default memory allocator used by the parser and DOM.
/*! This allocator allocate memory blocks from pre-allocated memory chunks.
It does not free memory blocks. And Realloc() only allocate new memory.
The memory chunks are allocated by BaseAllocator, which is CrtAllocator by default.
User may also supply a buffer as the first chunk.
If the user-buffer is full then additional chunks are allocated by BaseAllocator.
The user-buffer is not deallocated by this allocator.
\tparam BaseAllocator the allocator type for allocating memory chunks. Default is CrtAllocator.
\note implements Allocator concept
*/
template <typename BaseAllocator = CrtAllocator>
class MemoryPoolAllocator {
public:
static const bool kNeedFree = false; //!< Tell users that no need to call Free() with this allocator. (concept Allocator)
//! Constructor with chunkSize.
/*! \param chunkSize The size of memory chunk. The default is kDefaultChunkSize.
\param baseAllocator The allocator for allocating memory chunks.
*/
MemoryPoolAllocator(size_t chunkSize = kDefaultChunkCapacity, BaseAllocator* baseAllocator = 0) :
chunkHead_(0), chunk_capacity_(chunkSize), userBuffer_(0), baseAllocator_(baseAllocator), ownBaseAllocator_(0)
{
}
//! Constructor with user-supplied buffer.
/*! The user buffer will be used firstly. When it is full, memory pool allocates new chunk with chunk size.
The user buffer will not be deallocated when this allocator is destructed.
\param buffer User supplied buffer.
\param size Size of the buffer in bytes. It must at least larger than sizeof(ChunkHeader).
\param chunkSize The size of memory chunk. The default is kDefaultChunkSize.
\param baseAllocator The allocator for allocating memory chunks.
*/
MemoryPoolAllocator(void *buffer, size_t size, size_t chunkSize = kDefaultChunkCapacity, BaseAllocator* baseAllocator = 0) :
chunkHead_(0), chunk_capacity_(chunkSize), userBuffer_(buffer), baseAllocator_(baseAllocator), ownBaseAllocator_(0)
{
RAPIDJSON_ASSERT(buffer != 0);
RAPIDJSON_ASSERT(size > sizeof(ChunkHeader));
chunkHead_ = reinterpret_cast<ChunkHeader*>(buffer);
chunkHead_->capacity = size - sizeof(ChunkHeader);
chunkHead_->size = 0;
chunkHead_->next = 0;
}
//! Destructor.
/*! This deallocates all memory chunks, excluding the user-supplied buffer.
*/
~MemoryPoolAllocator() {
Clear();
RAPIDJSON_DELETE(ownBaseAllocator_);
}
//! Deallocates all memory chunks, excluding the user-supplied buffer.
void Clear() {
while (chunkHead_ && chunkHead_ != userBuffer_) {
ChunkHeader* next = chunkHead_->next;
baseAllocator_->Free(chunkHead_);
chunkHead_ = next;
}
if (chunkHead_ && chunkHead_ == userBuffer_)
chunkHead_->size = 0; // Clear user buffer
}
//! Computes the total capacity of allocated memory chunks.
/*! \return total capacity in bytes.
*/
size_t Capacity() const {
size_t capacity = 0;
for (ChunkHeader* c = chunkHead_; c != 0; c = c->next)
capacity += c->capacity;
return capacity;
}
//! Computes the memory blocks allocated.
/*! \return total used bytes.
*/
size_t Size() const {
size_t size = 0;
for (ChunkHeader* c = chunkHead_; c != 0; c = c->next)
size += c->size;
return size;
}
//! Allocates a memory block. (concept Allocator)
void* Malloc(size_t size) {
if (!size)
return NULL;
size = RAPIDJSON_ALIGN(size);
if (chunkHead_ == 0 || chunkHead_->size + size > chunkHead_->capacity)
if (!AddChunk(chunk_capacity_ > size ? chunk_capacity_ : size))
return NULL;
void *buffer = reinterpret_cast<char *>(chunkHead_) + RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + chunkHead_->size;
chunkHead_->size += size;
return buffer;
}
//! Resizes a memory block (concept Allocator)
void* Realloc(void* originalPtr, size_t originalSize, size_t newSize) {
if (originalPtr == 0)
return Malloc(newSize);
if (newSize == 0)
return NULL;
originalSize = RAPIDJSON_ALIGN(originalSize);
newSize = RAPIDJSON_ALIGN(newSize);
// Do not shrink if new size is smaller than original
if (originalSize >= newSize)
return originalPtr;
// Simply expand it if it is the last allocation and there is sufficient space
if (originalPtr == reinterpret_cast<char *>(chunkHead_) + RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + chunkHead_->size - originalSize) {
size_t increment = static_cast<size_t>(newSize - originalSize);
if (chunkHead_->size + increment <= chunkHead_->capacity) {
chunkHead_->size += increment;
return originalPtr;
}
}
// Realloc process: allocate and copy memory, do not free original buffer.
if (void* newBuffer = Malloc(newSize)) {
if (originalSize)
std::memcpy(newBuffer, originalPtr, originalSize);
return newBuffer;
}
else
return NULL;
}
//! Frees a memory block (concept Allocator)
static void Free(void *ptr) { (void)ptr; } // Do nothing
private:
//! Copy constructor is not permitted.
MemoryPoolAllocator(const MemoryPoolAllocator& rhs) /* = delete */;
//! Copy assignment operator is not permitted.
MemoryPoolAllocator& operator=(const MemoryPoolAllocator& rhs) /* = delete */;
//! Creates a new chunk.
/*! \param capacity Capacity of the chunk in bytes.
\return true if success.
*/
bool AddChunk(size_t capacity) {
if (!baseAllocator_)
ownBaseAllocator_ = baseAllocator_ = RAPIDJSON_NEW(BaseAllocator)();
if (ChunkHeader* chunk = reinterpret_cast<ChunkHeader*>(baseAllocator_->Malloc(RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + capacity))) {
chunk->capacity = capacity;
chunk->size = 0;
chunk->next = chunkHead_;
chunkHead_ = chunk;
return true;
}
else
return false;
}
static const int kDefaultChunkCapacity = RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY; //!< Default chunk capacity.
//! Chunk header for perpending to each chunk.
/*! Chunks are stored as a singly linked list.
*/
struct ChunkHeader {
size_t capacity; //!< Capacity of the chunk in bytes (excluding the header itself).
size_t size; //!< Current size of allocated memory in bytes.
ChunkHeader *next; //!< Next chunk in the linked list.
};
ChunkHeader *chunkHead_; //!< Head of the chunk linked-list. Only the head chunk serves allocation.
size_t chunk_capacity_; //!< The minimum capacity of chunk when they are allocated.
void *userBuffer_; //!< User supplied buffer.
BaseAllocator* baseAllocator_; //!< base allocator for allocating memory chunks.
BaseAllocator* ownBaseAllocator_; //!< base allocator created by this object.
};
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_ENCODINGS_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_CURSORSTREAMWRAPPER_H_
#define RAPIDJSON_CURSORSTREAMWRAPPER_H_
#include "lottie_rapidjson_stream.h"
#if defined(__GNUC__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#if defined(_MSC_VER) && _MSC_VER <= 1800
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4702) // unreachable code
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Cursor stream wrapper for counting line and column number if error exists.
/*!
\tparam InputStream Any stream that implements Stream Concept
*/
template <typename InputStream, typename Encoding = UTF8<> >
class CursorStreamWrapper : public GenericStreamWrapper<InputStream, Encoding> {
public:
typedef typename Encoding::Ch Ch;
CursorStreamWrapper(InputStream& is):
GenericStreamWrapper<InputStream, Encoding>(is), line_(1), col_(0) {}
// counting line and column number
Ch Take() {
Ch ch = this->is_.Take();
if(ch == '\n') {
line_ ++;
col_ = 0;
} else {
col_ ++;
}
return ch;
}
//! Get the error line number, if error exists.
size_t GetLine() const { return line_; }
//! Get the error column number, if error exists.
size_t GetColumn() const { return col_; }
private:
size_t line_; //!< Current Line
size_t col_; //!< Current Column
};
#if defined(_MSC_VER) && _MSC_VER <= 1800
RAPIDJSON_DIAG_POP
#endif
#if defined(__GNUC__)
RAPIDJSON_DIAG_POP
#endif
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_CURSORSTREAMWRAPPER_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ENCODEDSTREAM_H_
#define RAPIDJSON_ENCODEDSTREAM_H_
#include "lottie_rapidjson_stream.h"
#include "lottie_rapidjson_memorystream.h"
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Input byte stream wrapper with a statically bound encoding.
/*!
\tparam Encoding The interpretation of encoding of the stream. Either UTF8, UTF16LE, UTF16BE, UTF32LE, UTF32BE.
\tparam InputByteStream Type of input byte stream. For example, FileReadStream.
*/
template <typename Encoding, typename InputByteStream>
class EncodedInputStream {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
public:
typedef typename Encoding::Ch Ch;
EncodedInputStream(InputByteStream& is) : is_(is) {
current_ = Encoding::TakeBOM(is_);
}
Ch Peek() const { return current_; }
Ch Take() { Ch c = current_; current_ = Encoding::Take(is_); return c; }
size_t Tell() const { return is_.Tell(); }
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
private:
EncodedInputStream(const EncodedInputStream&);
EncodedInputStream& operator=(const EncodedInputStream&);
InputByteStream& is_;
Ch current_;
};
//! Specialized for UTF8 MemoryStream.
template <>
class EncodedInputStream<UTF8<>, MemoryStream> {
public:
typedef UTF8<>::Ch Ch;
EncodedInputStream(MemoryStream& is) : is_(is) {
if (static_cast<unsigned char>(is_.Peek()) == 0xEFu) is_.Take();
if (static_cast<unsigned char>(is_.Peek()) == 0xBBu) is_.Take();
if (static_cast<unsigned char>(is_.Peek()) == 0xBFu) is_.Take();
}
Ch Peek() const { return is_.Peek(); }
Ch Take() { return is_.Take(); }
size_t Tell() const { return is_.Tell(); }
// Not implemented
void Put(Ch) {}
void Flush() {}
Ch* PutBegin() { return 0; }
size_t PutEnd(Ch*) { return 0; }
MemoryStream& is_;
private:
EncodedInputStream(const EncodedInputStream&);
EncodedInputStream& operator=(const EncodedInputStream&);
};
//! Output byte stream wrapper with statically bound encoding.
/*!
\tparam Encoding The interpretation of encoding of the stream. Either UTF8, UTF16LE, UTF16BE, UTF32LE, UTF32BE.
\tparam OutputByteStream Type of input byte stream. For example, FileWriteStream.
*/
template <typename Encoding, typename OutputByteStream>
class EncodedOutputStream {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
public:
typedef typename Encoding::Ch Ch;
EncodedOutputStream(OutputByteStream& os, bool putBOM = true) : os_(os) {
if (putBOM)
Encoding::PutBOM(os_);
}
void Put(Ch c) { Encoding::Put(os_, c); }
void Flush() { os_.Flush(); }
// Not implemented
Ch Peek() const { RAPIDJSON_ASSERT(false); return 0;}
Ch Take() { RAPIDJSON_ASSERT(false); return 0;}
size_t Tell() const { RAPIDJSON_ASSERT(false); return 0; }
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
private:
EncodedOutputStream(const EncodedOutputStream&);
EncodedOutputStream& operator=(const EncodedOutputStream&);
OutputByteStream& os_;
};
#define RAPIDJSON_ENCODINGS_FUNC(x) UTF8<Ch>::x, UTF16LE<Ch>::x, UTF16BE<Ch>::x, UTF32LE<Ch>::x, UTF32BE<Ch>::x
//! Input stream wrapper with dynamically bound encoding and automatic encoding detection.
/*!
\tparam CharType Type of character for reading.
\tparam InputByteStream type of input byte stream to be wrapped.
*/
template <typename CharType, typename InputByteStream>
class AutoUTFInputStream {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
public:
typedef CharType Ch;
//! Constructor.
/*!
\param is input stream to be wrapped.
\param type UTF encoding type if it is not detected from the stream.
*/
AutoUTFInputStream(InputByteStream& is, UTFType type = kUTF8) : is_(&is), type_(type), hasBOM_(false) {
RAPIDJSON_ASSERT(type >= kUTF8 && type <= kUTF32BE);
DetectType();
static const TakeFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Take) };
takeFunc_ = f[type_];
current_ = takeFunc_(*is_);
}
UTFType GetType() const { return type_; }
bool HasBOM() const { return hasBOM_; }
Ch Peek() const { return current_; }
Ch Take() { Ch c = current_; current_ = takeFunc_(*is_); return c; }
size_t Tell() const { return is_->Tell(); }
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
private:
AutoUTFInputStream(const AutoUTFInputStream&);
AutoUTFInputStream& operator=(const AutoUTFInputStream&);
// Detect encoding type with BOM or RFC 4627
void DetectType() {
// BOM (Byte Order Mark):
// 00 00 FE FF UTF-32BE
// FF FE 00 00 UTF-32LE
// FE FF UTF-16BE
// FF FE UTF-16LE
// EF BB BF UTF-8
const unsigned char* c = reinterpret_cast<const unsigned char *>(is_->Peek4());
if (!c)
return;
unsigned bom = static_cast<unsigned>(c[0] | (c[1] << 8) | (c[2] << 16) | (c[3] << 24));
hasBOM_ = false;
if (bom == 0xFFFE0000) { type_ = kUTF32BE; hasBOM_ = true; is_->Take(); is_->Take(); is_->Take(); is_->Take(); }
else if (bom == 0x0000FEFF) { type_ = kUTF32LE; hasBOM_ = true; is_->Take(); is_->Take(); is_->Take(); is_->Take(); }
else if ((bom & 0xFFFF) == 0xFFFE) { type_ = kUTF16BE; hasBOM_ = true; is_->Take(); is_->Take(); }
else if ((bom & 0xFFFF) == 0xFEFF) { type_ = kUTF16LE; hasBOM_ = true; is_->Take(); is_->Take(); }
else if ((bom & 0xFFFFFF) == 0xBFBBEF) { type_ = kUTF8; hasBOM_ = true; is_->Take(); is_->Take(); is_->Take(); }
// RFC 4627: Section 3
// "Since the first two characters of a JSON text will always be ASCII
// characters [RFC0020], it is possible to determine whether an octet
// stream is UTF-8, UTF-16 (BE or LE), or UTF-32 (BE or LE) by looking
// at the pattern of nulls in the first four octets."
// 00 00 00 xx UTF-32BE
// 00 xx 00 xx UTF-16BE
// xx 00 00 00 UTF-32LE
// xx 00 xx 00 UTF-16LE
// xx xx xx xx UTF-8
if (!hasBOM_) {
int pattern = (c[0] ? 1 : 0) | (c[1] ? 2 : 0) | (c[2] ? 4 : 0) | (c[3] ? 8 : 0);
switch (pattern) {
case 0x08: type_ = kUTF32BE; break;
case 0x0A: type_ = kUTF16BE; break;
case 0x01: type_ = kUTF32LE; break;
case 0x05: type_ = kUTF16LE; break;
case 0x0F: type_ = kUTF8; break;
default: break; // Use type defined by user.
}
}
// Runtime check whether the size of character type is sufficient. It only perform checks with assertion.
if (type_ == kUTF16LE || type_ == kUTF16BE) RAPIDJSON_ASSERT(sizeof(Ch) >= 2);
if (type_ == kUTF32LE || type_ == kUTF32BE) RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
}
typedef Ch (*TakeFunc)(InputByteStream& is);
InputByteStream* is_;
UTFType type_;
Ch current_;
TakeFunc takeFunc_;
bool hasBOM_;
};
//! Output stream wrapper with dynamically bound encoding and automatic encoding detection.
/*!
\tparam CharType Type of character for writing.
\tparam OutputByteStream type of output byte stream to be wrapped.
*/
template <typename CharType, typename OutputByteStream>
class AutoUTFOutputStream {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
public:
typedef CharType Ch;
//! Constructor.
/*!
\param os output stream to be wrapped.
\param type UTF encoding type.
\param putBOM Whether to write BOM at the beginning of the stream.
*/
AutoUTFOutputStream(OutputByteStream& os, UTFType type, bool putBOM) : os_(&os), type_(type) {
RAPIDJSON_ASSERT(type >= kUTF8 && type <= kUTF32BE);
// Runtime check whether the size of character type is sufficient. It only perform checks with assertion.
if (type_ == kUTF16LE || type_ == kUTF16BE) RAPIDJSON_ASSERT(sizeof(Ch) >= 2);
if (type_ == kUTF32LE || type_ == kUTF32BE) RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
static const PutFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Put) };
putFunc_ = f[type_];
if (putBOM)
PutBOM();
}
UTFType GetType() const { return type_; }
void Put(Ch c) { putFunc_(*os_, c); }
void Flush() { os_->Flush(); }
// Not implemented
Ch Peek() const { RAPIDJSON_ASSERT(false); return 0;}
Ch Take() { RAPIDJSON_ASSERT(false); return 0;}
size_t Tell() const { RAPIDJSON_ASSERT(false); return 0; }
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
private:
AutoUTFOutputStream(const AutoUTFOutputStream&);
AutoUTFOutputStream& operator=(const AutoUTFOutputStream&);
void PutBOM() {
typedef void (*PutBOMFunc)(OutputByteStream&);
static const PutBOMFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(PutBOM) };
f[type_](*os_);
}
typedef void (*PutFunc)(OutputByteStream&, Ch);
OutputByteStream* os_;
UTFType type_;
PutFunc putFunc_;
};
#undef RAPIDJSON_ENCODINGS_FUNC
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_FILESTREAM_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ENCODINGS_H_
#define RAPIDJSON_ENCODINGS_H_
#include "lottie_rapidjson_rapidjson.h"
#if defined(_MSC_VER) && !defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4244) // conversion from 'type1' to 'type2', possible loss of data
RAPIDJSON_DIAG_OFF(4702) // unreachable code
#elif defined(__GNUC__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
RAPIDJSON_DIAG_OFF(overflow)
#endif
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// Encoding
/*! \class rapidjson::Encoding
\brief Concept for encoding of Unicode characters.
\code
concept Encoding {
typename Ch; //! Type of character. A "character" is actually a code unit in unicode's definition.
enum { supportUnicode = 1 }; // or 0 if not supporting unicode
//! \brief Encode a Unicode codepoint to an output stream.
//! \param os Output stream.
//! \param codepoint An unicode codepoint, ranging from 0x0 to 0x10FFFF inclusively.
template<typename OutputStream>
static void Encode(OutputStream& os, unsigned codepoint);
//! \brief Decode a Unicode codepoint from an input stream.
//! \param is Input stream.
//! \param codepoint Output of the unicode codepoint.
//! \return true if a valid codepoint can be decoded from the stream.
template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint);
//! \brief Validate one Unicode codepoint from an encoded stream.
//! \param is Input stream to obtain codepoint.
//! \param os Output for copying one codepoint.
//! \return true if it is valid.
//! \note This function just validating and copying the codepoint without actually decode it.
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream& is, OutputStream& os);
// The following functions are deal with byte streams.
//! Take a character from input byte stream, skip BOM if exist.
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is);
//! Take a character from input byte stream.
template <typename InputByteStream>
static Ch Take(InputByteStream& is);
//! Put BOM to output byte stream.
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os);
//! Put a character to output byte stream.
template <typename OutputByteStream>
static void Put(OutputByteStream& os, Ch c);
};
\endcode
*/
///////////////////////////////////////////////////////////////////////////////
// UTF8
//! UTF-8 encoding.
/*! http://en.wikipedia.org/wiki/UTF-8
http://tools.ietf.org/html/rfc3629
\tparam CharType Code unit for storing 8-bit UTF-8 data. Default is char.
\note implements Encoding concept
*/
template<typename CharType = char>
struct UTF8 {
typedef CharType Ch;
enum { supportUnicode = 1 };
template<typename OutputStream>
static void Encode(OutputStream& os, unsigned codepoint) {
if (codepoint <= 0x7F)
os.Put(static_cast<Ch>(codepoint & 0xFF));
else if (codepoint <= 0x7FF) {
os.Put(static_cast<Ch>(0xC0 | ((codepoint >> 6) & 0xFF)));
os.Put(static_cast<Ch>(0x80 | ((codepoint & 0x3F))));
}
else if (codepoint <= 0xFFFF) {
os.Put(static_cast<Ch>(0xE0 | ((codepoint >> 12) & 0xFF)));
os.Put(static_cast<Ch>(0x80 | ((codepoint >> 6) & 0x3F)));
os.Put(static_cast<Ch>(0x80 | (codepoint & 0x3F)));
}
else {
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
os.Put(static_cast<Ch>(0xF0 | ((codepoint >> 18) & 0xFF)));
os.Put(static_cast<Ch>(0x80 | ((codepoint >> 12) & 0x3F)));
os.Put(static_cast<Ch>(0x80 | ((codepoint >> 6) & 0x3F)));
os.Put(static_cast<Ch>(0x80 | (codepoint & 0x3F)));
}
}
template<typename OutputStream>
static void EncodeUnsafe(OutputStream& os, unsigned codepoint) {
if (codepoint <= 0x7F)
PutUnsafe(os, static_cast<Ch>(codepoint & 0xFF));
else if (codepoint <= 0x7FF) {
PutUnsafe(os, static_cast<Ch>(0xC0 | ((codepoint >> 6) & 0xFF)));
PutUnsafe(os, static_cast<Ch>(0x80 | ((codepoint & 0x3F))));
}
else if (codepoint <= 0xFFFF) {
PutUnsafe(os, static_cast<Ch>(0xE0 | ((codepoint >> 12) & 0xFF)));
PutUnsafe(os, static_cast<Ch>(0x80 | ((codepoint >> 6) & 0x3F)));
PutUnsafe(os, static_cast<Ch>(0x80 | (codepoint & 0x3F)));
}
else {
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
PutUnsafe(os, static_cast<Ch>(0xF0 | ((codepoint >> 18) & 0xFF)));
PutUnsafe(os, static_cast<Ch>(0x80 | ((codepoint >> 12) & 0x3F)));
PutUnsafe(os, static_cast<Ch>(0x80 | ((codepoint >> 6) & 0x3F)));
PutUnsafe(os, static_cast<Ch>(0x80 | (codepoint & 0x3F)));
}
}
template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint) {
#define RAPIDJSON_COPY() c = is.Take(); *codepoint = (*codepoint << 6) | (static_cast<unsigned char>(c) & 0x3Fu)
#define RAPIDJSON_TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
#define RAPIDJSON_TAIL() RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x70)
typename InputStream::Ch c = is.Take();
if (!(c & 0x80)) {
*codepoint = static_cast<unsigned char>(c);
return true;
}
unsigned char type = GetRange(static_cast<unsigned char>(c));
if (type >= 32) {
*codepoint = 0;
} else {
*codepoint = (0xFFu >> type) & static_cast<unsigned char>(c);
}
bool result = true;
switch (type) {
case 2: RAPIDJSON_TAIL(); return result;
case 3: RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
case 4: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x50); RAPIDJSON_TAIL(); return result;
case 5: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x10); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
case 6: RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
case 10: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x20); RAPIDJSON_TAIL(); return result;
case 11: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x60); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
default: return false;
}
#undef RAPIDJSON_COPY
#undef RAPIDJSON_TRANS
#undef RAPIDJSON_TAIL
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream& is, OutputStream& os) {
#define RAPIDJSON_COPY() os.Put(c = is.Take())
#define RAPIDJSON_TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
#define RAPIDJSON_TAIL() RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x70)
Ch c;
RAPIDJSON_COPY();
if (!(c & 0x80))
return true;
bool result = true;
switch (GetRange(static_cast<unsigned char>(c))) {
case 2: RAPIDJSON_TAIL(); return result;
case 3: RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
case 4: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x50); RAPIDJSON_TAIL(); return result;
case 5: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x10); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
case 6: RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
case 10: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x20); RAPIDJSON_TAIL(); return result;
case 11: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x60); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
default: return false;
}
#undef RAPIDJSON_COPY
#undef RAPIDJSON_TRANS
#undef RAPIDJSON_TAIL
}
static unsigned char GetRange(unsigned char c) {
// Referring to DFA of http://bjoern.hoehrmann.de/utf-8/decoder/dfa/
// With new mapping 1 -> 0x10, 7 -> 0x20, 9 -> 0x40, such that AND operation can test multiple types.
static const unsigned char type[] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,
0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
10,3,3,3,3,3,3,3,3,3,3,3,3,4,3,3, 11,6,6,6,5,8,8,8,8,8,8,8,8,8,8,8,
};
return type[c];
}
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
typename InputByteStream::Ch c = Take(is);
if (static_cast<unsigned char>(c) != 0xEFu) return c;
c = is.Take();
if (static_cast<unsigned char>(c) != 0xBBu) return c;
c = is.Take();
if (static_cast<unsigned char>(c) != 0xBFu) return c;
c = is.Take();
return c;
}
template <typename InputByteStream>
static Ch Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
return static_cast<Ch>(is.Take());
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0xEFu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xBBu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xBFu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, Ch c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(c));
}
};
///////////////////////////////////////////////////////////////////////////////
// UTF16
//! UTF-16 encoding.
/*! http://en.wikipedia.org/wiki/UTF-16
http://tools.ietf.org/html/rfc2781
\tparam CharType Type for storing 16-bit UTF-16 data. Default is wchar_t. C++11 may use char16_t instead.
\note implements Encoding concept
\note For in-memory access, no need to concern endianness. The code units and code points are represented by CPU's endianness.
For streaming, use UTF16LE and UTF16BE, which handle endianness.
*/
template<typename CharType = wchar_t>
struct UTF16 {
typedef CharType Ch;
RAPIDJSON_STATIC_ASSERT(sizeof(Ch) >= 2);
enum { supportUnicode = 1 };
template<typename OutputStream>
static void Encode(OutputStream& os, unsigned codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 2);
if (codepoint <= 0xFFFF) {
RAPIDJSON_ASSERT(codepoint < 0xD800 || codepoint > 0xDFFF); // Code point itself cannot be surrogate pair
os.Put(static_cast<typename OutputStream::Ch>(codepoint));
}
else {
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
unsigned v = codepoint - 0x10000;
os.Put(static_cast<typename OutputStream::Ch>((v >> 10) | 0xD800));
os.Put(static_cast<typename OutputStream::Ch>((v & 0x3FF) | 0xDC00));
}
}
template<typename OutputStream>
static void EncodeUnsafe(OutputStream& os, unsigned codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 2);
if (codepoint <= 0xFFFF) {
RAPIDJSON_ASSERT(codepoint < 0xD800 || codepoint > 0xDFFF); // Code point itself cannot be surrogate pair
PutUnsafe(os, static_cast<typename OutputStream::Ch>(codepoint));
}
else {
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
unsigned v = codepoint - 0x10000;
PutUnsafe(os, static_cast<typename OutputStream::Ch>((v >> 10) | 0xD800));
PutUnsafe(os, static_cast<typename OutputStream::Ch>((v & 0x3FF) | 0xDC00));
}
}
template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 2);
typename InputStream::Ch c = is.Take();
if (c < 0xD800 || c > 0xDFFF) {
*codepoint = static_cast<unsigned>(c);
return true;
}
else if (c <= 0xDBFF) {
*codepoint = (static_cast<unsigned>(c) & 0x3FF) << 10;
c = is.Take();
*codepoint |= (static_cast<unsigned>(c) & 0x3FF);
*codepoint += 0x10000;
return c >= 0xDC00 && c <= 0xDFFF;
}
return false;
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream& is, OutputStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 2);
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 2);
typename InputStream::Ch c;
os.Put(static_cast<typename OutputStream::Ch>(c = is.Take()));
if (c < 0xD800 || c > 0xDFFF)
return true;
else if (c <= 0xDBFF) {
os.Put(c = is.Take());
return c >= 0xDC00 && c <= 0xDFFF;
}
return false;
}
};
//! UTF-16 little endian encoding.
template<typename CharType = wchar_t>
struct UTF16LE : UTF16<CharType> {
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
return static_cast<uint16_t>(c) == 0xFEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
unsigned c = static_cast<uint8_t>(is.Take());
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(static_cast<unsigned>(c) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((static_cast<unsigned>(c) >> 8) & 0xFFu));
}
};
//! UTF-16 big endian encoding.
template<typename CharType = wchar_t>
struct UTF16BE : UTF16<CharType> {
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
return static_cast<uint16_t>(c) == 0xFEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
unsigned c = static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take()));
return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>((static_cast<unsigned>(c) >> 8) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(static_cast<unsigned>(c) & 0xFFu));
}
};
///////////////////////////////////////////////////////////////////////////////
// UTF32
//! UTF-32 encoding.
/*! http://en.wikipedia.org/wiki/UTF-32
\tparam CharType Type for storing 32-bit UTF-32 data. Default is unsigned. C++11 may use char32_t instead.
\note implements Encoding concept
\note For in-memory access, no need to concern endianness. The code units and code points are represented by CPU's endianness.
For streaming, use UTF32LE and UTF32BE, which handle endianness.
*/
template<typename CharType = unsigned>
struct UTF32 {
typedef CharType Ch;
RAPIDJSON_STATIC_ASSERT(sizeof(Ch) >= 4);
enum { supportUnicode = 1 };
template<typename OutputStream>
static void Encode(OutputStream& os, unsigned codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 4);
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
os.Put(codepoint);
}
template<typename OutputStream>
static void EncodeUnsafe(OutputStream& os, unsigned codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 4);
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
PutUnsafe(os, codepoint);
}
template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 4);
Ch c = is.Take();
*codepoint = c;
return c <= 0x10FFFF;
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream& is, OutputStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 4);
Ch c;
os.Put(c = is.Take());
return c <= 0x10FFFF;
}
};
//! UTF-32 little endian enocoding.
template<typename CharType = unsigned>
struct UTF32LE : UTF32<CharType> {
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
return static_cast<uint32_t>(c) == 0x0000FEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
unsigned c = static_cast<uint8_t>(is.Take());
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 16;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 24;
return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(c & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 8) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 16) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 24) & 0xFFu));
}
};
//! UTF-32 big endian encoding.
template<typename CharType = unsigned>
struct UTF32BE : UTF32<CharType> {
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
return static_cast<uint32_t>(c) == 0x0000FEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
unsigned c = static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 24;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 16;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take()));
return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 24) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 16) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>((c >> 8) & 0xFFu));
os.Put(static_cast<typename OutputByteStream::Ch>(c & 0xFFu));
}
};
///////////////////////////////////////////////////////////////////////////////
// ASCII
//! ASCII encoding.
/*! http://en.wikipedia.org/wiki/ASCII
\tparam CharType Code unit for storing 7-bit ASCII data. Default is char.
\note implements Encoding concept
*/
template<typename CharType = char>
struct ASCII {
typedef CharType Ch;
enum { supportUnicode = 0 };
template<typename OutputStream>
static void Encode(OutputStream& os, unsigned codepoint) {
RAPIDJSON_ASSERT(codepoint <= 0x7F);
os.Put(static_cast<Ch>(codepoint & 0xFF));
}
template<typename OutputStream>
static void EncodeUnsafe(OutputStream& os, unsigned codepoint) {
RAPIDJSON_ASSERT(codepoint <= 0x7F);
PutUnsafe(os, static_cast<Ch>(codepoint & 0xFF));
}
template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint) {
uint8_t c = static_cast<uint8_t>(is.Take());
*codepoint = c;
return c <= 0X7F;
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream& is, OutputStream& os) {
uint8_t c = static_cast<uint8_t>(is.Take());
os.Put(static_cast<typename OutputStream::Ch>(c));
return c <= 0x7F;
}
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
uint8_t c = static_cast<uint8_t>(Take(is));
return static_cast<Ch>(c);
}
template <typename InputByteStream>
static Ch Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
return static_cast<Ch>(is.Take());
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
(void)os;
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, Ch c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
os.Put(static_cast<typename OutputByteStream::Ch>(c));
}
};
///////////////////////////////////////////////////////////////////////////////
// AutoUTF
//! Runtime-specified UTF encoding type of a stream.
enum UTFType {
kUTF8 = 0, //!< UTF-8.
kUTF16LE = 1, //!< UTF-16 little endian.
kUTF16BE = 2, //!< UTF-16 big endian.
kUTF32LE = 3, //!< UTF-32 little endian.
kUTF32BE = 4 //!< UTF-32 big endian.
};
//! Dynamically select encoding according to stream's runtime-specified UTF encoding type.
/*! \note This class can be used with AutoUTFInputtStream and AutoUTFOutputStream, which provides GetType().
*/
template<typename CharType>
struct AutoUTF {
typedef CharType Ch;
enum { supportUnicode = 1 };
#define RAPIDJSON_ENCODINGS_FUNC(x) UTF8<Ch>::x, UTF16LE<Ch>::x, UTF16BE<Ch>::x, UTF32LE<Ch>::x, UTF32BE<Ch>::x
template<typename OutputStream>
static RAPIDJSON_FORCEINLINE void Encode(OutputStream& os, unsigned codepoint) {
typedef void (*EncodeFunc)(OutputStream&, unsigned);
static const EncodeFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Encode) };
(*f[os.GetType()])(os, codepoint);
}
template<typename OutputStream>
static RAPIDJSON_FORCEINLINE void EncodeUnsafe(OutputStream& os, unsigned codepoint) {
typedef void (*EncodeFunc)(OutputStream&, unsigned);
static const EncodeFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(EncodeUnsafe) };
(*f[os.GetType()])(os, codepoint);
}
template <typename InputStream>
static RAPIDJSON_FORCEINLINE bool Decode(InputStream& is, unsigned* codepoint) {
typedef bool (*DecodeFunc)(InputStream&, unsigned*);
static const DecodeFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Decode) };
return (*f[is.GetType()])(is, codepoint);
}
template <typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Validate(InputStream& is, OutputStream& os) {
typedef bool (*ValidateFunc)(InputStream&, OutputStream&);
static const ValidateFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Validate) };
return (*f[is.GetType()])(is, os);
}
#undef RAPIDJSON_ENCODINGS_FUNC
};
///////////////////////////////////////////////////////////////////////////////
// Transcoder
//! Encoding conversion.
template<typename SourceEncoding, typename TargetEncoding>
struct Transcoder {
//! Take one Unicode codepoint from source encoding, convert it to target encoding and put it to the output stream.
template<typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Transcode(InputStream& is, OutputStream& os) {
unsigned codepoint;
if (!SourceEncoding::Decode(is, &codepoint))
return false;
TargetEncoding::Encode(os, codepoint);
return true;
}
template<typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool TranscodeUnsafe(InputStream& is, OutputStream& os) {
unsigned codepoint;
if (!SourceEncoding::Decode(is, &codepoint))
return false;
TargetEncoding::EncodeUnsafe(os, codepoint);
return true;
}
//! Validate one Unicode codepoint from an encoded stream.
template<typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Validate(InputStream& is, OutputStream& os) {
return Transcode(is, os); // Since source/target encoding is different, must transcode.
}
};
// Forward declaration.
template<typename Stream>
inline void PutUnsafe(Stream& stream, typename Stream::Ch c);
//! Specialization of Transcoder with same source and target encoding.
template<typename Encoding>
struct Transcoder<Encoding, Encoding> {
template<typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Transcode(InputStream& is, OutputStream& os) {
os.Put(is.Take()); // Just copy one code unit. This semantic is different from primary template class.
return true;
}
template<typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool TranscodeUnsafe(InputStream& is, OutputStream& os) {
PutUnsafe(os, is.Take()); // Just copy one code unit. This semantic is different from primary template class.
return true;
}
template<typename InputStream, typename OutputStream>
static RAPIDJSON_FORCEINLINE bool Validate(InputStream& is, OutputStream& os) {
return Encoding::Validate(is, os); // source/target encoding are the same
}
};
RAPIDJSON_NAMESPACE_END
#if defined(__GNUC__) || (defined(_MSC_VER) && !defined(__clang__))
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_ENCODINGS_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ERROR_EN_H_
#define RAPIDJSON_ERROR_EN_H_
#include "lottie_rapidjson_error_error.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(switch-enum)
RAPIDJSON_DIAG_OFF(covered-switch-default)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Maps error code of parsing into error message.
/*!
\ingroup RAPIDJSON_ERRORS
\param parseErrorCode Error code obtained in parsing.
\return the error message.
\note User can make a copy of this function for localization.
Using switch-case is safer for future modification of error codes.
*/
inline const RAPIDJSON_ERROR_CHARTYPE* GetParseError_En(ParseErrorCode parseErrorCode) {
switch (parseErrorCode) {
case kParseErrorNone: return RAPIDJSON_ERROR_STRING("No error.");
case kParseErrorDocumentEmpty: return RAPIDJSON_ERROR_STRING("The document is empty.");
case kParseErrorDocumentRootNotSingular: return RAPIDJSON_ERROR_STRING("The document root must not be followed by other values.");
case kParseErrorValueInvalid: return RAPIDJSON_ERROR_STRING("Invalid value.");
case kParseErrorObjectMissName: return RAPIDJSON_ERROR_STRING("Missing a name for object member.");
case kParseErrorObjectMissColon: return RAPIDJSON_ERROR_STRING("Missing a colon after a name of object member.");
case kParseErrorObjectMissCommaOrCurlyBracket: return RAPIDJSON_ERROR_STRING("Missing a comma or '}' after an object member.");
case kParseErrorArrayMissCommaOrSquareBracket: return RAPIDJSON_ERROR_STRING("Missing a comma or ']' after an array element.");
case kParseErrorStringUnicodeEscapeInvalidHex: return RAPIDJSON_ERROR_STRING("Incorrect hex digit after \\u escape in string.");
case kParseErrorStringUnicodeSurrogateInvalid: return RAPIDJSON_ERROR_STRING("The surrogate pair in string is invalid.");
case kParseErrorStringEscapeInvalid: return RAPIDJSON_ERROR_STRING("Invalid escape character in string.");
case kParseErrorStringMissQuotationMark: return RAPIDJSON_ERROR_STRING("Missing a closing quotation mark in string.");
case kParseErrorStringInvalidEncoding: return RAPIDJSON_ERROR_STRING("Invalid encoding in string.");
case kParseErrorNumberTooBig: return RAPIDJSON_ERROR_STRING("Number too big to be stored in double.");
case kParseErrorNumberMissFraction: return RAPIDJSON_ERROR_STRING("Miss fraction part in number.");
case kParseErrorNumberMissExponent: return RAPIDJSON_ERROR_STRING("Miss exponent in number.");
case kParseErrorTermination: return RAPIDJSON_ERROR_STRING("Terminate parsing due to Handler error.");
case kParseErrorUnspecificSyntaxError: return RAPIDJSON_ERROR_STRING("Unspecific syntax error.");
default: return RAPIDJSON_ERROR_STRING("Unknown error.");
}
}
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_ERROR_EN_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ERROR_ERROR_H_
#define RAPIDJSON_ERROR_ERROR_H_
#include "lottie_rapidjson_rapidjson.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#endif
/*! \file error.h */
/*! \defgroup RAPIDJSON_ERRORS RapidJSON error handling */
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ERROR_CHARTYPE
//! Character type of error messages.
/*! \ingroup RAPIDJSON_ERRORS
The default character type is \c char.
On Windows, user can define this macro as \c TCHAR for supporting both
unicode/non-unicode settings.
*/
#ifndef RAPIDJSON_ERROR_CHARTYPE
#define RAPIDJSON_ERROR_CHARTYPE char
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ERROR_STRING
//! Macro for converting string literial to \ref RAPIDJSON_ERROR_CHARTYPE[].
/*! \ingroup RAPIDJSON_ERRORS
By default this conversion macro does nothing.
On Windows, user can define this macro as \c _T(x) for supporting both
unicode/non-unicode settings.
*/
#ifndef RAPIDJSON_ERROR_STRING
#define RAPIDJSON_ERROR_STRING(x) x
#endif
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// ParseErrorCode
//! Error code of parsing.
/*! \ingroup RAPIDJSON_ERRORS
\see GenericReader::Parse, GenericReader::GetParseErrorCode
*/
enum ParseErrorCode {
kParseErrorNone = 0, //!< No error.
kParseErrorDocumentEmpty, //!< The document is empty.
kParseErrorDocumentRootNotSingular, //!< The document root must not follow by other values.
kParseErrorValueInvalid, //!< Invalid value.
kParseErrorObjectMissName, //!< Missing a name for object member.
kParseErrorObjectMissColon, //!< Missing a colon after a name of object member.
kParseErrorObjectMissCommaOrCurlyBracket, //!< Missing a comma or '}' after an object member.
kParseErrorArrayMissCommaOrSquareBracket, //!< Missing a comma or ']' after an array element.
kParseErrorStringUnicodeEscapeInvalidHex, //!< Incorrect hex digit after \\u escape in string.
kParseErrorStringUnicodeSurrogateInvalid, //!< The surrogate pair in string is invalid.
kParseErrorStringEscapeInvalid, //!< Invalid escape character in string.
kParseErrorStringMissQuotationMark, //!< Missing a closing quotation mark in string.
kParseErrorStringInvalidEncoding, //!< Invalid encoding in string.
kParseErrorNumberTooBig, //!< Number too big to be stored in double.
kParseErrorNumberMissFraction, //!< Miss fraction part in number.
kParseErrorNumberMissExponent, //!< Miss exponent in number.
kParseErrorTermination, //!< Parsing was terminated.
kParseErrorUnspecificSyntaxError //!< Unspecific syntax error.
};
//! Result of parsing (wraps ParseErrorCode)
/*!
\ingroup RAPIDJSON_ERRORS
\code
Document doc;
ParseResult ok = doc.Parse("[42]");
if (!ok) {
fprintf(stderr, "JSON parse error: %s (%u)",
GetParseError_En(ok.Code()), ok.Offset());
exit(EXIT_FAILURE);
}
\endcode
\see GenericReader::Parse, GenericDocument::Parse
*/
struct ParseResult {
//!! Unspecified boolean type
typedef bool (ParseResult::*BooleanType)() const;
public:
//! Default constructor, no error.
ParseResult() : code_(kParseErrorNone), offset_(0) {}
//! Constructor to set an error.
ParseResult(ParseErrorCode code, size_t offset) : code_(code), offset_(offset) {}
//! Get the error code.
ParseErrorCode Code() const { return code_; }
//! Get the error offset, if \ref IsError(), 0 otherwise.
size_t Offset() const { return offset_; }
//! Explicit conversion to \c bool, returns \c true, iff !\ref IsError().
operator BooleanType() const { return !IsError() ? &ParseResult::IsError : NULL; }
//! Whether the result is an error.
bool IsError() const { return code_ != kParseErrorNone; }
bool operator==(const ParseResult& that) const { return code_ == that.code_; }
bool operator==(ParseErrorCode code) const { return code_ == code; }
friend bool operator==(ParseErrorCode code, const ParseResult & err) { return code == err.code_; }
bool operator!=(const ParseResult& that) const { return !(*this == that); }
bool operator!=(ParseErrorCode code) const { return !(*this == code); }
friend bool operator!=(ParseErrorCode code, const ParseResult & err) { return err != code; }
//! Reset error code.
void Clear() { Set(kParseErrorNone); }
//! Update error code and offset.
void Set(ParseErrorCode code, size_t offset = 0) { code_ = code; offset_ = offset; }
private:
ParseErrorCode code_;
size_t offset_;
};
//! Function pointer type of GetParseError().
/*! \ingroup RAPIDJSON_ERRORS
This is the prototype for \c GetParseError_X(), where \c X is a locale.
User can dynamically change locale in runtime, e.g.:
\code
GetParseErrorFunc GetParseError = GetParseError_En; // or whatever
const RAPIDJSON_ERROR_CHARTYPE* s = GetParseError(document.GetParseErrorCode());
\endcode
*/
typedef const RAPIDJSON_ERROR_CHARTYPE* (*GetParseErrorFunc)(ParseErrorCode);
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_ERROR_ERROR_H_

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vendor/github.com/Benau/go_rlottie/lottie_rapidjson_filereadstream.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_FILEREADSTREAM_H_
#define RAPIDJSON_FILEREADSTREAM_H_
#include "lottie_rapidjson_stream.h"
#include <cstdio>
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
RAPIDJSON_DIAG_OFF(unreachable-code)
RAPIDJSON_DIAG_OFF(missing-noreturn)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! File byte stream for input using fread().
/*!
\note implements Stream concept
*/
class FileReadStream {
public:
typedef char Ch; //!< Character type (byte).
//! Constructor.
/*!
\param fp File pointer opened for read.
\param buffer user-supplied buffer.
\param bufferSize size of buffer in bytes. Must >=4 bytes.
*/
FileReadStream(std::FILE* fp, char* buffer, size_t bufferSize) : fp_(fp), buffer_(buffer), bufferSize_(bufferSize), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) {
RAPIDJSON_ASSERT(fp_ != 0);
RAPIDJSON_ASSERT(bufferSize >= 4);
Read();
}
Ch Peek() const { return *current_; }
Ch Take() { Ch c = *current_; Read(); return c; }
size_t Tell() const { return count_ + static_cast<size_t>(current_ - buffer_); }
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
// For encoding detection only.
const Ch* Peek4() const {
return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0;
}
private:
void Read() {
if (current_ < bufferLast_)
++current_;
else if (!eof_) {
count_ += readCount_;
readCount_ = std::fread(buffer_, 1, bufferSize_, fp_);
bufferLast_ = buffer_ + readCount_ - 1;
current_ = buffer_;
if (readCount_ < bufferSize_) {
buffer_[readCount_] = '\0';
++bufferLast_;
eof_ = true;
}
}
}
std::FILE* fp_;
Ch *buffer_;
size_t bufferSize_;
Ch *bufferLast_;
Ch *current_;
size_t readCount_;
size_t count_; //!< Number of characters read
bool eof_;
};
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_FILESTREAM_H_

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vendor/github.com/Benau/go_rlottie/lottie_rapidjson_filewritestream.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_FILEWRITESTREAM_H_
#define RAPIDJSON_FILEWRITESTREAM_H_
#include "lottie_rapidjson_stream.h"
#include <cstdio>
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(unreachable-code)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Wrapper of C file stream for output using fwrite().
/*!
\note implements Stream concept
*/
class FileWriteStream {
public:
typedef char Ch; //!< Character type. Only support char.
FileWriteStream(std::FILE* fp, char* buffer, size_t bufferSize) : fp_(fp), buffer_(buffer), bufferEnd_(buffer + bufferSize), current_(buffer_) {
RAPIDJSON_ASSERT(fp_ != 0);
}
void Put(char c) {
if (current_ >= bufferEnd_)
Flush();
*current_++ = c;
}
void PutN(char c, size_t n) {
size_t avail = static_cast<size_t>(bufferEnd_ - current_);
while (n > avail) {
std::memset(current_, c, avail);
current_ += avail;
Flush();
n -= avail;
avail = static_cast<size_t>(bufferEnd_ - current_);
}
if (n > 0) {
std::memset(current_, c, n);
current_ += n;
}
}
void Flush() {
if (current_ != buffer_) {
size_t result = std::fwrite(buffer_, 1, static_cast<size_t>(current_ - buffer_), fp_);
if (result < static_cast<size_t>(current_ - buffer_)) {
// failure deliberately ignored at this time
// added to avoid warn_unused_result build errors
}
current_ = buffer_;
}
}
// Not implemented
char Peek() const { RAPIDJSON_ASSERT(false); return 0; }
char Take() { RAPIDJSON_ASSERT(false); return 0; }
size_t Tell() const { RAPIDJSON_ASSERT(false); return 0; }
char* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
size_t PutEnd(char*) { RAPIDJSON_ASSERT(false); return 0; }
private:
// Prohibit copy constructor & assignment operator.
FileWriteStream(const FileWriteStream&);
FileWriteStream& operator=(const FileWriteStream&);
std::FILE* fp_;
char *buffer_;
char *bufferEnd_;
char *current_;
};
//! Implement specialized version of PutN() with memset() for better performance.
template<>
inline void PutN(FileWriteStream& stream, char c, size_t n) {
stream.PutN(c, n);
}
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_FILESTREAM_H_

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vendor/github.com/Benau/go_rlottie/lottie_rapidjson_fwd.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_FWD_H_
#define RAPIDJSON_FWD_H_
#include "lottie_rapidjson_rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
// encodings.h
template<typename CharType> struct UTF8;
template<typename CharType> struct UTF16;
template<typename CharType> struct UTF16BE;
template<typename CharType> struct UTF16LE;
template<typename CharType> struct UTF32;
template<typename CharType> struct UTF32BE;
template<typename CharType> struct UTF32LE;
template<typename CharType> struct ASCII;
template<typename CharType> struct AutoUTF;
template<typename SourceEncoding, typename TargetEncoding>
struct Transcoder;
// allocators.h
class CrtAllocator;
template <typename BaseAllocator>
class MemoryPoolAllocator;
// stream.h
template <typename Encoding>
struct GenericStringStream;
typedef GenericStringStream<UTF8<char> > StringStream;
template <typename Encoding>
struct GenericInsituStringStream;
typedef GenericInsituStringStream<UTF8<char> > InsituStringStream;
// stringbuffer.h
template <typename Encoding, typename Allocator>
class GenericStringBuffer;
typedef GenericStringBuffer<UTF8<char>, CrtAllocator> StringBuffer;
// filereadstream.h
class FileReadStream;
// filewritestream.h
class FileWriteStream;
// memorybuffer.h
template <typename Allocator>
struct GenericMemoryBuffer;
typedef GenericMemoryBuffer<CrtAllocator> MemoryBuffer;
// memorystream.h
struct MemoryStream;
// reader.h
template<typename Encoding, typename Derived>
struct BaseReaderHandler;
template <typename SourceEncoding, typename TargetEncoding, typename StackAllocator>
class GenericReader;
typedef GenericReader<UTF8<char>, UTF8<char>, CrtAllocator> Reader;
// writer.h
template<typename OutputStream, typename SourceEncoding, typename TargetEncoding, typename StackAllocator, unsigned writeFlags>
class Writer;
// prettywriter.h
template<typename OutputStream, typename SourceEncoding, typename TargetEncoding, typename StackAllocator, unsigned writeFlags>
class PrettyWriter;
// document.h
template <typename Encoding, typename Allocator>
class GenericMember;
template <bool Const, typename Encoding, typename Allocator>
class GenericMemberIterator;
template<typename CharType>
struct GenericStringRef;
template <typename Encoding, typename Allocator>
class GenericValue;
typedef GenericValue<UTF8<char>, MemoryPoolAllocator<CrtAllocator> > Value;
template <typename Encoding, typename Allocator, typename StackAllocator>
class GenericDocument;
typedef GenericDocument<UTF8<char>, MemoryPoolAllocator<CrtAllocator>, CrtAllocator> Document;
// pointer.h
template <typename ValueType, typename Allocator>
class GenericPointer;
typedef GenericPointer<Value, CrtAllocator> Pointer;
// schema.h
template <typename SchemaDocumentType>
class IGenericRemoteSchemaDocumentProvider;
template <typename ValueT, typename Allocator>
class GenericSchemaDocument;
typedef GenericSchemaDocument<Value, CrtAllocator> SchemaDocument;
typedef IGenericRemoteSchemaDocumentProvider<SchemaDocument> IRemoteSchemaDocumentProvider;
template <
typename SchemaDocumentType,
typename OutputHandler,
typename StateAllocator>
class GenericSchemaValidator;
typedef GenericSchemaValidator<SchemaDocument, BaseReaderHandler<UTF8<char>, void>, CrtAllocator> SchemaValidator;
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_RAPIDJSONFWD_H_

290
vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_biginteger.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_BIGINTEGER_H_
#define RAPIDJSON_BIGINTEGER_H_
#include "lottie_rapidjson_rapidjson.h"
#if defined(_MSC_VER) && !defined(__INTEL_COMPILER) && defined(_M_AMD64)
#include <intrin.h> // for _umul128
#pragma intrinsic(_umul128)
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
class BigInteger {
public:
typedef uint64_t Type;
BigInteger(const BigInteger& rhs) : count_(rhs.count_) {
std::memcpy(digits_, rhs.digits_, count_ * sizeof(Type));
}
explicit BigInteger(uint64_t u) : count_(1) {
digits_[0] = u;
}
BigInteger(const char* decimals, size_t length) : count_(1) {
RAPIDJSON_ASSERT(length > 0);
digits_[0] = 0;
size_t i = 0;
const size_t kMaxDigitPerIteration = 19; // 2^64 = 18446744073709551616 > 10^19
while (length >= kMaxDigitPerIteration) {
AppendDecimal64(decimals + i, decimals + i + kMaxDigitPerIteration);
length -= kMaxDigitPerIteration;
i += kMaxDigitPerIteration;
}
if (length > 0)
AppendDecimal64(decimals + i, decimals + i + length);
}
BigInteger& operator=(const BigInteger &rhs)
{
if (this != &rhs) {
count_ = rhs.count_;
std::memcpy(digits_, rhs.digits_, count_ * sizeof(Type));
}
return *this;
}
BigInteger& operator=(uint64_t u) {
digits_[0] = u;
count_ = 1;
return *this;
}
BigInteger& operator+=(uint64_t u) {
Type backup = digits_[0];
digits_[0] += u;
for (size_t i = 0; i < count_ - 1; i++) {
if (digits_[i] >= backup)
return *this; // no carry
backup = digits_[i + 1];
digits_[i + 1] += 1;
}
// Last carry
if (digits_[count_ - 1] < backup)
PushBack(1);
return *this;
}
BigInteger& operator*=(uint64_t u) {
if (u == 0) return *this = 0;
if (u == 1) return *this;
if (*this == 1) return *this = u;
uint64_t k = 0;
for (size_t i = 0; i < count_; i++) {
uint64_t hi;
digits_[i] = MulAdd64(digits_[i], u, k, &hi);
k = hi;
}
if (k > 0)
PushBack(k);
return *this;
}
BigInteger& operator*=(uint32_t u) {
if (u == 0) return *this = 0;
if (u == 1) return *this;
if (*this == 1) return *this = u;
uint64_t k = 0;
for (size_t i = 0; i < count_; i++) {
const uint64_t c = digits_[i] >> 32;
const uint64_t d = digits_[i] & 0xFFFFFFFF;
const uint64_t uc = u * c;
const uint64_t ud = u * d;
const uint64_t p0 = ud + k;
const uint64_t p1 = uc + (p0 >> 32);
digits_[i] = (p0 & 0xFFFFFFFF) | (p1 << 32);
k = p1 >> 32;
}
if (k > 0)
PushBack(k);
return *this;
}
BigInteger& operator<<=(size_t shift) {
if (IsZero() || shift == 0) return *this;
size_t offset = shift / kTypeBit;
size_t interShift = shift % kTypeBit;
RAPIDJSON_ASSERT(count_ + offset <= kCapacity);
if (interShift == 0) {
std::memmove(digits_ + offset, digits_, count_ * sizeof(Type));
count_ += offset;
}
else {
digits_[count_] = 0;
for (size_t i = count_; i > 0; i--)
digits_[i + offset] = (digits_[i] << interShift) | (digits_[i - 1] >> (kTypeBit - interShift));
digits_[offset] = digits_[0] << interShift;
count_ += offset;
if (digits_[count_])
count_++;
}
std::memset(digits_, 0, offset * sizeof(Type));
return *this;
}
bool operator==(const BigInteger& rhs) const {
return count_ == rhs.count_ && std::memcmp(digits_, rhs.digits_, count_ * sizeof(Type)) == 0;
}
bool operator==(const Type rhs) const {
return count_ == 1 && digits_[0] == rhs;
}
BigInteger& MultiplyPow5(unsigned exp) {
static const uint32_t kPow5[12] = {
5,
5 * 5,
5 * 5 * 5,
5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5,
5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5
};
if (exp == 0) return *this;
for (; exp >= 27; exp -= 27) *this *= RAPIDJSON_UINT64_C2(0X6765C793, 0XFA10079D); // 5^27
for (; exp >= 13; exp -= 13) *this *= static_cast<uint32_t>(1220703125u); // 5^13
if (exp > 0) *this *= kPow5[exp - 1];
return *this;
}
// Compute absolute difference of this and rhs.
// Assume this != rhs
bool Difference(const BigInteger& rhs, BigInteger* out) const {
int cmp = Compare(rhs);
RAPIDJSON_ASSERT(cmp != 0);
const BigInteger *a, *b; // Makes a > b
bool ret;
if (cmp < 0) { a = &rhs; b = this; ret = true; }
else { a = this; b = &rhs; ret = false; }
Type borrow = 0;
for (size_t i = 0; i < a->count_; i++) {
Type d = a->digits_[i] - borrow;
if (i < b->count_)
d -= b->digits_[i];
borrow = (d > a->digits_[i]) ? 1 : 0;
out->digits_[i] = d;
if (d != 0)
out->count_ = i + 1;
}
return ret;
}
int Compare(const BigInteger& rhs) const {
if (count_ != rhs.count_)
return count_ < rhs.count_ ? -1 : 1;
for (size_t i = count_; i-- > 0;)
if (digits_[i] != rhs.digits_[i])
return digits_[i] < rhs.digits_[i] ? -1 : 1;
return 0;
}
size_t GetCount() const { return count_; }
Type GetDigit(size_t index) const { RAPIDJSON_ASSERT(index < count_); return digits_[index]; }
bool IsZero() const { return count_ == 1 && digits_[0] == 0; }
private:
void AppendDecimal64(const char* begin, const char* end) {
uint64_t u = ParseUint64(begin, end);
if (IsZero())
*this = u;
else {
unsigned exp = static_cast<unsigned>(end - begin);
(MultiplyPow5(exp) <<= exp) += u; // *this = *this * 10^exp + u
}
}
void PushBack(Type digit) {
RAPIDJSON_ASSERT(count_ < kCapacity);
digits_[count_++] = digit;
}
static uint64_t ParseUint64(const char* begin, const char* end) {
uint64_t r = 0;
for (const char* p = begin; p != end; ++p) {
RAPIDJSON_ASSERT(*p >= '0' && *p <= '9');
r = r * 10u + static_cast<unsigned>(*p - '0');
}
return r;
}
// Assume a * b + k < 2^128
static uint64_t MulAdd64(uint64_t a, uint64_t b, uint64_t k, uint64_t* outHigh) {
#if defined(_MSC_VER) && defined(_M_AMD64)
uint64_t low = _umul128(a, b, outHigh) + k;
if (low < k)
(*outHigh)++;
return low;
#elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) && defined(__x86_64__)
__extension__ typedef unsigned __int128 uint128;
uint128 p = static_cast<uint128>(a) * static_cast<uint128>(b);
p += k;
*outHigh = static_cast<uint64_t>(p >> 64);
return static_cast<uint64_t>(p);
#else
const uint64_t a0 = a & 0xFFFFFFFF, a1 = a >> 32, b0 = b & 0xFFFFFFFF, b1 = b >> 32;
uint64_t x0 = a0 * b0, x1 = a0 * b1, x2 = a1 * b0, x3 = a1 * b1;
x1 += (x0 >> 32); // can't give carry
x1 += x2;
if (x1 < x2)
x3 += (static_cast<uint64_t>(1) << 32);
uint64_t lo = (x1 << 32) + (x0 & 0xFFFFFFFF);
uint64_t hi = x3 + (x1 >> 32);
lo += k;
if (lo < k)
hi++;
*outHigh = hi;
return lo;
#endif
}
static const size_t kBitCount = 3328; // 64bit * 54 > 10^1000
static const size_t kCapacity = kBitCount / sizeof(Type);
static const size_t kTypeBit = sizeof(Type) * 8;
Type digits_[kCapacity];
size_t count_;
};
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_BIGINTEGER_H_

71
vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_clzll.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_CLZLL_H_
#define RAPIDJSON_CLZLL_H_
#include "lottie_rapidjson_rapidjson.h"
#if defined(_MSC_VER) && !defined(UNDER_CE)
#include <intrin.h>
#if defined(_WIN64)
#pragma intrinsic(_BitScanReverse64)
#else
#pragma intrinsic(_BitScanReverse)
#endif
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
inline uint32_t clzll(uint64_t x) {
// Passing 0 to __builtin_clzll is UB in GCC and results in an
// infinite loop in the software implementation.
RAPIDJSON_ASSERT(x != 0);
#if defined(_MSC_VER) && !defined(UNDER_CE)
unsigned long r = 0;
#if defined(_WIN64)
_BitScanReverse64(&r, x);
#else
// Scan the high 32 bits.
if (_BitScanReverse(&r, static_cast<uint32_t>(x >> 32)))
return 63 - (r + 32);
// Scan the low 32 bits.
_BitScanReverse(&r, static_cast<uint32_t>(x & 0xFFFFFFFF));
#endif // _WIN64
return 63 - r;
#elif (defined(__GNUC__) && __GNUC__ >= 4) || RAPIDJSON_HAS_BUILTIN(__builtin_clzll)
// __builtin_clzll wrapper
return static_cast<uint32_t>(__builtin_clzll(x));
#else
// naive version
uint32_t r = 0;
while (!(x & (static_cast<uint64_t>(1) << 63))) {
x <<= 1;
++r;
}
return r;
#endif // _MSC_VER
}
#define RAPIDJSON_CLZLL RAPIDJSON_NAMESPACE::internal::clzll
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_CLZLL_H_

257
vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_diyfp.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
// This is a C++ header-only implementation of Grisu2 algorithm from the publication:
// Loitsch, Florian. "Printing floating-point numbers quickly and accurately with
// integers." ACM Sigplan Notices 45.6 (2010): 233-243.
#ifndef RAPIDJSON_DIYFP_H_
#define RAPIDJSON_DIYFP_H_
#include "lottie_rapidjson_rapidjson.h"
#include "lottie_rapidjson_internal_clzll.h"
#include <limits>
#if defined(_MSC_VER) && defined(_M_AMD64) && !defined(__INTEL_COMPILER)
#include <intrin.h>
#pragma intrinsic(_umul128)
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#endif
struct DiyFp {
DiyFp() : f(), e() {}
DiyFp(uint64_t fp, int exp) : f(fp), e(exp) {}
explicit DiyFp(double d) {
union {
double d;
uint64_t u64;
} u = { d };
int biased_e = static_cast<int>((u.u64 & kDpExponentMask) >> kDpSignificandSize);
uint64_t significand = (u.u64 & kDpSignificandMask);
if (biased_e != 0) {
f = significand + kDpHiddenBit;
e = biased_e - kDpExponentBias;
}
else {
f = significand;
e = kDpMinExponent + 1;
}
}
DiyFp operator-(const DiyFp& rhs) const {
return DiyFp(f - rhs.f, e);
}
DiyFp operator*(const DiyFp& rhs) const {
#if defined(_MSC_VER) && defined(_M_AMD64)
uint64_t h;
uint64_t l = _umul128(f, rhs.f, &h);
if (l & (uint64_t(1) << 63)) // rounding
h++;
return DiyFp(h, e + rhs.e + 64);
#elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) && defined(__x86_64__)
__extension__ typedef unsigned __int128 uint128;
uint128 p = static_cast<uint128>(f) * static_cast<uint128>(rhs.f);
uint64_t h = static_cast<uint64_t>(p >> 64);
uint64_t l = static_cast<uint64_t>(p);
if (l & (uint64_t(1) << 63)) // rounding
h++;
return DiyFp(h, e + rhs.e + 64);
#else
const uint64_t M32 = 0xFFFFFFFF;
const uint64_t a = f >> 32;
const uint64_t b = f & M32;
const uint64_t c = rhs.f >> 32;
const uint64_t d = rhs.f & M32;
const uint64_t ac = a * c;
const uint64_t bc = b * c;
const uint64_t ad = a * d;
const uint64_t bd = b * d;
uint64_t tmp = (bd >> 32) + (ad & M32) + (bc & M32);
tmp += 1U << 31; /// mult_round
return DiyFp(ac + (ad >> 32) + (bc >> 32) + (tmp >> 32), e + rhs.e + 64);
#endif
}
DiyFp Normalize() const {
int s = static_cast<int>(clzll(f));
return DiyFp(f << s, e - s);
}
DiyFp NormalizeBoundary() const {
DiyFp res = *this;
while (!(res.f & (kDpHiddenBit << 1))) {
res.f <<= 1;
res.e--;
}
res.f <<= (kDiySignificandSize - kDpSignificandSize - 2);
res.e = res.e - (kDiySignificandSize - kDpSignificandSize - 2);
return res;
}
void NormalizedBoundaries(DiyFp* minus, DiyFp* plus) const {
DiyFp pl = DiyFp((f << 1) + 1, e - 1).NormalizeBoundary();
DiyFp mi = (f == kDpHiddenBit) ? DiyFp((f << 2) - 1, e - 2) : DiyFp((f << 1) - 1, e - 1);
mi.f <<= mi.e - pl.e;
mi.e = pl.e;
*plus = pl;
*minus = mi;
}
double ToDouble() const {
union {
double d;
uint64_t u64;
}u;
RAPIDJSON_ASSERT(f <= kDpHiddenBit + kDpSignificandMask);
if (e < kDpDenormalExponent) {
// Underflow.
return 0.0;
}
if (e >= kDpMaxExponent) {
// Overflow.
return std::numeric_limits<double>::infinity();
}
const uint64_t be = (e == kDpDenormalExponent && (f & kDpHiddenBit) == 0) ? 0 :
static_cast<uint64_t>(e + kDpExponentBias);
u.u64 = (f & kDpSignificandMask) | (be << kDpSignificandSize);
return u.d;
}
static const int kDiySignificandSize = 64;
static const int kDpSignificandSize = 52;
static const int kDpExponentBias = 0x3FF + kDpSignificandSize;
static const int kDpMaxExponent = 0x7FF - kDpExponentBias;
static const int kDpMinExponent = -kDpExponentBias;
static const int kDpDenormalExponent = -kDpExponentBias + 1;
static const uint64_t kDpExponentMask = RAPIDJSON_UINT64_C2(0x7FF00000, 0x00000000);
static const uint64_t kDpSignificandMask = RAPIDJSON_UINT64_C2(0x000FFFFF, 0xFFFFFFFF);
static const uint64_t kDpHiddenBit = RAPIDJSON_UINT64_C2(0x00100000, 0x00000000);
uint64_t f;
int e;
};
inline DiyFp GetCachedPowerByIndex(size_t index) {
// 10^-348, 10^-340, ..., 10^340
static const uint64_t kCachedPowers_F[] = {
RAPIDJSON_UINT64_C2(0xfa8fd5a0, 0x081c0288), RAPIDJSON_UINT64_C2(0xbaaee17f, 0xa23ebf76),
RAPIDJSON_UINT64_C2(0x8b16fb20, 0x3055ac76), RAPIDJSON_UINT64_C2(0xcf42894a, 0x5dce35ea),
RAPIDJSON_UINT64_C2(0x9a6bb0aa, 0x55653b2d), RAPIDJSON_UINT64_C2(0xe61acf03, 0x3d1a45df),
RAPIDJSON_UINT64_C2(0xab70fe17, 0xc79ac6ca), RAPIDJSON_UINT64_C2(0xff77b1fc, 0xbebcdc4f),
RAPIDJSON_UINT64_C2(0xbe5691ef, 0x416bd60c), RAPIDJSON_UINT64_C2(0x8dd01fad, 0x907ffc3c),
RAPIDJSON_UINT64_C2(0xd3515c28, 0x31559a83), RAPIDJSON_UINT64_C2(0x9d71ac8f, 0xada6c9b5),
RAPIDJSON_UINT64_C2(0xea9c2277, 0x23ee8bcb), RAPIDJSON_UINT64_C2(0xaecc4991, 0x4078536d),
RAPIDJSON_UINT64_C2(0x823c1279, 0x5db6ce57), RAPIDJSON_UINT64_C2(0xc2109436, 0x4dfb5637),
RAPIDJSON_UINT64_C2(0x9096ea6f, 0x3848984f), RAPIDJSON_UINT64_C2(0xd77485cb, 0x25823ac7),
RAPIDJSON_UINT64_C2(0xa086cfcd, 0x97bf97f4), RAPIDJSON_UINT64_C2(0xef340a98, 0x172aace5),
RAPIDJSON_UINT64_C2(0xb23867fb, 0x2a35b28e), RAPIDJSON_UINT64_C2(0x84c8d4df, 0xd2c63f3b),
RAPIDJSON_UINT64_C2(0xc5dd4427, 0x1ad3cdba), RAPIDJSON_UINT64_C2(0x936b9fce, 0xbb25c996),
RAPIDJSON_UINT64_C2(0xdbac6c24, 0x7d62a584), RAPIDJSON_UINT64_C2(0xa3ab6658, 0x0d5fdaf6),
RAPIDJSON_UINT64_C2(0xf3e2f893, 0xdec3f126), RAPIDJSON_UINT64_C2(0xb5b5ada8, 0xaaff80b8),
RAPIDJSON_UINT64_C2(0x87625f05, 0x6c7c4a8b), RAPIDJSON_UINT64_C2(0xc9bcff60, 0x34c13053),
RAPIDJSON_UINT64_C2(0x964e858c, 0x91ba2655), RAPIDJSON_UINT64_C2(0xdff97724, 0x70297ebd),
RAPIDJSON_UINT64_C2(0xa6dfbd9f, 0xb8e5b88f), RAPIDJSON_UINT64_C2(0xf8a95fcf, 0x88747d94),
RAPIDJSON_UINT64_C2(0xb9447093, 0x8fa89bcf), RAPIDJSON_UINT64_C2(0x8a08f0f8, 0xbf0f156b),
RAPIDJSON_UINT64_C2(0xcdb02555, 0x653131b6), RAPIDJSON_UINT64_C2(0x993fe2c6, 0xd07b7fac),
RAPIDJSON_UINT64_C2(0xe45c10c4, 0x2a2b3b06), RAPIDJSON_UINT64_C2(0xaa242499, 0x697392d3),
RAPIDJSON_UINT64_C2(0xfd87b5f2, 0x8300ca0e), RAPIDJSON_UINT64_C2(0xbce50864, 0x92111aeb),
RAPIDJSON_UINT64_C2(0x8cbccc09, 0x6f5088cc), RAPIDJSON_UINT64_C2(0xd1b71758, 0xe219652c),
RAPIDJSON_UINT64_C2(0x9c400000, 0x00000000), RAPIDJSON_UINT64_C2(0xe8d4a510, 0x00000000),
RAPIDJSON_UINT64_C2(0xad78ebc5, 0xac620000), RAPIDJSON_UINT64_C2(0x813f3978, 0xf8940984),
RAPIDJSON_UINT64_C2(0xc097ce7b, 0xc90715b3), RAPIDJSON_UINT64_C2(0x8f7e32ce, 0x7bea5c70),
RAPIDJSON_UINT64_C2(0xd5d238a4, 0xabe98068), RAPIDJSON_UINT64_C2(0x9f4f2726, 0x179a2245),
RAPIDJSON_UINT64_C2(0xed63a231, 0xd4c4fb27), RAPIDJSON_UINT64_C2(0xb0de6538, 0x8cc8ada8),
RAPIDJSON_UINT64_C2(0x83c7088e, 0x1aab65db), RAPIDJSON_UINT64_C2(0xc45d1df9, 0x42711d9a),
RAPIDJSON_UINT64_C2(0x924d692c, 0xa61be758), RAPIDJSON_UINT64_C2(0xda01ee64, 0x1a708dea),
RAPIDJSON_UINT64_C2(0xa26da399, 0x9aef774a), RAPIDJSON_UINT64_C2(0xf209787b, 0xb47d6b85),
RAPIDJSON_UINT64_C2(0xb454e4a1, 0x79dd1877), RAPIDJSON_UINT64_C2(0x865b8692, 0x5b9bc5c2),
RAPIDJSON_UINT64_C2(0xc83553c5, 0xc8965d3d), RAPIDJSON_UINT64_C2(0x952ab45c, 0xfa97a0b3),
RAPIDJSON_UINT64_C2(0xde469fbd, 0x99a05fe3), RAPIDJSON_UINT64_C2(0xa59bc234, 0xdb398c25),
RAPIDJSON_UINT64_C2(0xf6c69a72, 0xa3989f5c), RAPIDJSON_UINT64_C2(0xb7dcbf53, 0x54e9bece),
RAPIDJSON_UINT64_C2(0x88fcf317, 0xf22241e2), RAPIDJSON_UINT64_C2(0xcc20ce9b, 0xd35c78a5),
RAPIDJSON_UINT64_C2(0x98165af3, 0x7b2153df), RAPIDJSON_UINT64_C2(0xe2a0b5dc, 0x971f303a),
RAPIDJSON_UINT64_C2(0xa8d9d153, 0x5ce3b396), RAPIDJSON_UINT64_C2(0xfb9b7cd9, 0xa4a7443c),
RAPIDJSON_UINT64_C2(0xbb764c4c, 0xa7a44410), RAPIDJSON_UINT64_C2(0x8bab8eef, 0xb6409c1a),
RAPIDJSON_UINT64_C2(0xd01fef10, 0xa657842c), RAPIDJSON_UINT64_C2(0x9b10a4e5, 0xe9913129),
RAPIDJSON_UINT64_C2(0xe7109bfb, 0xa19c0c9d), RAPIDJSON_UINT64_C2(0xac2820d9, 0x623bf429),
RAPIDJSON_UINT64_C2(0x80444b5e, 0x7aa7cf85), RAPIDJSON_UINT64_C2(0xbf21e440, 0x03acdd2d),
RAPIDJSON_UINT64_C2(0x8e679c2f, 0x5e44ff8f), RAPIDJSON_UINT64_C2(0xd433179d, 0x9c8cb841),
RAPIDJSON_UINT64_C2(0x9e19db92, 0xb4e31ba9), RAPIDJSON_UINT64_C2(0xeb96bf6e, 0xbadf77d9),
RAPIDJSON_UINT64_C2(0xaf87023b, 0x9bf0ee6b)
};
static const int16_t kCachedPowers_E[] = {
-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980,
-954, -927, -901, -874, -847, -821, -794, -768, -741, -715,
-688, -661, -635, -608, -582, -555, -529, -502, -475, -449,
-422, -396, -369, -343, -316, -289, -263, -236, -210, -183,
-157, -130, -103, -77, -50, -24, 3, 30, 56, 83,
109, 136, 162, 189, 216, 242, 269, 295, 322, 348,
375, 402, 428, 455, 481, 508, 534, 561, 588, 614,
641, 667, 694, 720, 747, 774, 800, 827, 853, 880,
907, 933, 960, 986, 1013, 1039, 1066
};
RAPIDJSON_ASSERT(index < 87);
return DiyFp(kCachedPowers_F[index], kCachedPowers_E[index]);
}
inline DiyFp GetCachedPower(int e, int* K) {
//int k = static_cast<int>(ceil((-61 - e) * 0.30102999566398114)) + 374;
double dk = (-61 - e) * 0.30102999566398114 + 347; // dk must be positive, so can do ceiling in positive
int k = static_cast<int>(dk);
if (dk - k > 0.0)
k++;
unsigned index = static_cast<unsigned>((k >> 3) + 1);
*K = -(-348 + static_cast<int>(index << 3)); // decimal exponent no need lookup table
return GetCachedPowerByIndex(index);
}
inline DiyFp GetCachedPower10(int exp, int *outExp) {
RAPIDJSON_ASSERT(exp >= -348);
unsigned index = static_cast<unsigned>(exp + 348) / 8u;
*outExp = -348 + static_cast<int>(index) * 8;
return GetCachedPowerByIndex(index);
}
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#ifdef __clang__
RAPIDJSON_DIAG_POP
RAPIDJSON_DIAG_OFF(padded)
#endif
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_DIYFP_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
// This is a C++ header-only implementation of Grisu2 algorithm from the publication:
// Loitsch, Florian. "Printing floating-point numbers quickly and accurately with
// integers." ACM Sigplan Notices 45.6 (2010): 233-243.
#ifndef RAPIDJSON_DTOA_
#define RAPIDJSON_DTOA_
#include "lottie_rapidjson_internal_itoa.h"
#include "lottie_rapidjson_internal_diyfp.h"
#include "lottie_rapidjson_internal_ieee754.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
RAPIDJSON_DIAG_OFF(array-bounds) // some gcc versions generate wrong warnings https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59124
#endif
inline void GrisuRound(char* buffer, int len, uint64_t delta, uint64_t rest, uint64_t ten_kappa, uint64_t wp_w) {
while (rest < wp_w && delta - rest >= ten_kappa &&
(rest + ten_kappa < wp_w || /// closer
wp_w - rest > rest + ten_kappa - wp_w)) {
buffer[len - 1]--;
rest += ten_kappa;
}
}
inline int CountDecimalDigit32(uint32_t n) {
// Simple pure C++ implementation was faster than __builtin_clz version in this situation.
if (n < 10) return 1;
if (n < 100) return 2;
if (n < 1000) return 3;
if (n < 10000) return 4;
if (n < 100000) return 5;
if (n < 1000000) return 6;
if (n < 10000000) return 7;
if (n < 100000000) return 8;
// Will not reach 10 digits in DigitGen()
//if (n < 1000000000) return 9;
//return 10;
return 9;
}
inline void DigitGen(const DiyFp& W, const DiyFp& Mp, uint64_t delta, char* buffer, int* len, int* K) {
static const uint32_t kPow10[] = { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000 };
const DiyFp one(uint64_t(1) << -Mp.e, Mp.e);
const DiyFp wp_w = Mp - W;
uint32_t p1 = static_cast<uint32_t>(Mp.f >> -one.e);
uint64_t p2 = Mp.f & (one.f - 1);
int kappa = CountDecimalDigit32(p1); // kappa in [0, 9]
*len = 0;
while (kappa > 0) {
uint32_t d = 0;
switch (kappa) {
case 9: d = p1 / 100000000; p1 %= 100000000; break;
case 8: d = p1 / 10000000; p1 %= 10000000; break;
case 7: d = p1 / 1000000; p1 %= 1000000; break;
case 6: d = p1 / 100000; p1 %= 100000; break;
case 5: d = p1 / 10000; p1 %= 10000; break;
case 4: d = p1 / 1000; p1 %= 1000; break;
case 3: d = p1 / 100; p1 %= 100; break;
case 2: d = p1 / 10; p1 %= 10; break;
case 1: d = p1; p1 = 0; break;
default:;
}
if (d || *len)
buffer[(*len)++] = static_cast<char>('0' + static_cast<char>(d));
kappa--;
uint64_t tmp = (static_cast<uint64_t>(p1) << -one.e) + p2;
if (tmp <= delta) {
*K += kappa;
GrisuRound(buffer, *len, delta, tmp, static_cast<uint64_t>(kPow10[kappa]) << -one.e, wp_w.f);
return;
}
}
// kappa = 0
for (;;) {
p2 *= 10;
delta *= 10;
char d = static_cast<char>(p2 >> -one.e);
if (d || *len)
buffer[(*len)++] = static_cast<char>('0' + d);
p2 &= one.f - 1;
kappa--;
if (p2 < delta) {
*K += kappa;
int index = -kappa;
GrisuRound(buffer, *len, delta, p2, one.f, wp_w.f * (index < 9 ? kPow10[index] : 0));
return;
}
}
}
inline void Grisu2(double value, char* buffer, int* length, int* K) {
const DiyFp v(value);
DiyFp w_m, w_p;
v.NormalizedBoundaries(&w_m, &w_p);
const DiyFp c_mk = GetCachedPower(w_p.e, K);
const DiyFp W = v.Normalize() * c_mk;
DiyFp Wp = w_p * c_mk;
DiyFp Wm = w_m * c_mk;
Wm.f++;
Wp.f--;
DigitGen(W, Wp, Wp.f - Wm.f, buffer, length, K);
}
inline char* WriteExponent(int K, char* buffer) {
if (K < 0) {
*buffer++ = '-';
K = -K;
}
if (K >= 100) {
*buffer++ = static_cast<char>('0' + static_cast<char>(K / 100));
K %= 100;
const char* d = GetDigitsLut() + K * 2;
*buffer++ = d[0];
*buffer++ = d[1];
}
else if (K >= 10) {
const char* d = GetDigitsLut() + K * 2;
*buffer++ = d[0];
*buffer++ = d[1];
}
else
*buffer++ = static_cast<char>('0' + static_cast<char>(K));
return buffer;
}
inline char* Prettify(char* buffer, int length, int k, int maxDecimalPlaces) {
const int kk = length + k; // 10^(kk-1) <= v < 10^kk
if (0 <= k && kk <= 21) {
// 1234e7 -> 12340000000
for (int i = length; i < kk; i++)
buffer[i] = '0';
buffer[kk] = '.';
buffer[kk + 1] = '0';
return &buffer[kk + 2];
}
else if (0 < kk && kk <= 21) {
// 1234e-2 -> 12.34
std::memmove(&buffer[kk + 1], &buffer[kk], static_cast<size_t>(length - kk));
buffer[kk] = '.';
if (0 > k + maxDecimalPlaces) {
// When maxDecimalPlaces = 2, 1.2345 -> 1.23, 1.102 -> 1.1
// Remove extra trailing zeros (at least one) after truncation.
for (int i = kk + maxDecimalPlaces; i > kk + 1; i--)
if (buffer[i] != '0')
return &buffer[i + 1];
return &buffer[kk + 2]; // Reserve one zero
}
else
return &buffer[length + 1];
}
else if (-6 < kk && kk <= 0) {
// 1234e-6 -> 0.001234
const int offset = 2 - kk;
std::memmove(&buffer[offset], &buffer[0], static_cast<size_t>(length));
buffer[0] = '0';
buffer[1] = '.';
for (int i = 2; i < offset; i++)
buffer[i] = '0';
if (length - kk > maxDecimalPlaces) {
// When maxDecimalPlaces = 2, 0.123 -> 0.12, 0.102 -> 0.1
// Remove extra trailing zeros (at least one) after truncation.
for (int i = maxDecimalPlaces + 1; i > 2; i--)
if (buffer[i] != '0')
return &buffer[i + 1];
return &buffer[3]; // Reserve one zero
}
else
return &buffer[length + offset];
}
else if (kk < -maxDecimalPlaces) {
// Truncate to zero
buffer[0] = '0';
buffer[1] = '.';
buffer[2] = '0';
return &buffer[3];
}
else if (length == 1) {
// 1e30
buffer[1] = 'e';
return WriteExponent(kk - 1, &buffer[2]);
}
else {
// 1234e30 -> 1.234e33
std::memmove(&buffer[2], &buffer[1], static_cast<size_t>(length - 1));
buffer[1] = '.';
buffer[length + 1] = 'e';
return WriteExponent(kk - 1, &buffer[0 + length + 2]);
}
}
inline char* dtoa(double value, char* buffer, int maxDecimalPlaces = 324) {
RAPIDJSON_ASSERT(maxDecimalPlaces >= 1);
Double d(value);
if (d.IsZero()) {
if (d.Sign())
*buffer++ = '-'; // -0.0, Issue #289
buffer[0] = '0';
buffer[1] = '.';
buffer[2] = '0';
return &buffer[3];
}
else {
if (value < 0) {
*buffer++ = '-';
value = -value;
}
int length, K;
Grisu2(value, buffer, &length, &K);
return Prettify(buffer, length, K, maxDecimalPlaces);
}
}
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_DTOA_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_IEEE754_
#define RAPIDJSON_IEEE754_
#include "lottie_rapidjson_rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
class Double {
public:
Double() {}
Double(double d) : d_(d) {}
Double(uint64_t u) : u_(u) {}
double Value() const { return d_; }
uint64_t Uint64Value() const { return u_; }
double NextPositiveDouble() const {
RAPIDJSON_ASSERT(!Sign());
return Double(u_ + 1).Value();
}
bool Sign() const { return (u_ & kSignMask) != 0; }
uint64_t Significand() const { return u_ & kSignificandMask; }
int Exponent() const { return static_cast<int>(((u_ & kExponentMask) >> kSignificandSize) - kExponentBias); }
bool IsNan() const { return (u_ & kExponentMask) == kExponentMask && Significand() != 0; }
bool IsInf() const { return (u_ & kExponentMask) == kExponentMask && Significand() == 0; }
bool IsNanOrInf() const { return (u_ & kExponentMask) == kExponentMask; }
bool IsNormal() const { return (u_ & kExponentMask) != 0 || Significand() == 0; }
bool IsZero() const { return (u_ & (kExponentMask | kSignificandMask)) == 0; }
uint64_t IntegerSignificand() const { return IsNormal() ? Significand() | kHiddenBit : Significand(); }
int IntegerExponent() const { return (IsNormal() ? Exponent() : kDenormalExponent) - kSignificandSize; }
uint64_t ToBias() const { return (u_ & kSignMask) ? ~u_ + 1 : u_ | kSignMask; }
static int EffectiveSignificandSize(int order) {
if (order >= -1021)
return 53;
else if (order <= -1074)
return 0;
else
return order + 1074;
}
private:
static const int kSignificandSize = 52;
static const int kExponentBias = 0x3FF;
static const int kDenormalExponent = 1 - kExponentBias;
static const uint64_t kSignMask = RAPIDJSON_UINT64_C2(0x80000000, 0x00000000);
static const uint64_t kExponentMask = RAPIDJSON_UINT64_C2(0x7FF00000, 0x00000000);
static const uint64_t kSignificandMask = RAPIDJSON_UINT64_C2(0x000FFFFF, 0xFFFFFFFF);
static const uint64_t kHiddenBit = RAPIDJSON_UINT64_C2(0x00100000, 0x00000000);
union {
double d_;
uint64_t u_;
};
};
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_IEEE754_

308
vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_itoa.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ITOA_
#define RAPIDJSON_ITOA_
#include "lottie_rapidjson_rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
inline const char* GetDigitsLut() {
static const char cDigitsLut[200] = {
'0','0','0','1','0','2','0','3','0','4','0','5','0','6','0','7','0','8','0','9',
'1','0','1','1','1','2','1','3','1','4','1','5','1','6','1','7','1','8','1','9',
'2','0','2','1','2','2','2','3','2','4','2','5','2','6','2','7','2','8','2','9',
'3','0','3','1','3','2','3','3','3','4','3','5','3','6','3','7','3','8','3','9',
'4','0','4','1','4','2','4','3','4','4','4','5','4','6','4','7','4','8','4','9',
'5','0','5','1','5','2','5','3','5','4','5','5','5','6','5','7','5','8','5','9',
'6','0','6','1','6','2','6','3','6','4','6','5','6','6','6','7','6','8','6','9',
'7','0','7','1','7','2','7','3','7','4','7','5','7','6','7','7','7','8','7','9',
'8','0','8','1','8','2','8','3','8','4','8','5','8','6','8','7','8','8','8','9',
'9','0','9','1','9','2','9','3','9','4','9','5','9','6','9','7','9','8','9','9'
};
return cDigitsLut;
}
inline char* u32toa(uint32_t value, char* buffer) {
RAPIDJSON_ASSERT(buffer != 0);
const char* cDigitsLut = GetDigitsLut();
if (value < 10000) {
const uint32_t d1 = (value / 100) << 1;
const uint32_t d2 = (value % 100) << 1;
if (value >= 1000)
*buffer++ = cDigitsLut[d1];
if (value >= 100)
*buffer++ = cDigitsLut[d1 + 1];
if (value >= 10)
*buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
}
else if (value < 100000000) {
// value = bbbbcccc
const uint32_t b = value / 10000;
const uint32_t c = value % 10000;
const uint32_t d1 = (b / 100) << 1;
const uint32_t d2 = (b % 100) << 1;
const uint32_t d3 = (c / 100) << 1;
const uint32_t d4 = (c % 100) << 1;
if (value >= 10000000)
*buffer++ = cDigitsLut[d1];
if (value >= 1000000)
*buffer++ = cDigitsLut[d1 + 1];
if (value >= 100000)
*buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
*buffer++ = cDigitsLut[d3];
*buffer++ = cDigitsLut[d3 + 1];
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
}
else {
// value = aabbbbcccc in decimal
const uint32_t a = value / 100000000; // 1 to 42
value %= 100000000;
if (a >= 10) {
const unsigned i = a << 1;
*buffer++ = cDigitsLut[i];
*buffer++ = cDigitsLut[i + 1];
}
else
*buffer++ = static_cast<char>('0' + static_cast<char>(a));
const uint32_t b = value / 10000; // 0 to 9999
const uint32_t c = value % 10000; // 0 to 9999
const uint32_t d1 = (b / 100) << 1;
const uint32_t d2 = (b % 100) << 1;
const uint32_t d3 = (c / 100) << 1;
const uint32_t d4 = (c % 100) << 1;
*buffer++ = cDigitsLut[d1];
*buffer++ = cDigitsLut[d1 + 1];
*buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
*buffer++ = cDigitsLut[d3];
*buffer++ = cDigitsLut[d3 + 1];
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
}
return buffer;
}
inline char* i32toa(int32_t value, char* buffer) {
RAPIDJSON_ASSERT(buffer != 0);
uint32_t u = static_cast<uint32_t>(value);
if (value < 0) {
*buffer++ = '-';
u = ~u + 1;
}
return u32toa(u, buffer);
}
inline char* u64toa(uint64_t value, char* buffer) {
RAPIDJSON_ASSERT(buffer != 0);
const char* cDigitsLut = GetDigitsLut();
const uint64_t kTen8 = 100000000;
const uint64_t kTen9 = kTen8 * 10;
const uint64_t kTen10 = kTen8 * 100;
const uint64_t kTen11 = kTen8 * 1000;
const uint64_t kTen12 = kTen8 * 10000;
const uint64_t kTen13 = kTen8 * 100000;
const uint64_t kTen14 = kTen8 * 1000000;
const uint64_t kTen15 = kTen8 * 10000000;
const uint64_t kTen16 = kTen8 * kTen8;
if (value < kTen8) {
uint32_t v = static_cast<uint32_t>(value);
if (v < 10000) {
const uint32_t d1 = (v / 100) << 1;
const uint32_t d2 = (v % 100) << 1;
if (v >= 1000)
*buffer++ = cDigitsLut[d1];
if (v >= 100)
*buffer++ = cDigitsLut[d1 + 1];
if (v >= 10)
*buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
}
else {
// value = bbbbcccc
const uint32_t b = v / 10000;
const uint32_t c = v % 10000;
const uint32_t d1 = (b / 100) << 1;
const uint32_t d2 = (b % 100) << 1;
const uint32_t d3 = (c / 100) << 1;
const uint32_t d4 = (c % 100) << 1;
if (value >= 10000000)
*buffer++ = cDigitsLut[d1];
if (value >= 1000000)
*buffer++ = cDigitsLut[d1 + 1];
if (value >= 100000)
*buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
*buffer++ = cDigitsLut[d3];
*buffer++ = cDigitsLut[d3 + 1];
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
}
}
else if (value < kTen16) {
const uint32_t v0 = static_cast<uint32_t>(value / kTen8);
const uint32_t v1 = static_cast<uint32_t>(value % kTen8);
const uint32_t b0 = v0 / 10000;
const uint32_t c0 = v0 % 10000;
const uint32_t d1 = (b0 / 100) << 1;
const uint32_t d2 = (b0 % 100) << 1;
const uint32_t d3 = (c0 / 100) << 1;
const uint32_t d4 = (c0 % 100) << 1;
const uint32_t b1 = v1 / 10000;
const uint32_t c1 = v1 % 10000;
const uint32_t d5 = (b1 / 100) << 1;
const uint32_t d6 = (b1 % 100) << 1;
const uint32_t d7 = (c1 / 100) << 1;
const uint32_t d8 = (c1 % 100) << 1;
if (value >= kTen15)
*buffer++ = cDigitsLut[d1];
if (value >= kTen14)
*buffer++ = cDigitsLut[d1 + 1];
if (value >= kTen13)
*buffer++ = cDigitsLut[d2];
if (value >= kTen12)
*buffer++ = cDigitsLut[d2 + 1];
if (value >= kTen11)
*buffer++ = cDigitsLut[d3];
if (value >= kTen10)
*buffer++ = cDigitsLut[d3 + 1];
if (value >= kTen9)
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
*buffer++ = cDigitsLut[d5];
*buffer++ = cDigitsLut[d5 + 1];
*buffer++ = cDigitsLut[d6];
*buffer++ = cDigitsLut[d6 + 1];
*buffer++ = cDigitsLut[d7];
*buffer++ = cDigitsLut[d7 + 1];
*buffer++ = cDigitsLut[d8];
*buffer++ = cDigitsLut[d8 + 1];
}
else {
const uint32_t a = static_cast<uint32_t>(value / kTen16); // 1 to 1844
value %= kTen16;
if (a < 10)
*buffer++ = static_cast<char>('0' + static_cast<char>(a));
else if (a < 100) {
const uint32_t i = a << 1;
*buffer++ = cDigitsLut[i];
*buffer++ = cDigitsLut[i + 1];
}
else if (a < 1000) {
*buffer++ = static_cast<char>('0' + static_cast<char>(a / 100));
const uint32_t i = (a % 100) << 1;
*buffer++ = cDigitsLut[i];
*buffer++ = cDigitsLut[i + 1];
}
else {
const uint32_t i = (a / 100) << 1;
const uint32_t j = (a % 100) << 1;
*buffer++ = cDigitsLut[i];
*buffer++ = cDigitsLut[i + 1];
*buffer++ = cDigitsLut[j];
*buffer++ = cDigitsLut[j + 1];
}
const uint32_t v0 = static_cast<uint32_t>(value / kTen8);
const uint32_t v1 = static_cast<uint32_t>(value % kTen8);
const uint32_t b0 = v0 / 10000;
const uint32_t c0 = v0 % 10000;
const uint32_t d1 = (b0 / 100) << 1;
const uint32_t d2 = (b0 % 100) << 1;
const uint32_t d3 = (c0 / 100) << 1;
const uint32_t d4 = (c0 % 100) << 1;
const uint32_t b1 = v1 / 10000;
const uint32_t c1 = v1 % 10000;
const uint32_t d5 = (b1 / 100) << 1;
const uint32_t d6 = (b1 % 100) << 1;
const uint32_t d7 = (c1 / 100) << 1;
const uint32_t d8 = (c1 % 100) << 1;
*buffer++ = cDigitsLut[d1];
*buffer++ = cDigitsLut[d1 + 1];
*buffer++ = cDigitsLut[d2];
*buffer++ = cDigitsLut[d2 + 1];
*buffer++ = cDigitsLut[d3];
*buffer++ = cDigitsLut[d3 + 1];
*buffer++ = cDigitsLut[d4];
*buffer++ = cDigitsLut[d4 + 1];
*buffer++ = cDigitsLut[d5];
*buffer++ = cDigitsLut[d5 + 1];
*buffer++ = cDigitsLut[d6];
*buffer++ = cDigitsLut[d6 + 1];
*buffer++ = cDigitsLut[d7];
*buffer++ = cDigitsLut[d7 + 1];
*buffer++ = cDigitsLut[d8];
*buffer++ = cDigitsLut[d8 + 1];
}
return buffer;
}
inline char* i64toa(int64_t value, char* buffer) {
RAPIDJSON_ASSERT(buffer != 0);
uint64_t u = static_cast<uint64_t>(value);
if (value < 0) {
*buffer++ = '-';
u = ~u + 1;
}
return u64toa(u, buffer);
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_ITOA_

186
vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_meta.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_INTERNAL_META_H_
#define RAPIDJSON_INTERNAL_META_H_
#include "lottie_rapidjson_rapidjson.h"
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#if defined(_MSC_VER) && !defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(6334)
#endif
#if RAPIDJSON_HAS_CXX11_TYPETRAITS
#include <type_traits>
#endif
//@cond RAPIDJSON_INTERNAL
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
// Helper to wrap/convert arbitrary types to void, useful for arbitrary type matching
template <typename T> struct Void { typedef void Type; };
///////////////////////////////////////////////////////////////////////////////
// BoolType, TrueType, FalseType
//
template <bool Cond> struct BoolType {
static const bool Value = Cond;
typedef BoolType Type;
};
typedef BoolType<true> TrueType;
typedef BoolType<false> FalseType;
///////////////////////////////////////////////////////////////////////////////
// SelectIf, BoolExpr, NotExpr, AndExpr, OrExpr
//
template <bool C> struct SelectIfImpl { template <typename T1, typename T2> struct Apply { typedef T1 Type; }; };
template <> struct SelectIfImpl<false> { template <typename T1, typename T2> struct Apply { typedef T2 Type; }; };
template <bool C, typename T1, typename T2> struct SelectIfCond : SelectIfImpl<C>::template Apply<T1,T2> {};
template <typename C, typename T1, typename T2> struct SelectIf : SelectIfCond<C::Value, T1, T2> {};
template <bool Cond1, bool Cond2> struct AndExprCond : FalseType {};
template <> struct AndExprCond<true, true> : TrueType {};
template <bool Cond1, bool Cond2> struct OrExprCond : TrueType {};
template <> struct OrExprCond<false, false> : FalseType {};
template <typename C> struct BoolExpr : SelectIf<C,TrueType,FalseType>::Type {};
template <typename C> struct NotExpr : SelectIf<C,FalseType,TrueType>::Type {};
template <typename C1, typename C2> struct AndExpr : AndExprCond<C1::Value, C2::Value>::Type {};
template <typename C1, typename C2> struct OrExpr : OrExprCond<C1::Value, C2::Value>::Type {};
///////////////////////////////////////////////////////////////////////////////
// AddConst, MaybeAddConst, RemoveConst
template <typename T> struct AddConst { typedef const T Type; };
template <bool Constify, typename T> struct MaybeAddConst : SelectIfCond<Constify, const T, T> {};
template <typename T> struct RemoveConst { typedef T Type; };
template <typename T> struct RemoveConst<const T> { typedef T Type; };
///////////////////////////////////////////////////////////////////////////////
// IsSame, IsConst, IsMoreConst, IsPointer
//
template <typename T, typename U> struct IsSame : FalseType {};
template <typename T> struct IsSame<T, T> : TrueType {};
template <typename T> struct IsConst : FalseType {};
template <typename T> struct IsConst<const T> : TrueType {};
template <typename CT, typename T>
struct IsMoreConst
: AndExpr<IsSame<typename RemoveConst<CT>::Type, typename RemoveConst<T>::Type>,
BoolType<IsConst<CT>::Value >= IsConst<T>::Value> >::Type {};
template <typename T> struct IsPointer : FalseType {};
template <typename T> struct IsPointer<T*> : TrueType {};
///////////////////////////////////////////////////////////////////////////////
// IsBaseOf
//
#if RAPIDJSON_HAS_CXX11_TYPETRAITS
template <typename B, typename D> struct IsBaseOf
: BoolType< ::std::is_base_of<B,D>::value> {};
#else // simplified version adopted from Boost
template<typename B, typename D> struct IsBaseOfImpl {
RAPIDJSON_STATIC_ASSERT(sizeof(B) != 0);
RAPIDJSON_STATIC_ASSERT(sizeof(D) != 0);
typedef char (&Yes)[1];
typedef char (&No) [2];
template <typename T>
static Yes Check(const D*, T);
static No Check(const B*, int);
struct Host {
operator const B*() const;
operator const D*();
};
enum { Value = (sizeof(Check(Host(), 0)) == sizeof(Yes)) };
};
template <typename B, typename D> struct IsBaseOf
: OrExpr<IsSame<B, D>, BoolExpr<IsBaseOfImpl<B, D> > >::Type {};
#endif // RAPIDJSON_HAS_CXX11_TYPETRAITS
//////////////////////////////////////////////////////////////////////////
// EnableIf / DisableIf
//
template <bool Condition, typename T = void> struct EnableIfCond { typedef T Type; };
template <typename T> struct EnableIfCond<false, T> { /* empty */ };
template <bool Condition, typename T = void> struct DisableIfCond { typedef T Type; };
template <typename T> struct DisableIfCond<true, T> { /* empty */ };
template <typename Condition, typename T = void>
struct EnableIf : EnableIfCond<Condition::Value, T> {};
template <typename Condition, typename T = void>
struct DisableIf : DisableIfCond<Condition::Value, T> {};
// SFINAE helpers
struct SfinaeTag {};
template <typename T> struct RemoveSfinaeTag;
template <typename T> struct RemoveSfinaeTag<SfinaeTag&(*)(T)> { typedef T Type; };
#define RAPIDJSON_REMOVEFPTR_(type) \
typename ::RAPIDJSON_NAMESPACE::internal::RemoveSfinaeTag \
< ::RAPIDJSON_NAMESPACE::internal::SfinaeTag&(*) type>::Type
#define RAPIDJSON_ENABLEIF(cond) \
typename ::RAPIDJSON_NAMESPACE::internal::EnableIf \
<RAPIDJSON_REMOVEFPTR_(cond)>::Type * = NULL
#define RAPIDJSON_DISABLEIF(cond) \
typename ::RAPIDJSON_NAMESPACE::internal::DisableIf \
<RAPIDJSON_REMOVEFPTR_(cond)>::Type * = NULL
#define RAPIDJSON_ENABLEIF_RETURN(cond,returntype) \
typename ::RAPIDJSON_NAMESPACE::internal::EnableIf \
<RAPIDJSON_REMOVEFPTR_(cond), \
RAPIDJSON_REMOVEFPTR_(returntype)>::Type
#define RAPIDJSON_DISABLEIF_RETURN(cond,returntype) \
typename ::RAPIDJSON_NAMESPACE::internal::DisableIf \
<RAPIDJSON_REMOVEFPTR_(cond), \
RAPIDJSON_REMOVEFPTR_(returntype)>::Type
} // namespace internal
RAPIDJSON_NAMESPACE_END
//@endcond
#if defined(_MSC_VER) && !defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_INTERNAL_META_H_

55
vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_pow10.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_POW10_
#define RAPIDJSON_POW10_
#include "lottie_rapidjson_rapidjson.h"
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
//! Computes integer powers of 10 in double (10.0^n).
/*! This function uses lookup table for fast and accurate results.
\param n non-negative exponent. Must <= 308.
\return 10.0^n
*/
inline double Pow10(int n) {
static const double e[] = { // 1e-0...1e308: 309 * 8 bytes = 2472 bytes
1e+0,
1e+1, 1e+2, 1e+3, 1e+4, 1e+5, 1e+6, 1e+7, 1e+8, 1e+9, 1e+10, 1e+11, 1e+12, 1e+13, 1e+14, 1e+15, 1e+16, 1e+17, 1e+18, 1e+19, 1e+20,
1e+21, 1e+22, 1e+23, 1e+24, 1e+25, 1e+26, 1e+27, 1e+28, 1e+29, 1e+30, 1e+31, 1e+32, 1e+33, 1e+34, 1e+35, 1e+36, 1e+37, 1e+38, 1e+39, 1e+40,
1e+41, 1e+42, 1e+43, 1e+44, 1e+45, 1e+46, 1e+47, 1e+48, 1e+49, 1e+50, 1e+51, 1e+52, 1e+53, 1e+54, 1e+55, 1e+56, 1e+57, 1e+58, 1e+59, 1e+60,
1e+61, 1e+62, 1e+63, 1e+64, 1e+65, 1e+66, 1e+67, 1e+68, 1e+69, 1e+70, 1e+71, 1e+72, 1e+73, 1e+74, 1e+75, 1e+76, 1e+77, 1e+78, 1e+79, 1e+80,
1e+81, 1e+82, 1e+83, 1e+84, 1e+85, 1e+86, 1e+87, 1e+88, 1e+89, 1e+90, 1e+91, 1e+92, 1e+93, 1e+94, 1e+95, 1e+96, 1e+97, 1e+98, 1e+99, 1e+100,
1e+101,1e+102,1e+103,1e+104,1e+105,1e+106,1e+107,1e+108,1e+109,1e+110,1e+111,1e+112,1e+113,1e+114,1e+115,1e+116,1e+117,1e+118,1e+119,1e+120,
1e+121,1e+122,1e+123,1e+124,1e+125,1e+126,1e+127,1e+128,1e+129,1e+130,1e+131,1e+132,1e+133,1e+134,1e+135,1e+136,1e+137,1e+138,1e+139,1e+140,
1e+141,1e+142,1e+143,1e+144,1e+145,1e+146,1e+147,1e+148,1e+149,1e+150,1e+151,1e+152,1e+153,1e+154,1e+155,1e+156,1e+157,1e+158,1e+159,1e+160,
1e+161,1e+162,1e+163,1e+164,1e+165,1e+166,1e+167,1e+168,1e+169,1e+170,1e+171,1e+172,1e+173,1e+174,1e+175,1e+176,1e+177,1e+178,1e+179,1e+180,
1e+181,1e+182,1e+183,1e+184,1e+185,1e+186,1e+187,1e+188,1e+189,1e+190,1e+191,1e+192,1e+193,1e+194,1e+195,1e+196,1e+197,1e+198,1e+199,1e+200,
1e+201,1e+202,1e+203,1e+204,1e+205,1e+206,1e+207,1e+208,1e+209,1e+210,1e+211,1e+212,1e+213,1e+214,1e+215,1e+216,1e+217,1e+218,1e+219,1e+220,
1e+221,1e+222,1e+223,1e+224,1e+225,1e+226,1e+227,1e+228,1e+229,1e+230,1e+231,1e+232,1e+233,1e+234,1e+235,1e+236,1e+237,1e+238,1e+239,1e+240,
1e+241,1e+242,1e+243,1e+244,1e+245,1e+246,1e+247,1e+248,1e+249,1e+250,1e+251,1e+252,1e+253,1e+254,1e+255,1e+256,1e+257,1e+258,1e+259,1e+260,
1e+261,1e+262,1e+263,1e+264,1e+265,1e+266,1e+267,1e+268,1e+269,1e+270,1e+271,1e+272,1e+273,1e+274,1e+275,1e+276,1e+277,1e+278,1e+279,1e+280,
1e+281,1e+282,1e+283,1e+284,1e+285,1e+286,1e+287,1e+288,1e+289,1e+290,1e+291,1e+292,1e+293,1e+294,1e+295,1e+296,1e+297,1e+298,1e+299,1e+300,
1e+301,1e+302,1e+303,1e+304,1e+305,1e+306,1e+307,1e+308
};
RAPIDJSON_ASSERT(n >= 0 && n <= 308);
return e[n];
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_POW10_

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vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_regex.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_INTERNAL_REGEX_H_
#define RAPIDJSON_INTERNAL_REGEX_H_
#include "lottie_rapidjson_allocators.h"
#include "lottie_rapidjson_stream.h"
#include "lottie_rapidjson_internal_stack.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
RAPIDJSON_DIAG_OFF(switch-enum)
#elif defined(_MSC_VER)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#ifndef RAPIDJSON_REGEX_VERBOSE
#define RAPIDJSON_REGEX_VERBOSE 0
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
///////////////////////////////////////////////////////////////////////////////
// DecodedStream
template <typename SourceStream, typename Encoding>
class DecodedStream {
public:
DecodedStream(SourceStream& ss) : ss_(ss), codepoint_() { Decode(); }
unsigned Peek() { return codepoint_; }
unsigned Take() {
unsigned c = codepoint_;
if (c) // No further decoding when '\0'
Decode();
return c;
}
private:
void Decode() {
if (!Encoding::Decode(ss_, &codepoint_))
codepoint_ = 0;
}
SourceStream& ss_;
unsigned codepoint_;
};
///////////////////////////////////////////////////////////////////////////////
// GenericRegex
static const SizeType kRegexInvalidState = ~SizeType(0); //!< Represents an invalid index in GenericRegex::State::out, out1
static const SizeType kRegexInvalidRange = ~SizeType(0);
template <typename Encoding, typename Allocator>
class GenericRegexSearch;
//! Regular expression engine with subset of ECMAscript grammar.
/*!
Supported regular expression syntax:
- \c ab Concatenation
- \c a|b Alternation
- \c a? Zero or one
- \c a* Zero or more
- \c a+ One or more
- \c a{3} Exactly 3 times
- \c a{3,} At least 3 times
- \c a{3,5} 3 to 5 times
- \c (ab) Grouping
- \c ^a At the beginning
- \c a$ At the end
- \c . Any character
- \c [abc] Character classes
- \c [a-c] Character class range
- \c [a-z0-9_] Character class combination
- \c [^abc] Negated character classes
- \c [^a-c] Negated character class range
- \c [\b] Backspace (U+0008)
- \c \\| \\\\ ... Escape characters
- \c \\f Form feed (U+000C)
- \c \\n Line feed (U+000A)
- \c \\r Carriage return (U+000D)
- \c \\t Tab (U+0009)
- \c \\v Vertical tab (U+000B)
\note This is a Thompson NFA engine, implemented with reference to
Cox, Russ. "Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby,...).",
https://swtch.com/~rsc/regexp/regexp1.html
*/
template <typename Encoding, typename Allocator = CrtAllocator>
class GenericRegex {
public:
typedef Encoding EncodingType;
typedef typename Encoding::Ch Ch;
template <typename, typename> friend class GenericRegexSearch;
GenericRegex(const Ch* source, Allocator* allocator = 0) :
ownAllocator_(allocator ? 0 : RAPIDJSON_NEW(Allocator)()), allocator_(allocator ? allocator : ownAllocator_),
states_(allocator_, 256), ranges_(allocator_, 256), root_(kRegexInvalidState), stateCount_(), rangeCount_(),
anchorBegin_(), anchorEnd_()
{
GenericStringStream<Encoding> ss(source);
DecodedStream<GenericStringStream<Encoding>, Encoding> ds(ss);
Parse(ds);
}
~GenericRegex()
{
RAPIDJSON_DELETE(ownAllocator_);
}
bool IsValid() const {
return root_ != kRegexInvalidState;
}
private:
enum Operator {
kZeroOrOne,
kZeroOrMore,
kOneOrMore,
kConcatenation,
kAlternation,
kLeftParenthesis
};
static const unsigned kAnyCharacterClass = 0xFFFFFFFF; //!< For '.'
static const unsigned kRangeCharacterClass = 0xFFFFFFFE;
static const unsigned kRangeNegationFlag = 0x80000000;
struct Range {
unsigned start; //
unsigned end;
SizeType next;
};
struct State {
SizeType out; //!< Equals to kInvalid for matching state
SizeType out1; //!< Equals to non-kInvalid for split
SizeType rangeStart;
unsigned codepoint;
};
struct Frag {
Frag(SizeType s, SizeType o, SizeType m) : start(s), out(o), minIndex(m) {}
SizeType start;
SizeType out; //!< link-list of all output states
SizeType minIndex;
};
State& GetState(SizeType index) {
RAPIDJSON_ASSERT(index < stateCount_);
return states_.template Bottom<State>()[index];
}
const State& GetState(SizeType index) const {
RAPIDJSON_ASSERT(index < stateCount_);
return states_.template Bottom<State>()[index];
}
Range& GetRange(SizeType index) {
RAPIDJSON_ASSERT(index < rangeCount_);
return ranges_.template Bottom<Range>()[index];
}
const Range& GetRange(SizeType index) const {
RAPIDJSON_ASSERT(index < rangeCount_);
return ranges_.template Bottom<Range>()[index];
}
template <typename InputStream>
void Parse(DecodedStream<InputStream, Encoding>& ds) {
Stack<Allocator> operandStack(allocator_, 256); // Frag
Stack<Allocator> operatorStack(allocator_, 256); // Operator
Stack<Allocator> atomCountStack(allocator_, 256); // unsigned (Atom per parenthesis)
*atomCountStack.template Push<unsigned>() = 0;
unsigned codepoint;
while (ds.Peek() != 0) {
switch (codepoint = ds.Take()) {
case '^':
anchorBegin_ = true;
break;
case '$':
anchorEnd_ = true;
break;
case '|':
while (!operatorStack.Empty() && *operatorStack.template Top<Operator>() < kAlternation)
if (!Eval(operandStack, *operatorStack.template Pop<Operator>(1)))
return;
*operatorStack.template Push<Operator>() = kAlternation;
*atomCountStack.template Top<unsigned>() = 0;
break;
case '(':
*operatorStack.template Push<Operator>() = kLeftParenthesis;
*atomCountStack.template Push<unsigned>() = 0;
break;
case ')':
while (!operatorStack.Empty() && *operatorStack.template Top<Operator>() != kLeftParenthesis)
if (!Eval(operandStack, *operatorStack.template Pop<Operator>(1)))
return;
if (operatorStack.Empty())
return;
operatorStack.template Pop<Operator>(1);
atomCountStack.template Pop<unsigned>(1);
ImplicitConcatenation(atomCountStack, operatorStack);
break;
case '?':
if (!Eval(operandStack, kZeroOrOne))
return;
break;
case '*':
if (!Eval(operandStack, kZeroOrMore))
return;
break;
case '+':
if (!Eval(operandStack, kOneOrMore))
return;
break;
case '{':
{
unsigned n, m;
if (!ParseUnsigned(ds, &n))
return;
if (ds.Peek() == ',') {
ds.Take();
if (ds.Peek() == '}')
m = kInfinityQuantifier;
else if (!ParseUnsigned(ds, &m) || m < n)
return;
}
else
m = n;
if (!EvalQuantifier(operandStack, n, m) || ds.Peek() != '}')
return;
ds.Take();
}
break;
case '.':
PushOperand(operandStack, kAnyCharacterClass);
ImplicitConcatenation(atomCountStack, operatorStack);
break;
case '[':
{
SizeType range;
if (!ParseRange(ds, &range))
return;
SizeType s = NewState(kRegexInvalidState, kRegexInvalidState, kRangeCharacterClass);
GetState(s).rangeStart = range;
*operandStack.template Push<Frag>() = Frag(s, s, s);
}
ImplicitConcatenation(atomCountStack, operatorStack);
break;
case '\\': // Escape character
if (!CharacterEscape(ds, &codepoint))
return; // Unsupported escape character
// fall through to default
RAPIDJSON_DELIBERATE_FALLTHROUGH;
default: // Pattern character
PushOperand(operandStack, codepoint);
ImplicitConcatenation(atomCountStack, operatorStack);
}
}
while (!operatorStack.Empty())
if (!Eval(operandStack, *operatorStack.template Pop<Operator>(1)))
return;
// Link the operand to matching state.
if (operandStack.GetSize() == sizeof(Frag)) {
Frag* e = operandStack.template Pop<Frag>(1);
Patch(e->out, NewState(kRegexInvalidState, kRegexInvalidState, 0));
root_ = e->start;
#if RAPIDJSON_REGEX_VERBOSE
printf("root: %d\n", root_);
for (SizeType i = 0; i < stateCount_ ; i++) {
State& s = GetState(i);
printf("[%2d] out: %2d out1: %2d c: '%c'\n", i, s.out, s.out1, (char)s.codepoint);
}
printf("\n");
#endif
}
}
SizeType NewState(SizeType out, SizeType out1, unsigned codepoint) {
State* s = states_.template Push<State>();
s->out = out;
s->out1 = out1;
s->codepoint = codepoint;
s->rangeStart = kRegexInvalidRange;
return stateCount_++;
}
void PushOperand(Stack<Allocator>& operandStack, unsigned codepoint) {
SizeType s = NewState(kRegexInvalidState, kRegexInvalidState, codepoint);
*operandStack.template Push<Frag>() = Frag(s, s, s);
}
void ImplicitConcatenation(Stack<Allocator>& atomCountStack, Stack<Allocator>& operatorStack) {
if (*atomCountStack.template Top<unsigned>())
*operatorStack.template Push<Operator>() = kConcatenation;
(*atomCountStack.template Top<unsigned>())++;
}
SizeType Append(SizeType l1, SizeType l2) {
SizeType old = l1;
while (GetState(l1).out != kRegexInvalidState)
l1 = GetState(l1).out;
GetState(l1).out = l2;
return old;
}
void Patch(SizeType l, SizeType s) {
for (SizeType next; l != kRegexInvalidState; l = next) {
next = GetState(l).out;
GetState(l).out = s;
}
}
bool Eval(Stack<Allocator>& operandStack, Operator op) {
switch (op) {
case kConcatenation:
RAPIDJSON_ASSERT(operandStack.GetSize() >= sizeof(Frag) * 2);
{
Frag e2 = *operandStack.template Pop<Frag>(1);
Frag e1 = *operandStack.template Pop<Frag>(1);
Patch(e1.out, e2.start);
*operandStack.template Push<Frag>() = Frag(e1.start, e2.out, Min(e1.minIndex, e2.minIndex));
}
return true;
case kAlternation:
if (operandStack.GetSize() >= sizeof(Frag) * 2) {
Frag e2 = *operandStack.template Pop<Frag>(1);
Frag e1 = *operandStack.template Pop<Frag>(1);
SizeType s = NewState(e1.start, e2.start, 0);
*operandStack.template Push<Frag>() = Frag(s, Append(e1.out, e2.out), Min(e1.minIndex, e2.minIndex));
return true;
}
return false;
case kZeroOrOne:
if (operandStack.GetSize() >= sizeof(Frag)) {
Frag e = *operandStack.template Pop<Frag>(1);
SizeType s = NewState(kRegexInvalidState, e.start, 0);
*operandStack.template Push<Frag>() = Frag(s, Append(e.out, s), e.minIndex);
return true;
}
return false;
case kZeroOrMore:
if (operandStack.GetSize() >= sizeof(Frag)) {
Frag e = *operandStack.template Pop<Frag>(1);
SizeType s = NewState(kRegexInvalidState, e.start, 0);
Patch(e.out, s);
*operandStack.template Push<Frag>() = Frag(s, s, e.minIndex);
return true;
}
return false;
case kOneOrMore:
if (operandStack.GetSize() >= sizeof(Frag)) {
Frag e = *operandStack.template Pop<Frag>(1);
SizeType s = NewState(kRegexInvalidState, e.start, 0);
Patch(e.out, s);
*operandStack.template Push<Frag>() = Frag(e.start, s, e.minIndex);
return true;
}
return false;
default:
// syntax error (e.g. unclosed kLeftParenthesis)
return false;
}
}
bool EvalQuantifier(Stack<Allocator>& operandStack, unsigned n, unsigned m) {
RAPIDJSON_ASSERT(n <= m);
RAPIDJSON_ASSERT(operandStack.GetSize() >= sizeof(Frag));
if (n == 0) {
if (m == 0) // a{0} not support
return false;
else if (m == kInfinityQuantifier)
Eval(operandStack, kZeroOrMore); // a{0,} -> a*
else {
Eval(operandStack, kZeroOrOne); // a{0,5} -> a?
for (unsigned i = 0; i < m - 1; i++)
CloneTopOperand(operandStack); // a{0,5} -> a? a? a? a? a?
for (unsigned i = 0; i < m - 1; i++)
Eval(operandStack, kConcatenation); // a{0,5} -> a?a?a?a?a?
}
return true;
}
for (unsigned i = 0; i < n - 1; i++) // a{3} -> a a a
CloneTopOperand(operandStack);
if (m == kInfinityQuantifier)
Eval(operandStack, kOneOrMore); // a{3,} -> a a a+
else if (m > n) {
CloneTopOperand(operandStack); // a{3,5} -> a a a a
Eval(operandStack, kZeroOrOne); // a{3,5} -> a a a a?
for (unsigned i = n; i < m - 1; i++)
CloneTopOperand(operandStack); // a{3,5} -> a a a a? a?
for (unsigned i = n; i < m; i++)
Eval(operandStack, kConcatenation); // a{3,5} -> a a aa?a?
}
for (unsigned i = 0; i < n - 1; i++)
Eval(operandStack, kConcatenation); // a{3} -> aaa, a{3,} -> aaa+, a{3.5} -> aaaa?a?
return true;
}
static SizeType Min(SizeType a, SizeType b) { return a < b ? a : b; }
void CloneTopOperand(Stack<Allocator>& operandStack) {
const Frag src = *operandStack.template Top<Frag>(); // Copy constructor to prevent invalidation
SizeType count = stateCount_ - src.minIndex; // Assumes top operand contains states in [src->minIndex, stateCount_)
State* s = states_.template Push<State>(count);
memcpy(s, &GetState(src.minIndex), count * sizeof(State));
for (SizeType j = 0; j < count; j++) {
if (s[j].out != kRegexInvalidState)
s[j].out += count;
if (s[j].out1 != kRegexInvalidState)
s[j].out1 += count;
}
*operandStack.template Push<Frag>() = Frag(src.start + count, src.out + count, src.minIndex + count);
stateCount_ += count;
}
template <typename InputStream>
bool ParseUnsigned(DecodedStream<InputStream, Encoding>& ds, unsigned* u) {
unsigned r = 0;
if (ds.Peek() < '0' || ds.Peek() > '9')
return false;
while (ds.Peek() >= '0' && ds.Peek() <= '9') {
if (r >= 429496729 && ds.Peek() > '5') // 2^32 - 1 = 4294967295
return false; // overflow
r = r * 10 + (ds.Take() - '0');
}
*u = r;
return true;
}
template <typename InputStream>
bool ParseRange(DecodedStream<InputStream, Encoding>& ds, SizeType* range) {
bool isBegin = true;
bool negate = false;
int step = 0;
SizeType start = kRegexInvalidRange;
SizeType current = kRegexInvalidRange;
unsigned codepoint;
while ((codepoint = ds.Take()) != 0) {
if (isBegin) {
isBegin = false;
if (codepoint == '^') {
negate = true;
continue;
}
}
switch (codepoint) {
case ']':
if (start == kRegexInvalidRange)
return false; // Error: nothing inside []
if (step == 2) { // Add trailing '-'
SizeType r = NewRange('-');
RAPIDJSON_ASSERT(current != kRegexInvalidRange);
GetRange(current).next = r;
}
if (negate)
GetRange(start).start |= kRangeNegationFlag;
*range = start;
return true;
case '\\':
if (ds.Peek() == 'b') {
ds.Take();
codepoint = 0x0008; // Escape backspace character
}
else if (!CharacterEscape(ds, &codepoint))
return false;
// fall through to default
RAPIDJSON_DELIBERATE_FALLTHROUGH;
default:
switch (step) {
case 1:
if (codepoint == '-') {
step++;
break;
}
// fall through to step 0 for other characters
RAPIDJSON_DELIBERATE_FALLTHROUGH;
case 0:
{
SizeType r = NewRange(codepoint);
if (current != kRegexInvalidRange)
GetRange(current).next = r;
if (start == kRegexInvalidRange)
start = r;
current = r;
}
step = 1;
break;
default:
RAPIDJSON_ASSERT(step == 2);
GetRange(current).end = codepoint;
step = 0;
}
}
}
return false;
}
SizeType NewRange(unsigned codepoint) {
Range* r = ranges_.template Push<Range>();
r->start = r->end = codepoint;
r->next = kRegexInvalidRange;
return rangeCount_++;
}
template <typename InputStream>
bool CharacterEscape(DecodedStream<InputStream, Encoding>& ds, unsigned* escapedCodepoint) {
unsigned codepoint;
switch (codepoint = ds.Take()) {
case '^':
case '$':
case '|':
case '(':
case ')':
case '?':
case '*':
case '+':
case '.':
case '[':
case ']':
case '{':
case '}':
case '\\':
*escapedCodepoint = codepoint; return true;
case 'f': *escapedCodepoint = 0x000C; return true;
case 'n': *escapedCodepoint = 0x000A; return true;
case 'r': *escapedCodepoint = 0x000D; return true;
case 't': *escapedCodepoint = 0x0009; return true;
case 'v': *escapedCodepoint = 0x000B; return true;
default:
return false; // Unsupported escape character
}
}
Allocator* ownAllocator_;
Allocator* allocator_;
Stack<Allocator> states_;
Stack<Allocator> ranges_;
SizeType root_;
SizeType stateCount_;
SizeType rangeCount_;
static const unsigned kInfinityQuantifier = ~0u;
// For SearchWithAnchoring()
bool anchorBegin_;
bool anchorEnd_;
};
template <typename RegexType, typename Allocator = CrtAllocator>
class GenericRegexSearch {
public:
typedef typename RegexType::EncodingType Encoding;
typedef typename Encoding::Ch Ch;
GenericRegexSearch(const RegexType& regex, Allocator* allocator = 0) :
regex_(regex), allocator_(allocator), ownAllocator_(0),
state0_(allocator, 0), state1_(allocator, 0), stateSet_()
{
RAPIDJSON_ASSERT(regex_.IsValid());
if (!allocator_)
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
stateSet_ = static_cast<unsigned*>(allocator_->Malloc(GetStateSetSize()));
state0_.template Reserve<SizeType>(regex_.stateCount_);
state1_.template Reserve<SizeType>(regex_.stateCount_);
}
~GenericRegexSearch() {
Allocator::Free(stateSet_);
RAPIDJSON_DELETE(ownAllocator_);
}
template <typename InputStream>
bool Match(InputStream& is) {
return SearchWithAnchoring(is, true, true);
}
bool Match(const Ch* s) {
GenericStringStream<Encoding> is(s);
return Match(is);
}
template <typename InputStream>
bool Search(InputStream& is) {
return SearchWithAnchoring(is, regex_.anchorBegin_, regex_.anchorEnd_);
}
bool Search(const Ch* s) {
GenericStringStream<Encoding> is(s);
return Search(is);
}
private:
typedef typename RegexType::State State;
typedef typename RegexType::Range Range;
template <typename InputStream>
bool SearchWithAnchoring(InputStream& is, bool anchorBegin, bool anchorEnd) {
DecodedStream<InputStream, Encoding> ds(is);
state0_.Clear();
Stack<Allocator> *current = &state0_, *next = &state1_;
const size_t stateSetSize = GetStateSetSize();
std::memset(stateSet_, 0, stateSetSize);
bool matched = AddState(*current, regex_.root_);
unsigned codepoint;
while (!current->Empty() && (codepoint = ds.Take()) != 0) {
std::memset(stateSet_, 0, stateSetSize);
next->Clear();
matched = false;
for (const SizeType* s = current->template Bottom<SizeType>(); s != current->template End<SizeType>(); ++s) {
const State& sr = regex_.GetState(*s);
if (sr.codepoint == codepoint ||
sr.codepoint == RegexType::kAnyCharacterClass ||
(sr.codepoint == RegexType::kRangeCharacterClass && MatchRange(sr.rangeStart, codepoint)))
{
matched = AddState(*next, sr.out) || matched;
if (!anchorEnd && matched)
return true;
}
if (!anchorBegin)
AddState(*next, regex_.root_);
}
internal::Swap(current, next);
}
return matched;
}
size_t GetStateSetSize() const {
return (regex_.stateCount_ + 31) / 32 * 4;
}
// Return whether the added states is a match state
bool AddState(Stack<Allocator>& l, SizeType index) {
RAPIDJSON_ASSERT(index != kRegexInvalidState);
const State& s = regex_.GetState(index);
if (s.out1 != kRegexInvalidState) { // Split
bool matched = AddState(l, s.out);
return AddState(l, s.out1) || matched;
}
else if (!(stateSet_[index >> 5] & (1u << (index & 31)))) {
stateSet_[index >> 5] |= (1u << (index & 31));
*l.template PushUnsafe<SizeType>() = index;
}
return s.out == kRegexInvalidState; // by using PushUnsafe() above, we can ensure s is not validated due to reallocation.
}
bool MatchRange(SizeType rangeIndex, unsigned codepoint) const {
bool yes = (regex_.GetRange(rangeIndex).start & RegexType::kRangeNegationFlag) == 0;
while (rangeIndex != kRegexInvalidRange) {
const Range& r = regex_.GetRange(rangeIndex);
if (codepoint >= (r.start & ~RegexType::kRangeNegationFlag) && codepoint <= r.end)
return yes;
rangeIndex = r.next;
}
return !yes;
}
const RegexType& regex_;
Allocator* allocator_;
Allocator* ownAllocator_;
Stack<Allocator> state0_;
Stack<Allocator> state1_;
uint32_t* stateSet_;
};
typedef GenericRegex<UTF8<> > Regex;
typedef GenericRegexSearch<Regex> RegexSearch;
} // namespace internal
RAPIDJSON_NAMESPACE_END
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#if defined(__clang__) || defined(_MSC_VER)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_INTERNAL_REGEX_H_

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@ -0,0 +1,232 @@
// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_INTERNAL_STACK_H_
#define RAPIDJSON_INTERNAL_STACK_H_
#include "lottie_rapidjson_allocators.h"
#include "lottie_rapidjson_internal_swap.h"
#include <cstddef>
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++98-compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
///////////////////////////////////////////////////////////////////////////////
// Stack
//! A type-unsafe stack for storing different types of data.
/*! \tparam Allocator Allocator for allocating stack memory.
*/
template <typename Allocator>
class Stack {
public:
// Optimization note: Do not allocate memory for stack_ in constructor.
// Do it lazily when first Push() -> Expand() -> Resize().
Stack(Allocator* allocator, size_t stackCapacity) : allocator_(allocator), ownAllocator_(0), stack_(0), stackTop_(0), stackEnd_(0), initialCapacity_(stackCapacity) {
}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
Stack(Stack&& rhs)
: allocator_(rhs.allocator_),
ownAllocator_(rhs.ownAllocator_),
stack_(rhs.stack_),
stackTop_(rhs.stackTop_),
stackEnd_(rhs.stackEnd_),
initialCapacity_(rhs.initialCapacity_)
{
rhs.allocator_ = 0;
rhs.ownAllocator_ = 0;
rhs.stack_ = 0;
rhs.stackTop_ = 0;
rhs.stackEnd_ = 0;
rhs.initialCapacity_ = 0;
}
#endif
~Stack() {
Destroy();
}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
Stack& operator=(Stack&& rhs) {
if (&rhs != this)
{
Destroy();
allocator_ = rhs.allocator_;
ownAllocator_ = rhs.ownAllocator_;
stack_ = rhs.stack_;
stackTop_ = rhs.stackTop_;
stackEnd_ = rhs.stackEnd_;
initialCapacity_ = rhs.initialCapacity_;
rhs.allocator_ = 0;
rhs.ownAllocator_ = 0;
rhs.stack_ = 0;
rhs.stackTop_ = 0;
rhs.stackEnd_ = 0;
rhs.initialCapacity_ = 0;
}
return *this;
}
#endif
void Swap(Stack& rhs) RAPIDJSON_NOEXCEPT {
internal::Swap(allocator_, rhs.allocator_);
internal::Swap(ownAllocator_, rhs.ownAllocator_);
internal::Swap(stack_, rhs.stack_);
internal::Swap(stackTop_, rhs.stackTop_);
internal::Swap(stackEnd_, rhs.stackEnd_);
internal::Swap(initialCapacity_, rhs.initialCapacity_);
}
void Clear() { stackTop_ = stack_; }
void ShrinkToFit() {
if (Empty()) {
// If the stack is empty, completely deallocate the memory.
Allocator::Free(stack_); // NOLINT (+clang-analyzer-unix.Malloc)
stack_ = 0;
stackTop_ = 0;
stackEnd_ = 0;
}
else
Resize(GetSize());
}
// Optimization note: try to minimize the size of this function for force inline.
// Expansion is run very infrequently, so it is moved to another (probably non-inline) function.
template<typename T>
RAPIDJSON_FORCEINLINE void Reserve(size_t count = 1) {
// Expand the stack if needed
if (RAPIDJSON_UNLIKELY(static_cast<std::ptrdiff_t>(sizeof(T) * count) > (stackEnd_ - stackTop_)))
Expand<T>(count);
}
template<typename T>
RAPIDJSON_FORCEINLINE T* Push(size_t count = 1) {
Reserve<T>(count);
return PushUnsafe<T>(count);
}
template<typename T>
RAPIDJSON_FORCEINLINE T* PushUnsafe(size_t count = 1) {
RAPIDJSON_ASSERT(stackTop_);
RAPIDJSON_ASSERT(static_cast<std::ptrdiff_t>(sizeof(T) * count) <= (stackEnd_ - stackTop_));
T* ret = reinterpret_cast<T*>(stackTop_);
stackTop_ += sizeof(T) * count;
return ret;
}
template<typename T>
T* Pop(size_t count) {
RAPIDJSON_ASSERT(GetSize() >= count * sizeof(T));
stackTop_ -= count * sizeof(T);
return reinterpret_cast<T*>(stackTop_);
}
template<typename T>
T* Top() {
RAPIDJSON_ASSERT(GetSize() >= sizeof(T));
return reinterpret_cast<T*>(stackTop_ - sizeof(T));
}
template<typename T>
const T* Top() const {
RAPIDJSON_ASSERT(GetSize() >= sizeof(T));
return reinterpret_cast<T*>(stackTop_ - sizeof(T));
}
template<typename T>
T* End() { return reinterpret_cast<T*>(stackTop_); }
template<typename T>
const T* End() const { return reinterpret_cast<T*>(stackTop_); }
template<typename T>
T* Bottom() { return reinterpret_cast<T*>(stack_); }
template<typename T>
const T* Bottom() const { return reinterpret_cast<T*>(stack_); }
bool HasAllocator() const {
return allocator_ != 0;
}
Allocator& GetAllocator() {
RAPIDJSON_ASSERT(allocator_);
return *allocator_;
}
bool Empty() const { return stackTop_ == stack_; }
size_t GetSize() const { return static_cast<size_t>(stackTop_ - stack_); }
size_t GetCapacity() const { return static_cast<size_t>(stackEnd_ - stack_); }
private:
template<typename T>
void Expand(size_t count) {
// Only expand the capacity if the current stack exists. Otherwise just create a stack with initial capacity.
size_t newCapacity;
if (stack_ == 0) {
if (!allocator_)
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
newCapacity = initialCapacity_;
} else {
newCapacity = GetCapacity();
newCapacity += (newCapacity + 1) / 2;
}
size_t newSize = GetSize() + sizeof(T) * count;
if (newCapacity < newSize)
newCapacity = newSize;
Resize(newCapacity);
}
void Resize(size_t newCapacity) {
const size_t size = GetSize(); // Backup the current size
stack_ = static_cast<char*>(allocator_->Realloc(stack_, GetCapacity(), newCapacity));
stackTop_ = stack_ + size;
stackEnd_ = stack_ + newCapacity;
}
void Destroy() {
Allocator::Free(stack_);
RAPIDJSON_DELETE(ownAllocator_); // Only delete if it is owned by the stack
}
// Prohibit copy constructor & assignment operator.
Stack(const Stack&);
Stack& operator=(const Stack&);
Allocator* allocator_;
Allocator* ownAllocator_;
char *stack_;
char *stackTop_;
char *stackEnd_;
size_t initialCapacity_;
};
} // namespace internal
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_STACK_H_

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vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_strfunc.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_INTERNAL_STRFUNC_H_
#define RAPIDJSON_INTERNAL_STRFUNC_H_
#include "lottie_rapidjson_stream.h"
#include <cwchar>
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
//! Custom strlen() which works on different character types.
/*! \tparam Ch Character type (e.g. char, wchar_t, short)
\param s Null-terminated input string.
\return Number of characters in the string.
\note This has the same semantics as strlen(), the return value is not number of Unicode codepoints.
*/
template <typename Ch>
inline SizeType StrLen(const Ch* s) {
RAPIDJSON_ASSERT(s != 0);
const Ch* p = s;
while (*p) ++p;
return SizeType(p - s);
}
template <>
inline SizeType StrLen(const char* s) {
return SizeType(std::strlen(s));
}
template <>
inline SizeType StrLen(const wchar_t* s) {
return SizeType(std::wcslen(s));
}
//! Returns number of code points in a encoded string.
template<typename Encoding>
bool CountStringCodePoint(const typename Encoding::Ch* s, SizeType length, SizeType* outCount) {
RAPIDJSON_ASSERT(s != 0);
RAPIDJSON_ASSERT(outCount != 0);
GenericStringStream<Encoding> is(s);
const typename Encoding::Ch* end = s + length;
SizeType count = 0;
while (is.src_ < end) {
unsigned codepoint;
if (!Encoding::Decode(is, &codepoint))
return false;
count++;
}
*outCount = count;
return true;
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_INTERNAL_STRFUNC_H_

290
vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_strtod.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_STRTOD_
#define RAPIDJSON_STRTOD_
#include "lottie_rapidjson_internal_ieee754.h"
#include "lottie_rapidjson_internal_biginteger.h"
#include "lottie_rapidjson_internal_diyfp.h"
#include "lottie_rapidjson_internal_pow10.h"
#include <climits>
#include <limits>
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
inline double FastPath(double significand, int exp) {
if (exp < -308)
return 0.0;
else if (exp >= 0)
return significand * internal::Pow10(exp);
else
return significand / internal::Pow10(-exp);
}
inline double StrtodNormalPrecision(double d, int p) {
if (p < -308) {
// Prevent expSum < -308, making Pow10(p) = 0
d = FastPath(d, -308);
d = FastPath(d, p + 308);
}
else
d = FastPath(d, p);
return d;
}
template <typename T>
inline T Min3(T a, T b, T c) {
T m = a;
if (m > b) m = b;
if (m > c) m = c;
return m;
}
inline int CheckWithinHalfULP(double b, const BigInteger& d, int dExp) {
const Double db(b);
const uint64_t bInt = db.IntegerSignificand();
const int bExp = db.IntegerExponent();
const int hExp = bExp - 1;
int dS_Exp2 = 0, dS_Exp5 = 0, bS_Exp2 = 0, bS_Exp5 = 0, hS_Exp2 = 0, hS_Exp5 = 0;
// Adjust for decimal exponent
if (dExp >= 0) {
dS_Exp2 += dExp;
dS_Exp5 += dExp;
}
else {
bS_Exp2 -= dExp;
bS_Exp5 -= dExp;
hS_Exp2 -= dExp;
hS_Exp5 -= dExp;
}
// Adjust for binary exponent
if (bExp >= 0)
bS_Exp2 += bExp;
else {
dS_Exp2 -= bExp;
hS_Exp2 -= bExp;
}
// Adjust for half ulp exponent
if (hExp >= 0)
hS_Exp2 += hExp;
else {
dS_Exp2 -= hExp;
bS_Exp2 -= hExp;
}
// Remove common power of two factor from all three scaled values
int common_Exp2 = Min3(dS_Exp2, bS_Exp2, hS_Exp2);
dS_Exp2 -= common_Exp2;
bS_Exp2 -= common_Exp2;
hS_Exp2 -= common_Exp2;
BigInteger dS = d;
dS.MultiplyPow5(static_cast<unsigned>(dS_Exp5)) <<= static_cast<unsigned>(dS_Exp2);
BigInteger bS(bInt);
bS.MultiplyPow5(static_cast<unsigned>(bS_Exp5)) <<= static_cast<unsigned>(bS_Exp2);
BigInteger hS(1);
hS.MultiplyPow5(static_cast<unsigned>(hS_Exp5)) <<= static_cast<unsigned>(hS_Exp2);
BigInteger delta(0);
dS.Difference(bS, &delta);
return delta.Compare(hS);
}
inline bool StrtodFast(double d, int p, double* result) {
// Use fast path for string-to-double conversion if possible
// see http://www.exploringbinary.com/fast-path-decimal-to-floating-point-conversion/
if (p > 22 && p < 22 + 16) {
// Fast Path Cases In Disguise
d *= internal::Pow10(p - 22);
p = 22;
}
if (p >= -22 && p <= 22 && d <= 9007199254740991.0) { // 2^53 - 1
*result = FastPath(d, p);
return true;
}
else
return false;
}
// Compute an approximation and see if it is within 1/2 ULP
inline bool StrtodDiyFp(const char* decimals, int dLen, int dExp, double* result) {
uint64_t significand = 0;
int i = 0; // 2^64 - 1 = 18446744073709551615, 1844674407370955161 = 0x1999999999999999
for (; i < dLen; i++) {
if (significand > RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) ||
(significand == RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) && decimals[i] > '5'))
break;
significand = significand * 10u + static_cast<unsigned>(decimals[i] - '0');
}
if (i < dLen && decimals[i] >= '5') // Rounding
significand++;
int remaining = dLen - i;
const int kUlpShift = 3;
const int kUlp = 1 << kUlpShift;
int64_t error = (remaining == 0) ? 0 : kUlp / 2;
DiyFp v(significand, 0);
v = v.Normalize();
error <<= -v.e;
dExp += remaining;
int actualExp;
DiyFp cachedPower = GetCachedPower10(dExp, &actualExp);
if (actualExp != dExp) {
static const DiyFp kPow10[] = {
DiyFp(RAPIDJSON_UINT64_C2(0xa0000000, 0x00000000), -60), // 10^1
DiyFp(RAPIDJSON_UINT64_C2(0xc8000000, 0x00000000), -57), // 10^2
DiyFp(RAPIDJSON_UINT64_C2(0xfa000000, 0x00000000), -54), // 10^3
DiyFp(RAPIDJSON_UINT64_C2(0x9c400000, 0x00000000), -50), // 10^4
DiyFp(RAPIDJSON_UINT64_C2(0xc3500000, 0x00000000), -47), // 10^5
DiyFp(RAPIDJSON_UINT64_C2(0xf4240000, 0x00000000), -44), // 10^6
DiyFp(RAPIDJSON_UINT64_C2(0x98968000, 0x00000000), -40) // 10^7
};
int adjustment = dExp - actualExp;
RAPIDJSON_ASSERT(adjustment >= 1 && adjustment < 8);
v = v * kPow10[adjustment - 1];
if (dLen + adjustment > 19) // has more digits than decimal digits in 64-bit
error += kUlp / 2;
}
v = v * cachedPower;
error += kUlp + (error == 0 ? 0 : 1);
const int oldExp = v.e;
v = v.Normalize();
error <<= oldExp - v.e;
const int effectiveSignificandSize = Double::EffectiveSignificandSize(64 + v.e);
int precisionSize = 64 - effectiveSignificandSize;
if (precisionSize + kUlpShift >= 64) {
int scaleExp = (precisionSize + kUlpShift) - 63;
v.f >>= scaleExp;
v.e += scaleExp;
error = (error >> scaleExp) + 1 + kUlp;
precisionSize -= scaleExp;
}
DiyFp rounded(v.f >> precisionSize, v.e + precisionSize);
const uint64_t precisionBits = (v.f & ((uint64_t(1) << precisionSize) - 1)) * kUlp;
const uint64_t halfWay = (uint64_t(1) << (precisionSize - 1)) * kUlp;
if (precisionBits >= halfWay + static_cast<unsigned>(error)) {
rounded.f++;
if (rounded.f & (DiyFp::kDpHiddenBit << 1)) { // rounding overflows mantissa (issue #340)
rounded.f >>= 1;
rounded.e++;
}
}
*result = rounded.ToDouble();
return halfWay - static_cast<unsigned>(error) >= precisionBits || precisionBits >= halfWay + static_cast<unsigned>(error);
}
inline double StrtodBigInteger(double approx, const char* decimals, int dLen, int dExp) {
RAPIDJSON_ASSERT(dLen >= 0);
const BigInteger dInt(decimals, static_cast<unsigned>(dLen));
Double a(approx);
int cmp = CheckWithinHalfULP(a.Value(), dInt, dExp);
if (cmp < 0)
return a.Value(); // within half ULP
else if (cmp == 0) {
// Round towards even
if (a.Significand() & 1)
return a.NextPositiveDouble();
else
return a.Value();
}
else // adjustment
return a.NextPositiveDouble();
}
inline double StrtodFullPrecision(double d, int p, const char* decimals, size_t length, size_t decimalPosition, int exp) {
RAPIDJSON_ASSERT(d >= 0.0);
RAPIDJSON_ASSERT(length >= 1);
double result = 0.0;
if (StrtodFast(d, p, &result))
return result;
RAPIDJSON_ASSERT(length <= INT_MAX);
int dLen = static_cast<int>(length);
RAPIDJSON_ASSERT(length >= decimalPosition);
RAPIDJSON_ASSERT(length - decimalPosition <= INT_MAX);
int dExpAdjust = static_cast<int>(length - decimalPosition);
RAPIDJSON_ASSERT(exp >= INT_MIN + dExpAdjust);
int dExp = exp - dExpAdjust;
// Make sure length+dExp does not overflow
RAPIDJSON_ASSERT(dExp <= INT_MAX - dLen);
// Trim leading zeros
while (dLen > 0 && *decimals == '0') {
dLen--;
decimals++;
}
// Trim trailing zeros
while (dLen > 0 && decimals[dLen - 1] == '0') {
dLen--;
dExp++;
}
if (dLen == 0) { // Buffer only contains zeros.
return 0.0;
}
// Trim right-most digits
const int kMaxDecimalDigit = 767 + 1;
if (dLen > kMaxDecimalDigit) {
dExp += dLen - kMaxDecimalDigit;
dLen = kMaxDecimalDigit;
}
// If too small, underflow to zero.
// Any x <= 10^-324 is interpreted as zero.
if (dLen + dExp <= -324)
return 0.0;
// If too large, overflow to infinity.
// Any x >= 10^309 is interpreted as +infinity.
if (dLen + dExp > 309)
return std::numeric_limits<double>::infinity();
if (StrtodDiyFp(decimals, dLen, dExp, &result))
return result;
// Use approximation from StrtodDiyFp and make adjustment with BigInteger comparison
return StrtodBigInteger(result, decimals, dLen, dExp);
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_STRTOD_

46
vendor/github.com/Benau/go_rlottie/lottie_rapidjson_internal_swap.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_INTERNAL_SWAP_H_
#define RAPIDJSON_INTERNAL_SWAP_H_
#include "lottie_rapidjson_rapidjson.h"
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++98-compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
namespace internal {
//! Custom swap() to avoid dependency on C++ <algorithm> header
/*! \tparam T Type of the arguments to swap, should be instantiated with primitive C++ types only.
\note This has the same semantics as std::swap().
*/
template <typename T>
inline void Swap(T& a, T& b) RAPIDJSON_NOEXCEPT {
T tmp = a;
a = b;
b = tmp;
}
} // namespace internal
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_INTERNAL_SWAP_H_

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vendor/github.com/Benau/go_rlottie/lottie_rapidjson_istreamwrapper.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ISTREAMWRAPPER_H_
#define RAPIDJSON_ISTREAMWRAPPER_H_
#include "lottie_rapidjson_stream.h"
#include <iosfwd>
#include <ios>
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#elif defined(_MSC_VER)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4351) // new behavior: elements of array 'array' will be default initialized
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Wrapper of \c std::basic_istream into RapidJSON's Stream concept.
/*!
The classes can be wrapped including but not limited to:
- \c std::istringstream
- \c std::stringstream
- \c std::wistringstream
- \c std::wstringstream
- \c std::ifstream
- \c std::fstream
- \c std::wifstream
- \c std::wfstream
\tparam StreamType Class derived from \c std::basic_istream.
*/
template <typename StreamType>
class BasicIStreamWrapper {
public:
typedef typename StreamType::char_type Ch;
//! Constructor.
/*!
\param stream stream opened for read.
*/
BasicIStreamWrapper(StreamType &stream) : stream_(stream), buffer_(peekBuffer_), bufferSize_(4), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) {
Read();
}
//! Constructor.
/*!
\param stream stream opened for read.
\param buffer user-supplied buffer.
\param bufferSize size of buffer in bytes. Must >=4 bytes.
*/
BasicIStreamWrapper(StreamType &stream, char* buffer, size_t bufferSize) : stream_(stream), buffer_(buffer), bufferSize_(bufferSize), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) {
RAPIDJSON_ASSERT(bufferSize >= 4);
Read();
}
Ch Peek() const { return *current_; }
Ch Take() { Ch c = *current_; Read(); return c; }
size_t Tell() const { return count_ + static_cast<size_t>(current_ - buffer_); }
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
// For encoding detection only.
const Ch* Peek4() const {
return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0;
}
private:
BasicIStreamWrapper();
BasicIStreamWrapper(const BasicIStreamWrapper&);
BasicIStreamWrapper& operator=(const BasicIStreamWrapper&);
void Read() {
if (current_ < bufferLast_)
++current_;
else if (!eof_) {
count_ += readCount_;
readCount_ = bufferSize_;
bufferLast_ = buffer_ + readCount_ - 1;
current_ = buffer_;
if (!stream_.read(buffer_, static_cast<std::streamsize>(bufferSize_))) {
readCount_ = static_cast<size_t>(stream_.gcount());
*(bufferLast_ = buffer_ + readCount_) = '\0';
eof_ = true;
}
}
}
StreamType &stream_;
Ch peekBuffer_[4], *buffer_;
size_t bufferSize_;
Ch *bufferLast_;
Ch *current_;
size_t readCount_;
size_t count_; //!< Number of characters read
bool eof_;
};
typedef BasicIStreamWrapper<std::istream> IStreamWrapper;
typedef BasicIStreamWrapper<std::wistream> WIStreamWrapper;
#if defined(__clang__) || defined(_MSC_VER)
RAPIDJSON_DIAG_POP
#endif
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_ISTREAMWRAPPER_H_

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vendor/github.com/Benau/go_rlottie/lottie_rapidjson_memorybuffer.h generated vendored Normal file
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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_MEMORYBUFFER_H_
#define RAPIDJSON_MEMORYBUFFER_H_
#include "lottie_rapidjson_stream.h"
#include "lottie_rapidjson_internal_stack.h"
RAPIDJSON_NAMESPACE_BEGIN
//! Represents an in-memory output byte stream.
/*!
This class is mainly for being wrapped by EncodedOutputStream or AutoUTFOutputStream.
It is similar to FileWriteBuffer but the destination is an in-memory buffer instead of a file.
Differences between MemoryBuffer and StringBuffer:
1. StringBuffer has Encoding but MemoryBuffer is only a byte buffer.
2. StringBuffer::GetString() returns a null-terminated string. MemoryBuffer::GetBuffer() returns a buffer without terminator.
\tparam Allocator type for allocating memory buffer.
\note implements Stream concept
*/
template <typename Allocator = CrtAllocator>
struct GenericMemoryBuffer {
typedef char Ch; // byte
GenericMemoryBuffer(Allocator* allocator = 0, size_t capacity = kDefaultCapacity) : stack_(allocator, capacity) {}
void Put(Ch c) { *stack_.template Push<Ch>() = c; }
void Flush() {}
void Clear() { stack_.Clear(); }
void ShrinkToFit() { stack_.ShrinkToFit(); }
Ch* Push(size_t count) { return stack_.template Push<Ch>(count); }
void Pop(size_t count) { stack_.template Pop<Ch>(count); }
const Ch* GetBuffer() const {
return stack_.template Bottom<Ch>();
}
size_t GetSize() const { return stack_.GetSize(); }
static const size_t kDefaultCapacity = 256;
mutable internal::Stack<Allocator> stack_;
};
typedef GenericMemoryBuffer<> MemoryBuffer;
//! Implement specialized version of PutN() with memset() for better performance.
template<>
inline void PutN(MemoryBuffer& memoryBuffer, char c, size_t n) {
std::memset(memoryBuffer.stack_.Push<char>(n), c, n * sizeof(c));
}
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_MEMORYBUFFER_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_MEMORYSTREAM_H_
#define RAPIDJSON_MEMORYSTREAM_H_
#include "lottie_rapidjson_stream.h"
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(unreachable-code)
RAPIDJSON_DIAG_OFF(missing-noreturn)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Represents an in-memory input byte stream.
/*!
This class is mainly for being wrapped by EncodedInputStream or AutoUTFInputStream.
It is similar to FileReadBuffer but the source is an in-memory buffer instead of a file.
Differences between MemoryStream and StringStream:
1. StringStream has encoding but MemoryStream is a byte stream.
2. MemoryStream needs size of the source buffer and the buffer don't need to be null terminated. StringStream assume null-terminated string as source.
3. MemoryStream supports Peek4() for encoding detection. StringStream is specified with an encoding so it should not have Peek4().
\note implements Stream concept
*/
struct MemoryStream {
typedef char Ch; // byte
MemoryStream(const Ch *src, size_t size) : src_(src), begin_(src), end_(src + size), size_(size) {}
Ch Peek() const { return RAPIDJSON_UNLIKELY(src_ == end_) ? '\0' : *src_; }
Ch Take() { return RAPIDJSON_UNLIKELY(src_ == end_) ? '\0' : *src_++; }
size_t Tell() const { return static_cast<size_t>(src_ - begin_); }
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
// For encoding detection only.
const Ch* Peek4() const {
return Tell() + 4 <= size_ ? src_ : 0;
}
const Ch* src_; //!< Current read position.
const Ch* begin_; //!< Original head of the string.
const Ch* end_; //!< End of stream.
size_t size_; //!< Size of the stream.
};
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_MEMORYBUFFER_H_

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// ISO C9x compliant inttypes.h for Microsoft Visual Studio
// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
//
// Copyright (c) 2006-2013 Alexander Chemeris
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the product nor the names of its contributors may
// be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////
// The above software in this distribution may have been modified by
// THL A29 Limited ("Tencent Modifications").
// All Tencent Modifications are Copyright (C) 2015 THL A29 Limited.
#ifndef _MSC_VER // [
#error "Use this header only with Microsoft Visual C++ compilers!"
#endif // _MSC_VER ]
#ifndef _MSC_INTTYPES_H_ // [
#define _MSC_INTTYPES_H_
#if _MSC_VER > 1000
#pragma once
#endif
#include "lottie_rapidjson_msinttypes_stdint.h"
// miloyip: VC supports inttypes.h since VC2013
#if _MSC_VER >= 1800
#include <inttypes.h>
#else
// 7.8 Format conversion of integer types
typedef struct {
intmax_t quot;
intmax_t rem;
} imaxdiv_t;
// 7.8.1 Macros for format specifiers
#if !defined(__cplusplus) || defined(__STDC_FORMAT_MACROS) // [ See footnote 185 at page 198
// The fprintf macros for signed integers are:
#define PRId8 "d"
#define PRIi8 "i"
#define PRIdLEAST8 "d"
#define PRIiLEAST8 "i"
#define PRIdFAST8 "d"
#define PRIiFAST8 "i"
#define PRId16 "hd"
#define PRIi16 "hi"
#define PRIdLEAST16 "hd"
#define PRIiLEAST16 "hi"
#define PRIdFAST16 "hd"
#define PRIiFAST16 "hi"
#define PRId32 "I32d"
#define PRIi32 "I32i"
#define PRIdLEAST32 "I32d"
#define PRIiLEAST32 "I32i"
#define PRIdFAST32 "I32d"
#define PRIiFAST32 "I32i"
#define PRId64 "I64d"
#define PRIi64 "I64i"
#define PRIdLEAST64 "I64d"
#define PRIiLEAST64 "I64i"
#define PRIdFAST64 "I64d"
#define PRIiFAST64 "I64i"
#define PRIdMAX "I64d"
#define PRIiMAX "I64i"
#define PRIdPTR "Id"
#define PRIiPTR "Ii"
// The fprintf macros for unsigned integers are:
#define PRIo8 "o"
#define PRIu8 "u"
#define PRIx8 "x"
#define PRIX8 "X"
#define PRIoLEAST8 "o"
#define PRIuLEAST8 "u"
#define PRIxLEAST8 "x"
#define PRIXLEAST8 "X"
#define PRIoFAST8 "o"
#define PRIuFAST8 "u"
#define PRIxFAST8 "x"
#define PRIXFAST8 "X"
#define PRIo16 "ho"
#define PRIu16 "hu"
#define PRIx16 "hx"
#define PRIX16 "hX"
#define PRIoLEAST16 "ho"
#define PRIuLEAST16 "hu"
#define PRIxLEAST16 "hx"
#define PRIXLEAST16 "hX"
#define PRIoFAST16 "ho"
#define PRIuFAST16 "hu"
#define PRIxFAST16 "hx"
#define PRIXFAST16 "hX"
#define PRIo32 "I32o"
#define PRIu32 "I32u"
#define PRIx32 "I32x"
#define PRIX32 "I32X"
#define PRIoLEAST32 "I32o"
#define PRIuLEAST32 "I32u"
#define PRIxLEAST32 "I32x"
#define PRIXLEAST32 "I32X"
#define PRIoFAST32 "I32o"
#define PRIuFAST32 "I32u"
#define PRIxFAST32 "I32x"
#define PRIXFAST32 "I32X"
#define PRIo64 "I64o"
#define PRIu64 "I64u"
#define PRIx64 "I64x"
#define PRIX64 "I64X"
#define PRIoLEAST64 "I64o"
#define PRIuLEAST64 "I64u"
#define PRIxLEAST64 "I64x"
#define PRIXLEAST64 "I64X"
#define PRIoFAST64 "I64o"
#define PRIuFAST64 "I64u"
#define PRIxFAST64 "I64x"
#define PRIXFAST64 "I64X"
#define PRIoMAX "I64o"
#define PRIuMAX "I64u"
#define PRIxMAX "I64x"
#define PRIXMAX "I64X"
#define PRIoPTR "Io"
#define PRIuPTR "Iu"
#define PRIxPTR "Ix"
#define PRIXPTR "IX"
// The fscanf macros for signed integers are:
#define SCNd8 "d"
#define SCNi8 "i"
#define SCNdLEAST8 "d"
#define SCNiLEAST8 "i"
#define SCNdFAST8 "d"
#define SCNiFAST8 "i"
#define SCNd16 "hd"
#define SCNi16 "hi"
#define SCNdLEAST16 "hd"
#define SCNiLEAST16 "hi"
#define SCNdFAST16 "hd"
#define SCNiFAST16 "hi"
#define SCNd32 "ld"
#define SCNi32 "li"
#define SCNdLEAST32 "ld"
#define SCNiLEAST32 "li"
#define SCNdFAST32 "ld"
#define SCNiFAST32 "li"
#define SCNd64 "I64d"
#define SCNi64 "I64i"
#define SCNdLEAST64 "I64d"
#define SCNiLEAST64 "I64i"
#define SCNdFAST64 "I64d"
#define SCNiFAST64 "I64i"
#define SCNdMAX "I64d"
#define SCNiMAX "I64i"
#ifdef _WIN64 // [
# define SCNdPTR "I64d"
# define SCNiPTR "I64i"
#else // _WIN64 ][
# define SCNdPTR "ld"
# define SCNiPTR "li"
#endif // _WIN64 ]
// The fscanf macros for unsigned integers are:
#define SCNo8 "o"
#define SCNu8 "u"
#define SCNx8 "x"
#define SCNX8 "X"
#define SCNoLEAST8 "o"
#define SCNuLEAST8 "u"
#define SCNxLEAST8 "x"
#define SCNXLEAST8 "X"
#define SCNoFAST8 "o"
#define SCNuFAST8 "u"
#define SCNxFAST8 "x"
#define SCNXFAST8 "X"
#define SCNo16 "ho"
#define SCNu16 "hu"
#define SCNx16 "hx"
#define SCNX16 "hX"
#define SCNoLEAST16 "ho"
#define SCNuLEAST16 "hu"
#define SCNxLEAST16 "hx"
#define SCNXLEAST16 "hX"
#define SCNoFAST16 "ho"
#define SCNuFAST16 "hu"
#define SCNxFAST16 "hx"
#define SCNXFAST16 "hX"
#define SCNo32 "lo"
#define SCNu32 "lu"
#define SCNx32 "lx"
#define SCNX32 "lX"
#define SCNoLEAST32 "lo"
#define SCNuLEAST32 "lu"
#define SCNxLEAST32 "lx"
#define SCNXLEAST32 "lX"
#define SCNoFAST32 "lo"
#define SCNuFAST32 "lu"
#define SCNxFAST32 "lx"
#define SCNXFAST32 "lX"
#define SCNo64 "I64o"
#define SCNu64 "I64u"
#define SCNx64 "I64x"
#define SCNX64 "I64X"
#define SCNoLEAST64 "I64o"
#define SCNuLEAST64 "I64u"
#define SCNxLEAST64 "I64x"
#define SCNXLEAST64 "I64X"
#define SCNoFAST64 "I64o"
#define SCNuFAST64 "I64u"
#define SCNxFAST64 "I64x"
#define SCNXFAST64 "I64X"
#define SCNoMAX "I64o"
#define SCNuMAX "I64u"
#define SCNxMAX "I64x"
#define SCNXMAX "I64X"
#ifdef _WIN64 // [
# define SCNoPTR "I64o"
# define SCNuPTR "I64u"
# define SCNxPTR "I64x"
# define SCNXPTR "I64X"
#else // _WIN64 ][
# define SCNoPTR "lo"
# define SCNuPTR "lu"
# define SCNxPTR "lx"
# define SCNXPTR "lX"
#endif // _WIN64 ]
#endif // __STDC_FORMAT_MACROS ]
// 7.8.2 Functions for greatest-width integer types
// 7.8.2.1 The imaxabs function
#define imaxabs _abs64
// 7.8.2.2 The imaxdiv function
// This is modified version of div() function from Microsoft's div.c found
// in %MSVC.NET%\crt\src\div.c
#ifdef STATIC_IMAXDIV // [
static
#else // STATIC_IMAXDIV ][
_inline
#endif // STATIC_IMAXDIV ]
imaxdiv_t __cdecl imaxdiv(intmax_t numer, intmax_t denom)
{
imaxdiv_t result;
result.quot = numer / denom;
result.rem = numer % denom;
if (numer < 0 && result.rem > 0) {
// did division wrong; must fix up
++result.quot;
result.rem -= denom;
}
return result;
}
// 7.8.2.3 The strtoimax and strtoumax functions
#define strtoimax _strtoi64
#define strtoumax _strtoui64
// 7.8.2.4 The wcstoimax and wcstoumax functions
#define wcstoimax _wcstoi64
#define wcstoumax _wcstoui64
#endif // _MSC_VER >= 1800
#endif // _MSC_INTTYPES_H_ ]

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// ISO C9x compliant stdint.h for Microsoft Visual Studio
// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
//
// Copyright (c) 2006-2013 Alexander Chemeris
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the product nor the names of its contributors may
// be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////
// The above software in this distribution may have been modified by
// THL A29 Limited ("Tencent Modifications").
// All Tencent Modifications are Copyright (C) 2015 THL A29 Limited.
#ifndef _MSC_VER // [
#error "Use this header only with Microsoft Visual C++ compilers!"
#endif // _MSC_VER ]
#ifndef _MSC_STDINT_H_ // [
#define _MSC_STDINT_H_
#if _MSC_VER > 1000
#pragma once
#endif
// miloyip: Originally Visual Studio 2010 uses its own stdint.h. However it generates warning with INT64_C(), so change to use this file for vs2010.
#if _MSC_VER >= 1600 // [
#include <stdint.h>
#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
#undef INT8_C
#undef INT16_C
#undef INT32_C
#undef INT64_C
#undef UINT8_C
#undef UINT16_C
#undef UINT32_C
#undef UINT64_C
// 7.18.4.1 Macros for minimum-width integer constants
#define INT8_C(val) val##i8
#define INT16_C(val) val##i16
#define INT32_C(val) val##i32
#define INT64_C(val) val##i64
#define UINT8_C(val) val##ui8
#define UINT16_C(val) val##ui16
#define UINT32_C(val) val##ui32
#define UINT64_C(val) val##ui64
// 7.18.4.2 Macros for greatest-width integer constants
// These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
// Check out Issue 9 for the details.
#ifndef INTMAX_C // [
# define INTMAX_C INT64_C
#endif // INTMAX_C ]
#ifndef UINTMAX_C // [
# define UINTMAX_C UINT64_C
#endif // UINTMAX_C ]
#endif // __STDC_CONSTANT_MACROS ]
#else // ] _MSC_VER >= 1700 [
#include <limits.h>
// For Visual Studio 6 in C++ mode and for many Visual Studio versions when
// compiling for ARM we have to wrap <wchar.h> include with 'extern "C++" {}'
// or compiler would give many errors like this:
// error C2733: second C linkage of overloaded function 'wmemchr' not allowed
#if defined(__cplusplus) && !defined(_M_ARM)
extern "C" {
#endif
# include <wchar.h>
#if defined(__cplusplus) && !defined(_M_ARM)
}
#endif
// Define _W64 macros to mark types changing their size, like intptr_t.
#ifndef _W64
# if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
# define _W64 __w64
# else
# define _W64
# endif
#endif
// 7.18.1 Integer types
// 7.18.1.1 Exact-width integer types
// Visual Studio 6 and Embedded Visual C++ 4 doesn't
// realize that, e.g. char has the same size as __int8
// so we give up on __intX for them.
#if (_MSC_VER < 1300)
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
#else
typedef signed __int8 int8_t;
typedef signed __int16 int16_t;
typedef signed __int32 int32_t;
typedef unsigned __int8 uint8_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int32 uint32_t;
#endif
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
// 7.18.1.2 Minimum-width integer types
typedef int8_t int_least8_t;
typedef int16_t int_least16_t;
typedef int32_t int_least32_t;
typedef int64_t int_least64_t;
typedef uint8_t uint_least8_t;
typedef uint16_t uint_least16_t;
typedef uint32_t uint_least32_t;
typedef uint64_t uint_least64_t;
// 7.18.1.3 Fastest minimum-width integer types
typedef int8_t int_fast8_t;
typedef int16_t int_fast16_t;
typedef int32_t int_fast32_t;
typedef int64_t int_fast64_t;
typedef uint8_t uint_fast8_t;
typedef uint16_t uint_fast16_t;
typedef uint32_t uint_fast32_t;
typedef uint64_t uint_fast64_t;
// 7.18.1.4 Integer types capable of holding object pointers
#ifdef _WIN64 // [
typedef signed __int64 intptr_t;
typedef unsigned __int64 uintptr_t;
#else // _WIN64 ][
typedef _W64 signed int intptr_t;
typedef _W64 unsigned int uintptr_t;
#endif // _WIN64 ]
// 7.18.1.5 Greatest-width integer types
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
// 7.18.2 Limits of specified-width integer types
#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259
// 7.18.2.1 Limits of exact-width integer types
#define INT8_MIN ((int8_t)_I8_MIN)
#define INT8_MAX _I8_MAX
#define INT16_MIN ((int16_t)_I16_MIN)
#define INT16_MAX _I16_MAX
#define INT32_MIN ((int32_t)_I32_MIN)
#define INT32_MAX _I32_MAX
#define INT64_MIN ((int64_t)_I64_MIN)
#define INT64_MAX _I64_MAX
#define UINT8_MAX _UI8_MAX
#define UINT16_MAX _UI16_MAX
#define UINT32_MAX _UI32_MAX
#define UINT64_MAX _UI64_MAX
// 7.18.2.2 Limits of minimum-width integer types
#define INT_LEAST8_MIN INT8_MIN
#define INT_LEAST8_MAX INT8_MAX
#define INT_LEAST16_MIN INT16_MIN
#define INT_LEAST16_MAX INT16_MAX
#define INT_LEAST32_MIN INT32_MIN
#define INT_LEAST32_MAX INT32_MAX
#define INT_LEAST64_MIN INT64_MIN
#define INT_LEAST64_MAX INT64_MAX
#define UINT_LEAST8_MAX UINT8_MAX
#define UINT_LEAST16_MAX UINT16_MAX
#define UINT_LEAST32_MAX UINT32_MAX
#define UINT_LEAST64_MAX UINT64_MAX
// 7.18.2.3 Limits of fastest minimum-width integer types
#define INT_FAST8_MIN INT8_MIN
#define INT_FAST8_MAX INT8_MAX
#define INT_FAST16_MIN INT16_MIN
#define INT_FAST16_MAX INT16_MAX
#define INT_FAST32_MIN INT32_MIN
#define INT_FAST32_MAX INT32_MAX
#define INT_FAST64_MIN INT64_MIN
#define INT_FAST64_MAX INT64_MAX
#define UINT_FAST8_MAX UINT8_MAX
#define UINT_FAST16_MAX UINT16_MAX
#define UINT_FAST32_MAX UINT32_MAX
#define UINT_FAST64_MAX UINT64_MAX
// 7.18.2.4 Limits of integer types capable of holding object pointers
#ifdef _WIN64 // [
# define INTPTR_MIN INT64_MIN
# define INTPTR_MAX INT64_MAX
# define UINTPTR_MAX UINT64_MAX
#else // _WIN64 ][
# define INTPTR_MIN INT32_MIN
# define INTPTR_MAX INT32_MAX
# define UINTPTR_MAX UINT32_MAX
#endif // _WIN64 ]
// 7.18.2.5 Limits of greatest-width integer types
#define INTMAX_MIN INT64_MIN
#define INTMAX_MAX INT64_MAX
#define UINTMAX_MAX UINT64_MAX
// 7.18.3 Limits of other integer types
#ifdef _WIN64 // [
# define PTRDIFF_MIN _I64_MIN
# define PTRDIFF_MAX _I64_MAX
#else // _WIN64 ][
# define PTRDIFF_MIN _I32_MIN
# define PTRDIFF_MAX _I32_MAX
#endif // _WIN64 ]
#define SIG_ATOMIC_MIN INT_MIN
#define SIG_ATOMIC_MAX INT_MAX
#ifndef SIZE_MAX // [
# ifdef _WIN64 // [
# define SIZE_MAX _UI64_MAX
# else // _WIN64 ][
# define SIZE_MAX _UI32_MAX
# endif // _WIN64 ]
#endif // SIZE_MAX ]
// WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
#ifndef WCHAR_MIN // [
# define WCHAR_MIN 0
#endif // WCHAR_MIN ]
#ifndef WCHAR_MAX // [
# define WCHAR_MAX _UI16_MAX
#endif // WCHAR_MAX ]
#define WINT_MIN 0
#define WINT_MAX _UI16_MAX
#endif // __STDC_LIMIT_MACROS ]
// 7.18.4 Limits of other integer types
#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
// 7.18.4.1 Macros for minimum-width integer constants
#define INT8_C(val) val##i8
#define INT16_C(val) val##i16
#define INT32_C(val) val##i32
#define INT64_C(val) val##i64
#define UINT8_C(val) val##ui8
#define UINT16_C(val) val##ui16
#define UINT32_C(val) val##ui32
#define UINT64_C(val) val##ui64
// 7.18.4.2 Macros for greatest-width integer constants
// These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
// Check out Issue 9 for the details.
#ifndef INTMAX_C // [
# define INTMAX_C INT64_C
#endif // INTMAX_C ]
#ifndef UINTMAX_C // [
# define UINTMAX_C UINT64_C
#endif // UINTMAX_C ]
#endif // __STDC_CONSTANT_MACROS ]
#endif // _MSC_VER >= 1600 ]
#endif // _MSC_STDINT_H_ ]

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_OSTREAMWRAPPER_H_
#define RAPIDJSON_OSTREAMWRAPPER_H_
#include "lottie_rapidjson_stream.h"
#include <iosfwd>
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Wrapper of \c std::basic_ostream into RapidJSON's Stream concept.
/*!
The classes can be wrapped including but not limited to:
- \c std::ostringstream
- \c std::stringstream
- \c std::wpstringstream
- \c std::wstringstream
- \c std::ifstream
- \c std::fstream
- \c std::wofstream
- \c std::wfstream
\tparam StreamType Class derived from \c std::basic_ostream.
*/
template <typename StreamType>
class BasicOStreamWrapper {
public:
typedef typename StreamType::char_type Ch;
BasicOStreamWrapper(StreamType& stream) : stream_(stream) {}
void Put(Ch c) {
stream_.put(c);
}
void Flush() {
stream_.flush();
}
// Not implemented
char Peek() const { RAPIDJSON_ASSERT(false); return 0; }
char Take() { RAPIDJSON_ASSERT(false); return 0; }
size_t Tell() const { RAPIDJSON_ASSERT(false); return 0; }
char* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
size_t PutEnd(char*) { RAPIDJSON_ASSERT(false); return 0; }
private:
BasicOStreamWrapper(const BasicOStreamWrapper&);
BasicOStreamWrapper& operator=(const BasicOStreamWrapper&);
StreamType& stream_;
};
typedef BasicOStreamWrapper<std::ostream> OStreamWrapper;
typedef BasicOStreamWrapper<std::wostream> WOStreamWrapper;
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_OSTREAMWRAPPER_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_PRETTYWRITER_H_
#define RAPIDJSON_PRETTYWRITER_H_
#include "lottie_rapidjson_writer.h"
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++98-compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Combination of PrettyWriter format flags.
/*! \see PrettyWriter::SetFormatOptions
*/
enum PrettyFormatOptions {
kFormatDefault = 0, //!< Default pretty formatting.
kFormatSingleLineArray = 1 //!< Format arrays on a single line.
};
//! Writer with indentation and spacing.
/*!
\tparam OutputStream Type of output os.
\tparam SourceEncoding Encoding of source string.
\tparam TargetEncoding Encoding of output stream.
\tparam StackAllocator Type of allocator for allocating memory of stack.
*/
template<typename OutputStream, typename SourceEncoding = UTF8<>, typename TargetEncoding = UTF8<>, typename StackAllocator = CrtAllocator, unsigned writeFlags = kWriteDefaultFlags>
class PrettyWriter : public Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator, writeFlags> {
public:
typedef Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator, writeFlags> Base;
typedef typename Base::Ch Ch;
//! Constructor
/*! \param os Output stream.
\param allocator User supplied allocator. If it is null, it will create a private one.
\param levelDepth Initial capacity of stack.
*/
explicit PrettyWriter(OutputStream& os, StackAllocator* allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
Base(os, allocator, levelDepth), indentChar_(' '), indentCharCount_(4), formatOptions_(kFormatDefault) {}
explicit PrettyWriter(StackAllocator* allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
Base(allocator, levelDepth), indentChar_(' '), indentCharCount_(4), formatOptions_(kFormatDefault) {}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
PrettyWriter(PrettyWriter&& rhs) :
Base(std::forward<PrettyWriter>(rhs)), indentChar_(rhs.indentChar_), indentCharCount_(rhs.indentCharCount_), formatOptions_(rhs.formatOptions_) {}
#endif
//! Set custom indentation.
/*! \param indentChar Character for indentation. Must be whitespace character (' ', '\\t', '\\n', '\\r').
\param indentCharCount Number of indent characters for each indentation level.
\note The default indentation is 4 spaces.
*/
PrettyWriter& SetIndent(Ch indentChar, unsigned indentCharCount) {
RAPIDJSON_ASSERT(indentChar == ' ' || indentChar == '\t' || indentChar == '\n' || indentChar == '\r');
indentChar_ = indentChar;
indentCharCount_ = indentCharCount;
return *this;
}
//! Set pretty writer formatting options.
/*! \param options Formatting options.
*/
PrettyWriter& SetFormatOptions(PrettyFormatOptions options) {
formatOptions_ = options;
return *this;
}
/*! @name Implementation of Handler
\see Handler
*/
//@{
bool Null() { PrettyPrefix(kNullType); return Base::EndValue(Base::WriteNull()); }
bool Bool(bool b) { PrettyPrefix(b ? kTrueType : kFalseType); return Base::EndValue(Base::WriteBool(b)); }
bool Int(int i) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteInt(i)); }
bool Uint(unsigned u) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteUint(u)); }
bool Int64(int64_t i64) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteInt64(i64)); }
bool Uint64(uint64_t u64) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteUint64(u64)); }
bool Double(double d) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteDouble(d)); }
bool RawNumber(const Ch* str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
PrettyPrefix(kNumberType);
return Base::EndValue(Base::WriteString(str, length));
}
bool String(const Ch* str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
PrettyPrefix(kStringType);
return Base::EndValue(Base::WriteString(str, length));
}
#if RAPIDJSON_HAS_STDSTRING
bool String(const std::basic_string<Ch>& str) {
return String(str.data(), SizeType(str.size()));
}
#endif
bool StartObject() {
PrettyPrefix(kObjectType);
new (Base::level_stack_.template Push<typename Base::Level>()) typename Base::Level(false);
return Base::WriteStartObject();
}
bool Key(const Ch* str, SizeType length, bool copy = false) { return String(str, length, copy); }
#if RAPIDJSON_HAS_STDSTRING
bool Key(const std::basic_string<Ch>& str) {
return Key(str.data(), SizeType(str.size()));
}
#endif
bool EndObject(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level)); // not inside an Object
RAPIDJSON_ASSERT(!Base::level_stack_.template Top<typename Base::Level>()->inArray); // currently inside an Array, not Object
RAPIDJSON_ASSERT(0 == Base::level_stack_.template Top<typename Base::Level>()->valueCount % 2); // Object has a Key without a Value
bool empty = Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount == 0;
if (!empty) {
Base::os_->Put('\n');
WriteIndent();
}
bool ret = Base::EndValue(Base::WriteEndObject());
(void)ret;
RAPIDJSON_ASSERT(ret == true);
if (Base::level_stack_.Empty()) // end of json text
Base::Flush();
return true;
}
bool StartArray() {
PrettyPrefix(kArrayType);
new (Base::level_stack_.template Push<typename Base::Level>()) typename Base::Level(true);
return Base::WriteStartArray();
}
bool EndArray(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level));
RAPIDJSON_ASSERT(Base::level_stack_.template Top<typename Base::Level>()->inArray);
bool empty = Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount == 0;
if (!empty && !(formatOptions_ & kFormatSingleLineArray)) {
Base::os_->Put('\n');
WriteIndent();
}
bool ret = Base::EndValue(Base::WriteEndArray());
(void)ret;
RAPIDJSON_ASSERT(ret == true);
if (Base::level_stack_.Empty()) // end of json text
Base::Flush();
return true;
}
//@}
/*! @name Convenience extensions */
//@{
//! Simpler but slower overload.
bool String(const Ch* str) { return String(str, internal::StrLen(str)); }
bool Key(const Ch* str) { return Key(str, internal::StrLen(str)); }
//@}
//! Write a raw JSON value.
/*!
For user to write a stringified JSON as a value.
\param json A well-formed JSON value. It should not contain null character within [0, length - 1] range.
\param length Length of the json.
\param type Type of the root of json.
\note When using PrettyWriter::RawValue(), the result json may not be indented correctly.
*/
bool RawValue(const Ch* json, size_t length, Type type) {
RAPIDJSON_ASSERT(json != 0);
PrettyPrefix(type);
return Base::EndValue(Base::WriteRawValue(json, length));
}
protected:
void PrettyPrefix(Type type) {
(void)type;
if (Base::level_stack_.GetSize() != 0) { // this value is not at root
typename Base::Level* level = Base::level_stack_.template Top<typename Base::Level>();
if (level->inArray) {
if (level->valueCount > 0) {
Base::os_->Put(','); // add comma if it is not the first element in array
if (formatOptions_ & kFormatSingleLineArray)
Base::os_->Put(' ');
}
if (!(formatOptions_ & kFormatSingleLineArray)) {
Base::os_->Put('\n');
WriteIndent();
}
}
else { // in object
if (level->valueCount > 0) {
if (level->valueCount % 2 == 0) {
Base::os_->Put(',');
Base::os_->Put('\n');
}
else {
Base::os_->Put(':');
Base::os_->Put(' ');
}
}
else
Base::os_->Put('\n');
if (level->valueCount % 2 == 0)
WriteIndent();
}
if (!level->inArray && level->valueCount % 2 == 0)
RAPIDJSON_ASSERT(type == kStringType); // if it's in object, then even number should be a name
level->valueCount++;
}
else {
RAPIDJSON_ASSERT(!Base::hasRoot_); // Should only has one and only one root.
Base::hasRoot_ = true;
}
}
void WriteIndent() {
size_t count = (Base::level_stack_.GetSize() / sizeof(typename Base::Level)) * indentCharCount_;
PutN(*Base::os_, static_cast<typename OutputStream::Ch>(indentChar_), count);
}
Ch indentChar_;
unsigned indentCharCount_;
PrettyFormatOptions formatOptions_;
private:
// Prohibit copy constructor & assignment operator.
PrettyWriter(const PrettyWriter&);
PrettyWriter& operator=(const PrettyWriter&);
};
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_RAPIDJSON_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_RAPIDJSON_H_
#define RAPIDJSON_RAPIDJSON_H_
/*!\file rapidjson.h
\brief common definitions and configuration
\see RAPIDJSON_CONFIG
*/
/*! \defgroup RAPIDJSON_CONFIG RapidJSON configuration
\brief Configuration macros for library features
Some RapidJSON features are configurable to adapt the library to a wide
variety of platforms, environments and usage scenarios. Most of the
features can be configured in terms of overridden or predefined
preprocessor macros at compile-time.
Some additional customization is available in the \ref RAPIDJSON_ERRORS APIs.
\note These macros should be given on the compiler command-line
(where applicable) to avoid inconsistent values when compiling
different translation units of a single application.
*/
#include <cstdlib> // malloc(), realloc(), free(), size_t
#include <cstring> // memset(), memcpy(), memmove(), memcmp()
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_VERSION_STRING
//
// ALWAYS synchronize the following 3 macros with corresponding variables in /CMakeLists.txt.
//
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
// token stringification
#define RAPIDJSON_STRINGIFY(x) RAPIDJSON_DO_STRINGIFY(x)
#define RAPIDJSON_DO_STRINGIFY(x) #x
// token concatenation
#define RAPIDJSON_JOIN(X, Y) RAPIDJSON_DO_JOIN(X, Y)
#define RAPIDJSON_DO_JOIN(X, Y) RAPIDJSON_DO_JOIN2(X, Y)
#define RAPIDJSON_DO_JOIN2(X, Y) X##Y
//!@endcond
/*! \def RAPIDJSON_MAJOR_VERSION
\ingroup RAPIDJSON_CONFIG
\brief Major version of RapidJSON in integer.
*/
/*! \def RAPIDJSON_MINOR_VERSION
\ingroup RAPIDJSON_CONFIG
\brief Minor version of RapidJSON in integer.
*/
/*! \def RAPIDJSON_PATCH_VERSION
\ingroup RAPIDJSON_CONFIG
\brief Patch version of RapidJSON in integer.
*/
/*! \def RAPIDJSON_VERSION_STRING
\ingroup RAPIDJSON_CONFIG
\brief Version of RapidJSON in "<major>.<minor>.<patch>" string format.
*/
#define RAPIDJSON_MAJOR_VERSION 1
#define RAPIDJSON_MINOR_VERSION 1
#define RAPIDJSON_PATCH_VERSION 0
#define RAPIDJSON_VERSION_STRING \
RAPIDJSON_STRINGIFY(RAPIDJSON_MAJOR_VERSION.RAPIDJSON_MINOR_VERSION.RAPIDJSON_PATCH_VERSION)
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NAMESPACE_(BEGIN|END)
/*! \def RAPIDJSON_NAMESPACE
\ingroup RAPIDJSON_CONFIG
\brief provide custom rapidjson namespace
In order to avoid symbol clashes and/or "One Definition Rule" errors
between multiple inclusions of (different versions of) RapidJSON in
a single binary, users can customize the name of the main RapidJSON
namespace.
In case of a single nesting level, defining \c RAPIDJSON_NAMESPACE
to a custom name (e.g. \c MyRapidJSON) is sufficient. If multiple
levels are needed, both \ref RAPIDJSON_NAMESPACE_BEGIN and \ref
RAPIDJSON_NAMESPACE_END need to be defined as well:
\code
// in some .cpp file
#define RAPIDJSON_NAMESPACE my::rapidjson
#define RAPIDJSON_NAMESPACE_BEGIN namespace my { namespace rapidjson {
#define RAPIDJSON_NAMESPACE_END } }
#include "rapidjson/..."
\endcode
\see rapidjson
*/
/*! \def RAPIDJSON_NAMESPACE_BEGIN
\ingroup RAPIDJSON_CONFIG
\brief provide custom rapidjson namespace (opening expression)
\see RAPIDJSON_NAMESPACE
*/
/*! \def RAPIDJSON_NAMESPACE_END
\ingroup RAPIDJSON_CONFIG
\brief provide custom rapidjson namespace (closing expression)
\see RAPIDJSON_NAMESPACE
*/
#ifndef RAPIDJSON_NAMESPACE
#define RAPIDJSON_NAMESPACE rapidjson
#endif
#ifndef RAPIDJSON_NAMESPACE_BEGIN
#define RAPIDJSON_NAMESPACE_BEGIN namespace RAPIDJSON_NAMESPACE {
#endif
#ifndef RAPIDJSON_NAMESPACE_END
#define RAPIDJSON_NAMESPACE_END }
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_HAS_STDSTRING
#ifndef RAPIDJSON_HAS_STDSTRING
#ifdef RAPIDJSON_DOXYGEN_RUNNING
#define RAPIDJSON_HAS_STDSTRING 1 // force generation of documentation
#else
#define RAPIDJSON_HAS_STDSTRING 0 // no std::string support by default
#endif
/*! \def RAPIDJSON_HAS_STDSTRING
\ingroup RAPIDJSON_CONFIG
\brief Enable RapidJSON support for \c std::string
By defining this preprocessor symbol to \c 1, several convenience functions for using
\ref rapidjson::GenericValue with \c std::string are enabled, especially
for construction and comparison.
\hideinitializer
*/
#endif // !defined(RAPIDJSON_HAS_STDSTRING)
#if RAPIDJSON_HAS_STDSTRING
#include <string>
#endif // RAPIDJSON_HAS_STDSTRING
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NO_INT64DEFINE
/*! \def RAPIDJSON_NO_INT64DEFINE
\ingroup RAPIDJSON_CONFIG
\brief Use external 64-bit integer types.
RapidJSON requires the 64-bit integer types \c int64_t and \c uint64_t types
to be available at global scope.
If users have their own definition, define RAPIDJSON_NO_INT64DEFINE to
prevent RapidJSON from defining its own types.
*/
#ifndef RAPIDJSON_NO_INT64DEFINE
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#if defined(_MSC_VER) && (_MSC_VER < 1800) // Visual Studio 2013
#include "lottie_rapidjson_msinttypes_stdint.h"
#include "lottie_rapidjson_msinttypes_inttypes.h"
#else
// Other compilers should have this.
#include <stdint.h>
#include <inttypes.h>
#endif
//!@endcond
#ifdef RAPIDJSON_DOXYGEN_RUNNING
#define RAPIDJSON_NO_INT64DEFINE
#endif
#endif // RAPIDJSON_NO_INT64TYPEDEF
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_FORCEINLINE
#ifndef RAPIDJSON_FORCEINLINE
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#if defined(_MSC_VER) && defined(NDEBUG)
#define RAPIDJSON_FORCEINLINE __forceinline
#elif defined(__GNUC__) && __GNUC__ >= 4 && defined(NDEBUG)
#define RAPIDJSON_FORCEINLINE __attribute__((always_inline))
#else
#define RAPIDJSON_FORCEINLINE
#endif
//!@endcond
#endif // RAPIDJSON_FORCEINLINE
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ENDIAN
#define RAPIDJSON_LITTLEENDIAN 0 //!< Little endian machine
#define RAPIDJSON_BIGENDIAN 1 //!< Big endian machine
//! Endianness of the machine.
/*!
\def RAPIDJSON_ENDIAN
\ingroup RAPIDJSON_CONFIG
GCC 4.6 provided macro for detecting endianness of the target machine. But other
compilers may not have this. User can define RAPIDJSON_ENDIAN to either
\ref RAPIDJSON_LITTLEENDIAN or \ref RAPIDJSON_BIGENDIAN.
Default detection implemented with reference to
\li https://gcc.gnu.org/onlinedocs/gcc-4.6.0/cpp/Common-Predefined-Macros.html
\li http://www.boost.org/doc/libs/1_42_0/boost/detail/endian.hpp
*/
#ifndef RAPIDJSON_ENDIAN
// Detect with GCC 4.6's macro
# ifdef __BYTE_ORDER__
# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
# define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
# define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
# else
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
# endif // __BYTE_ORDER__
// Detect with GLIBC's endian.h
# elif defined(__GLIBC__)
# include <endian.h>
# if (__BYTE_ORDER == __LITTLE_ENDIAN)
# define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
# elif (__BYTE_ORDER == __BIG_ENDIAN)
# define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
# else
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
# endif // __GLIBC__
// Detect with _LITTLE_ENDIAN and _BIG_ENDIAN macro
# elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
# define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
# elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
# define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
// Detect with architecture macros
# elif defined(__sparc) || defined(__sparc__) || defined(_POWER) || defined(__powerpc__) || defined(__ppc__) || defined(__hpux) || defined(__hppa) || defined(_MIPSEB) || defined(_POWER) || defined(__s390__)
# define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
# elif defined(__i386__) || defined(__alpha__) || defined(__ia64) || defined(__ia64__) || defined(_M_IX86) || defined(_M_IA64) || defined(_M_ALPHA) || defined(__amd64) || defined(__amd64__) || defined(_M_AMD64) || defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || defined(__bfin__)
# define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
# elif defined(_MSC_VER) && (defined(_M_ARM) || defined(_M_ARM64))
# define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
# elif defined(RAPIDJSON_DOXYGEN_RUNNING)
# define RAPIDJSON_ENDIAN
# else
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
# endif
#endif // RAPIDJSON_ENDIAN
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_64BIT
//! Whether using 64-bit architecture
#ifndef RAPIDJSON_64BIT
#if defined(__LP64__) || (defined(__x86_64__) && defined(__ILP32__)) || defined(_WIN64) || defined(__EMSCRIPTEN__)
#define RAPIDJSON_64BIT 1
#else
#define RAPIDJSON_64BIT 0
#endif
#endif // RAPIDJSON_64BIT
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ALIGN
//! Data alignment of the machine.
/*! \ingroup RAPIDJSON_CONFIG
\param x pointer to align
Some machines require strict data alignment. The default is 8 bytes.
User can customize by defining the RAPIDJSON_ALIGN function macro.
*/
#ifndef RAPIDJSON_ALIGN
#define RAPIDJSON_ALIGN(x) (((x) + static_cast<size_t>(7u)) & ~static_cast<size_t>(7u))
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_UINT64_C2
//! Construct a 64-bit literal by a pair of 32-bit integer.
/*!
64-bit literal with or without ULL suffix is prone to compiler warnings.
UINT64_C() is C macro which cause compilation problems.
Use this macro to define 64-bit constants by a pair of 32-bit integer.
*/
#ifndef RAPIDJSON_UINT64_C2
#define RAPIDJSON_UINT64_C2(high32, low32) ((static_cast<uint64_t>(high32) << 32) | static_cast<uint64_t>(low32))
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_48BITPOINTER_OPTIMIZATION
//! Use only lower 48-bit address for some pointers.
/*!
\ingroup RAPIDJSON_CONFIG
This optimization uses the fact that current X86-64 architecture only implement lower 48-bit virtual address.
The higher 16-bit can be used for storing other data.
\c GenericValue uses this optimization to reduce its size form 24 bytes to 16 bytes in 64-bit architecture.
*/
#ifndef RAPIDJSON_48BITPOINTER_OPTIMIZATION
#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
#define RAPIDJSON_48BITPOINTER_OPTIMIZATION 1
#else
#define RAPIDJSON_48BITPOINTER_OPTIMIZATION 0
#endif
#endif // RAPIDJSON_48BITPOINTER_OPTIMIZATION
#if RAPIDJSON_48BITPOINTER_OPTIMIZATION == 1
#if RAPIDJSON_64BIT != 1
#error RAPIDJSON_48BITPOINTER_OPTIMIZATION can only be set to 1 when RAPIDJSON_64BIT=1
#endif
#define RAPIDJSON_SETPOINTER(type, p, x) (p = reinterpret_cast<type *>((reinterpret_cast<uintptr_t>(p) & static_cast<uintptr_t>(RAPIDJSON_UINT64_C2(0xFFFF0000, 0x00000000))) | reinterpret_cast<uintptr_t>(reinterpret_cast<const void*>(x))))
#define RAPIDJSON_GETPOINTER(type, p) (reinterpret_cast<type *>(reinterpret_cast<uintptr_t>(p) & static_cast<uintptr_t>(RAPIDJSON_UINT64_C2(0x0000FFFF, 0xFFFFFFFF))))
#else
#define RAPIDJSON_SETPOINTER(type, p, x) (p = (x))
#define RAPIDJSON_GETPOINTER(type, p) (p)
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_SSE2/RAPIDJSON_SSE42/RAPIDJSON_NEON/RAPIDJSON_SIMD
/*! \def RAPIDJSON_SIMD
\ingroup RAPIDJSON_CONFIG
\brief Enable SSE2/SSE4.2/Neon optimization.
RapidJSON supports optimized implementations for some parsing operations
based on the SSE2, SSE4.2 or NEon SIMD extensions on modern Intel
or ARM compatible processors.
To enable these optimizations, three different symbols can be defined;
\code
// Enable SSE2 optimization.
#define RAPIDJSON_SSE2
// Enable SSE4.2 optimization.
#define RAPIDJSON_SSE42
\endcode
// Enable ARM Neon optimization.
#define RAPIDJSON_NEON
\endcode
\c RAPIDJSON_SSE42 takes precedence over SSE2, if both are defined.
If any of these symbols is defined, RapidJSON defines the macro
\c RAPIDJSON_SIMD to indicate the availability of the optimized code.
*/
#if defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42) \
|| defined(RAPIDJSON_NEON) || defined(RAPIDJSON_DOXYGEN_RUNNING)
#define RAPIDJSON_SIMD
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NO_SIZETYPEDEFINE
#ifndef RAPIDJSON_NO_SIZETYPEDEFINE
/*! \def RAPIDJSON_NO_SIZETYPEDEFINE
\ingroup RAPIDJSON_CONFIG
\brief User-provided \c SizeType definition.
In order to avoid using 32-bit size types for indexing strings and arrays,
define this preprocessor symbol and provide the type rapidjson::SizeType
before including RapidJSON:
\code
#define RAPIDJSON_NO_SIZETYPEDEFINE
namespace rapidjson { typedef ::std::size_t SizeType; }
#include "rapidjson/..."
\endcode
\see rapidjson::SizeType
*/
#ifdef RAPIDJSON_DOXYGEN_RUNNING
#define RAPIDJSON_NO_SIZETYPEDEFINE
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Size type (for string lengths, array sizes, etc.)
/*! RapidJSON uses 32-bit array/string indices even on 64-bit platforms,
instead of using \c size_t. Users may override the SizeType by defining
\ref RAPIDJSON_NO_SIZETYPEDEFINE.
*/
typedef unsigned SizeType;
RAPIDJSON_NAMESPACE_END
#endif
// always import std::size_t to rapidjson namespace
RAPIDJSON_NAMESPACE_BEGIN
using std::size_t;
RAPIDJSON_NAMESPACE_END
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ASSERT
//! Assertion.
/*! \ingroup RAPIDJSON_CONFIG
By default, rapidjson uses C \c assert() for internal assertions.
User can override it by defining RAPIDJSON_ASSERT(x) macro.
\note Parsing errors are handled and can be customized by the
\ref RAPIDJSON_ERRORS APIs.
*/
#ifndef RAPIDJSON_ASSERT
#include <cassert>
#define RAPIDJSON_ASSERT(x) assert(x)
#endif // RAPIDJSON_ASSERT
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_STATIC_ASSERT
// Prefer C++11 static_assert, if available
#ifndef RAPIDJSON_STATIC_ASSERT
#if __cplusplus >= 201103L || ( defined(_MSC_VER) && _MSC_VER >= 1800 )
#define RAPIDJSON_STATIC_ASSERT(x) \
static_assert(x, RAPIDJSON_STRINGIFY(x))
#endif // C++11
#endif // RAPIDJSON_STATIC_ASSERT
// Adopt C++03 implementation from boost
#ifndef RAPIDJSON_STATIC_ASSERT
#ifndef __clang__
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#endif
RAPIDJSON_NAMESPACE_BEGIN
template <bool x> struct STATIC_ASSERTION_FAILURE;
template <> struct STATIC_ASSERTION_FAILURE<true> { enum { value = 1 }; };
template <size_t x> struct StaticAssertTest {};
RAPIDJSON_NAMESPACE_END
#if defined(__GNUC__) || defined(__clang__)
#define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))
#else
#define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
#endif
#ifndef __clang__
//!@endcond
#endif
/*! \def RAPIDJSON_STATIC_ASSERT
\brief (Internal) macro to check for conditions at compile-time
\param x compile-time condition
\hideinitializer
*/
#define RAPIDJSON_STATIC_ASSERT(x) \
typedef ::RAPIDJSON_NAMESPACE::StaticAssertTest< \
sizeof(::RAPIDJSON_NAMESPACE::STATIC_ASSERTION_FAILURE<bool(x) >)> \
RAPIDJSON_JOIN(StaticAssertTypedef, __LINE__) RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
#endif // RAPIDJSON_STATIC_ASSERT
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_LIKELY, RAPIDJSON_UNLIKELY
//! Compiler branching hint for expression with high probability to be true.
/*!
\ingroup RAPIDJSON_CONFIG
\param x Boolean expression likely to be true.
*/
#ifndef RAPIDJSON_LIKELY
#if defined(__GNUC__) || defined(__clang__)
#define RAPIDJSON_LIKELY(x) __builtin_expect(!!(x), 1)
#else
#define RAPIDJSON_LIKELY(x) (x)
#endif
#endif
//! Compiler branching hint for expression with low probability to be true.
/*!
\ingroup RAPIDJSON_CONFIG
\param x Boolean expression unlikely to be true.
*/
#ifndef RAPIDJSON_UNLIKELY
#if defined(__GNUC__) || defined(__clang__)
#define RAPIDJSON_UNLIKELY(x) __builtin_expect(!!(x), 0)
#else
#define RAPIDJSON_UNLIKELY(x) (x)
#endif
#endif
///////////////////////////////////////////////////////////////////////////////
// Helpers
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#define RAPIDJSON_MULTILINEMACRO_BEGIN do {
#define RAPIDJSON_MULTILINEMACRO_END \
} while((void)0, 0)
// adopted from Boost
#define RAPIDJSON_VERSION_CODE(x,y,z) \
(((x)*100000) + ((y)*100) + (z))
#if defined(__has_builtin)
#define RAPIDJSON_HAS_BUILTIN(x) __has_builtin(x)
#else
#define RAPIDJSON_HAS_BUILTIN(x) 0
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_DIAG_PUSH/POP, RAPIDJSON_DIAG_OFF
#if defined(__GNUC__)
#define RAPIDJSON_GNUC \
RAPIDJSON_VERSION_CODE(__GNUC__,__GNUC_MINOR__,__GNUC_PATCHLEVEL__)
#endif
#if defined(__clang__) || (defined(RAPIDJSON_GNUC) && RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,2,0))
#define RAPIDJSON_PRAGMA(x) _Pragma(RAPIDJSON_STRINGIFY(x))
#define RAPIDJSON_DIAG_PRAGMA(x) RAPIDJSON_PRAGMA(GCC diagnostic x)
#define RAPIDJSON_DIAG_OFF(x) \
RAPIDJSON_DIAG_PRAGMA(ignored RAPIDJSON_STRINGIFY(RAPIDJSON_JOIN(-W,x)))
// push/pop support in Clang and GCC>=4.6
#if defined(__clang__) || (defined(RAPIDJSON_GNUC) && RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0))
#define RAPIDJSON_DIAG_PUSH RAPIDJSON_DIAG_PRAGMA(push)
#define RAPIDJSON_DIAG_POP RAPIDJSON_DIAG_PRAGMA(pop)
#else // GCC >= 4.2, < 4.6
#define RAPIDJSON_DIAG_PUSH /* ignored */
#define RAPIDJSON_DIAG_POP /* ignored */
#endif
#elif defined(_MSC_VER)
// pragma (MSVC specific)
#define RAPIDJSON_PRAGMA(x) __pragma(x)
#define RAPIDJSON_DIAG_PRAGMA(x) RAPIDJSON_PRAGMA(warning(x))
#define RAPIDJSON_DIAG_OFF(x) RAPIDJSON_DIAG_PRAGMA(disable: x)
#define RAPIDJSON_DIAG_PUSH RAPIDJSON_DIAG_PRAGMA(push)
#define RAPIDJSON_DIAG_POP RAPIDJSON_DIAG_PRAGMA(pop)
#else
#define RAPIDJSON_DIAG_OFF(x) /* ignored */
#define RAPIDJSON_DIAG_PUSH /* ignored */
#define RAPIDJSON_DIAG_POP /* ignored */
#endif // RAPIDJSON_DIAG_*
///////////////////////////////////////////////////////////////////////////////
// C++11 features
#ifndef RAPIDJSON_HAS_CXX11_RVALUE_REFS
#if defined(__clang__)
#if __has_feature(cxx_rvalue_references) && \
(defined(_MSC_VER) || defined(_LIBCPP_VERSION) || defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306)
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
#else
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
#endif
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,3,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
(defined(_MSC_VER) && _MSC_VER >= 1600) || \
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
#else
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
#endif
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
#ifndef RAPIDJSON_HAS_CXX11_NOEXCEPT
#if defined(__clang__)
#define RAPIDJSON_HAS_CXX11_NOEXCEPT __has_feature(cxx_noexcept)
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
(defined(_MSC_VER) && _MSC_VER >= 1900) || \
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 1
#else
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 0
#endif
#endif
#if RAPIDJSON_HAS_CXX11_NOEXCEPT
#define RAPIDJSON_NOEXCEPT noexcept
#else
#define RAPIDJSON_NOEXCEPT /* noexcept */
#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
// no automatic detection, yet
#ifndef RAPIDJSON_HAS_CXX11_TYPETRAITS
#if (defined(_MSC_VER) && _MSC_VER >= 1700)
#define RAPIDJSON_HAS_CXX11_TYPETRAITS 1
#else
#define RAPIDJSON_HAS_CXX11_TYPETRAITS 0
#endif
#endif
#ifndef RAPIDJSON_HAS_CXX11_RANGE_FOR
#if defined(__clang__)
#define RAPIDJSON_HAS_CXX11_RANGE_FOR __has_feature(cxx_range_for)
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
(defined(_MSC_VER) && _MSC_VER >= 1700) || \
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
#define RAPIDJSON_HAS_CXX11_RANGE_FOR 1
#else
#define RAPIDJSON_HAS_CXX11_RANGE_FOR 0
#endif
#endif // RAPIDJSON_HAS_CXX11_RANGE_FOR
///////////////////////////////////////////////////////////////////////////////
// C++17 features
#if defined(__has_cpp_attribute)
# if __has_cpp_attribute(fallthrough)
# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[fallthrough]]
# else
# define RAPIDJSON_DELIBERATE_FALLTHROUGH
# endif
#else
# define RAPIDJSON_DELIBERATE_FALLTHROUGH
#endif
//!@endcond
//! Assertion (in non-throwing contexts).
/*! \ingroup RAPIDJSON_CONFIG
Some functions provide a \c noexcept guarantee, if the compiler supports it.
In these cases, the \ref RAPIDJSON_ASSERT macro cannot be overridden to
throw an exception. This macro adds a separate customization point for
such cases.
Defaults to C \c assert() (as \ref RAPIDJSON_ASSERT), if \c noexcept is
supported, and to \ref RAPIDJSON_ASSERT otherwise.
*/
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NOEXCEPT_ASSERT
#ifndef RAPIDJSON_NOEXCEPT_ASSERT
#ifdef RAPIDJSON_ASSERT_THROWS
#if RAPIDJSON_HAS_CXX11_NOEXCEPT
#define RAPIDJSON_NOEXCEPT_ASSERT(x)
#else
#include <cassert>
#define RAPIDJSON_NOEXCEPT_ASSERT(x) assert(x)
#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
#else
#define RAPIDJSON_NOEXCEPT_ASSERT(x) RAPIDJSON_ASSERT(x)
#endif // RAPIDJSON_ASSERT_THROWS
#endif // RAPIDJSON_NOEXCEPT_ASSERT
///////////////////////////////////////////////////////////////////////////////
// malloc/realloc/free
#ifndef RAPIDJSON_MALLOC
///! customization point for global \c malloc
#define RAPIDJSON_MALLOC(size) std::malloc(size)
#endif
#ifndef RAPIDJSON_REALLOC
///! customization point for global \c realloc
#define RAPIDJSON_REALLOC(ptr, new_size) std::realloc(ptr, new_size)
#endif
#ifndef RAPIDJSON_FREE
///! customization point for global \c free
#define RAPIDJSON_FREE(ptr) std::free(ptr)
#endif
///////////////////////////////////////////////////////////////////////////////
// new/delete
#ifndef RAPIDJSON_NEW
///! customization point for global \c new
#define RAPIDJSON_NEW(TypeName) new TypeName
#endif
#ifndef RAPIDJSON_DELETE
///! customization point for global \c delete
#define RAPIDJSON_DELETE(x) delete x
#endif
///////////////////////////////////////////////////////////////////////////////
// Type
/*! \namespace rapidjson
\brief main RapidJSON namespace
\see RAPIDJSON_NAMESPACE
*/
RAPIDJSON_NAMESPACE_BEGIN
//! Type of JSON value
enum Type {
kNullType = 0, //!< null
kFalseType = 1, //!< false
kTrueType = 2, //!< true
kObjectType = 3, //!< object
kArrayType = 4, //!< array
kStringType = 5, //!< string
kNumberType = 6 //!< number
};
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_RAPIDJSON_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#include "lottie_rapidjson_rapidjson.h"
#ifndef RAPIDJSON_STREAM_H_
#define RAPIDJSON_STREAM_H_
#include "lottie_rapidjson_encodings.h"
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// Stream
/*! \class rapidjson::Stream
\brief Concept for reading and writing characters.
For read-only stream, no need to implement PutBegin(), Put(), Flush() and PutEnd().
For write-only stream, only need to implement Put() and Flush().
\code
concept Stream {
typename Ch; //!< Character type of the stream.
//! Read the current character from stream without moving the read cursor.
Ch Peek() const;
//! Read the current character from stream and moving the read cursor to next character.
Ch Take();
//! Get the current read cursor.
//! \return Number of characters read from start.
size_t Tell();
//! Begin writing operation at the current read pointer.
//! \return The begin writer pointer.
Ch* PutBegin();
//! Write a character.
void Put(Ch c);
//! Flush the buffer.
void Flush();
//! End the writing operation.
//! \param begin The begin write pointer returned by PutBegin().
//! \return Number of characters written.
size_t PutEnd(Ch* begin);
}
\endcode
*/
//! Provides additional information for stream.
/*!
By using traits pattern, this type provides a default configuration for stream.
For custom stream, this type can be specialized for other configuration.
See TEST(Reader, CustomStringStream) in readertest.cpp for example.
*/
template<typename Stream>
struct StreamTraits {
//! Whether to make local copy of stream for optimization during parsing.
/*!
By default, for safety, streams do not use local copy optimization.
Stream that can be copied fast should specialize this, like StreamTraits<StringStream>.
*/
enum { copyOptimization = 0 };
};
//! Reserve n characters for writing to a stream.
template<typename Stream>
inline void PutReserve(Stream& stream, size_t count) {
(void)stream;
(void)count;
}
//! Write character to a stream, presuming buffer is reserved.
template<typename Stream>
inline void PutUnsafe(Stream& stream, typename Stream::Ch c) {
stream.Put(c);
}
//! Put N copies of a character to a stream.
template<typename Stream, typename Ch>
inline void PutN(Stream& stream, Ch c, size_t n) {
PutReserve(stream, n);
for (size_t i = 0; i < n; i++)
PutUnsafe(stream, c);
}
///////////////////////////////////////////////////////////////////////////////
// GenericStreamWrapper
//! A Stream Wrapper
/*! \tThis string stream is a wrapper for any stream by just forwarding any
\treceived message to the origin stream.
\note implements Stream concept
*/
#if defined(_MSC_VER) && _MSC_VER <= 1800
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4702) // unreachable code
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
#endif
template <typename InputStream, typename Encoding = UTF8<> >
class GenericStreamWrapper {
public:
typedef typename Encoding::Ch Ch;
GenericStreamWrapper(InputStream& is): is_(is) {}
Ch Peek() const { return is_.Peek(); }
Ch Take() { return is_.Take(); }
size_t Tell() { return is_.Tell(); }
Ch* PutBegin() { return is_.PutBegin(); }
void Put(Ch ch) { is_.Put(ch); }
void Flush() { is_.Flush(); }
size_t PutEnd(Ch* ch) { return is_.PutEnd(ch); }
// wrapper for MemoryStream
const Ch* Peek4() const { return is_.Peek4(); }
// wrapper for AutoUTFInputStream
UTFType GetType() const { return is_.GetType(); }
bool HasBOM() const { return is_.HasBOM(); }
protected:
InputStream& is_;
};
#if defined(_MSC_VER) && _MSC_VER <= 1800
RAPIDJSON_DIAG_POP
#endif
///////////////////////////////////////////////////////////////////////////////
// StringStream
//! Read-only string stream.
/*! \note implements Stream concept
*/
template <typename Encoding>
struct GenericStringStream {
typedef typename Encoding::Ch Ch;
GenericStringStream(const Ch *src) : src_(src), head_(src) {}
Ch Peek() const { return *src_; }
Ch Take() { return *src_++; }
size_t Tell() const { return static_cast<size_t>(src_ - head_); }
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
const Ch* src_; //!< Current read position.
const Ch* head_; //!< Original head of the string.
};
template <typename Encoding>
struct StreamTraits<GenericStringStream<Encoding> > {
enum { copyOptimization = 1 };
};
//! String stream with UTF8 encoding.
typedef GenericStringStream<UTF8<> > StringStream;
///////////////////////////////////////////////////////////////////////////////
// InsituStringStream
//! A read-write string stream.
/*! This string stream is particularly designed for in-situ parsing.
\note implements Stream concept
*/
template <typename Encoding>
struct GenericInsituStringStream {
typedef typename Encoding::Ch Ch;
GenericInsituStringStream(Ch *src) : src_(src), dst_(0), head_(src) {}
// Read
Ch Peek() { return *src_; }
Ch Take() { return *src_++; }
size_t Tell() { return static_cast<size_t>(src_ - head_); }
// Write
void Put(Ch c) { RAPIDJSON_ASSERT(dst_ != 0); *dst_++ = c; }
Ch* PutBegin() { return dst_ = src_; }
size_t PutEnd(Ch* begin) { return static_cast<size_t>(dst_ - begin); }
void Flush() {}
Ch* Push(size_t count) { Ch* begin = dst_; dst_ += count; return begin; }
void Pop(size_t count) { dst_ -= count; }
Ch* src_;
Ch* dst_;
Ch* head_;
};
template <typename Encoding>
struct StreamTraits<GenericInsituStringStream<Encoding> > {
enum { copyOptimization = 1 };
};
//! Insitu string stream with UTF8 encoding.
typedef GenericInsituStringStream<UTF8<> > InsituStringStream;
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_STREAM_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_STRINGBUFFER_H_
#define RAPIDJSON_STRINGBUFFER_H_
#include "lottie_rapidjson_stream.h"
#include "lottie_rapidjson_internal_stack.h"
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
#include <utility> // std::move
#endif
#include "lottie_rapidjson_internal_stack.h"
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++98-compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Represents an in-memory output stream.
/*!
\tparam Encoding Encoding of the stream.
\tparam Allocator type for allocating memory buffer.
\note implements Stream concept
*/
template <typename Encoding, typename Allocator = CrtAllocator>
class GenericStringBuffer {
public:
typedef typename Encoding::Ch Ch;
GenericStringBuffer(Allocator* allocator = 0, size_t capacity = kDefaultCapacity) : stack_(allocator, capacity) {}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
GenericStringBuffer(GenericStringBuffer&& rhs) : stack_(std::move(rhs.stack_)) {}
GenericStringBuffer& operator=(GenericStringBuffer&& rhs) {
if (&rhs != this)
stack_ = std::move(rhs.stack_);
return *this;
}
#endif
void Put(Ch c) { *stack_.template Push<Ch>() = c; }
void PutUnsafe(Ch c) { *stack_.template PushUnsafe<Ch>() = c; }
void Flush() {}
void Clear() { stack_.Clear(); }
void ShrinkToFit() {
// Push and pop a null terminator. This is safe.
*stack_.template Push<Ch>() = '\0';
stack_.ShrinkToFit();
stack_.template Pop<Ch>(1);
}
void Reserve(size_t count) { stack_.template Reserve<Ch>(count); }
Ch* Push(size_t count) { return stack_.template Push<Ch>(count); }
Ch* PushUnsafe(size_t count) { return stack_.template PushUnsafe<Ch>(count); }
void Pop(size_t count) { stack_.template Pop<Ch>(count); }
const Ch* GetString() const {
// Push and pop a null terminator. This is safe.
*stack_.template Push<Ch>() = '\0';
stack_.template Pop<Ch>(1);
return stack_.template Bottom<Ch>();
}
//! Get the size of string in bytes in the string buffer.
size_t GetSize() const { return stack_.GetSize(); }
//! Get the length of string in Ch in the string buffer.
size_t GetLength() const { return stack_.GetSize() / sizeof(Ch); }
static const size_t kDefaultCapacity = 256;
mutable internal::Stack<Allocator> stack_;
private:
// Prohibit copy constructor & assignment operator.
GenericStringBuffer(const GenericStringBuffer&);
GenericStringBuffer& operator=(const GenericStringBuffer&);
};
//! String buffer with UTF8 encoding
typedef GenericStringBuffer<UTF8<> > StringBuffer;
template<typename Encoding, typename Allocator>
inline void PutReserve(GenericStringBuffer<Encoding, Allocator>& stream, size_t count) {
stream.Reserve(count);
}
template<typename Encoding, typename Allocator>
inline void PutUnsafe(GenericStringBuffer<Encoding, Allocator>& stream, typename Encoding::Ch c) {
stream.PutUnsafe(c);
}
//! Implement specialized version of PutN() with memset() for better performance.
template<>
inline void PutN(GenericStringBuffer<UTF8<> >& stream, char c, size_t n) {
std::memset(stream.stack_.Push<char>(n), c, n * sizeof(c));
}
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_STRINGBUFFER_H_

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_WRITER_H_
#define RAPIDJSON_WRITER_H_
#include "lottie_rapidjson_stream.h"
#include "lottie_rapidjson_internal_clzll.h"
#include "lottie_rapidjson_internal_meta.h"
#include "lottie_rapidjson_internal_stack.h"
#include "lottie_rapidjson_internal_strfunc.h"
#include "lottie_rapidjson_internal_dtoa.h"
#include "lottie_rapidjson_internal_itoa.h"
#include "lottie_rapidjson_stringbuffer.h"
#include <new> // placement new
#if defined(RAPIDJSON_SIMD) && defined(_MSC_VER)
#include <intrin.h>
#pragma intrinsic(_BitScanForward)
#endif
#ifdef RAPIDJSON_SSE42
#include <nmmintrin.h>
#elif defined(RAPIDJSON_SSE2)
#include <emmintrin.h>
#elif defined(RAPIDJSON_NEON)
#include <arm_neon.h>
#endif
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
RAPIDJSON_DIAG_OFF(unreachable-code)
RAPIDJSON_DIAG_OFF(c++98-compat)
#elif defined(_MSC_VER)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
#endif
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// WriteFlag
/*! \def RAPIDJSON_WRITE_DEFAULT_FLAGS
\ingroup RAPIDJSON_CONFIG
\brief User-defined kWriteDefaultFlags definition.
User can define this as any \c WriteFlag combinations.
*/
#ifndef RAPIDJSON_WRITE_DEFAULT_FLAGS
#define RAPIDJSON_WRITE_DEFAULT_FLAGS kWriteNoFlags
#endif
//! Combination of writeFlags
enum WriteFlag {
kWriteNoFlags = 0, //!< No flags are set.
kWriteValidateEncodingFlag = 1, //!< Validate encoding of JSON strings.
kWriteNanAndInfFlag = 2, //!< Allow writing of Infinity, -Infinity and NaN.
kWriteDefaultFlags = RAPIDJSON_WRITE_DEFAULT_FLAGS //!< Default write flags. Can be customized by defining RAPIDJSON_WRITE_DEFAULT_FLAGS
};
//! JSON writer
/*! Writer implements the concept Handler.
It generates JSON text by events to an output os.
User may programmatically calls the functions of a writer to generate JSON text.
On the other side, a writer can also be passed to objects that generates events,
for example Reader::Parse() and Document::Accept().
\tparam OutputStream Type of output stream.
\tparam SourceEncoding Encoding of source string.
\tparam TargetEncoding Encoding of output stream.
\tparam StackAllocator Type of allocator for allocating memory of stack.
\note implements Handler concept
*/
template<typename OutputStream, typename SourceEncoding = UTF8<>, typename TargetEncoding = UTF8<>, typename StackAllocator = CrtAllocator, unsigned writeFlags = kWriteDefaultFlags>
class Writer {
public:
typedef typename SourceEncoding::Ch Ch;
static const int kDefaultMaxDecimalPlaces = 324;
//! Constructor
/*! \param os Output stream.
\param stackAllocator User supplied allocator. If it is null, it will create a private one.
\param levelDepth Initial capacity of stack.
*/
explicit
Writer(OutputStream& os, StackAllocator* stackAllocator = 0, size_t levelDepth = kDefaultLevelDepth) :
os_(&os), level_stack_(stackAllocator, levelDepth * sizeof(Level)), maxDecimalPlaces_(kDefaultMaxDecimalPlaces), hasRoot_(false) {}
explicit
Writer(StackAllocator* allocator = 0, size_t levelDepth = kDefaultLevelDepth) :
os_(0), level_stack_(allocator, levelDepth * sizeof(Level)), maxDecimalPlaces_(kDefaultMaxDecimalPlaces), hasRoot_(false) {}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
Writer(Writer&& rhs) :
os_(rhs.os_), level_stack_(std::move(rhs.level_stack_)), maxDecimalPlaces_(rhs.maxDecimalPlaces_), hasRoot_(rhs.hasRoot_) {
rhs.os_ = 0;
}
#endif
//! Reset the writer with a new stream.
/*!
This function reset the writer with a new stream and default settings,
in order to make a Writer object reusable for output multiple JSONs.
\param os New output stream.
\code
Writer<OutputStream> writer(os1);
writer.StartObject();
// ...
writer.EndObject();
writer.Reset(os2);
writer.StartObject();
// ...
writer.EndObject();
\endcode
*/
void Reset(OutputStream& os) {
os_ = &os;
hasRoot_ = false;
level_stack_.Clear();
}
//! Checks whether the output is a complete JSON.
/*!
A complete JSON has a complete root object or array.
*/
bool IsComplete() const {
return hasRoot_ && level_stack_.Empty();
}
int GetMaxDecimalPlaces() const {
return maxDecimalPlaces_;
}
//! Sets the maximum number of decimal places for double output.
/*!
This setting truncates the output with specified number of decimal places.
For example,
\code
writer.SetMaxDecimalPlaces(3);
writer.StartArray();
writer.Double(0.12345); // "0.123"
writer.Double(0.0001); // "0.0"
writer.Double(1.234567890123456e30); // "1.234567890123456e30" (do not truncate significand for positive exponent)
writer.Double(1.23e-4); // "0.0" (do truncate significand for negative exponent)
writer.EndArray();
\endcode
The default setting does not truncate any decimal places. You can restore to this setting by calling
\code
writer.SetMaxDecimalPlaces(Writer::kDefaultMaxDecimalPlaces);
\endcode
*/
void SetMaxDecimalPlaces(int maxDecimalPlaces) {
maxDecimalPlaces_ = maxDecimalPlaces;
}
/*!@name Implementation of Handler
\see Handler
*/
//@{
bool Null() { Prefix(kNullType); return EndValue(WriteNull()); }
bool Bool(bool b) { Prefix(b ? kTrueType : kFalseType); return EndValue(WriteBool(b)); }
bool Int(int i) { Prefix(kNumberType); return EndValue(WriteInt(i)); }
bool Uint(unsigned u) { Prefix(kNumberType); return EndValue(WriteUint(u)); }
bool Int64(int64_t i64) { Prefix(kNumberType); return EndValue(WriteInt64(i64)); }
bool Uint64(uint64_t u64) { Prefix(kNumberType); return EndValue(WriteUint64(u64)); }
//! Writes the given \c double value to the stream
/*!
\param d The value to be written.
\return Whether it is succeed.
*/
bool Double(double d) { Prefix(kNumberType); return EndValue(WriteDouble(d)); }
bool RawNumber(const Ch* str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
Prefix(kNumberType);
return EndValue(WriteString(str, length));
}
bool String(const Ch* str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
Prefix(kStringType);
return EndValue(WriteString(str, length));
}
#if RAPIDJSON_HAS_STDSTRING
bool String(const std::basic_string<Ch>& str) {
return String(str.data(), SizeType(str.size()));
}
#endif
bool StartObject() {
Prefix(kObjectType);
new (level_stack_.template Push<Level>()) Level(false);
return WriteStartObject();
}
bool Key(const Ch* str, SizeType length, bool copy = false) { return String(str, length, copy); }
#if RAPIDJSON_HAS_STDSTRING
bool Key(const std::basic_string<Ch>& str)
{
return Key(str.data(), SizeType(str.size()));
}
#endif
bool EndObject(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(level_stack_.GetSize() >= sizeof(Level)); // not inside an Object
RAPIDJSON_ASSERT(!level_stack_.template Top<Level>()->inArray); // currently inside an Array, not Object
RAPIDJSON_ASSERT(0 == level_stack_.template Top<Level>()->valueCount % 2); // Object has a Key without a Value
level_stack_.template Pop<Level>(1);
return EndValue(WriteEndObject());
}
bool StartArray() {
Prefix(kArrayType);
new (level_stack_.template Push<Level>()) Level(true);
return WriteStartArray();
}
bool EndArray(SizeType elementCount = 0) {
(void)elementCount;
RAPIDJSON_ASSERT(level_stack_.GetSize() >= sizeof(Level));
RAPIDJSON_ASSERT(level_stack_.template Top<Level>()->inArray);
level_stack_.template Pop<Level>(1);
return EndValue(WriteEndArray());
}
//@}
/*! @name Convenience extensions */
//@{
//! Simpler but slower overload.
bool String(const Ch* const& str) { return String(str, internal::StrLen(str)); }
bool Key(const Ch* const& str) { return Key(str, internal::StrLen(str)); }
//@}
//! Write a raw JSON value.
/*!
For user to write a stringified JSON as a value.
\param json A well-formed JSON value. It should not contain null character within [0, length - 1] range.
\param length Length of the json.
\param type Type of the root of json.
*/
bool RawValue(const Ch* json, size_t length, Type type) {
RAPIDJSON_ASSERT(json != 0);
Prefix(type);
return EndValue(WriteRawValue(json, length));
}
//! Flush the output stream.
/*!
Allows the user to flush the output stream immediately.
*/
void Flush() {
os_->Flush();
}
static const size_t kDefaultLevelDepth = 32;
protected:
//! Information for each nested level
struct Level {
Level(bool inArray_) : valueCount(0), inArray(inArray_) {}
size_t valueCount; //!< number of values in this level
bool inArray; //!< true if in array, otherwise in object
};
bool WriteNull() {
PutReserve(*os_, 4);
PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'u'); PutUnsafe(*os_, 'l'); PutUnsafe(*os_, 'l'); return true;
}
bool WriteBool(bool b) {
if (b) {
PutReserve(*os_, 4);
PutUnsafe(*os_, 't'); PutUnsafe(*os_, 'r'); PutUnsafe(*os_, 'u'); PutUnsafe(*os_, 'e');
}
else {
PutReserve(*os_, 5);
PutUnsafe(*os_, 'f'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'l'); PutUnsafe(*os_, 's'); PutUnsafe(*os_, 'e');
}
return true;
}
bool WriteInt(int i) {
char buffer[11];
const char* end = internal::i32toa(i, buffer);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (const char* p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteUint(unsigned u) {
char buffer[10];
const char* end = internal::u32toa(u, buffer);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (const char* p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteInt64(int64_t i64) {
char buffer[21];
const char* end = internal::i64toa(i64, buffer);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (const char* p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteUint64(uint64_t u64) {
char buffer[20];
char* end = internal::u64toa(u64, buffer);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (char* p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteDouble(double d) {
if (internal::Double(d).IsNanOrInf()) {
if (!(writeFlags & kWriteNanAndInfFlag))
return false;
if (internal::Double(d).IsNan()) {
PutReserve(*os_, 3);
PutUnsafe(*os_, 'N'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'N');
return true;
}
if (internal::Double(d).Sign()) {
PutReserve(*os_, 9);
PutUnsafe(*os_, '-');
}
else
PutReserve(*os_, 8);
PutUnsafe(*os_, 'I'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'f');
PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 't'); PutUnsafe(*os_, 'y');
return true;
}
char buffer[25];
char* end = internal::dtoa(d, buffer, maxDecimalPlaces_);
PutReserve(*os_, static_cast<size_t>(end - buffer));
for (char* p = buffer; p != end; ++p)
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
return true;
}
bool WriteString(const Ch* str, SizeType length) {
static const typename OutputStream::Ch hexDigits[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
static const char escape[256] = {
#define Z16 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
//0 1 2 3 4 5 6 7 8 9 A B C D E F
'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'b', 't', 'n', 'u', 'f', 'r', 'u', 'u', // 00
'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', // 10
0, 0, '"', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20
Z16, Z16, // 30~4F
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,'\\', 0, 0, 0, // 50
Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16 // 60~FF
#undef Z16
};
if (TargetEncoding::supportUnicode)
PutReserve(*os_, 2 + length * 6); // "\uxxxx..."
else
PutReserve(*os_, 2 + length * 12); // "\uxxxx\uyyyy..."
PutUnsafe(*os_, '\"');
GenericStringStream<SourceEncoding> is(str);
while (ScanWriteUnescapedString(is, length)) {
const Ch c = is.Peek();
if (!TargetEncoding::supportUnicode && static_cast<unsigned>(c) >= 0x80) {
// Unicode escaping
unsigned codepoint;
if (RAPIDJSON_UNLIKELY(!SourceEncoding::Decode(is, &codepoint)))
return false;
PutUnsafe(*os_, '\\');
PutUnsafe(*os_, 'u');
if (codepoint <= 0xD7FF || (codepoint >= 0xE000 && codepoint <= 0xFFFF)) {
PutUnsafe(*os_, hexDigits[(codepoint >> 12) & 15]);
PutUnsafe(*os_, hexDigits[(codepoint >> 8) & 15]);
PutUnsafe(*os_, hexDigits[(codepoint >> 4) & 15]);
PutUnsafe(*os_, hexDigits[(codepoint ) & 15]);
}
else {
RAPIDJSON_ASSERT(codepoint >= 0x010000 && codepoint <= 0x10FFFF);
// Surrogate pair
unsigned s = codepoint - 0x010000;
unsigned lead = (s >> 10) + 0xD800;
unsigned trail = (s & 0x3FF) + 0xDC00;
PutUnsafe(*os_, hexDigits[(lead >> 12) & 15]);
PutUnsafe(*os_, hexDigits[(lead >> 8) & 15]);
PutUnsafe(*os_, hexDigits[(lead >> 4) & 15]);
PutUnsafe(*os_, hexDigits[(lead ) & 15]);
PutUnsafe(*os_, '\\');
PutUnsafe(*os_, 'u');
PutUnsafe(*os_, hexDigits[(trail >> 12) & 15]);
PutUnsafe(*os_, hexDigits[(trail >> 8) & 15]);
PutUnsafe(*os_, hexDigits[(trail >> 4) & 15]);
PutUnsafe(*os_, hexDigits[(trail ) & 15]);
}
}
else if ((sizeof(Ch) == 1 || static_cast<unsigned>(c) < 256) && RAPIDJSON_UNLIKELY(escape[static_cast<unsigned char>(c)])) {
is.Take();
PutUnsafe(*os_, '\\');
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(escape[static_cast<unsigned char>(c)]));
if (escape[static_cast<unsigned char>(c)] == 'u') {
PutUnsafe(*os_, '0');
PutUnsafe(*os_, '0');
PutUnsafe(*os_, hexDigits[static_cast<unsigned char>(c) >> 4]);
PutUnsafe(*os_, hexDigits[static_cast<unsigned char>(c) & 0xF]);
}
}
else if (RAPIDJSON_UNLIKELY(!(writeFlags & kWriteValidateEncodingFlag ?
Transcoder<SourceEncoding, TargetEncoding>::Validate(is, *os_) :
Transcoder<SourceEncoding, TargetEncoding>::TranscodeUnsafe(is, *os_))))
return false;
}
PutUnsafe(*os_, '\"');
return true;
}
bool ScanWriteUnescapedString(GenericStringStream<SourceEncoding>& is, size_t length) {
return RAPIDJSON_LIKELY(is.Tell() < length);
}
bool WriteStartObject() { os_->Put('{'); return true; }
bool WriteEndObject() { os_->Put('}'); return true; }
bool WriteStartArray() { os_->Put('['); return true; }
bool WriteEndArray() { os_->Put(']'); return true; }
bool WriteRawValue(const Ch* json, size_t length) {
PutReserve(*os_, length);
GenericStringStream<SourceEncoding> is(json);
while (RAPIDJSON_LIKELY(is.Tell() < length)) {
RAPIDJSON_ASSERT(is.Peek() != '\0');
if (RAPIDJSON_UNLIKELY(!(writeFlags & kWriteValidateEncodingFlag ?
Transcoder<SourceEncoding, TargetEncoding>::Validate(is, *os_) :
Transcoder<SourceEncoding, TargetEncoding>::TranscodeUnsafe(is, *os_))))
return false;
}
return true;
}
void Prefix(Type type) {
(void)type;
if (RAPIDJSON_LIKELY(level_stack_.GetSize() != 0)) { // this value is not at root
Level* level = level_stack_.template Top<Level>();
if (level->valueCount > 0) {
if (level->inArray)
os_->Put(','); // add comma if it is not the first element in array
else // in object
os_->Put((level->valueCount % 2 == 0) ? ',' : ':');
}
if (!level->inArray && level->valueCount % 2 == 0)
RAPIDJSON_ASSERT(type == kStringType); // if it's in object, then even number should be a name
level->valueCount++;
}
else {
RAPIDJSON_ASSERT(!hasRoot_); // Should only has one and only one root.
hasRoot_ = true;
}
}
// Flush the value if it is the top level one.
bool EndValue(bool ret) {
if (RAPIDJSON_UNLIKELY(level_stack_.Empty())) // end of json text
Flush();
return ret;
}
OutputStream* os_;
internal::Stack<StackAllocator> level_stack_;
int maxDecimalPlaces_;
bool hasRoot_;
private:
// Prohibit copy constructor & assignment operator.
Writer(const Writer&);
Writer& operator=(const Writer&);
};
// Full specialization for StringStream to prevent memory copying
template<>
inline bool Writer<StringBuffer>::WriteInt(int i) {
char *buffer = os_->Push(11);
const char* end = internal::i32toa(i, buffer);
os_->Pop(static_cast<size_t>(11 - (end - buffer)));
return true;
}
template<>
inline bool Writer<StringBuffer>::WriteUint(unsigned u) {
char *buffer = os_->Push(10);
const char* end = internal::u32toa(u, buffer);
os_->Pop(static_cast<size_t>(10 - (end - buffer)));
return true;
}
template<>
inline bool Writer<StringBuffer>::WriteInt64(int64_t i64) {
char *buffer = os_->Push(21);
const char* end = internal::i64toa(i64, buffer);
os_->Pop(static_cast<size_t>(21 - (end - buffer)));
return true;
}
template<>
inline bool Writer<StringBuffer>::WriteUint64(uint64_t u) {
char *buffer = os_->Push(20);
const char* end = internal::u64toa(u, buffer);
os_->Pop(static_cast<size_t>(20 - (end - buffer)));
return true;
}
template<>
inline bool Writer<StringBuffer>::WriteDouble(double d) {
if (internal::Double(d).IsNanOrInf()) {
// Note: This code path can only be reached if (RAPIDJSON_WRITE_DEFAULT_FLAGS & kWriteNanAndInfFlag).
if (!(kWriteDefaultFlags & kWriteNanAndInfFlag))
return false;
if (internal::Double(d).IsNan()) {
PutReserve(*os_, 3);
PutUnsafe(*os_, 'N'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'N');
return true;
}
if (internal::Double(d).Sign()) {
PutReserve(*os_, 9);
PutUnsafe(*os_, '-');
}
else
PutReserve(*os_, 8);
PutUnsafe(*os_, 'I'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'f');
PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 't'); PutUnsafe(*os_, 'y');
return true;
}
char *buffer = os_->Push(25);
char* end = internal::dtoa(d, buffer, maxDecimalPlaces_);
os_->Pop(static_cast<size_t>(25 - (end - buffer)));
return true;
}
#if defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42)
template<>
inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream& is, size_t length) {
if (length < 16)
return RAPIDJSON_LIKELY(is.Tell() < length);
if (!RAPIDJSON_LIKELY(is.Tell() < length))
return false;
const char* p = is.src_;
const char* end = is.head_ + length;
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
const char* endAligned = reinterpret_cast<const char*>(reinterpret_cast<size_t>(end) & static_cast<size_t>(~15));
if (nextAligned > end)
return true;
while (p != nextAligned)
if (*p < 0x20 || *p == '\"' || *p == '\\') {
is.src_ = p;
return RAPIDJSON_LIKELY(is.Tell() < length);
}
else
os_->PutUnsafe(*p++);
// The rest of string using SIMD
static const char dquote[16] = { '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"' };
static const char bslash[16] = { '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\' };
static const char space[16] = { 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F };
const __m128i dq = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&dquote[0]));
const __m128i bs = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&bslash[0]));
const __m128i sp = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&space[0]));
for (; p != endAligned; p += 16) {
const __m128i s = _mm_load_si128(reinterpret_cast<const __m128i *>(p));
const __m128i t1 = _mm_cmpeq_epi8(s, dq);
const __m128i t2 = _mm_cmpeq_epi8(s, bs);
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x1F) == 0x1F
const __m128i x = _mm_or_si128(_mm_or_si128(t1, t2), t3);
unsigned short r = static_cast<unsigned short>(_mm_movemask_epi8(x));
if (RAPIDJSON_UNLIKELY(r != 0)) { // some of characters is escaped
SizeType len;
#ifdef _MSC_VER // Find the index of first escaped
unsigned long offset;
_BitScanForward(&offset, r);
len = offset;
#else
len = static_cast<SizeType>(__builtin_ffs(r) - 1);
#endif
char* q = reinterpret_cast<char*>(os_->PushUnsafe(len));
for (size_t i = 0; i < len; i++)
q[i] = p[i];
p += len;
break;
}
_mm_storeu_si128(reinterpret_cast<__m128i *>(os_->PushUnsafe(16)), s);
}
is.src_ = p;
return RAPIDJSON_LIKELY(is.Tell() < length);
}
#elif defined(RAPIDJSON_NEON)
template<>
inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream& is, size_t length) {
if (length < 16)
return RAPIDJSON_LIKELY(is.Tell() < length);
if (!RAPIDJSON_LIKELY(is.Tell() < length))
return false;
const char* p = is.src_;
const char* end = is.head_ + length;
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
const char* endAligned = reinterpret_cast<const char*>(reinterpret_cast<size_t>(end) & static_cast<size_t>(~15));
if (nextAligned > end)
return true;
while (p != nextAligned)
if (*p < 0x20 || *p == '\"' || *p == '\\') {
is.src_ = p;
return RAPIDJSON_LIKELY(is.Tell() < length);
}
else
os_->PutUnsafe(*p++);
// The rest of string using SIMD
const uint8x16_t s0 = vmovq_n_u8('"');
const uint8x16_t s1 = vmovq_n_u8('\\');
const uint8x16_t s2 = vmovq_n_u8('\b');
const uint8x16_t s3 = vmovq_n_u8(32);
for (; p != endAligned; p += 16) {
const uint8x16_t s = vld1q_u8(reinterpret_cast<const uint8_t *>(p));
uint8x16_t x = vceqq_u8(s, s0);
x = vorrq_u8(x, vceqq_u8(s, s1));
x = vorrq_u8(x, vceqq_u8(s, s2));
x = vorrq_u8(x, vcltq_u8(s, s3));
x = vrev64q_u8(x); // Rev in 64
uint64_t low = vgetq_lane_u64(vreinterpretq_u64_u8(x), 0); // extract
uint64_t high = vgetq_lane_u64(vreinterpretq_u64_u8(x), 1); // extract
SizeType len = 0;
bool escaped = false;
if (low == 0) {
if (high != 0) {
uint32_t lz = internal::clzll(high);
len = 8 + (lz >> 3);
escaped = true;
}
} else {
uint32_t lz = internal::clzll(low);
len = lz >> 3;
escaped = true;
}
if (RAPIDJSON_UNLIKELY(escaped)) { // some of characters is escaped
char* q = reinterpret_cast<char*>(os_->PushUnsafe(len));
for (size_t i = 0; i < len; i++)
q[i] = p[i];
p += len;
break;
}
vst1q_u8(reinterpret_cast<uint8_t *>(os_->PushUnsafe(16)), s);
}
is.src_ = p;
return RAPIDJSON_LIKELY(is.Tell() < length);
}
#endif // RAPIDJSON_NEON
RAPIDJSON_NAMESPACE_END
#if defined(_MSC_VER) || defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_RAPIDJSON_H_

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _RLOTTIE_H_
#define _RLOTTIE_H_
#include <future>
#include <vector>
#include <memory>
#if defined _WIN32 || defined __CYGWIN__
#ifdef RLOTTIE_BUILD
#define RLOTTIE_API __declspec(dllexport)
#else
#define RLOTTIE_API __declspec(dllimport)
#endif
#else
#ifdef RLOTTIE_BUILD
#define RLOTTIE_API __attribute__ ((visibility ("default")))
#else
#define RLOTTIE_API
#endif
#endif
class AnimationImpl;
struct LOTNode;
struct LOTLayerNode;
namespace rlottie {
/**
* @brief Configures rlottie model cache policy.
*
* Provides Library level control to configure model cache
* policy. Setting it to 0 will disable
* the cache as well as flush all the previously cached content.
*
* @param[in] cacheSize Maximum Model Cache size.
*
* @note to disable Caching configure with 0 size.
* @note to flush the current Cache content configure it with 0 and
* then reconfigure with the new size.
*
* @internal
*/
RLOTTIE_API void configureModelCacheSize(size_t cacheSize);
struct Color {
Color() = default;
Color(float r, float g , float b):_r(r), _g(g), _b(b){}
float r() const {return _r;}
float g() const {return _g;}
float b() const {return _b;}
private:
float _r{0};
float _g{0};
float _b{0};
};
struct Size {
Size() = default;
Size(float w, float h):_w(w), _h(h){}
float w() const {return _w;}
float h() const {return _h;}
private:
float _w{0};
float _h{0};
};
struct Point {
Point() = default;
Point(float x, float y):_x(x), _y(y){}
float x() const {return _x;}
float y() const {return _y;}
private:
float _x{0};
float _y{0};
};
struct FrameInfo {
explicit FrameInfo(uint32_t frame): _frameNo(frame){}
uint32_t curFrame() const {return _frameNo;}
private:
uint32_t _frameNo;
};
enum class Property {
FillColor, /*!< Color property of Fill object , value type is rlottie::Color */
FillOpacity, /*!< Opacity property of Fill object , value type is float [ 0 .. 100] */
StrokeColor, /*!< Color property of Stroke object , value type is rlottie::Color */
StrokeOpacity, /*!< Opacity property of Stroke object , value type is float [ 0 .. 100] */
StrokeWidth, /*!< stroke width property of Stroke object , value type is float */
TrAnchor, /*!< Transform Anchor property of Layer and Group object , value type is rlottie::Point */
TrPosition, /*!< Transform Position property of Layer and Group object , value type is rlottie::Point */
TrScale, /*!< Transform Scale property of Layer and Group object , value type is rlottie::Size. range[0 ..100] */
TrRotation, /*!< Transform Rotation property of Layer and Group object , value type is float. range[0 .. 360] in degrees*/
TrOpacity /*!< Transform Opacity property of Layer and Group object , value type is float [ 0 .. 100] */
};
struct Color_Type{};
struct Point_Type{};
struct Size_Type{};
struct Float_Type{};
template <typename T> struct MapType;
class RLOTTIE_API Surface {
public:
/**
* @brief Surface object constructor.
*
* @param[in] buffer surface buffer.
* @param[in] width surface width.
* @param[in] height surface height.
* @param[in] bytesPerLine number of bytes in a surface scanline.
*
* @note Default surface format is ARGB32_Premultiplied.
*
* @internal
*/
Surface(uint32_t *buffer, size_t width, size_t height, size_t bytesPerLine);
/**
* @brief Sets the Draw Area available on the Surface.
*
* Lottie will use the draw region size to generate frame image
* and will update only the draw rgion of the surface.
*
* @param[in] x region area x position.
* @param[in] y region area y position.
* @param[in] width region area width.
* @param[in] height region area height.
*
* @note Default surface format is ARGB32_Premultiplied.
* @note Default draw region area is [ 0 , 0, surface width , surface height]
*
* @internal
*/
void setDrawRegion(size_t x, size_t y, size_t width, size_t height);
/**
* @brief Returns width of the surface.
*
* @return surface width
*
* @internal
*
*/
size_t width() const {return mWidth;}
/**
* @brief Returns height of the surface.
*
* @return surface height
*
* @internal
*/
size_t height() const {return mHeight;}
/**
* @brief Returns number of bytes in the surface scanline.
*
* @return number of bytes in scanline.
*
* @internal
*/
size_t bytesPerLine() const {return mBytesPerLine;}
/**
* @brief Returns buffer attached tp the surface.
*
* @return buffer attaced to the Surface.
*
* @internal
*/
uint32_t *buffer() const {return mBuffer;}
/**
* @brief Returns drawable area width of the surface.
*
* @return drawable area width
*
* @note Default value is width() of the surface
*
* @internal
*
*/
size_t drawRegionWidth() const {return mDrawArea.w;}
/**
* @brief Returns drawable area height of the surface.
*
* @return drawable area height
*
* @note Default value is height() of the surface
*
* @internal
*/
size_t drawRegionHeight() const {return mDrawArea.h;}
/**
* @brief Returns drawable area's x position of the surface.
*
* @return drawable area's x potition.
*
* @note Default value is 0
*
* @internal
*/
size_t drawRegionPosX() const {return mDrawArea.x;}
/**
* @brief Returns drawable area's y position of the surface.
*
* @return drawable area's y potition.
*
* @note Default value is 0
*
* @internal
*/
size_t drawRegionPosY() const {return mDrawArea.y;}
/**
* @brief Default constructor.
*/
Surface() = default;
private:
uint32_t *mBuffer{nullptr};
size_t mWidth{0};
size_t mHeight{0};
size_t mBytesPerLine{0};
struct {
size_t x{0};
size_t y{0};
size_t w{0};
size_t h{0};
}mDrawArea;
};
using MarkerList = std::vector<std::tuple<std::string, int , int>>;
/**
* @brief https://helpx.adobe.com/after-effects/using/layer-markers-composition-markers.html
* Markers exported form AE are used to describe a segmnet of an animation {comment/tag , startFrame, endFrame}
* Marker can be use to devide a resource in to separate animations by tagging the segment with comment string ,
* start frame and duration of that segment.
*/
using LayerInfoList = std::vector<std::tuple<std::string, int , int>>;
using ColorFilter = std::function<void(float &r , float &g, float &b)>;
class RLOTTIE_API Animation {
public:
/**
* @brief Constructs an animation object from file path.
*
* @param[in] path Lottie resource file path
* @param[in] cachePolicy whether to cache or not the model data.
* use only when need to explicit disabl caching for a
* particular resource. To disable caching at library level
* use @see configureModelCacheSize() instead.
*
* @return Animation object that can render the contents of the
* Lottie resource represented by file path.
*
* @internal
*/
static std::unique_ptr<Animation>
loadFromFile(const std::string &path, bool cachePolicy=true);
/**
* @brief Constructs an animation object from JSON string data.
*
* @param[in] jsonData The JSON string data.
* @param[in] key the string that will be used to cache the JSON string data.
* @param[in] resourcePath the path will be used to search for external resource.
* @param[in] cachePolicy whether to cache or not the model data.
* use only when need to explicit disabl caching for a
* particular resource. To disable caching at library level
* use @see configureModelCacheSize() instead.
*
* @return Animation object that can render the contents of the
* Lottie resource represented by JSON string data.
*
* @internal
*/
static std::unique_ptr<Animation>
loadFromData(std::string jsonData, const std::string &key,
const std::string &resourcePath="", bool cachePolicy=true);
/**
* @brief Constructs an animation object from JSON string data and update.
* the color properties using ColorFilter.
* @param[in] jsonData The JSON string data.
* @param[in] resourcePath the path will be used to search for external resource.
* @param[in] filter The color filter that will be applied for each color property
* found during parsing.
* @return Animation object that can render the contents of the
* Lottie resource represented by JSON string data.
*
* @internal
*/
static std::unique_ptr<Animation>
loadFromData(std::string jsonData, std::string resourcePath, ColorFilter filter);
/**
* @brief Returns default framerate of the Lottie resource.
*
* @return framerate of the Lottie resource
*
* @internal
*
*/
double frameRate() const;
/**
* @brief Returns total number of frames present in the Lottie resource.
*
* @return frame count of the Lottie resource.
*
* @note frame number starts with 0.
*
* @internal
*/
size_t totalFrame() const;
/**
* @brief Returns default viewport size of the Lottie resource.
*
* @param[out] width default width of the viewport.
* @param[out] height default height of the viewport.
*
* @internal
*
*/
void size(size_t &width, size_t &height) const;
/**
* @brief Returns total animation duration of Lottie resource in second.
* it uses totalFrame() and frameRate() to calculate the duration.
* duration = totalFrame() / frameRate().
*
* @return total animation duration in second.
* @retval 0 if the Lottie resource has no animation.
*
* @see totalFrame()
* @see frameRate()
*
* @internal
*/
double duration() const;
/**
* @brief Returns frame number for a given position.
* this function helps to map the position value retuned
* by the animator to a frame number in side the Lottie resource.
* frame_number = lerp(start_frame, endframe, pos);
*
* @param[in] pos normalized position value [0 ... 1]
*
* @return frame numer maps to the position value [startFrame .... endFrame]
*
* @internal
*/
size_t frameAtPos(double pos);
/**
* @brief Renders the content to surface Asynchronously.
* it gives a future in return to get the result of the
* rendering at a future point.
* To get best performance user has to start rendering as soon as
* it finds that content at {frameNo} has to be rendered and get the
* result from the future at the last moment when the surface is needed
* to draw into the screen.
*
*
* @param[in] frameNo Content corresponds to the @p frameNo needs to be drawn
* @param[in] surface Surface in which content will be drawn
* @param[in] keepAspectRatio whether to keep the aspect ratio while scaling the content.
*
* @return future that will hold the result when rendering finished.
*
* for Synchronus rendering @see renderSync
*
* @see Surface
* @internal
*/
std::future<Surface> render(size_t frameNo, Surface surface, bool keepAspectRatio=true);
/**
* @brief Renders the content to surface synchronously.
* for performance use the async rendering @see render
*
* @param[in] frameNo Content corresponds to the @p frameNo needs to be drawn
* @param[in] surface Surface in which content will be drawn
* @param[in] keepAspectRatio whether to keep the aspect ratio while scaling the content.
*
* @internal
*/
void renderSync(size_t frameNo, Surface surface, bool keepAspectRatio=true);
/**
* @brief Returns root layer of the composition updated with
* content of the Lottie resource at frame number @p frameNo.
*
* @param[in] frameNo Content corresponds to the @p frameNo needs to be extracted.
* @param[in] width content viewbox width
* @param[in] height content viewbox height
*
* @return Root layer node.
*
* @internal
*/
const LOTLayerNode * renderTree(size_t frameNo, size_t width, size_t height) const;
/**
* @brief Returns Composition Markers.
*
*
* @return returns MarkerList of the Composition.
*
* @see MarkerList
* @internal
*/
const MarkerList& markers() const;
/**
* @brief Returns Layer information{name, inFrame, outFrame} of all the child layers of the composition.
*
*
* @return List of Layer Information of the Composition.
*
* @see LayerInfoList
* @internal
*/
const LayerInfoList& layers() const;
/**
* @brief Sets property value for the specified {@link KeyPath}. This {@link KeyPath} can resolve
* to multiple contents. In that case, the callback's value will apply to all of them.
*
* Keypath should conatin object names separated by (.) and can handle globe(**) or wildchar(*).
*
* @usage
* To change fillcolor property of fill1 object in the layer1->group1->fill1 hirarchy to RED color
*
* player->setValue<rlottie::Property::FillColor>("layer1.group1.fill1", rlottie::Color(1, 0, 0);
*
* if all the color property inside group1 needs to be changed to GREEN color
*
* player->setValue<rlottie::Property::FillColor>("**.group1.**", rlottie::Color(0, 1, 0);
*
* @internal
*/
template<Property prop, typename AnyValue>
void setValue(const std::string &keypath, AnyValue value)
{
setValue(MapType<std::integral_constant<Property, prop>>{}, prop, keypath, value);
}
/**
* @brief default destructor
*
* @internal
*/
~Animation();
private:
void setValue(Color_Type, Property, const std::string &, Color);
void setValue(Float_Type, Property, const std::string &, float);
void setValue(Size_Type, Property, const std::string &, Size);
void setValue(Point_Type, Property, const std::string &, Point);
void setValue(Color_Type, Property, const std::string &, std::function<Color(const FrameInfo &)> &&);
void setValue(Float_Type, Property, const std::string &, std::function<float(const FrameInfo &)> &&);
void setValue(Size_Type, Property, const std::string &, std::function<Size(const FrameInfo &)> &&);
void setValue(Point_Type, Property, const std::string &, std::function<Point(const FrameInfo &)> &&);
/**
* @brief default constructor
*
* @internal
*/
Animation();
std::unique_ptr<AnimationImpl> d;
};
//Map Property to Value type
template<> struct MapType<std::integral_constant<Property, Property::FillColor>>: Color_Type{};
template<> struct MapType<std::integral_constant<Property, Property::StrokeColor>>: Color_Type{};
template<> struct MapType<std::integral_constant<Property, Property::FillOpacity>>: Float_Type{};
template<> struct MapType<std::integral_constant<Property, Property::StrokeOpacity>>: Float_Type{};
template<> struct MapType<std::integral_constant<Property, Property::StrokeWidth>>: Float_Type{};
template<> struct MapType<std::integral_constant<Property, Property::TrRotation>>: Float_Type{};
template<> struct MapType<std::integral_constant<Property, Property::TrOpacity>>: Float_Type{};
template<> struct MapType<std::integral_constant<Property, Property::TrAnchor>>: Point_Type{};
template<> struct MapType<std::integral_constant<Property, Property::TrPosition>>: Point_Type{};
template<> struct MapType<std::integral_constant<Property, Property::TrScale>>: Size_Type{};
} // namespace lotplayer
#endif // _RLOTTIE_H_

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _RLOTTIE_CAPI_H_
#define _RLOTTIE_CAPI_H_
#include <stddef.h>
#include <stdint.h>
#include "rlottiecommon.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
LOTTIE_ANIMATION_PROPERTY_FILLCOLOR, /*!< Color property of Fill object , value type is float [0 ... 1] */
LOTTIE_ANIMATION_PROPERTY_FILLOPACITY, /*!< Opacity property of Fill object , value type is float [ 0 .. 100] */
LOTTIE_ANIMATION_PROPERTY_STROKECOLOR, /*!< Color property of Stroke object , value type is float [0 ... 1] */
LOTTIE_ANIMATION_PROPERTY_STROKEOPACITY, /*!< Opacity property of Stroke object , value type is float [ 0 .. 100] */
LOTTIE_ANIMATION_PROPERTY_STROKEWIDTH, /*!< stroke with property of Stroke object , value type is float */
LOTTIE_ANIMATION_PROPERTY_TR_ANCHOR, /*!< Transform Anchor property of Layer and Group object , value type is int */
LOTTIE_ANIMATION_PROPERTY_TR_POSITION, /*!< Transform Position property of Layer and Group object , value type is int */
LOTTIE_ANIMATION_PROPERTY_TR_SCALE, /*!< Transform Scale property of Layer and Group object , value type is float range[0 ..100] */
LOTTIE_ANIMATION_PROPERTY_TR_ROTATION, /*!< Transform Scale property of Layer and Group object , value type is float. range[0 .. 360] in degrees*/
LOTTIE_ANIMATION_PROPERTY_TR_OPACITY /*!< Transform Opacity property of Layer and Group object , value type is float [ 0 .. 100] */
}Lottie_Animation_Property;
typedef struct Lottie_Animation_S Lottie_Animation;
/**
* @brief Constructs an animation object from file path.
*
* @param[in] path Lottie resource file path
*
* @return Animation object that can build the contents of the
* Lottie resource represented by file path.
*
* @see lottie_animation_destroy()
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API Lottie_Animation *lottie_animation_from_file(const char *path);
/**
* @brief Constructs an animation object from JSON string data.
*
* @param[in] data The JSON string data.
* @param[in] key the string that will be used to cache the JSON string data.
* @param[in] resource_path the path that will be used to load external resource needed by the JSON data.
*
* @return Animation object that can build the contents of the
* Lottie resource represented by JSON string data.
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API Lottie_Animation *lottie_animation_from_data(const char *data, const char *key, const char *resource_path);
/**
* @brief Free given Animation object resource.
*
* @param[in] animation Animation object to free.
*
* @see lottie_animation_from_file()
* @see lottie_animation_from_data()
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API void lottie_animation_destroy(Lottie_Animation *animation);
/**
* @brief Returns default viewport size of the Lottie resource.
*
* @param[in] animation Animation object.
* @param[out] w default width of the viewport.
* @param[out] h default height of the viewport.
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API void lottie_animation_get_size(const Lottie_Animation *animation, size_t *width, size_t *height);
/**
* @brief Returns total animation duration of Lottie resource in second.
* it uses totalFrame() and frameRate() to calculate the duration.
* duration = totalFrame() / frameRate().
*
* @param[in] animation Animation object.
*
* @return total animation duration in second.
* @c 0 if the Lottie resource has no animation.
*
* @see lottie_animation_get_totalframe()
* @see lottie_animation_get_framerate()
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API double lottie_animation_get_duration(const Lottie_Animation *animation);
/**
* @brief Returns total number of frames present in the Lottie resource.
*
* @param[in] animation Animation object.
*
* @return frame count of the Lottie resource.*
*
* @note frame number starts with 0.
*
* @see lottie_animation_get_duration()
* @see lottie_animation_get_framerate()
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API size_t lottie_animation_get_totalframe(const Lottie_Animation *animation);
/**
* @brief Returns default framerate of the Lottie resource.
*
* @param[in] animation Animation object.
*
* @return framerate of the Lottie resource
*
* @ingroup Lottie_Animation
* @internal
*
*/
RLOTTIE_API double lottie_animation_get_framerate(const Lottie_Animation *animation);
/**
* @brief Get the render tree which contains the snapshot of the animation object
* at frame = @c frame_num, the content of the animation in that frame number.
*
* @param[in] animation Animation object.
* @param[in] frame_num Content corresponds to the @p frame_num needs to be drawn
* @param[in] width requested snapshot viewport width.
* @param[in] height requested snapshot viewport height.
*
* @return Animation snapshot tree.
*
* @note: User has to traverse the tree for rendering.
*
* @see LOTLayerNode
* @see LOTNode
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API const LOTLayerNode *lottie_animation_render_tree(Lottie_Animation *animation, size_t frame_num, size_t width, size_t height);
/**
* @brief Maps position to frame number and returns it.
*
* @param[in] animation Animation object.
* @param[in] pos position in the range [ 0.0 .. 1.0 ].
*
* @return mapped frame numbe in the range [ start_frame .. end_frame ].
* @c 0 if the Lottie resource has no animation.
*
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API size_t lottie_animation_get_frame_at_pos(const Lottie_Animation *animation, float pos);
/**
* @brief Request to render the content of the frame @p frame_num to buffer @p buffer.
*
* @param[in] animation Animation object.
* @param[in] frame_num the frame number needs to be rendered.
* @param[in] buffer surface buffer use for rendering.
* @param[in] width width of the surface
* @param[in] height height of the surface
* @param[in] bytes_per_line stride of the surface in bytes.
*
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API void lottie_animation_render(Lottie_Animation *animation, size_t frame_num, uint32_t *buffer, size_t width, size_t height, size_t bytes_per_line);
/**
* @brief Request to render the content of the frame @p frame_num to buffer @p buffer asynchronously.
*
* @param[in] animation Animation object.
* @param[in] frame_num the frame number needs to be rendered.
* @param[in] buffer surface buffer use for rendering.
* @param[in] width width of the surface
* @param[in] height height of the surface
* @param[in] bytes_per_line stride of the surface in bytes.
*
* @note user must call lottie_animation_render_flush() to make sure render is finished.
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API void lottie_animation_render_async(Lottie_Animation *animation, size_t frame_num, uint32_t *buffer, size_t width, size_t height, size_t bytes_per_line);
/**
* @brief Request to finish the current async renderer job for this animation object.
* If render is finished then this call returns immidiately.
* If not, it waits till render job finish and then return.
*
* @param[in] animation Animation object.
*
* @warning User must call lottie_animation_render_async() and lottie_animation_render_flush()
* in pair to get the benefit of async rendering.
*
* @return the pixel buffer it finished rendering.
*
* @ingroup Lottie_Animation
* @internal
*/
RLOTTIE_API uint32_t *lottie_animation_render_flush(Lottie_Animation *animation);
/**
* @brief Request to change the properties of this animation object.
* Keypath should conatin object names separated by (.) and can handle globe(**) or wildchar(*)
*
* @usage
* To change fillcolor property of fill1 object in the layer1->group1->fill1 hirarchy to RED color
*
* lottie_animation_property_override(animation, LOTTIE_ANIMATION_PROPERTY_FILLCOLOR, "layer1.group1.fill1", 1.0, 0.0, 0.0);
*
* if all the color property inside group1 needs to be changed to GREEN color
*
* lottie_animation_property_override(animation, LOTTIE_ANIMATION_PROPERTY_FILLCOLOR, "**.group1.**", 1.0, 0.0, 0.0);
*
* @param[in] animation Animation object.
* @param[in] type Property type. (@p Lottie_Animation_Property)
* @param[in] keypath Specific content of target.
* @param[in] ... Property values.
*
* @ingroup Lottie_Animation
* @internal
* */
RLOTTIE_API void lottie_animation_property_override(Lottie_Animation *animation, const Lottie_Animation_Property type, const char *keypath, ...);
/**
* @brief Returns list of markers in the Lottie resource
* @p LOTMarkerList has a @p LOTMarker list and size of list
* @p LOTMarker has the marker's name, start frame, and end frame.
*
* @param[in] animation Animation object.
*
* @return The list of marker. If there is no marker, return null.
*
* @ingroup Lottie_Animation
* @internal
* */
RLOTTIE_API const LOTMarkerList* lottie_animation_get_markerlist(Lottie_Animation *animation);
/**
* @brief Configures rlottie model cache policy.
*
* Provides Library level control to configure model cache
* policy. Setting it to 0 will disable
* the cache as well as flush all the previously cached content.
*
* @param[in] cacheSize Maximum Model Cache size.
*
* @note to disable Caching configure with 0 size.
* @note to flush the current Cache content configure it with 0 and
* then reconfigure with the new size.
*
* @internal
*/
RLOTTIE_API void lottie_configure_model_cache_size(size_t cacheSize);
#ifdef __cplusplus
}
#endif
#endif //_RLOTTIE_CAPI_H_

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _RLOTTIE_COMMON_H_
#define _RLOTTIE_COMMON_H_
#if defined _WIN32 || defined __CYGWIN__
#ifdef RLOTTIE_BUILD
#define RLOTTIE_API __declspec(dllexport)
#else
#define RLOTTIE_API __declspec(dllimport)
#endif
#else
#ifdef RLOTTIE_BUILD
#define RLOTTIE_API __attribute__ ((visibility ("default")))
#else
#define RLOTTIE_API
#endif
#endif
/**
* @defgroup Lottie_Animation Lottie_Animation
*
* Lottie Animation is a modern style vector based animation design. Its animation
* resource(within json format) could be generated by Adobe After Effect using
* bodymovin plugin. You can find a good examples in Lottie Community which
* shares many free resources(see: www.lottiefiles.com).
*
* This Lottie_Animation is a common engine to manipulate, control Lottie
* Animation from the Lottie resource - json file. It provides a scene-graph
* node tree per frames by user demand as well as rasterized frame images.
*
*/
/**
* @ingroup Lottie_Animation
*/
typedef enum
{
BrushSolid = 0,
BrushGradient
} LOTBrushType;
typedef enum
{
FillEvenOdd = 0,
FillWinding
} LOTFillRule;
typedef enum
{
JoinMiter = 0,
JoinBevel,
JoinRound
} LOTJoinStyle;
typedef enum
{
CapFlat = 0,
CapSquare,
CapRound
} LOTCapStyle;
typedef enum
{
GradientLinear = 0,
GradientRadial
} LOTGradientType;
typedef struct LOTGradientStop
{
float pos;
unsigned char r, g, b, a;
} LOTGradientStop;
typedef enum
{
MaskAdd = 0,
MaskSubstract,
MaskIntersect,
MaskDifference
} LOTMaskType;
typedef struct LOTMask {
struct {
const float *ptPtr;
size_t ptCount;
const char* elmPtr;
size_t elmCount;
} mPath;
LOTMaskType mMode;
unsigned char mAlpha;
}LOTMask;
typedef enum
{
MatteNone = 0,
MatteAlpha,
MatteAlphaInv,
MatteLuma,
MatteLumaInv
} LOTMatteType;
typedef struct LOTMarker {
char *name;
size_t startframe;
size_t endframe;
} LOTMarker;
typedef struct LOTMarkerList {
LOTMarker *ptr;
size_t size;
} LOTMarkerList;
typedef struct LOTNode {
#define ChangeFlagNone 0x0000
#define ChangeFlagPath 0x0001
#define ChangeFlagPaint 0x0010
#define ChangeFlagAll (ChangeFlagPath & ChangeFlagPaint)
struct {
const float *ptPtr;
size_t ptCount;
const char *elmPtr;
size_t elmCount;
} mPath;
struct {
unsigned char r, g, b, a;
} mColor;
struct {
unsigned char enable;
float width;
LOTCapStyle cap;
LOTJoinStyle join;
float miterLimit;
float *dashArray;
int dashArraySize;
} mStroke;
struct {
LOTGradientType type;
LOTGradientStop *stopPtr;
size_t stopCount;
struct {
float x, y;
} start, end, center, focal;
float cradius;
float fradius;
} mGradient;
struct {
unsigned char *data;
size_t width;
size_t height;
unsigned char mAlpha;
struct {
float m11; float m12; float m13;
float m21; float m22; float m23;
float m31; float m32; float m33;
} mMatrix;
} mImageInfo;
int mFlag;
LOTBrushType mBrushType;
LOTFillRule mFillRule;
const char *keypath;
} LOTNode;
typedef struct LOTLayerNode {
struct {
LOTMask *ptr;
size_t size;
} mMaskList;
struct {
const float *ptPtr;
size_t ptCount;
const char *elmPtr;
size_t elmCount;
} mClipPath;
struct {
struct LOTLayerNode **ptr;
size_t size;
} mLayerList;
struct {
LOTNode **ptr;
size_t size;
} mNodeList;
LOTMatteType mMatte;
int mVisible;
unsigned char mAlpha;
const char *keypath;
} LOTLayerNode;
/**
* @}
*/
#endif // _RLOTTIE_COMMON_H_

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/***************************************************************************/
/* */
/* fttrigon.c */
/* */
/* FreeType trigonometric functions (body). */
/* */
/* Copyright 2001-2005, 2012-2013 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#include "vector_freetype_v_ft_math.h"
#include <math.h>
//form https://github.com/chromium/chromium/blob/59afd8336009c9d97c22854c52e0382b62b3aa5e/third_party/abseil-cpp/absl/base/internal/bits.h
#if defined(_MSC_VER)
#include <intrin.h>
static unsigned int __inline clz(unsigned int x) {
unsigned long r = 0;
if (x != 0)
{
_BitScanReverse(&r, x);
}
return r;
}
#define SW_FT_MSB(x) (clz(x))
#elif defined(__GNUC__)
#define SW_FT_MSB(x) (31 - __builtin_clz(x))
#else
static unsigned int __inline clz(unsigned int x) {
int c = 31;
x &= ~x + 1;
if (n & 0x0000FFFF) c -= 16;
if (n & 0x00FF00FF) c -= 8;
if (n & 0x0F0F0F0F) c -= 4;
if (n & 0x33333333) c -= 2;
if (n & 0x55555555) c -= 1;
return c;
}
#define SW_FT_MSB(x) (clz(x))
#endif
#define SW_FT_PAD_FLOOR(x, n) ((x) & ~((n)-1))
#define SW_FT_PAD_ROUND(x, n) SW_FT_PAD_FLOOR((x) + ((n) / 2), n)
#define SW_FT_PAD_CEIL(x, n) SW_FT_PAD_FLOOR((x) + ((n)-1), n)
#define SW_FT_BEGIN_STMNT do {
#define SW_FT_END_STMNT \
} \
while (0)
/* transfer sign leaving a positive number */
#define SW_FT_MOVE_SIGN(x, s) \
SW_FT_BEGIN_STMNT \
if (x < 0) { \
x = -x; \
s = -s; \
} \
SW_FT_END_STMNT
SW_FT_Long SW_FT_MulFix(SW_FT_Long a, SW_FT_Long b)
{
SW_FT_Int s = 1;
SW_FT_Long c;
SW_FT_MOVE_SIGN(a, s);
SW_FT_MOVE_SIGN(b, s);
c = (SW_FT_Long)(((SW_FT_Int64)a * b + 0x8000L) >> 16);
return (s > 0) ? c : -c;
}
SW_FT_Long SW_FT_MulDiv(SW_FT_Long a, SW_FT_Long b, SW_FT_Long c)
{
SW_FT_Int s = 1;
SW_FT_Long d;
SW_FT_MOVE_SIGN(a, s);
SW_FT_MOVE_SIGN(b, s);
SW_FT_MOVE_SIGN(c, s);
d = (SW_FT_Long)(c > 0 ? ((SW_FT_Int64)a * b + (c >> 1)) / c : 0x7FFFFFFFL);
return (s > 0) ? d : -d;
}
SW_FT_Long SW_FT_DivFix(SW_FT_Long a, SW_FT_Long b)
{
SW_FT_Int s = 1;
SW_FT_Long q;
SW_FT_MOVE_SIGN(a, s);
SW_FT_MOVE_SIGN(b, s);
q = (SW_FT_Long)(b > 0 ? (((SW_FT_UInt64)a << 16) + (b >> 1)) / b
: 0x7FFFFFFFL);
return (s < 0 ? -q : q);
}
/*************************************************************************/
/* */
/* This is a fixed-point CORDIC implementation of trigonometric */
/* functions as well as transformations between Cartesian and polar */
/* coordinates. The angles are represented as 16.16 fixed-point values */
/* in degrees, i.e., the angular resolution is 2^-16 degrees. Note that */
/* only vectors longer than 2^16*180/pi (or at least 22 bits) on a */
/* discrete Cartesian grid can have the same or better angular */
/* resolution. Therefore, to maintain this precision, some functions */
/* require an interim upscaling of the vectors, whereas others operate */
/* with 24-bit long vectors directly. */
/* */
/*************************************************************************/
/* the Cordic shrink factor 0.858785336480436 * 2^32 */
#define SW_FT_TRIG_SCALE 0xDBD95B16UL
/* the highest bit in overflow-safe vector components, */
/* MSB of 0.858785336480436 * sqrt(0.5) * 2^30 */
#define SW_FT_TRIG_SAFE_MSB 29
/* this table was generated for SW_FT_PI = 180L << 16, i.e. degrees */
#define SW_FT_TRIG_MAX_ITERS 23
static const SW_FT_Fixed ft_trig_arctan_table[] = {
1740967L, 919879L, 466945L, 234379L, 117304L, 58666L, 29335L, 14668L,
7334L, 3667L, 1833L, 917L, 458L, 229L, 115L, 57L,
29L, 14L, 7L, 4L, 2L, 1L};
/* multiply a given value by the CORDIC shrink factor */
static SW_FT_Fixed ft_trig_downscale(SW_FT_Fixed val)
{
SW_FT_Fixed s;
SW_FT_Int64 v;
s = val;
val = SW_FT_ABS(val);
v = (val * (SW_FT_Int64)SW_FT_TRIG_SCALE) + 0x100000000UL;
val = (SW_FT_Fixed)(v >> 32);
return (s >= 0) ? val : -val;
}
/* undefined and never called for zero vector */
static SW_FT_Int ft_trig_prenorm(SW_FT_Vector* vec)
{
SW_FT_Pos x, y;
SW_FT_Int shift;
x = vec->x;
y = vec->y;
shift = SW_FT_MSB(SW_FT_ABS(x) | SW_FT_ABS(y));
if (shift <= SW_FT_TRIG_SAFE_MSB) {
shift = SW_FT_TRIG_SAFE_MSB - shift;
vec->x = (SW_FT_Pos)((SW_FT_ULong)x << shift);
vec->y = (SW_FT_Pos)((SW_FT_ULong)y << shift);
} else {
shift -= SW_FT_TRIG_SAFE_MSB;
vec->x = x >> shift;
vec->y = y >> shift;
shift = -shift;
}
return shift;
}
static void ft_trig_pseudo_rotate(SW_FT_Vector* vec, SW_FT_Angle theta)
{
SW_FT_Int i;
SW_FT_Fixed x, y, xtemp, b;
const SW_FT_Fixed* arctanptr;
x = vec->x;
y = vec->y;
/* Rotate inside [-PI/4,PI/4] sector */
while (theta < -SW_FT_ANGLE_PI4) {
xtemp = y;
y = -x;
x = xtemp;
theta += SW_FT_ANGLE_PI2;
}
while (theta > SW_FT_ANGLE_PI4) {
xtemp = -y;
y = x;
x = xtemp;
theta -= SW_FT_ANGLE_PI2;
}
arctanptr = ft_trig_arctan_table;
/* Pseudorotations, with right shifts */
for (i = 1, b = 1; i < SW_FT_TRIG_MAX_ITERS; b <<= 1, i++) {
SW_FT_Fixed v1 = ((y + b) >> i);
SW_FT_Fixed v2 = ((x + b) >> i);
if (theta < 0) {
xtemp = x + v1;
y = y - v2;
x = xtemp;
theta += *arctanptr++;
} else {
xtemp = x - v1;
y = y + v2;
x = xtemp;
theta -= *arctanptr++;
}
}
vec->x = x;
vec->y = y;
}
static void ft_trig_pseudo_polarize(SW_FT_Vector* vec)
{
SW_FT_Angle theta;
SW_FT_Int i;
SW_FT_Fixed x, y, xtemp, b;
const SW_FT_Fixed* arctanptr;
x = vec->x;
y = vec->y;
/* Get the vector into [-PI/4,PI/4] sector */
if (y > x) {
if (y > -x) {
theta = SW_FT_ANGLE_PI2;
xtemp = y;
y = -x;
x = xtemp;
} else {
theta = y > 0 ? SW_FT_ANGLE_PI : -SW_FT_ANGLE_PI;
x = -x;
y = -y;
}
} else {
if (y < -x) {
theta = -SW_FT_ANGLE_PI2;
xtemp = -y;
y = x;
x = xtemp;
} else {
theta = 0;
}
}
arctanptr = ft_trig_arctan_table;
/* Pseudorotations, with right shifts */
for (i = 1, b = 1; i < SW_FT_TRIG_MAX_ITERS; b <<= 1, i++) {
SW_FT_Fixed v1 = ((y + b) >> i);
SW_FT_Fixed v2 = ((x + b) >> i);
if (y > 0) {
xtemp = x + v1;
y = y - v2;
x = xtemp;
theta += *arctanptr++;
} else {
xtemp = x - v1;
y = y + v2;
x = xtemp;
theta -= *arctanptr++;
}
}
/* round theta */
if (theta >= 0)
theta = SW_FT_PAD_ROUND(theta, 32);
else
theta = -SW_FT_PAD_ROUND(-theta, 32);
vec->x = x;
vec->y = theta;
}
/* documentation is in fttrigon.h */
SW_FT_Fixed SW_FT_Cos(SW_FT_Angle angle)
{
SW_FT_Vector v;
v.x = SW_FT_TRIG_SCALE >> 8;
v.y = 0;
ft_trig_pseudo_rotate(&v, angle);
return (v.x + 0x80L) >> 8;
}
/* documentation is in fttrigon.h */
SW_FT_Fixed SW_FT_Sin(SW_FT_Angle angle)
{
return SW_FT_Cos(SW_FT_ANGLE_PI2 - angle);
}
/* documentation is in fttrigon.h */
SW_FT_Fixed SW_FT_Tan(SW_FT_Angle angle)
{
SW_FT_Vector v;
v.x = SW_FT_TRIG_SCALE >> 8;
v.y = 0;
ft_trig_pseudo_rotate(&v, angle);
return SW_FT_DivFix(v.y, v.x);
}
/* documentation is in fttrigon.h */
SW_FT_Angle SW_FT_Atan2(SW_FT_Fixed dx, SW_FT_Fixed dy)
{
SW_FT_Vector v;
if (dx == 0 && dy == 0) return 0;
v.x = dx;
v.y = dy;
ft_trig_prenorm(&v);
ft_trig_pseudo_polarize(&v);
return v.y;
}
/* documentation is in fttrigon.h */
void SW_FT_Vector_Unit(SW_FT_Vector* vec, SW_FT_Angle angle)
{
vec->x = SW_FT_TRIG_SCALE >> 8;
vec->y = 0;
ft_trig_pseudo_rotate(vec, angle);
vec->x = (vec->x + 0x80L) >> 8;
vec->y = (vec->y + 0x80L) >> 8;
}
/* these macros return 0 for positive numbers,
and -1 for negative ones */
#define SW_FT_SIGN_LONG(x) ((x) >> (SW_FT_SIZEOF_LONG * 8 - 1))
#define SW_FT_SIGN_INT(x) ((x) >> (SW_FT_SIZEOF_INT * 8 - 1))
#define SW_FT_SIGN_INT32(x) ((x) >> 31)
#define SW_FT_SIGN_INT16(x) ((x) >> 15)
/* documentation is in fttrigon.h */
void SW_FT_Vector_Rotate(SW_FT_Vector* vec, SW_FT_Angle angle)
{
SW_FT_Int shift;
SW_FT_Vector v;
v.x = vec->x;
v.y = vec->y;
if (angle && (v.x != 0 || v.y != 0)) {
shift = ft_trig_prenorm(&v);
ft_trig_pseudo_rotate(&v, angle);
v.x = ft_trig_downscale(v.x);
v.y = ft_trig_downscale(v.y);
if (shift > 0) {
SW_FT_Int32 half = (SW_FT_Int32)1L << (shift - 1);
vec->x = (v.x + half + SW_FT_SIGN_LONG(v.x)) >> shift;
vec->y = (v.y + half + SW_FT_SIGN_LONG(v.y)) >> shift;
} else {
shift = -shift;
vec->x = (SW_FT_Pos)((SW_FT_ULong)v.x << shift);
vec->y = (SW_FT_Pos)((SW_FT_ULong)v.y << shift);
}
}
}
/* documentation is in fttrigon.h */
SW_FT_Fixed SW_FT_Vector_Length(SW_FT_Vector* vec)
{
SW_FT_Int shift;
SW_FT_Vector v;
v = *vec;
/* handle trivial cases */
if (v.x == 0) {
return SW_FT_ABS(v.y);
} else if (v.y == 0) {
return SW_FT_ABS(v.x);
}
/* general case */
shift = ft_trig_prenorm(&v);
ft_trig_pseudo_polarize(&v);
v.x = ft_trig_downscale(v.x);
if (shift > 0) return (v.x + (1 << (shift - 1))) >> shift;
return (SW_FT_Fixed)((SW_FT_UInt32)v.x << -shift);
}
/* documentation is in fttrigon.h */
void SW_FT_Vector_Polarize(SW_FT_Vector* vec, SW_FT_Fixed* length,
SW_FT_Angle* angle)
{
SW_FT_Int shift;
SW_FT_Vector v;
v = *vec;
if (v.x == 0 && v.y == 0) return;
shift = ft_trig_prenorm(&v);
ft_trig_pseudo_polarize(&v);
v.x = ft_trig_downscale(v.x);
*length = (shift >= 0) ? (v.x >> shift)
: (SW_FT_Fixed)((SW_FT_UInt32)v.x << -shift);
*angle = v.y;
}
/* documentation is in fttrigon.h */
void SW_FT_Vector_From_Polar(SW_FT_Vector* vec, SW_FT_Fixed length,
SW_FT_Angle angle)
{
vec->x = length;
vec->y = 0;
SW_FT_Vector_Rotate(vec, angle);
}
/* documentation is in fttrigon.h */
SW_FT_Angle SW_FT_Angle_Diff( SW_FT_Angle angle1, SW_FT_Angle angle2 )
{
SW_FT_Angle delta = angle2 - angle1;
while ( delta <= -SW_FT_ANGLE_PI )
delta += SW_FT_ANGLE_2PI;
while ( delta > SW_FT_ANGLE_PI )
delta -= SW_FT_ANGLE_2PI;
return delta;
}
/* END */

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#ifndef V_FT_MATH_H
#define V_FT_MATH_H
/***************************************************************************/
/* */
/* fttrigon.h */
/* */
/* FreeType trigonometric functions (specification). */
/* */
/* Copyright 2001, 2003, 2005, 2007, 2013 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#include "vector_freetype_v_ft_types.h"
/*************************************************************************/
/* */
/* The min and max functions missing in C. As usual, be careful not to */
/* write things like SW_FT_MIN( a++, b++ ) to avoid side effects. */
/* */
#define SW_FT_MIN( a, b ) ( (a) < (b) ? (a) : (b) )
#define SW_FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) )
#define SW_FT_ABS( a ) ( (a) < 0 ? -(a) : (a) )
/*
* Approximate sqrt(x*x+y*y) using the `alpha max plus beta min'
* algorithm. We use alpha = 1, beta = 3/8, giving us results with a
* largest error less than 7% compared to the exact value.
*/
#define SW_FT_HYPOT( x, y ) \
( x = SW_FT_ABS( x ), \
y = SW_FT_ABS( y ), \
x > y ? x + ( 3 * y >> 3 ) \
: y + ( 3 * x >> 3 ) )
/*************************************************************************/
/* */
/* <Function> */
/* SW_FT_MulFix */
/* */
/* <Description> */
/* A very simple function used to perform the computation */
/* `(a*b)/0x10000' with maximum accuracy. Most of the time this is */
/* used to multiply a given value by a 16.16 fixed-point factor. */
/* */
/* <Input> */
/* a :: The first multiplier. */
/* b :: The second multiplier. Use a 16.16 factor here whenever */
/* possible (see note below). */
/* */
/* <Return> */
/* The result of `(a*b)/0x10000'. */
/* */
/* <Note> */
/* This function has been optimized for the case where the absolute */
/* value of `a' is less than 2048, and `b' is a 16.16 scaling factor. */
/* As this happens mainly when scaling from notional units to */
/* fractional pixels in FreeType, it resulted in noticeable speed */
/* improvements between versions 2.x and 1.x. */
/* */
/* As a conclusion, always try to place a 16.16 factor as the */
/* _second_ argument of this function; this can make a great */
/* difference. */
/* */
SW_FT_Long
SW_FT_MulFix( SW_FT_Long a,
SW_FT_Long b );
/*************************************************************************/
/* */
/* <Function> */
/* SW_FT_MulDiv */
/* */
/* <Description> */
/* A very simple function used to perform the computation `(a*b)/c' */
/* with maximum accuracy (it uses a 64-bit intermediate integer */
/* whenever necessary). */
/* */
/* This function isn't necessarily as fast as some processor specific */
/* operations, but is at least completely portable. */
/* */
/* <Input> */
/* a :: The first multiplier. */
/* b :: The second multiplier. */
/* c :: The divisor. */
/* */
/* <Return> */
/* The result of `(a*b)/c'. This function never traps when trying to */
/* divide by zero; it simply returns `MaxInt' or `MinInt' depending */
/* on the signs of `a' and `b'. */
/* */
SW_FT_Long
SW_FT_MulDiv( SW_FT_Long a,
SW_FT_Long b,
SW_FT_Long c );
/*************************************************************************/
/* */
/* <Function> */
/* SW_FT_DivFix */
/* */
/* <Description> */
/* A very simple function used to perform the computation */
/* `(a*0x10000)/b' with maximum accuracy. Most of the time, this is */
/* used to divide a given value by a 16.16 fixed-point factor. */
/* */
/* <Input> */
/* a :: The numerator. */
/* b :: The denominator. Use a 16.16 factor here. */
/* */
/* <Return> */
/* The result of `(a*0x10000)/b'. */
/* */
SW_FT_Long
SW_FT_DivFix( SW_FT_Long a,
SW_FT_Long b );
/*************************************************************************/
/* */
/* <Section> */
/* computations */
/* */
/*************************************************************************/
/*************************************************************************
*
* @type:
* SW_FT_Angle
*
* @description:
* This type is used to model angle values in FreeType. Note that the
* angle is a 16.16 fixed-point value expressed in degrees.
*
*/
typedef SW_FT_Fixed SW_FT_Angle;
/*************************************************************************
*
* @macro:
* SW_FT_ANGLE_PI
*
* @description:
* The angle pi expressed in @SW_FT_Angle units.
*
*/
#define SW_FT_ANGLE_PI ( 180L << 16 )
/*************************************************************************
*
* @macro:
* SW_FT_ANGLE_2PI
*
* @description:
* The angle 2*pi expressed in @SW_FT_Angle units.
*
*/
#define SW_FT_ANGLE_2PI ( SW_FT_ANGLE_PI * 2 )
/*************************************************************************
*
* @macro:
* SW_FT_ANGLE_PI2
*
* @description:
* The angle pi/2 expressed in @SW_FT_Angle units.
*
*/
#define SW_FT_ANGLE_PI2 ( SW_FT_ANGLE_PI / 2 )
/*************************************************************************
*
* @macro:
* SW_FT_ANGLE_PI4
*
* @description:
* The angle pi/4 expressed in @SW_FT_Angle units.
*
*/
#define SW_FT_ANGLE_PI4 ( SW_FT_ANGLE_PI / 4 )
/*************************************************************************
*
* @function:
* SW_FT_Sin
*
* @description:
* Return the sinus of a given angle in fixed-point format.
*
* @input:
* angle ::
* The input angle.
*
* @return:
* The sinus value.
*
* @note:
* If you need both the sinus and cosinus for a given angle, use the
* function @SW_FT_Vector_Unit.
*
*/
SW_FT_Fixed
SW_FT_Sin( SW_FT_Angle angle );
/*************************************************************************
*
* @function:
* SW_FT_Cos
*
* @description:
* Return the cosinus of a given angle in fixed-point format.
*
* @input:
* angle ::
* The input angle.
*
* @return:
* The cosinus value.
*
* @note:
* If you need both the sinus and cosinus for a given angle, use the
* function @SW_FT_Vector_Unit.
*
*/
SW_FT_Fixed
SW_FT_Cos( SW_FT_Angle angle );
/*************************************************************************
*
* @function:
* SW_FT_Tan
*
* @description:
* Return the tangent of a given angle in fixed-point format.
*
* @input:
* angle ::
* The input angle.
*
* @return:
* The tangent value.
*
*/
SW_FT_Fixed
SW_FT_Tan( SW_FT_Angle angle );
/*************************************************************************
*
* @function:
* SW_FT_Atan2
*
* @description:
* Return the arc-tangent corresponding to a given vector (x,y) in
* the 2d plane.
*
* @input:
* x ::
* The horizontal vector coordinate.
*
* y ::
* The vertical vector coordinate.
*
* @return:
* The arc-tangent value (i.e. angle).
*
*/
SW_FT_Angle
SW_FT_Atan2( SW_FT_Fixed x,
SW_FT_Fixed y );
/*************************************************************************
*
* @function:
* SW_FT_Angle_Diff
*
* @description:
* Return the difference between two angles. The result is always
* constrained to the ]-PI..PI] interval.
*
* @input:
* angle1 ::
* First angle.
*
* angle2 ::
* Second angle.
*
* @return:
* Constrained value of `value2-value1'.
*
*/
SW_FT_Angle
SW_FT_Angle_Diff( SW_FT_Angle angle1,
SW_FT_Angle angle2 );
/*************************************************************************
*
* @function:
* SW_FT_Vector_Unit
*
* @description:
* Return the unit vector corresponding to a given angle. After the
* call, the value of `vec.x' will be `sin(angle)', and the value of
* `vec.y' will be `cos(angle)'.
*
* This function is useful to retrieve both the sinus and cosinus of a
* given angle quickly.
*
* @output:
* vec ::
* The address of target vector.
*
* @input:
* angle ::
* The input angle.
*
*/
void
SW_FT_Vector_Unit( SW_FT_Vector* vec,
SW_FT_Angle angle );
/*************************************************************************
*
* @function:
* SW_FT_Vector_Rotate
*
* @description:
* Rotate a vector by a given angle.
*
* @inout:
* vec ::
* The address of target vector.
*
* @input:
* angle ::
* The input angle.
*
*/
void
SW_FT_Vector_Rotate( SW_FT_Vector* vec,
SW_FT_Angle angle );
/*************************************************************************
*
* @function:
* SW_FT_Vector_Length
*
* @description:
* Return the length of a given vector.
*
* @input:
* vec ::
* The address of target vector.
*
* @return:
* The vector length, expressed in the same units that the original
* vector coordinates.
*
*/
SW_FT_Fixed
SW_FT_Vector_Length( SW_FT_Vector* vec );
/*************************************************************************
*
* @function:
* SW_FT_Vector_Polarize
*
* @description:
* Compute both the length and angle of a given vector.
*
* @input:
* vec ::
* The address of source vector.
*
* @output:
* length ::
* The vector length.
*
* angle ::
* The vector angle.
*
*/
void
SW_FT_Vector_Polarize( SW_FT_Vector* vec,
SW_FT_Fixed *length,
SW_FT_Angle *angle );
/*************************************************************************
*
* @function:
* SW_FT_Vector_From_Polar
*
* @description:
* Compute vector coordinates from a length and angle.
*
* @output:
* vec ::
* The address of source vector.
*
* @input:
* length ::
* The vector length.
*
* angle ::
* The vector angle.
*
*/
void
SW_FT_Vector_From_Polar( SW_FT_Vector* vec,
SW_FT_Fixed length,
SW_FT_Angle angle );
#endif // V_FT_MATH_H

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#ifndef V_FT_IMG_H
#define V_FT_IMG_H
/***************************************************************************/
/* */
/* ftimage.h */
/* */
/* FreeType glyph image formats and default raster interface */
/* (specification). */
/* */
/* Copyright 1996-2010, 2013 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
/*************************************************************************/
/* */
/* Note: A `raster' is simply a scan-line converter, used to render */
/* SW_FT_Outlines into SW_FT_Bitmaps. */
/* */
/*************************************************************************/
#include "vector_freetype_v_ft_types.h"
/*************************************************************************/
/* */
/* <Struct> */
/* FT_BBox */
/* */
/* <Description> */
/* A structure used to hold an outline's bounding box, i.e., the */
/* coordinates of its extrema in the horizontal and vertical */
/* directions. */
/* */
/* <Fields> */
/* xMin :: The horizontal minimum (left-most). */
/* */
/* yMin :: The vertical minimum (bottom-most). */
/* */
/* xMax :: The horizontal maximum (right-most). */
/* */
/* yMax :: The vertical maximum (top-most). */
/* */
/* <Note> */
/* The bounding box is specified with the coordinates of the lower */
/* left and the upper right corner. In PostScript, those values are */
/* often called (llx,lly) and (urx,ury), respectively. */
/* */
/* If `yMin' is negative, this value gives the glyph's descender. */
/* Otherwise, the glyph doesn't descend below the baseline. */
/* Similarly, if `ymax' is positive, this value gives the glyph's */
/* ascender. */
/* */
/* `xMin' gives the horizontal distance from the glyph's origin to */
/* the left edge of the glyph's bounding box. If `xMin' is negative, */
/* the glyph extends to the left of the origin. */
/* */
typedef struct SW_FT_BBox_
{
SW_FT_Pos xMin, yMin;
SW_FT_Pos xMax, yMax;
} SW_FT_BBox;
/*************************************************************************/
/* */
/* <Struct> */
/* SW_FT_Outline */
/* */
/* <Description> */
/* This structure is used to describe an outline to the scan-line */
/* converter. */
/* */
/* <Fields> */
/* n_contours :: The number of contours in the outline. */
/* */
/* n_points :: The number of points in the outline. */
/* */
/* points :: A pointer to an array of `n_points' @SW_FT_Vector */
/* elements, giving the outline's point coordinates. */
/* */
/* tags :: A pointer to an array of `n_points' chars, giving */
/* each outline point's type. */
/* */
/* If bit~0 is unset, the point is `off' the curve, */
/* i.e., a Bézier control point, while it is `on' if */
/* set. */
/* */
/* Bit~1 is meaningful for `off' points only. If set, */
/* it indicates a third-order Bézier arc control point; */
/* and a second-order control point if unset. */
/* */
/* If bit~2 is set, bits 5-7 contain the drop-out mode */
/* (as defined in the OpenType specification; the value */
/* is the same as the argument to the SCANMODE */
/* instruction). */
/* */
/* Bits 3 and~4 are reserved for internal purposes. */
/* */
/* contours :: An array of `n_contours' shorts, giving the end */
/* point of each contour within the outline. For */
/* example, the first contour is defined by the points */
/* `0' to `contours[0]', the second one is defined by */
/* the points `contours[0]+1' to `contours[1]', etc. */
/* */
/* flags :: A set of bit flags used to characterize the outline */
/* and give hints to the scan-converter and hinter on */
/* how to convert/grid-fit it. See @SW_FT_OUTLINE_FLAGS.*/
/* */
typedef struct SW_FT_Outline_
{
short n_contours; /* number of contours in glyph */
short n_points; /* number of points in the glyph */
SW_FT_Vector* points; /* the outline's points */
char* tags; /* the points flags */
short* contours; /* the contour end points */
char* contours_flag; /* the contour open flags */
int flags; /* outline masks */
} SW_FT_Outline;
/*************************************************************************/
/* */
/* <Enum> */
/* SW_FT_OUTLINE_FLAGS */
/* */
/* <Description> */
/* A list of bit-field constants use for the flags in an outline's */
/* `flags' field. */
/* */
/* <Values> */
/* SW_FT_OUTLINE_NONE :: */
/* Value~0 is reserved. */
/* */
/* SW_FT_OUTLINE_OWNER :: */
/* If set, this flag indicates that the outline's field arrays */
/* (i.e., `points', `flags', and `contours') are `owned' by the */
/* outline object, and should thus be freed when it is destroyed. */
/* */
/* SW_FT_OUTLINE_EVEN_ODD_FILL :: */
/* By default, outlines are filled using the non-zero winding rule. */
/* If set to 1, the outline will be filled using the even-odd fill */
/* rule (only works with the smooth rasterizer). */
/* */
/* SW_FT_OUTLINE_REVERSE_FILL :: */
/* By default, outside contours of an outline are oriented in */
/* clock-wise direction, as defined in the TrueType specification. */
/* This flag is set if the outline uses the opposite direction */
/* (typically for Type~1 fonts). This flag is ignored by the scan */
/* converter. */
/* */
/* */
/* */
/* There exists a second mechanism to pass the drop-out mode to the */
/* B/W rasterizer; see the `tags' field in @SW_FT_Outline. */
/* */
/* Please refer to the description of the `SCANTYPE' instruction in */
/* the OpenType specification (in file `ttinst1.doc') how simple */
/* drop-outs, smart drop-outs, and stubs are defined. */
/* */
#define SW_FT_OUTLINE_NONE 0x0
#define SW_FT_OUTLINE_OWNER 0x1
#define SW_FT_OUTLINE_EVEN_ODD_FILL 0x2
#define SW_FT_OUTLINE_REVERSE_FILL 0x4
/* */
#define SW_FT_CURVE_TAG( flag ) ( flag & 3 )
#define SW_FT_CURVE_TAG_ON 1
#define SW_FT_CURVE_TAG_CONIC 0
#define SW_FT_CURVE_TAG_CUBIC 2
#define SW_FT_Curve_Tag_On SW_FT_CURVE_TAG_ON
#define SW_FT_Curve_Tag_Conic SW_FT_CURVE_TAG_CONIC
#define SW_FT_Curve_Tag_Cubic SW_FT_CURVE_TAG_CUBIC
/*************************************************************************/
/* */
/* A raster is a scan converter, in charge of rendering an outline into */
/* a a bitmap. This section contains the public API for rasters. */
/* */
/* Note that in FreeType 2, all rasters are now encapsulated within */
/* specific modules called `renderers'. See `ftrender.h' for more */
/* details on renderers. */
/* */
/*************************************************************************/
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Raster */
/* */
/* <Description> */
/* A handle (pointer) to a raster object. Each object can be used */
/* independently to convert an outline into a bitmap or pixmap. */
/* */
typedef struct SW_FT_RasterRec_* SW_FT_Raster;
/*************************************************************************/
/* */
/* <Struct> */
/* SW_FT_Span */
/* */
/* <Description> */
/* A structure used to model a single span of gray (or black) pixels */
/* when rendering a monochrome or anti-aliased bitmap. */
/* */
/* <Fields> */
/* x :: The span's horizontal start position. */
/* */
/* len :: The span's length in pixels. */
/* */
/* coverage :: The span color/coverage, ranging from 0 (background) */
/* to 255 (foreground). Only used for anti-aliased */
/* rendering. */
/* */
/* <Note> */
/* This structure is used by the span drawing callback type named */
/* @SW_FT_SpanFunc that takes the y~coordinate of the span as a */
/* parameter. */
/* */
/* The coverage value is always between 0 and 255. If you want less */
/* gray values, the callback function has to reduce them. */
/* */
typedef struct SW_FT_Span_
{
short x;
short y;
unsigned short len;
unsigned char coverage;
} SW_FT_Span;
/*************************************************************************/
/* */
/* <FuncType> */
/* SW_FT_SpanFunc */
/* */
/* <Description> */
/* A function used as a call-back by the anti-aliased renderer in */
/* order to let client applications draw themselves the gray pixel */
/* spans on each scan line. */
/* */
/* <Input> */
/* y :: The scanline's y~coordinate. */
/* */
/* count :: The number of spans to draw on this scanline. */
/* */
/* spans :: A table of `count' spans to draw on the scanline. */
/* */
/* user :: User-supplied data that is passed to the callback. */
/* */
/* <Note> */
/* This callback allows client applications to directly render the */
/* gray spans of the anti-aliased bitmap to any kind of surfaces. */
/* */
/* This can be used to write anti-aliased outlines directly to a */
/* given background bitmap, and even perform translucency. */
/* */
/* Note that the `count' field cannot be greater than a fixed value */
/* defined by the `SW_FT_MAX_GRAY_SPANS' configuration macro in */
/* `ftoption.h'. By default, this value is set to~32, which means */
/* that if there are more than 32~spans on a given scanline, the */
/* callback is called several times with the same `y' parameter in */
/* order to draw all callbacks. */
/* */
/* Otherwise, the callback is only called once per scan-line, and */
/* only for those scanlines that do have `gray' pixels on them. */
/* */
typedef void
(*SW_FT_SpanFunc)( int count,
const SW_FT_Span* spans,
void* user );
typedef void
(*SW_FT_BboxFunc)( int x, int y, int w, int h,
void* user);
#define SW_FT_Raster_Span_Func SW_FT_SpanFunc
/*************************************************************************/
/* */
/* <Enum> */
/* SW_FT_RASTER_FLAG_XXX */
/* */
/* <Description> */
/* A list of bit flag constants as used in the `flags' field of a */
/* @SW_FT_Raster_Params structure. */
/* */
/* <Values> */
/* SW_FT_RASTER_FLAG_DEFAULT :: This value is 0. */
/* */
/* SW_FT_RASTER_FLAG_AA :: This flag is set to indicate that an */
/* anti-aliased glyph image should be */
/* generated. Otherwise, it will be */
/* monochrome (1-bit). */
/* */
/* SW_FT_RASTER_FLAG_DIRECT :: This flag is set to indicate direct */
/* rendering. In this mode, client */
/* applications must provide their own span */
/* callback. This lets them directly */
/* draw or compose over an existing bitmap. */
/* If this bit is not set, the target */
/* pixmap's buffer _must_ be zeroed before */
/* rendering. */
/* */
/* Note that for now, direct rendering is */
/* only possible with anti-aliased glyphs. */
/* */
/* SW_FT_RASTER_FLAG_CLIP :: This flag is only used in direct */
/* rendering mode. If set, the output will */
/* be clipped to a box specified in the */
/* `clip_box' field of the */
/* @SW_FT_Raster_Params structure. */
/* */
/* Note that by default, the glyph bitmap */
/* is clipped to the target pixmap, except */
/* in direct rendering mode where all spans */
/* are generated if no clipping box is set. */
/* */
#define SW_FT_RASTER_FLAG_DEFAULT 0x0
#define SW_FT_RASTER_FLAG_AA 0x1
#define SW_FT_RASTER_FLAG_DIRECT 0x2
#define SW_FT_RASTER_FLAG_CLIP 0x4
/*************************************************************************/
/* */
/* <Struct> */
/* SW_FT_Raster_Params */
/* */
/* <Description> */
/* A structure to hold the arguments used by a raster's render */
/* function. */
/* */
/* <Fields> */
/* target :: The target bitmap. */
/* */
/* source :: A pointer to the source glyph image (e.g., an */
/* @SW_FT_Outline). */
/* */
/* flags :: The rendering flags. */
/* */
/* gray_spans :: The gray span drawing callback. */
/* */
/* black_spans :: The black span drawing callback. UNIMPLEMENTED! */
/* */
/* bit_test :: The bit test callback. UNIMPLEMENTED! */
/* */
/* bit_set :: The bit set callback. UNIMPLEMENTED! */
/* */
/* user :: User-supplied data that is passed to each drawing */
/* callback. */
/* */
/* clip_box :: An optional clipping box. It is only used in */
/* direct rendering mode. Note that coordinates here */
/* should be expressed in _integer_ pixels (and not in */
/* 26.6 fixed-point units). */
/* */
/* <Note> */
/* An anti-aliased glyph bitmap is drawn if the @SW_FT_RASTER_FLAG_AA */
/* bit flag is set in the `flags' field, otherwise a monochrome */
/* bitmap is generated. */
/* */
/* If the @SW_FT_RASTER_FLAG_DIRECT bit flag is set in `flags', the */
/* raster will call the `gray_spans' callback to draw gray pixel */
/* spans, in the case of an aa glyph bitmap, it will call */
/* `black_spans', and `bit_test' and `bit_set' in the case of a */
/* monochrome bitmap. This allows direct composition over a */
/* pre-existing bitmap through user-provided callbacks to perform the */
/* span drawing/composition. */
/* */
/* Note that the `bit_test' and `bit_set' callbacks are required when */
/* rendering a monochrome bitmap, as they are crucial to implement */
/* correct drop-out control as defined in the TrueType specification. */
/* */
typedef struct SW_FT_Raster_Params_
{
const void* source;
int flags;
SW_FT_SpanFunc gray_spans;
SW_FT_BboxFunc bbox_cb;
void* user;
SW_FT_BBox clip_box;
} SW_FT_Raster_Params;
/*************************************************************************/
/* */
/* <Function> */
/* SW_FT_Outline_Check */
/* */
/* <Description> */
/* Check the contents of an outline descriptor. */
/* */
/* <Input> */
/* outline :: A handle to a source outline. */
/* */
/* <Return> */
/* FreeType error code. 0~means success. */
/* */
SW_FT_Error
SW_FT_Outline_Check( SW_FT_Outline* outline );
/*************************************************************************/
/* */
/* <Function> */
/* SW_FT_Outline_Get_CBox */
/* */
/* <Description> */
/* Return an outline's `control box'. The control box encloses all */
/* the outline's points, including Bézier control points. Though it */
/* coincides with the exact bounding box for most glyphs, it can be */
/* slightly larger in some situations (like when rotating an outline */
/* that contains Bézier outside arcs). */
/* */
/* Computing the control box is very fast, while getting the bounding */
/* box can take much more time as it needs to walk over all segments */
/* and arcs in the outline. To get the latter, you can use the */
/* `ftbbox' component, which is dedicated to this single task. */
/* */
/* <Input> */
/* outline :: A pointer to the source outline descriptor. */
/* */
/* <Output> */
/* acbox :: The outline's control box. */
/* */
/* <Note> */
/* See @SW_FT_Glyph_Get_CBox for a discussion of tricky fonts. */
/* */
void
SW_FT_Outline_Get_CBox( const SW_FT_Outline* outline,
SW_FT_BBox *acbox );
/*************************************************************************/
/* */
/* <FuncType> */
/* SW_FT_Raster_NewFunc */
/* */
/* <Description> */
/* A function used to create a new raster object. */
/* */
/* <Input> */
/* memory :: A handle to the memory allocator. */
/* */
/* <Output> */
/* raster :: A handle to the new raster object. */
/* */
/* <Return> */
/* Error code. 0~means success. */
/* */
/* <Note> */
/* The `memory' parameter is a typeless pointer in order to avoid */
/* un-wanted dependencies on the rest of the FreeType code. In */
/* practice, it is an @SW_FT_Memory object, i.e., a handle to the */
/* standard FreeType memory allocator. However, this field can be */
/* completely ignored by a given raster implementation. */
/* */
typedef int
(*SW_FT_Raster_NewFunc)( SW_FT_Raster* raster );
#define SW_FT_Raster_New_Func SW_FT_Raster_NewFunc
/*************************************************************************/
/* */
/* <FuncType> */
/* SW_FT_Raster_DoneFunc */
/* */
/* <Description> */
/* A function used to destroy a given raster object. */
/* */
/* <Input> */
/* raster :: A handle to the raster object. */
/* */
typedef void
(*SW_FT_Raster_DoneFunc)( SW_FT_Raster raster );
#define SW_FT_Raster_Done_Func SW_FT_Raster_DoneFunc
/*************************************************************************/
/* */
/* <FuncType> */
/* SW_FT_Raster_ResetFunc */
/* */
/* <Description> */
/* FreeType provides an area of memory called the `render pool', */
/* available to all registered rasters. This pool can be freely used */
/* during a given scan-conversion but is shared by all rasters. Its */
/* content is thus transient. */
/* */
/* This function is called each time the render pool changes, or just */
/* after a new raster object is created. */
/* */
/* <Input> */
/* raster :: A handle to the new raster object. */
/* */
/* pool_base :: The address in memory of the render pool. */
/* */
/* pool_size :: The size in bytes of the render pool. */
/* */
/* <Note> */
/* Rasters can ignore the render pool and rely on dynamic memory */
/* allocation if they want to (a handle to the memory allocator is */
/* passed to the raster constructor). However, this is not */
/* recommended for efficiency purposes. */
/* */
typedef void
(*SW_FT_Raster_ResetFunc)( SW_FT_Raster raster,
unsigned char* pool_base,
unsigned long pool_size );
#define SW_FT_Raster_Reset_Func SW_FT_Raster_ResetFunc
/*************************************************************************/
/* */
/* <FuncType> */
/* SW_FT_Raster_RenderFunc */
/* */
/* <Description> */
/* Invoke a given raster to scan-convert a given glyph image into a */
/* target bitmap. */
/* */
/* <Input> */
/* raster :: A handle to the raster object. */
/* */
/* params :: A pointer to an @SW_FT_Raster_Params structure used to */
/* store the rendering parameters. */
/* */
/* <Return> */
/* Error code. 0~means success. */
/* */
/* <Note> */
/* The exact format of the source image depends on the raster's glyph */
/* format defined in its @SW_FT_Raster_Funcs structure. It can be an */
/* @SW_FT_Outline or anything else in order to support a large array of */
/* glyph formats. */
/* */
/* Note also that the render function can fail and return a */
/* `SW_FT_Err_Unimplemented_Feature' error code if the raster used does */
/* not support direct composition. */
/* */
/* XXX: For now, the standard raster doesn't support direct */
/* composition but this should change for the final release (see */
/* the files `demos/src/ftgrays.c' and `demos/src/ftgrays2.c' */
/* for examples of distinct implementations that support direct */
/* composition). */
/* */
typedef int
(*SW_FT_Raster_RenderFunc)( SW_FT_Raster raster,
const SW_FT_Raster_Params* params );
#define SW_FT_Raster_Render_Func SW_FT_Raster_RenderFunc
/*************************************************************************/
/* */
/* <Struct> */
/* SW_FT_Raster_Funcs */
/* */
/* <Description> */
/* A structure used to describe a given raster class to the library. */
/* */
/* <Fields> */
/* glyph_format :: The supported glyph format for this raster. */
/* */
/* raster_new :: The raster constructor. */
/* */
/* raster_reset :: Used to reset the render pool within the raster. */
/* */
/* raster_render :: A function to render a glyph into a given bitmap. */
/* */
/* raster_done :: The raster destructor. */
/* */
typedef struct SW_FT_Raster_Funcs_
{
SW_FT_Raster_NewFunc raster_new;
SW_FT_Raster_ResetFunc raster_reset;
SW_FT_Raster_RenderFunc raster_render;
SW_FT_Raster_DoneFunc raster_done;
} SW_FT_Raster_Funcs;
extern const SW_FT_Raster_Funcs sw_ft_grays_raster;
#endif // V_FT_IMG_H

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#ifndef V_FT_STROKER_H
#define V_FT_STROKER_H
/***************************************************************************/
/* */
/* ftstroke.h */
/* */
/* FreeType path stroker (specification). */
/* */
/* Copyright 2002-2006, 2008, 2009, 2011-2012 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#include "vector_freetype_v_ft_raster.h"
/**************************************************************
*
* @type:
* SW_FT_Stroker
*
* @description:
* Opaque handler to a path stroker object.
*/
typedef struct SW_FT_StrokerRec_* SW_FT_Stroker;
/**************************************************************
*
* @enum:
* SW_FT_Stroker_LineJoin
*
* @description:
* These values determine how two joining lines are rendered
* in a stroker.
*
* @values:
* SW_FT_STROKER_LINEJOIN_ROUND ::
* Used to render rounded line joins. Circular arcs are used
* to join two lines smoothly.
*
* SW_FT_STROKER_LINEJOIN_BEVEL ::
* Used to render beveled line joins. The outer corner of
* the joined lines is filled by enclosing the triangular
* region of the corner with a straight line between the
* outer corners of each stroke.
*
* SW_FT_STROKER_LINEJOIN_MITER_FIXED ::
* Used to render mitered line joins, with fixed bevels if the
* miter limit is exceeded. The outer edges of the strokes
* for the two segments are extended until they meet at an
* angle. If the segments meet at too sharp an angle (such
* that the miter would extend from the intersection of the
* segments a distance greater than the product of the miter
* limit value and the border radius), then a bevel join (see
* above) is used instead. This prevents long spikes being
* created. SW_FT_STROKER_LINEJOIN_MITER_FIXED generates a miter
* line join as used in PostScript and PDF.
*
* SW_FT_STROKER_LINEJOIN_MITER_VARIABLE ::
* SW_FT_STROKER_LINEJOIN_MITER ::
* Used to render mitered line joins, with variable bevels if
* the miter limit is exceeded. The intersection of the
* strokes is clipped at a line perpendicular to the bisector
* of the angle between the strokes, at the distance from the
* intersection of the segments equal to the product of the
* miter limit value and the border radius. This prevents
* long spikes being created.
* SW_FT_STROKER_LINEJOIN_MITER_VARIABLE generates a mitered line
* join as used in XPS. SW_FT_STROKER_LINEJOIN_MITER is an alias
* for SW_FT_STROKER_LINEJOIN_MITER_VARIABLE, retained for
* backwards compatibility.
*/
typedef enum SW_FT_Stroker_LineJoin_
{
SW_FT_STROKER_LINEJOIN_ROUND = 0,
SW_FT_STROKER_LINEJOIN_BEVEL = 1,
SW_FT_STROKER_LINEJOIN_MITER_VARIABLE = 2,
SW_FT_STROKER_LINEJOIN_MITER = SW_FT_STROKER_LINEJOIN_MITER_VARIABLE,
SW_FT_STROKER_LINEJOIN_MITER_FIXED = 3
} SW_FT_Stroker_LineJoin;
/**************************************************************
*
* @enum:
* SW_FT_Stroker_LineCap
*
* @description:
* These values determine how the end of opened sub-paths are
* rendered in a stroke.
*
* @values:
* SW_FT_STROKER_LINECAP_BUTT ::
* The end of lines is rendered as a full stop on the last
* point itself.
*
* SW_FT_STROKER_LINECAP_ROUND ::
* The end of lines is rendered as a half-circle around the
* last point.
*
* SW_FT_STROKER_LINECAP_SQUARE ::
* The end of lines is rendered as a square around the
* last point.
*/
typedef enum SW_FT_Stroker_LineCap_
{
SW_FT_STROKER_LINECAP_BUTT = 0,
SW_FT_STROKER_LINECAP_ROUND,
SW_FT_STROKER_LINECAP_SQUARE
} SW_FT_Stroker_LineCap;
/**************************************************************
*
* @enum:
* SW_FT_StrokerBorder
*
* @description:
* These values are used to select a given stroke border
* in @SW_FT_Stroker_GetBorderCounts and @SW_FT_Stroker_ExportBorder.
*
* @values:
* SW_FT_STROKER_BORDER_LEFT ::
* Select the left border, relative to the drawing direction.
*
* SW_FT_STROKER_BORDER_RIGHT ::
* Select the right border, relative to the drawing direction.
*
* @note:
* Applications are generally interested in the `inside' and `outside'
* borders. However, there is no direct mapping between these and the
* `left' and `right' ones, since this really depends on the glyph's
* drawing orientation, which varies between font formats.
*
* You can however use @SW_FT_Outline_GetInsideBorder and
* @SW_FT_Outline_GetOutsideBorder to get these.
*/
typedef enum SW_FT_StrokerBorder_
{
SW_FT_STROKER_BORDER_LEFT = 0,
SW_FT_STROKER_BORDER_RIGHT
} SW_FT_StrokerBorder;
/**************************************************************
*
* @function:
* SW_FT_Stroker_New
*
* @description:
* Create a new stroker object.
*
* @input:
* library ::
* FreeType library handle.
*
* @output:
* astroker ::
* A new stroker object handle. NULL in case of error.
*
* @return:
* FreeType error code. 0~means success.
*/
SW_FT_Error
SW_FT_Stroker_New( SW_FT_Stroker *astroker );
/**************************************************************
*
* @function:
* SW_FT_Stroker_Set
*
* @description:
* Reset a stroker object's attributes.
*
* @input:
* stroker ::
* The target stroker handle.
*
* radius ::
* The border radius.
*
* line_cap ::
* The line cap style.
*
* line_join ::
* The line join style.
*
* miter_limit ::
* The miter limit for the SW_FT_STROKER_LINEJOIN_MITER_FIXED and
* SW_FT_STROKER_LINEJOIN_MITER_VARIABLE line join styles,
* expressed as 16.16 fixed-point value.
*
* @note:
* The radius is expressed in the same units as the outline
* coordinates.
*/
void
SW_FT_Stroker_Set( SW_FT_Stroker stroker,
SW_FT_Fixed radius,
SW_FT_Stroker_LineCap line_cap,
SW_FT_Stroker_LineJoin line_join,
SW_FT_Fixed miter_limit );
/**************************************************************
*
* @function:
* SW_FT_Stroker_ParseOutline
*
* @description:
* A convenience function used to parse a whole outline with
* the stroker. The resulting outline(s) can be retrieved
* later by functions like @SW_FT_Stroker_GetCounts and @SW_FT_Stroker_Export.
*
* @input:
* stroker ::
* The target stroker handle.
*
* outline ::
* The source outline.
*
*
* @return:
* FreeType error code. 0~means success.
*
* @note:
* If `opened' is~0 (the default), the outline is treated as a closed
* path, and the stroker generates two distinct `border' outlines.
*
*
* This function calls @SW_FT_Stroker_Rewind automatically.
*/
SW_FT_Error
SW_FT_Stroker_ParseOutline( SW_FT_Stroker stroker,
const SW_FT_Outline* outline);
/**************************************************************
*
* @function:
* SW_FT_Stroker_GetCounts
*
* @description:
* Call this function once you have finished parsing your paths
* with the stroker. It returns the number of points and
* contours necessary to export all points/borders from the stroked
* outline/path.
*
* @input:
* stroker ::
* The target stroker handle.
*
* @output:
* anum_points ::
* The number of points.
*
* anum_contours ::
* The number of contours.
*
* @return:
* FreeType error code. 0~means success.
*/
SW_FT_Error
SW_FT_Stroker_GetCounts( SW_FT_Stroker stroker,
SW_FT_UInt *anum_points,
SW_FT_UInt *anum_contours );
/**************************************************************
*
* @function:
* SW_FT_Stroker_Export
*
* @description:
* Call this function after @SW_FT_Stroker_GetBorderCounts to
* export all borders to your own @SW_FT_Outline structure.
*
* Note that this function appends the border points and
* contours to your outline, but does not try to resize its
* arrays.
*
* @input:
* stroker ::
* The target stroker handle.
*
* outline ::
* The target outline handle.
*/
void
SW_FT_Stroker_Export( SW_FT_Stroker stroker,
SW_FT_Outline* outline );
/**************************************************************
*
* @function:
* SW_FT_Stroker_Done
*
* @description:
* Destroy a stroker object.
*
* @input:
* stroker ::
* A stroker handle. Can be NULL.
*/
void
SW_FT_Stroker_Done( SW_FT_Stroker stroker );
#endif // V_FT_STROKER_H

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#ifndef V_FT_TYPES_H
#define V_FT_TYPES_H
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Fixed */
/* */
/* <Description> */
/* This type is used to store 16.16 fixed-point values, like scaling */
/* values or matrix coefficients. */
/* */
typedef signed long SW_FT_Fixed;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Int */
/* */
/* <Description> */
/* A typedef for the int type. */
/* */
typedef signed int SW_FT_Int;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_UInt */
/* */
/* <Description> */
/* A typedef for the unsigned int type. */
/* */
typedef unsigned int SW_FT_UInt;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Long */
/* */
/* <Description> */
/* A typedef for signed long. */
/* */
typedef signed long SW_FT_Long;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_ULong */
/* */
/* <Description> */
/* A typedef for unsigned long. */
/* */
typedef unsigned long SW_FT_ULong;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Short */
/* */
/* <Description> */
/* A typedef for signed short. */
/* */
typedef signed short SW_FT_Short;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Byte */
/* */
/* <Description> */
/* A simple typedef for the _unsigned_ char type. */
/* */
typedef unsigned char SW_FT_Byte;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Bool */
/* */
/* <Description> */
/* A typedef of unsigned char, used for simple booleans. As usual, */
/* values 1 and~0 represent true and false, respectively. */
/* */
typedef unsigned char SW_FT_Bool;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Error */
/* */
/* <Description> */
/* The FreeType error code type. A value of~0 is always interpreted */
/* as a successful operation. */
/* */
typedef int SW_FT_Error;
/*************************************************************************/
/* */
/* <Type> */
/* SW_FT_Pos */
/* */
/* <Description> */
/* The type SW_FT_Pos is used to store vectorial coordinates. Depending */
/* on the context, these can represent distances in integer font */
/* units, or 16.16, or 26.6 fixed-point pixel coordinates. */
/* */
typedef signed long SW_FT_Pos;
/*************************************************************************/
/* */
/* <Struct> */
/* SW_FT_Vector */
/* */
/* <Description> */
/* A simple structure used to store a 2D vector; coordinates are of */
/* the SW_FT_Pos type. */
/* */
/* <Fields> */
/* x :: The horizontal coordinate. */
/* y :: The vertical coordinate. */
/* */
typedef struct SW_FT_Vector_
{
SW_FT_Pos x;
SW_FT_Pos y;
} SW_FT_Vector;
typedef long long int SW_FT_Int64;
typedef unsigned long long int SW_FT_UInt64;
typedef signed int SW_FT_Int32;
typedef unsigned int SW_FT_UInt32;
#define SW_FT_BOOL( x ) ( (SW_FT_Bool)( x ) )
#define SW_FT_SIZEOF_LONG 4
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#endif // V_FT_TYPES_H

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vendor/github.com/Benau/go_rlottie/vector_pixman_pixman-arm-neon-asm.S generated vendored Normal file
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#include "config.h"
#ifdef USE_ARM_NEON
/*
* Copyright © 2009 Nokia Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Author: Siarhei Siamashka (siarhei.siamashka@nokia.com)
*/
/*
* This file contains implementations of NEON optimized pixel processing
* functions. There is no full and detailed tutorial, but some functions
* (those which are exposing some new or interesting features) are
* extensively commented and can be used as examples.
*
* You may want to have a look at the comments for following functions:
* - pixman_composite_over_8888_0565_asm_neon
* - pixman_composite_over_n_8_0565_asm_neon
*/
/* Prevent the stack from becoming executable for no reason... */
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
.text
.fpu neon
.arch armv7a
.object_arch armv4
.eabi_attribute 10, 0 /* suppress Tag_FP_arch */
.eabi_attribute 12, 0 /* suppress Tag_Advanced_SIMD_arch */
.arm
.altmacro
.p2align 2
//#include "pixman-arm-asm.h"
/* Supplementary macro for setting function attributes */
.macro pixman_asm_function fname
.func fname
.global fname
#ifdef __ELF__
.hidden fname
.type fname, %function
#endif
fname:
.endm
//#include "pixman-private.h"
/*
* The defines which are shared between C and assembly code
*/
/* bilinear interpolation precision (must be < 8) */
#define BILINEAR_INTERPOLATION_BITS 7
#define BILINEAR_INTERPOLATION_RANGE (1 << BILINEAR_INTERPOLATION_BITS)
#include "vector_pixman_pixman-arm-neon-asm.h"
/* Global configuration options and preferences */
/*
* The code can optionally make use of unaligned memory accesses to improve
* performance of handling leading/trailing pixels for each scanline.
* Configuration variable RESPECT_STRICT_ALIGNMENT can be set to 0 for
* example in linux if unaligned memory accesses are not configured to
* generate.exceptions.
*/
.set RESPECT_STRICT_ALIGNMENT, 1
/*
* Set default prefetch type. There is a choice between the following options:
*
* PREFETCH_TYPE_NONE (may be useful for the ARM cores where PLD is set to work
* as NOP to workaround some HW bugs or for whatever other reason)
*
* PREFETCH_TYPE_SIMPLE (may be useful for simple single-issue ARM cores where
* advanced prefetch intruduces heavy overhead)
*
* PREFETCH_TYPE_ADVANCED (useful for superscalar cores such as ARM Cortex-A8
* which can run ARM and NEON instructions simultaneously so that extra ARM
* instructions do not add (many) extra cycles, but improve prefetch efficiency)
*
* Note: some types of function can't support advanced prefetch and fallback
* to simple one (those which handle 24bpp pixels)
*/
.set PREFETCH_TYPE_DEFAULT, PREFETCH_TYPE_ADVANCED
/* Prefetch distance in pixels for simple prefetch */
.set PREFETCH_DISTANCE_SIMPLE, 64
/*
* Implementation of pixman_composite_over_8888_0565_asm_neon
*
* This function takes a8r8g8b8 source buffer, r5g6b5 destination buffer and
* performs OVER compositing operation. Function fast_composite_over_8888_0565
* from pixman-fast-path.c does the same in C and can be used as a reference.
*
* First we need to have some NEON assembly code which can do the actual
* operation on the pixels and provide it to the template macro.
*
* Template macro quite conveniently takes care of emitting all the necessary
* code for memory reading and writing (including quite tricky cases of
* handling unaligned leading/trailing pixels), so we only need to deal with
* the data in NEON registers.
*
* NEON registers allocation in general is recommented to be the following:
* d0, d1, d2, d3 - contain loaded source pixel data
* d4, d5, d6, d7 - contain loaded destination pixels (if they are needed)
* d24, d25, d26, d27 - contain loading mask pixel data (if mask is used)
* d28, d29, d30, d31 - place for storing the result (destination pixels)
*
* As can be seen above, four 64-bit NEON registers are used for keeping
* intermediate pixel data and up to 8 pixels can be processed in one step
* for 32bpp formats (16 pixels for 16bpp, 32 pixels for 8bpp).
*
* This particular function uses the following registers allocation:
* d0, d1, d2, d3 - contain loaded source pixel data
* d4, d5 - contain loaded destination pixels (they are needed)
* d28, d29 - place for storing the result (destination pixels)
*/
/*
* Step one. We need to have some code to do some arithmetics on pixel data.
* This is implemented as a pair of macros: '*_head' and '*_tail'. When used
* back-to-back, they take pixel data from {d0, d1, d2, d3} and {d4, d5},
* perform all the needed calculations and write the result to {d28, d29}.
* The rationale for having two macros and not just one will be explained
* later. In practice, any single monolitic function which does the work can
* be split into two parts in any arbitrary way without affecting correctness.
*
* There is one special trick here too. Common template macro can optionally
* make our life a bit easier by doing R, G, B, A color components
* deinterleaving for 32bpp pixel formats (and this feature is used in
* 'pixman_composite_over_8888_0565_asm_neon' function). So it means that
* instead of having 8 packed pixels in {d0, d1, d2, d3} registers, we
* actually use d0 register for blue channel (a vector of eight 8-bit
* values), d1 register for green, d2 for red and d3 for alpha. This
* simple conversion can be also done with a few NEON instructions:
*
* Packed to planar conversion:
* vuzp.8 d0, d1
* vuzp.8 d2, d3
* vuzp.8 d1, d3
* vuzp.8 d0, d2
*
* Planar to packed conversion:
* vzip.8 d0, d2
* vzip.8 d1, d3
* vzip.8 d2, d3
* vzip.8 d0, d1
*
* But pixel can be loaded directly in planar format using VLD4.8 NEON
* instruction. It is 1 cycle slower than VLD1.32, so this is not always
* desirable, that's why deinterleaving is optional.
*
* But anyway, here is the code:
*/
/*
* OK, now we got almost everything that we need. Using the above two
* macros, the work can be done right. But now we want to optimize
* it a bit. ARM Cortex-A8 is an in-order core, and benefits really
* a lot from good code scheduling and software pipelining.
*
* Let's construct some code, which will run in the core main loop.
* Some pseudo-code of the main loop will look like this:
* head
* while (...) {
* tail
* head
* }
* tail
*
* It may look a bit weird, but this setup allows to hide instruction
* latencies better and also utilize dual-issue capability more
* efficiently (make pairs of load-store and ALU instructions).
*
* So what we need now is a '*_tail_head' macro, which will be used
* in the core main loop. A trivial straightforward implementation
* of this macro would look like this:
*
* pixman_composite_over_8888_0565_process_pixblock_tail
* vst1.16 {d28, d29}, [DST_W, :128]!
* vld1.16 {d4, d5}, [DST_R, :128]!
* vld4.32 {d0, d1, d2, d3}, [SRC]!
* pixman_composite_over_8888_0565_process_pixblock_head
* cache_preload 8, 8
*
* Now it also got some VLD/VST instructions. We simply can't move from
* processing one block of pixels to the other one with just arithmetics.
* The previously processed data needs to be written to memory and new
* data needs to be fetched. Fortunately, this main loop does not deal
* with partial leading/trailing pixels and can load/store a full block
* of pixels in a bulk. Additionally, destination buffer is already
* 16 bytes aligned here (which is good for performance).
*
* New things here are DST_R, DST_W, SRC and MASK identifiers. These
* are the aliases for ARM registers which are used as pointers for
* accessing data. We maintain separate pointers for reading and writing
* destination buffer (DST_R and DST_W).
*
* Another new thing is 'cache_preload' macro. It is used for prefetching
* data into CPU L2 cache and improve performance when dealing with large
* images which are far larger than cache size. It uses one argument
* (actually two, but they need to be the same here) - number of pixels
* in a block. Looking into 'pixman-arm-neon-asm.h' can provide some
* details about this macro. Moreover, if good performance is needed
* the code from this macro needs to be copied into '*_tail_head' macro
* and mixed with the rest of code for optimal instructions scheduling.
* We are actually doing it below.
*
* Now after all the explanations, here is the optimized code.
* Different instruction streams (originaling from '*_head', '*_tail'
* and 'cache_preload' macro) use different indentation levels for
* better readability. Actually taking the code from one of these
* indentation levels and ignoring a few VLD/VST instructions would
* result in exactly the code from '*_head', '*_tail' or 'cache_preload'
* macro!
*/
/*
* And now the final part. We are using 'generate_composite_function' macro
* to put all the stuff together. We are specifying the name of the function
* which we want to get, number of bits per pixel for the source, mask and
* destination (0 if unused, like mask in this case). Next come some bit
* flags:
* FLAG_DST_READWRITE - tells that the destination buffer is both read
* and written, for write-only buffer we would use
* FLAG_DST_WRITEONLY flag instead
* FLAG_DEINTERLEAVE_32BPP - tells that we prefer to work with planar data
* and separate color channels for 32bpp format.
* The next things are:
* - the number of pixels processed per iteration (8 in this case, because
* that's the maximum what can fit into four 64-bit NEON registers).
* - prefetch distance, measured in pixel blocks. In this case it is 5 times
* by 8 pixels. That would be 40 pixels, or up to 160 bytes. Optimal
* prefetch distance can be selected by running some benchmarks.
*
* After that we specify some macros, these are 'default_init',
* 'default_cleanup' here which are empty (but it is possible to have custom
* init/cleanup macros to be able to save/restore some extra NEON registers
* like d8-d15 or do anything else) followed by
* 'pixman_composite_over_8888_0565_process_pixblock_head',
* 'pixman_composite_over_8888_0565_process_pixblock_tail' and
* 'pixman_composite_over_8888_0565_process_pixblock_tail_head'
* which we got implemented above.
*
* The last part is the NEON registers allocation scheme.
*/
/******************************************************************************/
/******************************************************************************/
.macro pixman_composite_out_reverse_8888_8888_process_pixblock_head
vmvn.8 d24, d3 /* get inverted alpha */
/* do alpha blending */
vmull.u8 q8, d24, d4
vmull.u8 q9, d24, d5
vmull.u8 q10, d24, d6
vmull.u8 q11, d24, d7
.endm
.macro pixman_composite_out_reverse_8888_8888_process_pixblock_tail
vrshr.u16 q14, q8, #8
vrshr.u16 q15, q9, #8
vrshr.u16 q12, q10, #8
vrshr.u16 q13, q11, #8
vraddhn.u16 d28, q14, q8
vraddhn.u16 d29, q15, q9
vraddhn.u16 d30, q12, q10
vraddhn.u16 d31, q13, q11
.endm
/******************************************************************************/
.macro pixman_composite_over_8888_8888_process_pixblock_head
pixman_composite_out_reverse_8888_8888_process_pixblock_head
.endm
.macro pixman_composite_over_8888_8888_process_pixblock_tail
pixman_composite_out_reverse_8888_8888_process_pixblock_tail
vqadd.u8 q14, q0, q14
vqadd.u8 q15, q1, q15
.endm
.macro pixman_composite_over_8888_8888_process_pixblock_tail_head
vld4.8 {d4, d5, d6, d7}, [DST_R, :128]!
vrshr.u16 q14, q8, #8
PF add PF_X, PF_X, #8
PF tst PF_CTL, #0xF
vrshr.u16 q15, q9, #8
vrshr.u16 q12, q10, #8
vrshr.u16 q13, q11, #8
PF addne PF_X, PF_X, #8
PF subne PF_CTL, PF_CTL, #1
vraddhn.u16 d28, q14, q8
vraddhn.u16 d29, q15, q9
PF cmp PF_X, ORIG_W
vraddhn.u16 d30, q12, q10
vraddhn.u16 d31, q13, q11
vqadd.u8 q14, q0, q14
vqadd.u8 q15, q1, q15
fetch_src_pixblock
PF pld, [PF_SRC, PF_X, lsl #src_bpp_shift]
vmvn.8 d22, d3
PF pld, [PF_DST, PF_X, lsl #dst_bpp_shift]
vst4.8 {d28, d29, d30, d31}, [DST_W, :128]!
PF subge PF_X, PF_X, ORIG_W
vmull.u8 q8, d22, d4
PF subges PF_CTL, PF_CTL, #0x10
vmull.u8 q9, d22, d5
PF ldrgeb DUMMY, [PF_SRC, SRC_STRIDE, lsl #src_bpp_shift]!
vmull.u8 q10, d22, d6
PF ldrgeb DUMMY, [PF_DST, DST_STRIDE, lsl #dst_bpp_shift]!
vmull.u8 q11, d22, d7
.endm
generate_composite_function \
pixman_composite_over_8888_8888_asm_neon, 32, 0, 32, \
FLAG_DST_READWRITE | FLAG_DEINTERLEAVE_32BPP, \
8, /* number of pixels, processed in a single block */ \
5, /* prefetch distance */ \
default_init, \
default_cleanup, \
pixman_composite_over_8888_8888_process_pixblock_head, \
pixman_composite_over_8888_8888_process_pixblock_tail, \
pixman_composite_over_8888_8888_process_pixblock_tail_head
generate_composite_function_single_scanline \
pixman_composite_scanline_over_asm_neon, 32, 0, 32, \
FLAG_DST_READWRITE | FLAG_DEINTERLEAVE_32BPP, \
8, /* number of pixels, processed in a single block */ \
default_init, \
default_cleanup, \
pixman_composite_over_8888_8888_process_pixblock_head, \
pixman_composite_over_8888_8888_process_pixblock_tail, \
pixman_composite_over_8888_8888_process_pixblock_tail_head
/******************************************************************************/
.macro pixman_composite_over_n_8888_process_pixblock_head
/* deinterleaved source pixels in {d0, d1, d2, d3} */
/* inverted alpha in {d24} */
/* destination pixels in {d4, d5, d6, d7} */
vmull.u8 q8, d24, d4
vmull.u8 q9, d24, d5
vmull.u8 q10, d24, d6
vmull.u8 q11, d24, d7
.endm
.macro pixman_composite_over_n_8888_process_pixblock_tail
vrshr.u16 q14, q8, #8
vrshr.u16 q15, q9, #8
vrshr.u16 q2, q10, #8
vrshr.u16 q3, q11, #8
vraddhn.u16 d28, q14, q8
vraddhn.u16 d29, q15, q9
vraddhn.u16 d30, q2, q10
vraddhn.u16 d31, q3, q11
vqadd.u8 q14, q0, q14
vqadd.u8 q15, q1, q15
.endm
.macro pixman_composite_over_n_8888_process_pixblock_tail_head
vrshr.u16 q14, q8, #8
vrshr.u16 q15, q9, #8
vrshr.u16 q2, q10, #8
vrshr.u16 q3, q11, #8
vraddhn.u16 d28, q14, q8
vraddhn.u16 d29, q15, q9
vraddhn.u16 d30, q2, q10
vraddhn.u16 d31, q3, q11
vld4.8 {d4, d5, d6, d7}, [DST_R, :128]!
vqadd.u8 q14, q0, q14
PF add PF_X, PF_X, #8
PF tst PF_CTL, #0x0F
PF addne PF_X, PF_X, #8
PF subne PF_CTL, PF_CTL, #1
vqadd.u8 q15, q1, q15
PF cmp PF_X, ORIG_W
vmull.u8 q8, d24, d4
PF pld, [PF_DST, PF_X, lsl #dst_bpp_shift]
vmull.u8 q9, d24, d5
PF subge PF_X, PF_X, ORIG_W
vmull.u8 q10, d24, d6
PF subges PF_CTL, PF_CTL, #0x10
vmull.u8 q11, d24, d7
PF ldrgeb DUMMY, [PF_DST, DST_STRIDE, lsl #dst_bpp_shift]!
vst4.8 {d28, d29, d30, d31}, [DST_W, :128]!
.endm
.macro pixman_composite_over_n_8888_init
add DUMMY, sp, #ARGS_STACK_OFFSET
vld1.32 {d3[0]}, [DUMMY]
vdup.8 d0, d3[0]
vdup.8 d1, d3[1]
vdup.8 d2, d3[2]
vdup.8 d3, d3[3]
vmvn.8 d24, d3 /* get inverted alpha */
.endm
generate_composite_function \
pixman_composite_over_n_8888_asm_neon, 0, 0, 32, \
FLAG_DST_READWRITE | FLAG_DEINTERLEAVE_32BPP, \
8, /* number of pixels, processed in a single block */ \
5, /* prefetch distance */ \
pixman_composite_over_n_8888_init, \
default_cleanup, \
pixman_composite_over_8888_8888_process_pixblock_head, \
pixman_composite_over_8888_8888_process_pixblock_tail, \
pixman_composite_over_n_8888_process_pixblock_tail_head
/******************************************************************************/
.macro pixman_composite_src_n_8888_process_pixblock_head
.endm
.macro pixman_composite_src_n_8888_process_pixblock_tail
.endm
.macro pixman_composite_src_n_8888_process_pixblock_tail_head
vst1.32 {d0, d1, d2, d3}, [DST_W, :128]!
.endm
.macro pixman_composite_src_n_8888_init
add DUMMY, sp, #ARGS_STACK_OFFSET
vld1.32 {d0[0]}, [DUMMY]
vsli.u64 d0, d0, #32
vorr d1, d0, d0
vorr q1, q0, q0
.endm
.macro pixman_composite_src_n_8888_cleanup
.endm
generate_composite_function \
pixman_composite_src_n_8888_asm_neon, 0, 0, 32, \
FLAG_DST_WRITEONLY, \
8, /* number of pixels, processed in a single block */ \
0, /* prefetch distance */ \
pixman_composite_src_n_8888_init, \
pixman_composite_src_n_8888_cleanup, \
pixman_composite_src_n_8888_process_pixblock_head, \
pixman_composite_src_n_8888_process_pixblock_tail, \
pixman_composite_src_n_8888_process_pixblock_tail_head, \
0, /* dst_w_basereg */ \
0, /* dst_r_basereg */ \
0, /* src_basereg */ \
0 /* mask_basereg */
/******************************************************************************/
.macro pixman_composite_src_8888_8888_process_pixblock_head
.endm
.macro pixman_composite_src_8888_8888_process_pixblock_tail
.endm
.macro pixman_composite_src_8888_8888_process_pixblock_tail_head
vst1.32 {d0, d1, d2, d3}, [DST_W, :128]!
fetch_src_pixblock
cache_preload 8, 8
.endm
generate_composite_function \
pixman_composite_src_8888_8888_asm_neon, 32, 0, 32, \
FLAG_DST_WRITEONLY, \
8, /* number of pixels, processed in a single block */ \
10, /* prefetch distance */ \
default_init, \
default_cleanup, \
pixman_composite_src_8888_8888_process_pixblock_head, \
pixman_composite_src_8888_8888_process_pixblock_tail, \
pixman_composite_src_8888_8888_process_pixblock_tail_head, \
0, /* dst_w_basereg */ \
0, /* dst_r_basereg */ \
0, /* src_basereg */ \
0 /* mask_basereg */
/******************************************************************************/
#endif

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vendor/github.com/Benau/go_rlottie/vector_stb_stb_image.cpp generated vendored Normal file
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/*
* configure stb_image about
* the image we will support
*/
#define STB_IMAGE_IMPLEMENTATION
#define STBI_ONLY_JPEG
#define STBI_ONLY_PNG
#define STBI_NO_HDR
#define STBI_NO_LINEAR
#define STBI_NO_GIF
#define STBI_NO_PIC
#include "vector_stb_stb_image.h"
#if defined _WIN32 || defined __CYGWIN__
#ifdef RLOTTIE_BUILD
#define RLOTTIE_API __declspec(dllexport)
#else
#define RLOTTIE_API __declspec(dllimport)
#endif
#else
#ifdef RLOTTIE_BUILD
#define RLOTTIE_API __attribute__ ((visibility ("default")))
#else
#define RLOTTIE_API
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* exported function wrapper from the library
*/
RLOTTIE_API unsigned char *lottie_image_load(char const *filename, int *x,
int *y, int *comp, int req_comp)
{
return stbi_load(filename, x, y, comp, req_comp);
}
RLOTTIE_API unsigned char *lottie_image_load_from_data(const char *imageData,
int len, int *x, int *y,
int *comp, int req_comp)
{
unsigned char *data = (unsigned char *)imageData;
return stbi_load_from_memory(data, len, x, y, comp, req_comp);
}
RLOTTIE_API void lottie_image_free(unsigned char *data)
{
stbi_image_free(data);
}
#ifdef __cplusplus
}
#endif

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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "vector_varenaalloc.h"
#include <algorithm>
#include <new>
static char* end_chain(char*) { return nullptr; }
static uint32_t first_allocated_block(uint32_t blockSize, uint32_t firstHeapAllocation) {
return firstHeapAllocation > 0 ? firstHeapAllocation :
blockSize > 0 ? blockSize : 1024;
}
VArenaAlloc::VArenaAlloc(char* block, size_t size, size_t firstHeapAllocation)
: fDtorCursor {block}
, fCursor {block}
, fEnd {block + ToU32(size)}
, fFirstBlock {block}
, fFirstSize {ToU32(size)}
, fFirstHeapAllocationSize {first_allocated_block(ToU32(size), ToU32(firstHeapAllocation))}
{
if (size < sizeof(Footer)) {
fEnd = fCursor = fDtorCursor = nullptr;
}
if (fCursor != nullptr) {
this->installFooter(end_chain, 0);
}
}
VArenaAlloc::~VArenaAlloc() {
RunDtorsOnBlock(fDtorCursor);
}
void VArenaAlloc::reset() {
this->~VArenaAlloc();
new (this) VArenaAlloc{fFirstBlock, fFirstSize, fFirstHeapAllocationSize};
}
void VArenaAlloc::installFooter(FooterAction* action, uint32_t padding) {
assert(padding < 64);
int64_t actionInt = (int64_t)(intptr_t)action;
// The top 14 bits should be either all 0s or all 1s. Check this.
assert((actionInt << 6) >> 6 == actionInt);
Footer encodedFooter = (actionInt << 6) | padding;
memmove(fCursor, &encodedFooter, sizeof(Footer));
fCursor += sizeof(Footer);
fDtorCursor = fCursor;
}
void VArenaAlloc::installPtrFooter(FooterAction* action, char* ptr, uint32_t padding) {
memmove(fCursor, &ptr, sizeof(char*));
fCursor += sizeof(char*);
this->installFooter(action, padding);
}
char* VArenaAlloc::SkipPod(char* footerEnd) {
char* objEnd = footerEnd - (sizeof(Footer) + sizeof(int32_t));
int32_t skip;
memmove(&skip, objEnd, sizeof(int32_t));
return objEnd - skip;
}
void VArenaAlloc::RunDtorsOnBlock(char* footerEnd) {
while (footerEnd != nullptr) {
Footer footer;
memcpy(&footer, footerEnd - sizeof(Footer), sizeof(Footer));
FooterAction* action = (FooterAction*)(footer >> 6);
ptrdiff_t padding = footer & 63;
footerEnd = action(footerEnd) - padding;
}
}
char* VArenaAlloc::NextBlock(char* footerEnd) {
char* objEnd = footerEnd - (sizeof(Footer) + sizeof(char*));
char* next;
memmove(&next, objEnd, sizeof(char*));
RunDtorsOnBlock(next);
delete [] objEnd;
return nullptr;
}
void VArenaAlloc::installUint32Footer(FooterAction* action, uint32_t value, uint32_t padding) {
memmove(fCursor, &value, sizeof(uint32_t));
fCursor += sizeof(uint32_t);
this->installFooter(action, padding);
}
void VArenaAlloc::ensureSpace(uint32_t size, uint32_t alignment) {
constexpr uint32_t headerSize = sizeof(Footer) + sizeof(ptrdiff_t);
// The chrome c++ library we use does not define std::max_align_t.
// This must be conservative to add the right amount of extra memory to handle the alignment
// padding.
constexpr uint32_t alignof_max_align_t = 8;
constexpr uint32_t maxSize = std::numeric_limits<uint32_t>::max();
constexpr uint32_t overhead = headerSize + sizeof(Footer);
AssertRelease(size <= maxSize - overhead);
uint32_t objSizeAndOverhead = size + overhead;
if (alignment > alignof_max_align_t) {
uint32_t alignmentOverhead = alignment - 1;
AssertRelease(objSizeAndOverhead <= maxSize - alignmentOverhead);
objSizeAndOverhead += alignmentOverhead;
}
uint32_t minAllocationSize;
if (fFirstHeapAllocationSize <= maxSize / fFib0) {
minAllocationSize = fFirstHeapAllocationSize * fFib0;
fFib0 += fFib1;
std::swap(fFib0, fFib1);
} else {
minAllocationSize = maxSize;
}
uint32_t allocationSize = std::max(objSizeAndOverhead, minAllocationSize);
// Round up to a nice size. If > 32K align to 4K boundary else up to max_align_t. The > 32K
// heuristic is from the JEMalloc behavior.
{
uint32_t mask = allocationSize > (1 << 15) ? (1 << 12) - 1 : 16 - 1;
AssertRelease(allocationSize <= maxSize - mask);
allocationSize = (allocationSize + mask) & ~mask;
}
char* newBlock = new char[allocationSize];
auto previousDtor = fDtorCursor;
fCursor = newBlock;
fDtorCursor = newBlock;
fEnd = fCursor + allocationSize;
this->installPtrFooter(NextBlock, previousDtor, 0);
}
char* VArenaAlloc::allocObjectWithFooter(uint32_t sizeIncludingFooter, uint32_t alignment) {
uintptr_t mask = alignment - 1;
restart:
uint32_t skipOverhead = 0;
bool needsSkipFooter = fCursor != fDtorCursor;
if (needsSkipFooter) {
skipOverhead = sizeof(Footer) + sizeof(uint32_t);
}
char* objStart = (char*)((uintptr_t)(fCursor + skipOverhead + mask) & ~mask);
uint32_t totalSize = sizeIncludingFooter + skipOverhead;
//std::cout<<"non POD object size = "<<totalSize<<"\n";
if ((ptrdiff_t)totalSize > fEnd - objStart) {
this->ensureSpace(totalSize, alignment);
goto restart;
}
AssertRelease((ptrdiff_t)totalSize <= fEnd - objStart);
// Install a skip footer if needed, thus terminating a run of POD data. The calling code is
// responsible for installing the footer after the object.
if (needsSkipFooter) {
this->installUint32Footer(SkipPod, ToU32(fCursor - fDtorCursor), 0);
}
return objStart;
}

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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef VARENAALLOC_H
#define VARENAALLOC_H
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include <limits>
#include <new>
#include <type_traits>
#include <utility>
#include <vector>
// SkArenaAlloc allocates object and destroys the allocated objects when destroyed. It's designed
// to minimize the number of underlying block allocations. SkArenaAlloc allocates first out of an
// (optional) user-provided block of memory, and when that's exhausted it allocates on the heap,
// starting with an allocation of firstHeapAllocation bytes. If your data (plus a small overhead)
// fits in the user-provided block, SkArenaAlloc never uses the heap, and if it fits in
// firstHeapAllocation bytes, it'll use the heap only once. If 0 is specified for
// firstHeapAllocation, then blockSize is used unless that too is 0, then 1024 is used.
//
// Examples:
//
// char block[mostCasesSize];
// SkArenaAlloc arena(block, mostCasesSize);
//
// If mostCasesSize is too large for the stack, you can use the following pattern.
//
// std::unique_ptr<char[]> block{new char[mostCasesSize]};
// SkArenaAlloc arena(block.get(), mostCasesSize, almostAllCasesSize);
//
// If the program only sometimes allocates memory, use the following pattern.
//
// SkArenaAlloc arena(nullptr, 0, almostAllCasesSize);
//
// The storage does not necessarily need to be on the stack. Embedding the storage in a class also
// works.
//
// class Foo {
// char storage[mostCasesSize];
// SkArenaAlloc arena (storage, mostCasesSize);
// };
//
// In addition, the system is optimized to handle POD data including arrays of PODs (where
// POD is really data with no destructors). For POD data it has zero overhead per item, and a
// typical per block overhead of 8 bytes. For non-POD objects there is a per item overhead of 4
// bytes. For arrays of non-POD objects there is a per array overhead of typically 8 bytes. There
// is an addition overhead when switching from POD data to non-POD data of typically 8 bytes.
//
// If additional blocks are needed they are increased exponentially. This strategy bounds the
// recursion of the RunDtorsOnBlock to be limited to O(log size-of-memory). Block size grow using
// the Fibonacci sequence which means that for 2^32 memory there are 48 allocations, and for 2^48
// there are 71 allocations.
class VArenaAlloc {
public:
VArenaAlloc(char* block, size_t blockSize, size_t firstHeapAllocation);
explicit VArenaAlloc(size_t firstHeapAllocation)
: VArenaAlloc(nullptr, 0, firstHeapAllocation)
{}
~VArenaAlloc();
template <typename T, typename... Args>
T* make(Args&&... args) {
uint32_t size = ToU32(sizeof(T));
uint32_t alignment = ToU32(alignof(T));
char* objStart;
if (std::is_trivially_destructible<T>::value) {
objStart = this->allocObject(size, alignment);
fCursor = objStart + size;
} else {
objStart = this->allocObjectWithFooter(size + sizeof(Footer), alignment);
// Can never be UB because max value is alignof(T).
uint32_t padding = ToU32(objStart - fCursor);
// Advance to end of object to install footer.
fCursor = objStart + size;
FooterAction* releaser = [](char* objEnd) {
char* objStart = objEnd - (sizeof(T) + sizeof(Footer));
((T*)objStart)->~T();
return objStart;
};
this->installFooter(releaser, padding);
}
// This must be last to make objects with nested use of this allocator work.
return new(objStart) T(std::forward<Args>(args)...);
}
template <typename T>
T* makeArrayDefault(size_t count) {
uint32_t safeCount = ToU32(count);
T* array = (T*)this->commonArrayAlloc<T>(safeCount);
// If T is primitive then no initialization takes place.
for (size_t i = 0; i < safeCount; i++) {
new (&array[i]) T;
}
return array;
}
template <typename T>
T* makeArray(size_t count) {
uint32_t safeCount = ToU32(count);
T* array = (T*)this->commonArrayAlloc<T>(safeCount);
// If T is primitive then the memory is initialized. For example, an array of chars will
// be zeroed.
for (size_t i = 0; i < safeCount; i++) {
new (&array[i]) T();
}
return array;
}
// Only use makeBytesAlignedTo if none of the typed variants are impractical to use.
void* makeBytesAlignedTo(size_t size, size_t align) {
auto objStart = this->allocObject(ToU32(size), ToU32(align));
fCursor = objStart + size;
return objStart;
}
// Destroy all allocated objects, free any heap allocations.
void reset();
private:
static void AssertRelease(bool cond) { if (!cond) { ::abort(); } }
static uint32_t ToU32(size_t v) {
return (uint32_t)v;
}
using Footer = int64_t;
using FooterAction = char* (char*);
static char* SkipPod(char* footerEnd);
static void RunDtorsOnBlock(char* footerEnd);
static char* NextBlock(char* footerEnd);
void installFooter(FooterAction* releaser, uint32_t padding);
void installUint32Footer(FooterAction* action, uint32_t value, uint32_t padding);
void installPtrFooter(FooterAction* action, char* ptr, uint32_t padding);
void ensureSpace(uint32_t size, uint32_t alignment);
char* allocObject(uint32_t size, uint32_t alignment) {
uintptr_t mask = alignment - 1;
uintptr_t alignedOffset = (~reinterpret_cast<uintptr_t>(fCursor) + 1) & mask;
uintptr_t totalSize = size + alignedOffset;
AssertRelease(totalSize >= size);
if (totalSize > static_cast<uintptr_t>(fEnd - fCursor)) {
this->ensureSpace(size, alignment);
alignedOffset = (~reinterpret_cast<uintptr_t>(fCursor) + 1) & mask;
}
return fCursor + alignedOffset;
}
char* allocObjectWithFooter(uint32_t sizeIncludingFooter, uint32_t alignment);
template <typename T>
char* commonArrayAlloc(uint32_t count) {
char* objStart;
AssertRelease(count <= std::numeric_limits<uint32_t>::max() / sizeof(T));
uint32_t arraySize = ToU32(count * sizeof(T));
uint32_t alignment = ToU32(alignof(T));
if (std::is_trivially_destructible<T>::value) {
objStart = this->allocObject(arraySize, alignment);
fCursor = objStart + arraySize;
} else {
constexpr uint32_t overhead = sizeof(Footer) + sizeof(uint32_t);
AssertRelease(arraySize <= std::numeric_limits<uint32_t>::max() - overhead);
uint32_t totalSize = arraySize + overhead;
objStart = this->allocObjectWithFooter(totalSize, alignment);
// Can never be UB because max value is alignof(T).
uint32_t padding = ToU32(objStart - fCursor);
// Advance to end of array to install footer.?
fCursor = objStart + arraySize;
this->installUint32Footer(
[](char* footerEnd) {
char* objEnd = footerEnd - (sizeof(Footer) + sizeof(uint32_t));
uint32_t count;
memmove(&count, objEnd, sizeof(uint32_t));
char* objStart = objEnd - count * sizeof(T);
T* array = (T*) objStart;
for (uint32_t i = 0; i < count; i++) {
array[i].~T();
}
return objStart;
},
ToU32(count),
padding);
}
return objStart;
}
char* fDtorCursor;
char* fCursor;
char* fEnd;
char* const fFirstBlock;
const uint32_t fFirstSize;
const uint32_t fFirstHeapAllocationSize;
// Use the Fibonacci sequence as the growth factor for block size. The size of the block
// allocated is fFib0 * fFirstHeapAllocationSize. Using 2 ^ n * fFirstHeapAllocationSize
// had too much slop for Android.
uint32_t fFib0 {1}, fFib1 {1};
};
// Helper for defining allocators with inline/reserved storage.
// For argument declarations, stick to the base type (SkArenaAlloc).
template <size_t InlineStorageSize>
class VSTArenaAlloc : public VArenaAlloc {
public:
explicit VSTArenaAlloc(size_t firstHeapAllocation = InlineStorageSize)
: VArenaAlloc(fInlineStorage, InlineStorageSize, firstHeapAllocation) {}
private:
char fInlineStorage[InlineStorageSize];
};
#endif // VARENAALLOC_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "vector_vbezier.h"
#include <cmath>
#include "vector_vline.h"
V_BEGIN_NAMESPACE
VBezier VBezier::fromPoints(const VPointF &p1, const VPointF &p2,
const VPointF &p3, const VPointF &p4)
{
VBezier b;
b.x1 = p1.x();
b.y1 = p1.y();
b.x2 = p2.x();
b.y2 = p2.y();
b.x3 = p3.x();
b.y3 = p3.y();
b.x4 = p4.x();
b.y4 = p4.y();
return b;
}
float VBezier::length() const
{
const auto len = VLine::length(x1, y1, x2, y2) +
VLine::length(x2, y2, x3, y3) +
VLine::length(x3, y3, x4, y4);
const auto chord = VLine::length(x1, y1, x4, y4);
if ((len - chord) > 0.01) {
VBezier left, right;
split(&left, &right);
return left.length() + right.length();
}
return len;
}
VBezier VBezier::onInterval(float t0, float t1) const
{
if (t0 == 0 && t1 == 1) return *this;
VBezier bezier = *this;
VBezier result;
bezier.parameterSplitLeft(t0, &result);
float trueT = (t1 - t0) / (1 - t0);
bezier.parameterSplitLeft(trueT, &result);
return result;
}
float VBezier::tAtLength(float l, float totalLength) const
{
float t = 1.0;
const float error = 0.01f;
if (l > totalLength || vCompare(l, totalLength)) return t;
t *= 0.5;
float lastBigger = 1.0;
for (int num = 0; num < 100500; num++) {
VBezier right = *this;
VBezier left;
right.parameterSplitLeft(t, &left);
float lLen = left.length();
if (fabs(lLen - l) < error) return t;
if (lLen < l) {
t += (lastBigger - t) * 0.5f;
} else {
lastBigger = t;
t -= t * 0.5f;
}
}
vWarning << "no convergence";
return t;
}
void VBezier::splitAtLength(float len, VBezier *left, VBezier *right)
{
float t;
*right = *this;
t = right->tAtLength(len);
right->parameterSplitLeft(t, left);
}
VPointF VBezier::derivative(float t) const
{
// p'(t) = 3 * (-(1-2t+t^2) * p0 + (1 - 4 * t + 3 * t^2) * p1 + (2 * t - 3 *
// t^2) * p2 + t^2 * p3)
float m_t = 1.0f - t;
float d = t * t;
float a = -m_t * m_t;
float b = 1 - 4 * t + 3 * d;
float c = 2 * t - 3 * d;
return 3 * VPointF(a * x1 + b * x2 + c * x3 + d * x4,
a * y1 + b * y2 + c * y3 + d * y4);
}
float VBezier::angleAt(float t) const
{
if (t < 0 || t > 1) {
return 0;
}
return VLine({}, derivative(t)).angle();
}
V_END_NAMESPACE

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VBEZIER_H
#define VBEZIER_H
#include "vector_vpoint.h"
V_BEGIN_NAMESPACE
class VBezier {
public:
VBezier() = default;
VPointF pointAt(float t) const;
float angleAt(float t) const;
VBezier onInterval(float t0, float t1) const;
float length() const;
static void coefficients(float t, float &a, float &b, float &c, float &d);
static VBezier fromPoints(const VPointF &start, const VPointF &cp1,
const VPointF &cp2, const VPointF &end);
inline void parameterSplitLeft(float t, VBezier *left);
inline void split(VBezier *firstHalf, VBezier *secondHalf) const;
float tAtLength(float len) const { return tAtLength(len , length());}
float tAtLength(float len, float totalLength) const;
void splitAtLength(float len, VBezier *left, VBezier *right);
VPointF pt1() const { return {x1, y1}; }
VPointF pt2() const { return {x2, y2}; }
VPointF pt3() const { return {x3, y3}; }
VPointF pt4() const { return {x4, y4}; }
private:
VPointF derivative(float t) const;
float x1, y1, x2, y2, x3, y3, x4, y4;
};
inline void VBezier::coefficients(float t, float &a, float &b, float &c,
float &d)
{
float m_t = 1.0f - t;
b = m_t * m_t;
c = t * t;
d = c * t;
a = b * m_t;
b *= 3.0f * t;
c *= 3.0f * m_t;
}
inline VPointF VBezier::pointAt(float t) const
{
// numerically more stable:
float x, y;
float m_t = 1.0f - t;
{
float a = x1 * m_t + x2 * t;
float b = x2 * m_t + x3 * t;
float c = x3 * m_t + x4 * t;
a = a * m_t + b * t;
b = b * m_t + c * t;
x = a * m_t + b * t;
}
{
float a = y1 * m_t + y2 * t;
float b = y2 * m_t + y3 * t;
float c = y3 * m_t + y4 * t;
a = a * m_t + b * t;
b = b * m_t + c * t;
y = a * m_t + b * t;
}
return {x, y};
}
inline void VBezier::parameterSplitLeft(float t, VBezier *left)
{
left->x1 = x1;
left->y1 = y1;
left->x2 = x1 + t * (x2 - x1);
left->y2 = y1 + t * (y2 - y1);
left->x3 = x2 + t * (x3 - x2); // temporary holding spot
left->y3 = y2 + t * (y3 - y2); // temporary holding spot
x3 = x3 + t * (x4 - x3);
y3 = y3 + t * (y4 - y3);
x2 = left->x3 + t * (x3 - left->x3);
y2 = left->y3 + t * (y3 - left->y3);
left->x3 = left->x2 + t * (left->x3 - left->x2);
left->y3 = left->y2 + t * (left->y3 - left->y2);
left->x4 = x1 = left->x3 + t * (x2 - left->x3);
left->y4 = y1 = left->y3 + t * (y2 - left->y3);
}
inline void VBezier::split(VBezier *firstHalf, VBezier *secondHalf) const
{
float c = (x2 + x3) * 0.5f;
firstHalf->x2 = (x1 + x2) * 0.5f;
secondHalf->x3 = (x3 + x4) * 0.5f;
firstHalf->x1 = x1;
secondHalf->x4 = x4;
firstHalf->x3 = (firstHalf->x2 + c) * 0.5f;
secondHalf->x2 = (secondHalf->x3 + c) * 0.5f;
firstHalf->x4 = secondHalf->x1 = (firstHalf->x3 + secondHalf->x2) * 0.5f;
c = (y2 + y3) / 2;
firstHalf->y2 = (y1 + y2) * 0.5f;
secondHalf->y3 = (y3 + y4) * 0.5f;
firstHalf->y1 = y1;
secondHalf->y4 = y4;
firstHalf->y3 = (firstHalf->y2 + c) * 0.5f;
secondHalf->y2 = (secondHalf->y3 + c) * 0.5f;
firstHalf->y4 = secondHalf->y1 = (firstHalf->y3 + secondHalf->y2) * 0.5f;
}
V_END_NAMESPACE
#endif // VBEZIER_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "vector_vbitmap.h"
#include <string>
#include <memory>
#include "vector_vdrawhelper.h"
#include "vector_vglobal.h"
V_BEGIN_NAMESPACE
void VBitmap::Impl::reset(size_t width, size_t height, VBitmap::Format format)
{
mRoData = nullptr;
mWidth = uint(width);
mHeight = uint(height);
mFormat = format;
mDepth = depth(format);
mStride = ((mWidth * mDepth + 31) >> 5)
<< 2; // bytes per scanline (must be multiple of 4)
mOwnData = std::make_unique<uchar[]>(mStride * mHeight);
}
void VBitmap::Impl::reset(uchar *data, size_t width, size_t height, size_t bytesPerLine,
VBitmap::Format format)
{
mRoData = data;
mWidth = uint(width);
mHeight = uint(height);
mStride = uint(bytesPerLine);
mFormat = format;
mDepth = depth(format);
mOwnData = nullptr;
}
uchar VBitmap::Impl::depth(VBitmap::Format format)
{
uchar depth = 1;
switch (format) {
case VBitmap::Format::Alpha8:
depth = 8;
break;
case VBitmap::Format::ARGB32:
case VBitmap::Format::ARGB32_Premultiplied:
depth = 32;
break;
default:
break;
}
return depth;
}
void VBitmap::Impl::fill(uint /*pixel*/)
{
//@TODO
}
void VBitmap::Impl::updateLuma()
{
if (mFormat != VBitmap::Format::ARGB32_Premultiplied) return;
auto dataPtr = data();
for (uint col = 0; col < mHeight; col++) {
uint *pixel = (uint *)(dataPtr + mStride * col);
for (uint row = 0; row < mWidth; row++) {
int alpha = vAlpha(*pixel);
if (alpha == 0) {
pixel++;
continue;
}
int red = vRed(*pixel);
int green = vGreen(*pixel);
int blue = vBlue(*pixel);
if (alpha != 255) {
// un multiply
red = (red * 255) / alpha;
green = (green * 255) / alpha;
blue = (blue * 255) / alpha;
}
int luminosity = int(0.299f * red + 0.587f * green + 0.114f * blue);
*pixel = luminosity << 24;
pixel++;
}
}
}
VBitmap::VBitmap(size_t width, size_t height, VBitmap::Format format)
{
if (width <= 0 || height <= 0 || format == Format::Invalid) return;
mImpl = rc_ptr<Impl>(width, height, format);
}
VBitmap::VBitmap(uchar *data, size_t width, size_t height, size_t bytesPerLine,
VBitmap::Format format)
{
if (!data || width <= 0 || height <= 0 || bytesPerLine <= 0 ||
format == Format::Invalid)
return;
mImpl = rc_ptr<Impl>(data, width, height, bytesPerLine, format);
}
void VBitmap::reset(uchar *data, size_t w, size_t h, size_t bytesPerLine,
VBitmap::Format format)
{
if (mImpl) {
mImpl->reset(data, w, h, bytesPerLine, format);
} else {
mImpl = rc_ptr<Impl>(data, w, h, bytesPerLine, format);
}
}
void VBitmap::reset(size_t w, size_t h, VBitmap::Format format)
{
if (mImpl) {
if (w == mImpl->width() && h == mImpl->height() &&
format == mImpl->format()) {
return;
}
mImpl->reset(w, h, format);
} else {
mImpl = rc_ptr<Impl>(w, h, format);
}
}
size_t VBitmap::stride() const
{
return mImpl ? mImpl->stride() : 0;
}
size_t VBitmap::width() const
{
return mImpl ? mImpl->width() : 0;
}
size_t VBitmap::height() const
{
return mImpl ? mImpl->height() : 0;
}
size_t VBitmap::depth() const
{
return mImpl ? mImpl->mDepth : 0;
}
uchar *VBitmap::data()
{
return mImpl ? mImpl->data() : nullptr;
}
uchar *VBitmap::data() const
{
return mImpl ? mImpl->data() : nullptr;
}
VRect VBitmap::rect() const
{
return mImpl ? mImpl->rect() : VRect();
}
VSize VBitmap::size() const
{
return mImpl ? mImpl->size() : VSize();
}
bool VBitmap::valid() const
{
return mImpl;
}
VBitmap::Format VBitmap::format() const
{
return mImpl ? mImpl->format() : VBitmap::Format::Invalid;
}
void VBitmap::fill(uint pixel)
{
if (mImpl) mImpl->fill(pixel);
}
/*
* This is special function which converts
* RGB value to Luminosity and stores it in
* the Alpha component of the pixel.
* After this conversion the bitmap data is no more
* in RGB space. but the Alpha component contains the
* Luminosity value of the pixel in HSL color space.
* NOTE: this api has its own special usecase
* make sure you know what you are doing before using
* this api.
*/
void VBitmap::updateLuma()
{
if (mImpl) mImpl->updateLuma();
}
V_END_NAMESPACE

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VBITMAP_H
#define VBITMAP_H
#include "vector_vrect.h"
#include "vector_vsharedptr.h"
V_BEGIN_NAMESPACE
class VBitmap {
public:
enum class Format: uchar {
Invalid,
Alpha8,
ARGB32,
ARGB32_Premultiplied
};
VBitmap() = default;
VBitmap(size_t w, size_t h, VBitmap::Format format);
VBitmap(uchar *data, size_t w, size_t h, size_t bytesPerLine, VBitmap::Format format);
void reset(uchar *data, size_t w, size_t h, size_t stride, VBitmap::Format format);
void reset(size_t w, size_t h, VBitmap::Format format=Format::ARGB32_Premultiplied);
size_t stride() const;
size_t width() const;
size_t height() const;
size_t depth() const;
VBitmap::Format format() const;
bool valid() const;
uchar * data();
uchar * data() const;
VRect rect() const;
VSize size() const;
void fill(uint pixel);
void updateLuma();
private:
struct Impl {
std::unique_ptr<uchar[]> mOwnData{nullptr};
uchar * mRoData{nullptr};
uint mWidth{0};
uint mHeight{0};
uint mStride{0};
uchar mDepth{0};
VBitmap::Format mFormat{VBitmap::Format::Invalid};
explicit Impl(size_t width, size_t height, VBitmap::Format format)
{
reset(width, height, format);
}
explicit Impl(uchar *data, size_t w, size_t h, size_t bytesPerLine, VBitmap::Format format)
{
reset(data, w, h, bytesPerLine, format);
}
VRect rect() const { return VRect(0, 0, mWidth, mHeight);}
VSize size() const { return VSize(mWidth, mHeight); }
size_t stride() const { return mStride; }
size_t width() const { return mWidth; }
size_t height() const { return mHeight; }
uchar * data() { return mRoData ? mRoData : mOwnData.get(); }
VBitmap::Format format() const { return mFormat; }
void reset(uchar *, size_t, size_t, size_t, VBitmap::Format);
void reset(size_t, size_t, VBitmap::Format);
static uchar depth(VBitmap::Format format);
void fill(uint);
void updateLuma();
};
rc_ptr<Impl> mImpl;
};
V_END_NAMESPACE
#endif // VBITMAP_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "vector_vbrush.h"
V_BEGIN_NAMESPACE
VGradient::VGradient(VGradient::Type type)
: mType(type)
{
if (mType == Type::Linear)
linear.x1 = linear.y1 = linear.x2 = linear.y2 = 0.0f;
else
radial.cx = radial.cy = radial.fx =
radial.fy = radial.cradius = radial.fradius = 0.0f;
}
void VGradient::setStops(const VGradientStops &stops)
{
mStops = stops;
}
VBrush::VBrush(const VColor &color) : mType(VBrush::Type::Solid), mColor(color)
{
}
VBrush::VBrush(uchar r, uchar g, uchar b, uchar a)
: mType(VBrush::Type::Solid), mColor(r, g, b, a)
{
}
VBrush::VBrush(const VGradient *gradient)
{
if (!gradient) return;
mGradient = gradient;
if (gradient->mType == VGradient::Type::Linear) {
mType = VBrush::Type::LinearGradient;
} else if (gradient->mType == VGradient::Type::Radial) {
mType = VBrush::Type::RadialGradient;
}
}
VBrush::VBrush(const VTexture *texture):mType(VBrush::Type::Texture), mTexture(texture)
{
}
V_END_NAMESPACE

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VBRUSH_H
#define VBRUSH_H
#include <vector>
#include "vector_vglobal.h"
#include "vector_vmatrix.h"
#include "vector_vpoint.h"
#include "vector_vbitmap.h"
V_BEGIN_NAMESPACE
using VGradientStop = std::pair<float, VColor>;
using VGradientStops = std::vector<VGradientStop>;
class VGradient {
public:
enum class Mode { Absolute, Relative };
enum class Spread { Pad, Repeat, Reflect };
enum class Type { Linear, Radial };
explicit VGradient(VGradient::Type type);
void setStops(const VGradientStops &stops);
void setAlpha(float alpha) {mAlpha = alpha;}
float alpha() const {return mAlpha;}
public:
static constexpr int colorTableSize = 1024;
VGradient::Type mType{Type::Linear};
VGradient::Spread mSpread{Spread::Pad};
VGradient::Mode mMode{Mode::Absolute};
VGradientStops mStops;
float mAlpha{1.0};
struct Linear{
float x1{0}, y1{0}, x2{0}, y2{0};
};
struct Radial{
float cx{0}, cy{0}, fx{0}, fy{0}, cradius{0}, fradius{0};
};
union {
Linear linear;
Radial radial;
};
VMatrix mMatrix;
};
struct VTexture {
VBitmap mBitmap;
VMatrix mMatrix;
int mAlpha{255};
};
class VBrush {
public:
enum class Type { NoBrush, Solid, LinearGradient, RadialGradient, Texture };
VBrush():mType(Type::NoBrush),mColor(){};
explicit VBrush(const VColor &color);
explicit VBrush(const VGradient *gradient);
explicit VBrush(uchar r, uchar g, uchar b, uchar a);
explicit VBrush(const VTexture *texture);
inline VBrush::Type type() const { return mType; }
public:
VBrush::Type mType{Type::NoBrush};
union {
VColor mColor{};
const VGradient *mGradient;
const VTexture *mTexture;
};
};
V_END_NAMESPACE
#endif // VBRUSH_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VCOWPTR_H
#define VCOWPTR_H
#include <cassert>
#include <atomic>
template <typename T>
class vcow_ptr {
struct model {
std::atomic<std::size_t> mRef{1};
model() = default;
template <class... Args>
explicit model(Args&&... args) : mValue(std::forward<Args>(args)...){}
explicit model(const T& other) : mValue(other){}
T mValue;
};
model* mModel;
public:
using element_type = T;
vcow_ptr()
{
static model default_s;
mModel = &default_s;
++mModel->mRef;
}
~vcow_ptr()
{
if (mModel && (--mModel->mRef == 0)) delete mModel;
}
template <class... Args>
explicit vcow_ptr(Args&&... args) : mModel(new model(std::forward<Args>(args)...))
{
}
vcow_ptr(const vcow_ptr& x) noexcept : mModel(x.mModel)
{
assert(mModel);
++mModel->mRef;
}
vcow_ptr(vcow_ptr&& x) noexcept : mModel(x.mModel)
{
assert(mModel);
x.mModel = nullptr;
}
auto operator=(const vcow_ptr& x) noexcept -> vcow_ptr&
{
*this = vcow_ptr(x);
return *this;
}
auto operator=(vcow_ptr&& x) noexcept -> vcow_ptr&
{
auto tmp = std::move(x);
swap(*this, tmp);
return *this;
}
auto operator*() const noexcept -> const element_type& { return read(); }
auto operator-> () const noexcept -> const element_type* { return &read(); }
std::size_t refCount() const noexcept
{
assert(mModel);
return mModel->mRef;
}
bool unique() const noexcept
{
assert(mModel);
return mModel->mRef == 1;
}
auto write() -> element_type&
{
if (!unique()) *this = vcow_ptr(read());
return mModel->mValue;
}
auto read() const noexcept -> const element_type&
{
assert(mModel);
return mModel->mValue;
}
friend inline void swap(vcow_ptr& x, vcow_ptr& y) noexcept
{
std::swap(x.mModel, y.mModel);
}
};
#endif // VCOWPTR_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "vector_vbezier.h"
#include <cmath>
#include "vector_vdasher.h"
#include "vector_vline.h"
V_BEGIN_NAMESPACE
static constexpr float tolerance = 0.1f;
VDasher::VDasher(const float *dashArray, size_t size)
{
mDashArray = reinterpret_cast<const VDasher::Dash *>(dashArray);
mArraySize = size / 2;
if (size % 2) mDashOffset = dashArray[size - 1];
mIndex = 0;
mCurrentLength = 0;
mDiscard = false;
//if the dash array contains ZERO length
// segments or ZERO lengths gaps we could
// optimize those usecase.
for (size_t i = 0; i < mArraySize; i++) {
if (!vCompare(mDashArray[i].length, 0.0f))
mNoLength = false;
if (!vCompare(mDashArray[i].gap, 0.0f))
mNoGap = false;
}
}
void VDasher::moveTo(const VPointF &p)
{
mDiscard = false;
mStartNewSegment = true;
mCurPt = p;
mIndex = 0;
if (!vCompare(mDashOffset, 0.0f)) {
float totalLength = 0.0;
for (size_t i = 0; i < mArraySize; i++) {
totalLength = mDashArray[i].length + mDashArray[i].gap;
}
float normalizeLen = std::fmod(mDashOffset, totalLength);
if (normalizeLen < 0.0f) {
normalizeLen = totalLength + normalizeLen;
}
// now the length is less than total length and +ve
// findout the current dash index , dashlength and gap.
for (size_t i = 0; i < mArraySize; i++) {
if (normalizeLen < mDashArray[i].length) {
mIndex = i;
mCurrentLength = mDashArray[i].length - normalizeLen;
mDiscard = false;
break;
}
normalizeLen -= mDashArray[i].length;
if (normalizeLen < mDashArray[i].gap) {
mIndex = i;
mCurrentLength = mDashArray[i].gap - normalizeLen;
mDiscard = true;
break;
}
normalizeLen -= mDashArray[i].gap;
}
} else {
mCurrentLength = mDashArray[mIndex].length;
}
if (vIsZero(mCurrentLength)) updateActiveSegment();
}
void VDasher::addLine(const VPointF &p)
{
if (mDiscard) return;
if (mStartNewSegment) {
mResult->moveTo(mCurPt);
mStartNewSegment = false;
}
mResult->lineTo(p);
}
void VDasher::updateActiveSegment()
{
mStartNewSegment = true;
if (mDiscard) {
mDiscard = false;
mIndex = (mIndex + 1) % mArraySize;
mCurrentLength = mDashArray[mIndex].length;
} else {
mDiscard = true;
mCurrentLength = mDashArray[mIndex].gap;
}
if (vIsZero(mCurrentLength)) updateActiveSegment();
}
void VDasher::lineTo(const VPointF &p)
{
VLine left, right;
VLine line(mCurPt, p);
float length = line.length();
if (length <= mCurrentLength) {
mCurrentLength -= length;
addLine(p);
} else {
while (length > mCurrentLength) {
length -= mCurrentLength;
line.splitAtLength(mCurrentLength, left, right);
addLine(left.p2());
updateActiveSegment();
line = right;
mCurPt = line.p1();
}
// handle remainder
if (length > tolerance) {
mCurrentLength -= length;
addLine(line.p2());
}
}
if (mCurrentLength < tolerance) updateActiveSegment();
mCurPt = p;
}
void VDasher::addCubic(const VPointF &cp1, const VPointF &cp2, const VPointF &e)
{
if (mDiscard) return;
if (mStartNewSegment) {
mResult->moveTo(mCurPt);
mStartNewSegment = false;
}
mResult->cubicTo(cp1, cp2, e);
}
void VDasher::cubicTo(const VPointF &cp1, const VPointF &cp2, const VPointF &e)
{
VBezier left, right;
VBezier b = VBezier::fromPoints(mCurPt, cp1, cp2, e);
float bezLen = b.length();
if (bezLen <= mCurrentLength) {
mCurrentLength -= bezLen;
addCubic(cp1, cp2, e);
} else {
while (bezLen > mCurrentLength) {
bezLen -= mCurrentLength;
b.splitAtLength(mCurrentLength, &left, &right);
addCubic(left.pt2(), left.pt3(), left.pt4());
updateActiveSegment();
b = right;
mCurPt = b.pt1();
}
// handle remainder
if (bezLen > tolerance) {
mCurrentLength -= bezLen;
addCubic(b.pt2(), b.pt3(), b.pt4());
}
}
if (mCurrentLength < tolerance) updateActiveSegment();
mCurPt = e;
}
void VDasher::dashHelper(const VPath &path, VPath &result)
{
mResult = &result;
mResult->reserve(path.points().size(), path.elements().size());
mIndex = 0;
const std::vector<VPath::Element> &elms = path.elements();
const std::vector<VPointF> & pts = path.points();
const VPointF * ptPtr = pts.data();
for (auto &i : elms) {
switch (i) {
case VPath::Element::MoveTo: {
moveTo(*ptPtr++);
break;
}
case VPath::Element::LineTo: {
lineTo(*ptPtr++);
break;
}
case VPath::Element::CubicTo: {
cubicTo(*ptPtr, *(ptPtr + 1), *(ptPtr + 2));
ptPtr += 3;
break;
}
case VPath::Element::Close: {
// The point is already joined to start point in VPath
// no need to do anything here.
break;
}
}
}
mResult = nullptr;
}
void VDasher::dashed(const VPath &path, VPath &result)
{
if (mNoLength && mNoGap) return result.reset();
if (path.empty() || mNoLength) return result.reset();
if (mNoGap) return result.clone(path);
result.reset();
dashHelper(path, result);
}
VPath VDasher::dashed(const VPath &path)
{
if (mNoLength && mNoGap) return path;
if (path.empty() || mNoLength) return VPath();
if (mNoGap) return path;
VPath result;
dashHelper(path, result);
return result;
}
V_END_NAMESPACE

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VDASHER_H
#define VDASHER_H
#include "vector_vpath.h"
V_BEGIN_NAMESPACE
class VDasher {
public:
VDasher(const float *dashArray, size_t size);
VPath dashed(const VPath &path);
void dashed(const VPath &path, VPath &result);
private:
void moveTo(const VPointF &p);
void lineTo(const VPointF &p);
void cubicTo(const VPointF &cp1, const VPointF &cp2, const VPointF &e);
void close();
void addLine(const VPointF &p);
void addCubic(const VPointF &cp1, const VPointF &cp2, const VPointF &e);
void updateActiveSegment();
private:
void dashHelper(const VPath &path, VPath &result);
struct Dash {
float length;
float gap;
};
const VDasher::Dash *mDashArray;
size_t mArraySize{0};
VPointF mCurPt;
size_t mIndex{0}; /* index to the dash Array */
float mCurrentLength;
float mDashOffset{0};
VPath *mResult{nullptr};
bool mDiscard{false};
bool mStartNewSegment{true};
bool mNoLength{true};
bool mNoGap{true};
};
V_END_NAMESPACE
#endif // VDASHER_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "vector_vdebug.h"
#ifdef LOTTIE_LOGGING_SUPPORT
#include <atomic>
#include <chrono>
#include <cstring>
#include <ctime>
#include <fstream>
#include <memory>
#include <queue>
#include <sstream>
#include <thread>
#include <tuple>
namespace {
/* Returns microseconds since epoch */
uint64_t timestamp_now()
{
return std::chrono::duration_cast<std::chrono::microseconds>(
std::chrono::high_resolution_clock::now().time_since_epoch())
.count();
}
/* I want [2016-10-13 00:01:23.528514] */
void format_timestamp(std::ostream& os, uint64_t timestamp)
{
// The next 3 lines do not work on MSVC!
// auto duration = std::chrono::microseconds(timestamp);
// std::chrono::high_resolution_clock::time_point time_point(duration);
// std::time_t time_t =
// std::chrono::high_resolution_clock::to_time_t(time_point);
std::time_t time_t = timestamp / 1000000;
auto gmtime = std::gmtime(&time_t);
char buffer[32];
strftime(buffer, 32, "%Y-%m-%d %T.", gmtime);
char microseconds[7];
snprintf(microseconds, 7, "%06llu",
(long long unsigned int)timestamp % 1000000);
os << '[' << buffer << microseconds << ']';
}
std::thread::id this_thread_id()
{
static thread_local const std::thread::id id = std::this_thread::get_id();
return id;
}
template <typename T, typename Tuple>
struct TupleIndex;
template <typename T, typename... Types>
struct TupleIndex<T, std::tuple<T, Types...> > {
static constexpr const std::size_t value = 0;
};
template <typename T, typename U, typename... Types>
struct TupleIndex<T, std::tuple<U, Types...> > {
static constexpr const std::size_t value =
1 + TupleIndex<T, std::tuple<Types...> >::value;
};
} // anonymous namespace
typedef std::tuple<char, uint32_t, uint64_t, int32_t, int64_t, double,
VDebug::string_literal_t, char*>
SupportedTypes;
char const* to_string(LogLevel loglevel)
{
switch (loglevel) {
case LogLevel::OFF:
return "OFF";
case LogLevel::INFO:
return "INFO";
case LogLevel::WARN:
return "WARN";
case LogLevel::CRIT:
return "CRIT";
}
return "XXXX";
}
template <typename Arg>
void VDebug::encode(Arg arg)
{
*reinterpret_cast<Arg*>(buffer()) = arg;
m_bytes_used += sizeof(Arg);
}
template <typename Arg>
void VDebug::encode(Arg arg, uint8_t type_id)
{
resize_buffer_if_needed(sizeof(Arg) + sizeof(uint8_t));
encode<uint8_t>(type_id);
encode<Arg>(arg);
}
VDebug::VDebug(LogLevel level, char const* file, char const* function,
uint32_t line)
: m_bytes_used(0), m_buffer_size(sizeof(m_stack_buffer))
{
encode<uint64_t>(timestamp_now());
encode<std::thread::id>(this_thread_id());
encode<string_literal_t>(string_literal_t(file));
encode<string_literal_t>(string_literal_t(function));
encode<uint32_t>(line);
encode<LogLevel>(level);
if (level == LogLevel::INFO) {
m_logAll = false;
} else {
m_logAll = true;
}
}
VDebug::~VDebug() = default;
void VDebug::stringify(std::ostream& os)
{
char* b = !m_heap_buffer ? m_stack_buffer : m_heap_buffer.get();
char const* const end = b + m_bytes_used;
uint64_t timestamp = *reinterpret_cast<uint64_t*>(b);
b += sizeof(uint64_t);
std::thread::id threadid = *reinterpret_cast<std::thread::id*>(b);
b += sizeof(std::thread::id);
string_literal_t file = *reinterpret_cast<string_literal_t*>(b);
b += sizeof(string_literal_t);
string_literal_t function = *reinterpret_cast<string_literal_t*>(b);
b += sizeof(string_literal_t);
uint32_t line = *reinterpret_cast<uint32_t*>(b);
b += sizeof(uint32_t);
LogLevel loglevel = *reinterpret_cast<LogLevel*>(b);
b += sizeof(LogLevel);
if (m_logAll) {
format_timestamp(os, timestamp);
os << '[' << to_string(loglevel) << ']' << '[' << threadid << ']' << '['
<< file.m_s << ':' << function.m_s << ':' << line << "] ";
}
stringify(os, b, end);
os << std::endl;
if (loglevel >= LogLevel::CRIT) os.flush();
}
template <typename Arg>
char* decode(std::ostream& os, char* b, Arg* /*dummy*/)
{
Arg arg = *reinterpret_cast<Arg*>(b);
os << arg;
return b + sizeof(Arg);
}
template <>
char* decode(std::ostream& os, char* b, VDebug::string_literal_t* /*dummy*/)
{
VDebug::string_literal_t s =
*reinterpret_cast<VDebug::string_literal_t*>(b);
os << s.m_s;
return b + sizeof(VDebug::string_literal_t);
}
template <>
char* decode(std::ostream& os, char* b, char** /*dummy*/)
{
while (*b != '\0') {
os << *b;
++b;
}
return ++b;
}
void VDebug::stringify(std::ostream& os, char* start, char const* const end)
{
if (start == end) return;
int type_id = static_cast<int>(*start);
start++;
switch (type_id) {
case 0:
stringify(
os,
decode(os, start,
static_cast<std::tuple_element<0, SupportedTypes>::type*>(
nullptr)),
end);
return;
case 1:
stringify(
os,
decode(os, start,
static_cast<std::tuple_element<1, SupportedTypes>::type*>(
nullptr)),
end);
return;
case 2:
stringify(
os,
decode(os, start,
static_cast<std::tuple_element<2, SupportedTypes>::type*>(
nullptr)),
end);
return;
case 3:
stringify(
os,
decode(os, start,
static_cast<std::tuple_element<3, SupportedTypes>::type*>(
nullptr)),
end);
return;
case 4:
stringify(
os,
decode(os, start,
static_cast<std::tuple_element<4, SupportedTypes>::type*>(
nullptr)),
end);
return;
case 5:
stringify(
os,
decode(os, start,
static_cast<std::tuple_element<5, SupportedTypes>::type*>(
nullptr)),
end);
return;
case 6:
stringify(
os,
decode(os, start,
static_cast<std::tuple_element<6, SupportedTypes>::type*>(
nullptr)),
end);
return;
case 7:
stringify(
os,
decode(os, start,
static_cast<std::tuple_element<7, SupportedTypes>::type*>(
nullptr)),
end);
return;
}
}
char* VDebug::buffer()
{
return !m_heap_buffer ? &m_stack_buffer[m_bytes_used]
: &(m_heap_buffer.get())[m_bytes_used];
}
void VDebug::resize_buffer_if_needed(size_t additional_bytes)
{
size_t const required_size = m_bytes_used + additional_bytes;
if (required_size <= m_buffer_size) return;
if (!m_heap_buffer) {
m_buffer_size = std::max(static_cast<size_t>(512), required_size);
m_heap_buffer = std::make_unique<char[]>(m_buffer_size);
memcpy(m_heap_buffer.get(), m_stack_buffer, m_bytes_used);
return;
} else {
m_buffer_size =
std::max(static_cast<size_t>(2 * m_buffer_size), required_size);
std::unique_ptr<char[]> new_heap_buffer(new char[m_buffer_size]);
memcpy(new_heap_buffer.get(), m_heap_buffer.get(), m_bytes_used);
m_heap_buffer.swap(new_heap_buffer);
}
}
void VDebug::encode(char const* arg)
{
if (arg != nullptr) encode_c_string(arg, strlen(arg));
}
void VDebug::encode(char* arg)
{
if (arg != nullptr) encode_c_string(arg, strlen(arg));
}
void VDebug::encode_c_string(char const* arg, size_t length)
{
if (length == 0) return;
resize_buffer_if_needed(1 + length + 1);
char* b = buffer();
auto type_id = TupleIndex<char*, SupportedTypes>::value;
*reinterpret_cast<uint8_t*>(b++) = static_cast<uint8_t>(type_id);
memcpy(b, arg, length + 1);
m_bytes_used += 1 + length + 1;
}
void VDebug::encode(string_literal_t arg)
{
encode<string_literal_t>(
arg, TupleIndex<string_literal_t, SupportedTypes>::value);
}
VDebug& VDebug::operator<<(std::string const& arg)
{
encode_c_string(arg.c_str(), arg.length());
return *this;
}
VDebug& VDebug::operator<<(int32_t arg)
{
encode<int32_t>(arg, TupleIndex<int32_t, SupportedTypes>::value);
return *this;
}
VDebug& VDebug::operator<<(uint32_t arg)
{
encode<uint32_t>(arg, TupleIndex<uint32_t, SupportedTypes>::value);
return *this;
}
// VDebug& VDebug::operator<<(int64_t arg)
// {
// encode < int64_t >(arg, TupleIndex < int64_t, SupportedTypes >::value);
// return *this;
// }
// VDebug& VDebug::operator<<(uint64_t arg)
// {
// encode < uint64_t >(arg, TupleIndex < uint64_t, SupportedTypes >::value);
// return *this;
// }
VDebug& VDebug::operator<<(unsigned long arg)
{
encode<uint64_t>(arg, TupleIndex<uint64_t, SupportedTypes>::value);
return *this;
}
VDebug& VDebug::operator<<(long arg)
{
encode<int64_t>(arg, TupleIndex<int64_t, SupportedTypes>::value);
return *this;
}
VDebug& VDebug::operator<<(double arg)
{
encode<double>(arg, TupleIndex<double, SupportedTypes>::value);
return *this;
}
VDebug& VDebug::operator<<(char arg)
{
encode<char>(arg, TupleIndex<char, SupportedTypes>::value);
return *this;
}
struct BufferBase {
virtual ~BufferBase() = default;
virtual void push(VDebug&& logline) = 0;
virtual bool try_pop(VDebug& logline) = 0;
};
struct SpinLock {
SpinLock(std::atomic_flag& flag) : m_flag(flag)
{
while (m_flag.test_and_set(std::memory_order_acquire))
;
}
~SpinLock() { m_flag.clear(std::memory_order_release); }
private:
std::atomic_flag& m_flag;
};
/* Multi Producer Single Consumer Ring Buffer */
class RingBuffer : public BufferBase {
public:
struct alignas(64) Item {
Item()
: flag(), written(0), logline(LogLevel::INFO, nullptr, nullptr, 0)
{
}
std::atomic_flag flag;
char written;
char padding[256 - sizeof(std::atomic_flag) - sizeof(char) -
sizeof(VDebug)];
VDebug logline;
};
RingBuffer(size_t const size)
: m_size(size),
m_ring(static_cast<Item*>(std::malloc(size * sizeof(Item)))),
m_write_index(0),
m_read_index(0)
{
for (size_t i = 0; i < m_size; ++i) {
new (&m_ring[i]) Item();
}
static_assert(sizeof(Item) == 256, "Unexpected size != 256");
}
~RingBuffer() override
{
for (size_t i = 0; i < m_size; ++i) {
m_ring[i].~Item();
}
std::free(m_ring);
}
void push(VDebug&& logline) override
{
unsigned int write_index =
m_write_index.fetch_add(1, std::memory_order_relaxed) % m_size;
Item& item = m_ring[write_index];
SpinLock spinlock(item.flag);
item.logline = std::move(logline);
item.written = 1;
}
bool try_pop(VDebug& logline) override
{
Item& item = m_ring[m_read_index % m_size];
SpinLock spinlock(item.flag);
if (item.written == 1) {
logline = std::move(item.logline);
item.written = 0;
++m_read_index;
return true;
}
return false;
}
RingBuffer(RingBuffer const&) = delete;
RingBuffer& operator=(RingBuffer const&) = delete;
private:
size_t const m_size;
Item* m_ring;
std::atomic<unsigned int> m_write_index;
public:
char pad[64];
private:
unsigned int m_read_index;
};
class Buffer {
public:
struct Item {
Item(VDebug&& logline) : logline(std::move(logline)) {}
char padding[256 - sizeof(VDebug)];
VDebug logline;
};
static constexpr const size_t size =
32768; // 8MB. Helps reduce memory fragmentation
Buffer() : m_buffer(static_cast<Item*>(std::malloc(size * sizeof(Item))))
{
for (size_t i = 0; i <= size; ++i) {
m_write_state[i].store(0, std::memory_order_relaxed);
}
static_assert(sizeof(Item) == 256, "Unexpected size != 256");
}
~Buffer()
{
unsigned int write_count = m_write_state[size].load();
for (size_t i = 0; i < write_count; ++i) {
m_buffer[i].~Item();
}
std::free(m_buffer);
}
// Returns true if we need to switch to next buffer
bool push(VDebug&& logline, unsigned int const write_index)
{
new (&m_buffer[write_index]) Item(std::move(logline));
m_write_state[write_index].store(1, std::memory_order_release);
return m_write_state[size].fetch_add(1, std::memory_order_acquire) +
1 ==
size;
}
bool try_pop(VDebug& logline, unsigned int const read_index)
{
if (m_write_state[read_index].load(std::memory_order_acquire)) {
Item& item = m_buffer[read_index];
logline = std::move(item.logline);
return true;
}
return false;
}
Buffer(Buffer const&) = delete;
Buffer& operator=(Buffer const&) = delete;
private:
Item* m_buffer;
std::atomic<unsigned int> m_write_state[size + 1];
};
class QueueBuffer : public BufferBase {
public:
QueueBuffer(QueueBuffer const&) = delete;
QueueBuffer& operator=(QueueBuffer const&) = delete;
QueueBuffer()
: m_current_read_buffer{nullptr},
m_write_index(0),
m_flag(),
m_read_index(0)
{
setup_next_write_buffer();
}
void push(VDebug&& logline) override
{
unsigned int write_index =
m_write_index.fetch_add(1, std::memory_order_relaxed);
if (write_index < Buffer::size) {
if (m_current_write_buffer.load(std::memory_order_acquire)
->push(std::move(logline), write_index)) {
setup_next_write_buffer();
}
} else {
while (m_write_index.load(std::memory_order_acquire) >=
Buffer::size)
;
push(std::move(logline));
}
}
bool try_pop(VDebug& logline) override
{
if (m_current_read_buffer == nullptr)
m_current_read_buffer = get_next_read_buffer();
Buffer* read_buffer = m_current_read_buffer;
if (read_buffer == nullptr) return false;
if (read_buffer->try_pop(logline, m_read_index)) {
m_read_index++;
if (m_read_index == Buffer::size) {
m_read_index = 0;
m_current_read_buffer = nullptr;
SpinLock spinlock(m_flag);
m_buffers.pop();
}
return true;
}
return false;
}
private:
void setup_next_write_buffer()
{
std::unique_ptr<Buffer> next_write_buffer(new Buffer());
m_current_write_buffer.store(next_write_buffer.get(),
std::memory_order_release);
SpinLock spinlock(m_flag);
m_buffers.push(std::move(next_write_buffer));
m_write_index.store(0, std::memory_order_relaxed);
}
Buffer* get_next_read_buffer()
{
SpinLock spinlock(m_flag);
return m_buffers.empty() ? nullptr : m_buffers.front().get();
}
private:
std::queue<std::unique_ptr<Buffer> > m_buffers;
std::atomic<Buffer*> m_current_write_buffer;
Buffer* m_current_read_buffer;
std::atomic<unsigned int> m_write_index;
std::atomic_flag m_flag;
unsigned int m_read_index;
};
class FileWriter {
public:
FileWriter(std::string const& log_directory,
std::string const& log_file_name, uint32_t log_file_roll_size_mb)
: m_log_file_roll_size_bytes(log_file_roll_size_mb * 1024 * 1024),
m_name(log_directory + log_file_name)
{
roll_file();
}
void write(VDebug& logline)
{
auto pos = m_os->tellp();
logline.stringify(*m_os);
m_bytes_written += m_os->tellp() - pos;
if (m_bytes_written > m_log_file_roll_size_bytes) {
roll_file();
}
}
private:
void roll_file()
{
if (m_os) {
m_os->flush();
m_os->close();
}
m_bytes_written = 0;
m_os = std::make_unique<std::ofstream>();
// TODO Optimize this part. Does it even matter ?
std::string log_file_name = m_name;
log_file_name.append(".");
log_file_name.append(std::to_string(++m_file_number));
log_file_name.append(".txt");
m_os->open(log_file_name, std::ofstream::out | std::ofstream::trunc);
}
private:
uint32_t m_file_number = 0;
std::streamoff m_bytes_written = 0;
uint32_t const m_log_file_roll_size_bytes;
std::string const m_name;
std::unique_ptr<std::ofstream> m_os;
};
class NanoLogger {
public:
NanoLogger(NonGuaranteedLogger ngl, std::string const& log_directory,
std::string const& log_file_name, uint32_t log_file_roll_size_mb)
: m_state(State::INIT),
m_buffer_base(
new RingBuffer(std::max(1u, ngl.ring_buffer_size_mb) * 1024 * 4)),
m_file_writer(log_directory, log_file_name,
std::max(1u, log_file_roll_size_mb)),
m_thread(&NanoLogger::pop, this)
{
m_state.store(State::READY, std::memory_order_release);
}
NanoLogger(GuaranteedLogger /*gl*/, std::string const& log_directory,
std::string const& log_file_name, uint32_t log_file_roll_size_mb)
: m_state(State::INIT),
m_buffer_base(new QueueBuffer()),
m_file_writer(log_directory, log_file_name,
std::max(1u, log_file_roll_size_mb)),
m_thread(&NanoLogger::pop, this)
{
m_state.store(State::READY, std::memory_order_release);
}
~NanoLogger()
{
m_state.store(State::SHUTDOWN);
m_thread.join();
}
void add(VDebug&& logline) { m_buffer_base->push(std::move(logline)); }
void pop()
{
// Wait for constructor to complete and pull all stores done there to
// this thread / core.
while (m_state.load(std::memory_order_acquire) == State::INIT)
std::this_thread::sleep_for(std::chrono::microseconds(50));
VDebug logline(LogLevel::INFO, nullptr, nullptr, 0);
while (m_state.load() == State::READY) {
if (m_buffer_base->try_pop(logline))
m_file_writer.write(logline);
else
std::this_thread::sleep_for(std::chrono::microseconds(50));
}
// Pop and log all remaining entries
while (m_buffer_base->try_pop(logline)) {
m_file_writer.write(logline);
}
}
private:
enum class State { INIT, READY, SHUTDOWN };
std::atomic<State> m_state;
std::unique_ptr<BufferBase> m_buffer_base;
FileWriter m_file_writer;
std::thread m_thread;
};
std::unique_ptr<NanoLogger> nanologger;
std::atomic<NanoLogger*> atomic_nanologger;
bool VDebugServer::operator==(VDebug& logline)
{
atomic_nanologger.load(std::memory_order_acquire)->add(std::move(logline));
return true;
}
void initialize(NonGuaranteedLogger ngl, std::string const& log_directory,
std::string const& log_file_name,
uint32_t log_file_roll_size_mb)
{
nanologger = std::make_unique<NanoLogger>(ngl, log_directory, log_file_name,
log_file_roll_size_mb);
atomic_nanologger.store(nanologger.get(), std::memory_order_seq_cst);
}
void initialize(GuaranteedLogger gl, std::string const& log_directory,
std::string const& log_file_name,
uint32_t log_file_roll_size_mb)
{
nanologger = std::make_unique<NanoLogger>(gl, log_directory, log_file_name,
log_file_roll_size_mb);
atomic_nanologger.store(nanologger.get(), std::memory_order_seq_cst);
}
std::atomic<unsigned int> loglevel = {0};
void set_log_level(LogLevel level)
{
loglevel.store(static_cast<unsigned int>(level), std::memory_order_release);
}
bool is_logged(LogLevel level)
{
return static_cast<unsigned int>(level) >=
loglevel.load(std::memory_order_relaxed);
}
#endif // LOTTIE_LOGGING_SUPPORT

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VDEBUG_H
#define VDEBUG_H
#include "config.h"
#ifdef LOTTIE_LOGGING_SUPPORT
#include <cstdint>
#include <iosfwd>
#include <memory>
#include <string>
#include <type_traits>
enum class LogLevel : uint8_t { INFO, WARN, CRIT, OFF };
class VDebug {
public:
VDebug();
VDebug& debug() { return *this; }
VDebug(LogLevel level, char const* file, char const* function,
uint32_t line);
~VDebug();
VDebug(VDebug&&) = default;
VDebug& operator=(VDebug&&) = default;
void stringify(std::ostream& os);
VDebug& operator<<(char arg);
VDebug& operator<<(int32_t arg);
VDebug& operator<<(uint32_t arg);
// VDebug& operator<<(int64_t arg);
// VDebug& operator<<(uint64_t arg);
VDebug& operator<<(long arg);
VDebug& operator<<(unsigned long arg);
VDebug& operator<<(double arg);
VDebug& operator<<(std::string const& arg);
template <size_t N>
VDebug& operator<<(const char (&arg)[N])
{
encode(string_literal_t(arg));
return *this;
}
template <typename Arg>
typename std::enable_if<std::is_same<Arg, char const*>::value,
VDebug&>::type
operator<<(Arg const& arg)
{
encode(arg);
return *this;
}
template <typename Arg>
typename std::enable_if<std::is_same<Arg, char*>::value, VDebug&>::type
operator<<(Arg const& arg)
{
encode(arg);
return *this;
}
struct string_literal_t {
explicit string_literal_t(char const* s) : m_s(s) {}
char const* m_s;
};
private:
char* buffer();
template <typename Arg>
void encode(Arg arg);
template <typename Arg>
void encode(Arg arg, uint8_t type_id);
void encode(char* arg);
void encode(char const* arg);
void encode(string_literal_t arg);
void encode_c_string(char const* arg, size_t length);
void resize_buffer_if_needed(size_t additional_bytes);
void stringify(std::ostream& os, char* start, char const* const end);
private:
size_t m_bytes_used{0};
size_t m_buffer_size{0};
std::unique_ptr<char[]> m_heap_buffer;
bool m_logAll;
char m_stack_buffer[256 - sizeof(bool) - 2 * sizeof(size_t) -
sizeof(decltype(m_heap_buffer)) - 8 /* Reserved */];
};
struct VDebugServer {
/*
* Ideally this should have been operator+=
* Could not get that to compile, so here we are...
*/
bool operator==(VDebug&);
};
void set_log_level(LogLevel level);
bool is_logged(LogLevel level);
/*
* Non guaranteed logging. Uses a ring buffer to hold log lines.
* When the ring gets full, the previous log line in the slot will be dropped.
* Does not block producer even if the ring buffer is full.
* ring_buffer_size_mb - LogLines are pushed into a mpsc ring buffer whose size
* is determined by this parameter. Since each LogLine is 256 bytes,
* ring_buffer_size = ring_buffer_size_mb * 1024 * 1024 / 256
*/
struct NonGuaranteedLogger {
NonGuaranteedLogger(uint32_t ring_buffer_size_mb_)
: ring_buffer_size_mb(ring_buffer_size_mb_)
{
}
uint32_t ring_buffer_size_mb;
};
/*
* Provides a guarantee log lines will not be dropped.
*/
struct GuaranteedLogger {
};
/*
* Ensure initialize() is called prior to any log statements.
* log_directory - where to create the logs. For example - "/tmp/"
* log_file_name - root of the file name. For example - "nanolog"
* This will create log files of the form -
* /tmp/nanolog.1.txt
* /tmp/nanolog.2.txt
* etc.
* log_file_roll_size_mb - mega bytes after which we roll to next log file.
*/
void initialize(GuaranteedLogger gl, std::string const& log_directory,
std::string const& log_file_name,
uint32_t log_file_roll_size_mb);
void initialize(NonGuaranteedLogger ngl, std::string const& log_directory,
std::string const& log_file_name,
uint32_t log_file_roll_size_mb);
#define VDEBUG_LOG(LEVEL) \
VDebugServer() == VDebug(LEVEL, __FILE__, __func__, __LINE__).debug()
#define vDebug is_logged(LogLevel::INFO) && VDEBUG_LOG(LogLevel::INFO)
#define vWarning is_logged(LogLevel::WARN) && VDEBUG_LOG(LogLevel::WARN)
#define vCritical is_logged(LogLevel::CRIT) && VDEBUG_LOG(LogLevel::CRIT)
#else
struct VDebug
{
template<typename Args>
VDebug& operator<<(const Args &){return *this;}
};
#define vDebug VDebug()
#define vWarning VDebug()
#define vCritical VDebug()
#endif //LOTTIE_LOGGING_SUPPORT
#endif // VDEBUG_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "vector_vdrawable.h"
#include "vector_vdasher.h"
#include "vector_vraster.h"
VDrawable::VDrawable(VDrawable::Type type)
{
setType(type);
}
VDrawable::~VDrawable() noexcept
{
if (mStrokeInfo) {
if (mType == Type::StrokeWithDash) {
delete static_cast<StrokeWithDashInfo *>(mStrokeInfo);
} else {
delete mStrokeInfo;
}
}
}
void VDrawable::setType(VDrawable::Type type)
{
mType = type;
if (mType == VDrawable::Type::Stroke) {
mStrokeInfo = new StrokeInfo();
} else if (mType == VDrawable::Type::StrokeWithDash) {
mStrokeInfo = new StrokeWithDashInfo();
}
}
void VDrawable::applyDashOp()
{
if (mStrokeInfo && (mType == Type::StrokeWithDash)) {
auto obj = static_cast<StrokeWithDashInfo *>(mStrokeInfo);
if (!obj->mDash.empty()) {
VDasher dasher(obj->mDash.data(), obj->mDash.size());
mPath.clone(dasher.dashed(mPath));
}
}
}
void VDrawable::preprocess(const VRect &clip)
{
if (mFlag & (DirtyState::Path)) {
if (mType == Type::Fill) {
mRasterizer.rasterize(std::move(mPath), mFillRule, clip);
} else {
applyDashOp();
mRasterizer.rasterize(std::move(mPath), mStrokeInfo->cap, mStrokeInfo->join,
mStrokeInfo->width, mStrokeInfo->miterLimit, clip);
}
mPath = {};
mFlag &= ~DirtyFlag(DirtyState::Path);
}
}
VRle VDrawable::rle()
{
return mRasterizer.rle();
}
void VDrawable::setStrokeInfo(CapStyle cap, JoinStyle join, float miterLimit,
float strokeWidth)
{
assert(mStrokeInfo);
if ((mStrokeInfo->cap == cap) && (mStrokeInfo->join == join) &&
vCompare(mStrokeInfo->miterLimit, miterLimit) &&
vCompare(mStrokeInfo->width, strokeWidth))
return;
mStrokeInfo->cap = cap;
mStrokeInfo->join = join;
mStrokeInfo->miterLimit = miterLimit;
mStrokeInfo->width = strokeWidth;
mFlag |= DirtyState::Path;
}
void VDrawable::setDashInfo(std::vector<float> &dashInfo)
{
assert(mStrokeInfo);
assert(mType == VDrawable::Type::StrokeWithDash);
auto obj = static_cast<StrokeWithDashInfo *>(mStrokeInfo);
bool hasChanged = false;
if (obj->mDash.size() == dashInfo.size()) {
for (uint i = 0; i < dashInfo.size(); ++i) {
if (!vCompare(obj->mDash[i], dashInfo[i])) {
hasChanged = true;
break;
}
}
} else {
hasChanged = true;
}
if (!hasChanged) return;
obj->mDash = dashInfo;
mFlag |= DirtyState::Path;
}
void VDrawable::setPath(const VPath &path)
{
mPath = path;
mFlag |= DirtyState::Path;
}

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VDRAWABLE_H
#define VDRAWABLE_H
#include <future>
#include <cstring>
#include "vector_vbrush.h"
#include "vector_vpath.h"
#include "vector_vrle.h"
#include "vector_vraster.h"
class VDrawable {
public:
enum class DirtyState : unsigned char {
None = 1<<0,
Path = 1<<1,
Stroke = 1<<2,
Brush = 1<<3,
All = (Path | Stroke | Brush)
};
enum class Type : unsigned char{
Fill,
Stroke,
StrokeWithDash
};
explicit VDrawable(VDrawable::Type type = Type::Fill);
void setType(VDrawable::Type type);
~VDrawable() noexcept;
typedef vFlag<DirtyState> DirtyFlag;
void setPath(const VPath &path);
void setFillRule(FillRule rule) { mFillRule = rule; }
void setBrush(const VBrush &brush) { mBrush = brush; }
void setStrokeInfo(CapStyle cap, JoinStyle join, float miterLimit,
float strokeWidth);
void setDashInfo(std::vector<float> &dashInfo);
void preprocess(const VRect &clip);
void applyDashOp();
VRle rle();
void setName(const char *name)
{
mName = name;
}
const char* name() const { return mName; }
public:
struct StrokeInfo {
float width{0.0};
float miterLimit{10};
CapStyle cap{CapStyle::Flat};
JoinStyle join{JoinStyle::Bevel};
};
struct StrokeWithDashInfo : public StrokeInfo{
std::vector<float> mDash;
};
public:
VPath mPath;
VBrush mBrush;
VRasterizer mRasterizer;
StrokeInfo *mStrokeInfo{nullptr};
DirtyFlag mFlag{DirtyState::All};
FillRule mFillRule{FillRule::Winding};
VDrawable::Type mType{Type::Fill};
const char *mName{nullptr};
};
#endif // VDRAWABLE_H

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#include "config.h"
/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "vector_vdrawhelper.h"
#include <algorithm>
#include <climits>
#include <cstring>
#include <mutex>
#include <unordered_map>
#include <array>
static RenderFuncTable RenderTable;
void VTextureData::setClip(const VRect &clip)
{
left = clip.left();
top = clip.top();
right = std::min(clip.right(), int(width())) - 1;
bottom = std::min(clip.bottom(), int(height())) - 1;
}
class VGradientCache {
public:
struct CacheInfo : public VColorTable {
inline CacheInfo(VGradientStops s) : stops(std::move(s)) {}
VGradientStops stops;
};
using VCacheData = std::shared_ptr<const CacheInfo>;
using VCacheKey = int64_t;
using VGradientColorTableHash =
std::unordered_multimap<VCacheKey, VCacheData>;
bool generateGradientColorTable(const VGradientStops &stops, float alpha,
uint32_t *colorTable, int size);
VCacheData getBuffer(const VGradient &gradient)
{
VCacheKey hash_val = 0;
VCacheData info;
const VGradientStops &stops = gradient.mStops;
for (uint i = 0; i < stops.size() && i <= 2; i++)
hash_val +=
VCacheKey(stops[i].second.premulARGB() * gradient.alpha());
{
std::lock_guard<std::mutex> guard(mMutex);
size_t count = mCache.count(hash_val);
if (!count) {
// key is not present in the hash
info = addCacheElement(hash_val, gradient);
} else if (count == 1) {
auto search = mCache.find(hash_val);
if (search->second->stops == stops) {
info = search->second;
} else {
// didn't find an exact match
info = addCacheElement(hash_val, gradient);
}
} else {
// we have a multiple data with same key
auto range = mCache.equal_range(hash_val);
for (auto it = range.first; it != range.second; ++it) {
if (it->second->stops == stops) {
info = it->second;
break;
}
}
if (!info) {
// didn't find an exact match
info = addCacheElement(hash_val, gradient);
}
}
}
return info;
}
static VGradientCache &instance()
{
static VGradientCache CACHE;
return CACHE;
}
protected:
uint maxCacheSize() const { return 60; }
VCacheData addCacheElement(VCacheKey hash_val, const VGradient &gradient)
{
if (mCache.size() == maxCacheSize()) {
uint count = maxCacheSize() / 10;
while (count--) {
mCache.erase(mCache.begin());
}
}
auto cache_entry = std::make_shared<CacheInfo>(gradient.mStops);
cache_entry->alpha = generateGradientColorTable(
gradient.mStops, gradient.alpha(), cache_entry->buffer32,
VGradient::colorTableSize);
mCache.insert(std::make_pair(hash_val, cache_entry));
return cache_entry;
}
private:
VGradientCache() = default;
VGradientColorTableHash mCache;
std::mutex mMutex;
};
bool VGradientCache::generateGradientColorTable(const VGradientStops &stops,
float opacity,
uint32_t *colorTable, int size)
{
int dist, idist, pos = 0;
size_t i;
bool alpha = false;
size_t stopCount = stops.size();
const VGradientStop *curr, *next, *start;
uint32_t curColor, nextColor;
float delta, t, incr, fpos;
if (!vCompare(opacity, 1.0f)) alpha = true;
start = stops.data();
curr = start;
if (!curr->second.isOpaque()) alpha = true;
curColor = curr->second.premulARGB(opacity);
incr = 1.0f / (float)size;
fpos = 1.5f * incr;
colorTable[pos++] = curColor;
while (fpos <= curr->first) {
colorTable[pos] = colorTable[pos - 1];
pos++;
fpos += incr;
}
for (i = 0; i < stopCount - 1; ++i) {
curr = (start + i);
next = (start + i + 1);
delta = 1 / (next->first - curr->first);
if (!next->second.isOpaque()) alpha = true;
nextColor = next->second.premulARGB(opacity);
while (fpos < next->first && pos < size) {
t = (fpos - curr->first) * delta;
dist = (int)(255 * t);
idist = 255 - dist;
colorTable[pos] =
interpolate_pixel(curColor, idist, nextColor, dist);
++pos;
fpos += incr;
}
curColor = nextColor;
}
for (; pos < size; ++pos) colorTable[pos] = curColor;
// Make sure the last color stop is represented at the end of the table
colorTable[size - 1] = curColor;
return alpha;
}
void VRasterBuffer::clear()
{
memset(mBuffer, 0, mHeight * mBytesPerLine);
}
VBitmap::Format VRasterBuffer::prepare(const VBitmap *image)
{
mBuffer = image->data();
mWidth = image->width();
mHeight = image->height();
mBytesPerPixel = 4;
mBytesPerLine = image->stride();
mFormat = image->format();
return mFormat;
}
void VSpanData::init(VRasterBuffer *image)
{
mRasterBuffer = image;
setDrawRegion(VRect(0, 0, int(image->width()), int(image->height())));
mType = VSpanData::Type::None;
mBlendFunc = nullptr;
mUnclippedBlendFunc = nullptr;
}
/*
* Gradient Draw routines
*
*/
#define FIXPT_BITS 8
#define FIXPT_SIZE (1 << FIXPT_BITS)
static inline void getLinearGradientValues(LinearGradientValues *v,
const VSpanData * data)
{
const VGradientData *grad = &data->mGradient;
v->dx = grad->linear.x2 - grad->linear.x1;
v->dy = grad->linear.y2 - grad->linear.y1;
v->l = v->dx * v->dx + v->dy * v->dy;
v->off = 0;
if (v->l != 0) {
v->dx /= v->l;
v->dy /= v->l;
v->off = -v->dx * grad->linear.x1 - v->dy * grad->linear.y1;
}
}
static inline void getRadialGradientValues(RadialGradientValues *v,
const VSpanData * data)
{
const VGradientData &gradient = data->mGradient;
v->dx = gradient.radial.cx - gradient.radial.fx;
v->dy = gradient.radial.cy - gradient.radial.fy;
v->dr = gradient.radial.cradius - gradient.radial.fradius;
v->sqrfr = gradient.radial.fradius * gradient.radial.fradius;
v->a = v->dr * v->dr - v->dx * v->dx - v->dy * v->dy;
v->inv2a = 1 / (2 * v->a);
v->extended = !vIsZero(gradient.radial.fradius) || v->a <= 0;
}
static inline int gradientClamp(const VGradientData *grad, int ipos)
{
int limit;
if (grad->mSpread == VGradient::Spread::Repeat) {
ipos = ipos % VGradient::colorTableSize;
ipos = ipos < 0 ? VGradient::colorTableSize + ipos : ipos;
} else if (grad->mSpread == VGradient::Spread::Reflect) {
limit = VGradient::colorTableSize * 2;
ipos = ipos % limit;
ipos = ipos < 0 ? limit + ipos : ipos;
ipos = ipos >= VGradient::colorTableSize ? limit - 1 - ipos : ipos;
} else {
if (ipos < 0)
ipos = 0;
else if (ipos >= VGradient::colorTableSize)
ipos = VGradient::colorTableSize - 1;
}
return ipos;
}
static uint32_t gradientPixelFixed(const VGradientData *grad, int fixed_pos)
{
int ipos = (fixed_pos + (FIXPT_SIZE / 2)) >> FIXPT_BITS;
return grad->mColorTable[gradientClamp(grad, ipos)];
}
static inline uint32_t gradientPixel(const VGradientData *grad, float pos)
{
int ipos = (int)(pos * (VGradient::colorTableSize - 1) + (float)(0.5));
return grad->mColorTable[gradientClamp(grad, ipos)];
}
void fetch_linear_gradient(uint32_t *buffer, const Operator *op,
const VSpanData *data, int y, int x, int length)
{
float t, inc;
const VGradientData *gradient = &data->mGradient;
bool affine = true;
float rx = 0, ry = 0;
if (op->linear.l == 0) {
t = inc = 0;
} else {
rx = data->m21 * (y + float(0.5)) + data->m11 * (x + float(0.5)) +
data->dx;
ry = data->m22 * (y + float(0.5)) + data->m12 * (x + float(0.5)) +
data->dy;
t = op->linear.dx * rx + op->linear.dy * ry + op->linear.off;
inc = op->linear.dx * data->m11 + op->linear.dy * data->m12;
affine = !data->m13 && !data->m23;
if (affine) {
t *= (VGradient::colorTableSize - 1);
inc *= (VGradient::colorTableSize - 1);
}
}
const uint32_t *end = buffer + length;
if (affine) {
if (inc > float(-1e-5) && inc < float(1e-5)) {
memfill32(buffer, gradientPixelFixed(gradient, int(t * FIXPT_SIZE)),
length);
} else {
if (t + inc * length < float(INT_MAX >> (FIXPT_BITS + 1)) &&
t + inc * length > float(INT_MIN >> (FIXPT_BITS + 1))) {
// we can use fixed point math
int t_fixed = int(t * FIXPT_SIZE);
int inc_fixed = int(inc * FIXPT_SIZE);
while (buffer < end) {
*buffer = gradientPixelFixed(gradient, t_fixed);
t_fixed += inc_fixed;
++buffer;
}
} else {
// we have to fall back to float math
while (buffer < end) {
*buffer =
gradientPixel(gradient, t / VGradient::colorTableSize);
t += inc;
++buffer;
}
}
}
} else { // fall back to float math here as well
float rw = data->m23 * (y + float(0.5)) + data->m13 * (x + float(0.5)) +
data->m33;
while (buffer < end) {
float xt = rx / rw;
float yt = ry / rw;
t = (op->linear.dx * xt + op->linear.dy * yt) + op->linear.off;
*buffer = gradientPixel(gradient, t);
rx += data->m11;
ry += data->m12;
rw += data->m13;
if (!rw) {
rw += data->m13;
}
++buffer;
}
}
}
static inline float radialDeterminant(float a, float b, float c)
{
return (b * b) - (4 * a * c);
}
static void fetch(uint32_t *buffer, uint32_t *end, const Operator *op,
const VSpanData *data, float det, float delta_det,
float delta_delta_det, float b, float delta_b)
{
if (op->radial.extended) {
while (buffer < end) {
uint32_t result = 0;
if (det >= 0) {
float w = std::sqrt(det) - b;
if (data->mGradient.radial.fradius + op->radial.dr * w >= 0)
result = gradientPixel(&data->mGradient, w);
}
*buffer = result;
det += delta_det;
delta_det += delta_delta_det;
b += delta_b;
++buffer;
}
} else {
while (buffer < end) {
*buffer++ = gradientPixel(&data->mGradient, std::sqrt(det) - b);
det += delta_det;
delta_det += delta_delta_det;
b += delta_b;
}
}
}
void fetch_radial_gradient(uint32_t *buffer, const Operator *op,
const VSpanData *data, int y, int x, int length)
{
// avoid division by zero
if (vIsZero(op->radial.a)) {
memfill32(buffer, 0, length);
return;
}
float rx =
data->m21 * (y + float(0.5)) + data->dx + data->m11 * (x + float(0.5));
float ry =
data->m22 * (y + float(0.5)) + data->dy + data->m12 * (x + float(0.5));
bool affine = !data->m13 && !data->m23;
uint32_t *end = buffer + length;
if (affine) {
rx -= data->mGradient.radial.fx;
ry -= data->mGradient.radial.fy;
float inv_a = 1 / float(2 * op->radial.a);
const float delta_rx = data->m11;
const float delta_ry = data->m12;
float b = 2 * (op->radial.dr * data->mGradient.radial.fradius +
rx * op->radial.dx + ry * op->radial.dy);
float delta_b =
2 * (delta_rx * op->radial.dx + delta_ry * op->radial.dy);
const float b_delta_b = 2 * b * delta_b;
const float delta_b_delta_b = 2 * delta_b * delta_b;
const float bb = b * b;
const float delta_bb = delta_b * delta_b;
b *= inv_a;
delta_b *= inv_a;
const float rxrxryry = rx * rx + ry * ry;
const float delta_rxrxryry = delta_rx * delta_rx + delta_ry * delta_ry;
const float rx_plus_ry = 2 * (rx * delta_rx + ry * delta_ry);
const float delta_rx_plus_ry = 2 * delta_rxrxryry;
inv_a *= inv_a;
float det =
(bb - 4 * op->radial.a * (op->radial.sqrfr - rxrxryry)) * inv_a;
float delta_det = (b_delta_b + delta_bb +
4 * op->radial.a * (rx_plus_ry + delta_rxrxryry)) *
inv_a;
const float delta_delta_det =
(delta_b_delta_b + 4 * op->radial.a * delta_rx_plus_ry) * inv_a;
fetch(buffer, end, op, data, det, delta_det, delta_delta_det, b,
delta_b);
} else {
float rw = data->m23 * (y + float(0.5)) + data->m33 +
data->m13 * (x + float(0.5));
while (buffer < end) {
if (rw == 0) {
*buffer = 0;
} else {
float invRw = 1 / rw;
float gx = rx * invRw - data->mGradient.radial.fx;
float gy = ry * invRw - data->mGradient.radial.fy;
float b = 2 * (op->radial.dr * data->mGradient.radial.fradius +
gx * op->radial.dx + gy * op->radial.dy);
float det = radialDeterminant(
op->radial.a, b, op->radial.sqrfr - (gx * gx + gy * gy));
uint32_t result = 0;
if (det >= 0) {
float detSqrt = std::sqrt(det);
float s0 = (-b - detSqrt) * op->radial.inv2a;
float s1 = (-b + detSqrt) * op->radial.inv2a;
float s = vMax(s0, s1);
if (data->mGradient.radial.fradius + op->radial.dr * s >= 0)
result = gradientPixel(&data->mGradient, s);
}
*buffer = result;
}
rx += data->m11;
ry += data->m12;
rw += data->m13;
++buffer;
}
}
}
static inline Operator getOperator(const VSpanData *data)
{
Operator op;
bool solidSource = false;
switch (data->mType) {
case VSpanData::Type::Solid:
solidSource = (vAlpha(data->mSolid) == 255);
op.srcFetch = nullptr;
break;
case VSpanData::Type::LinearGradient:
solidSource = false;
getLinearGradientValues(&op.linear, data);
op.srcFetch = &fetch_linear_gradient;
break;
case VSpanData::Type::RadialGradient:
solidSource = false;
getRadialGradientValues(&op.radial, data);
op.srcFetch = &fetch_radial_gradient;
break;
default:
op.srcFetch = nullptr;
break;
}
op.mode = data->mBlendMode;
if (op.mode == BlendMode::SrcOver && solidSource) op.mode = BlendMode::Src;
op.funcSolid = RenderTable.color(op.mode);
op.func = RenderTable.src(op.mode);
return op;
}
static void blend_color(size_t size, const VRle::Span *array, void *userData)
{
VSpanData *data = (VSpanData *)(userData);
Operator op = getOperator(data);
const uint color = data->mSolid;
for (size_t i = 0 ; i < size; ++i) {
const auto &span = array[i];
op.funcSolid(data->buffer(span.x, span.y), span.len, color, span.coverage);
}
}
// Signature of Process Object
// void Pocess(uint* scratchBuffer, size_t x, size_t y, uchar cov)
template <class Process>
static inline void process_in_chunk(const VRle::Span *array, size_t size,
Process process)
{
std::array<uint, 2048> buf;
for (size_t i = 0; i < size; i++) {
const auto &span = array[i];
size_t len = span.len;
auto x = span.x;
while (len) {
auto l = std::min(len, buf.size());
process(buf.data(), x, span.y, l, span.coverage);
x += l;
len -= l;
}
}
}
static void blend_gradient(size_t size, const VRle::Span *array,
void *userData)
{
VSpanData *data = (VSpanData *)(userData);
Operator op = getOperator(data);
if (!op.srcFetch) return;
process_in_chunk(
array, size,
[&](uint *scratch, size_t x, size_t y, size_t len, uchar cov) {
op.srcFetch(scratch, &op, data, (int)y, (int)x, (int)len);
op.func(data->buffer((int)x, (int)y), (int)len, scratch, cov);
});
}
template <class T>
constexpr const T &clamp(const T &v, const T &lo, const T &hi)
{
return v < lo ? lo : hi < v ? hi : v;
}
static constexpr inline uchar alpha_mul(uchar a, uchar b)
{
return ((a * b) >> 8);
}
static void blend_image_xform(size_t size, const VRle::Span *array,
void *userData)
{
const auto data = reinterpret_cast<const VSpanData *>(userData);
const auto &src = data->texture();
if (src.format() != VBitmap::Format::ARGB32_Premultiplied &&
src.format() != VBitmap::Format::ARGB32) {
//@TODO other formats not yet handled.
return;
}
Operator op = getOperator(data);
process_in_chunk(
array, size,
[&](uint *scratch, size_t x, size_t y, size_t len, uchar cov) {
const auto coverage = (cov * src.alpha()) >> 8;
const float xfactor = y * data->m21 + data->dx + data->m11;
const float yfactor = y * data->m22 + data->dy + data->m12;
for (size_t i = 0; i < len; i++) {
const float fx = (x + i) * data->m11 + xfactor;
const float fy = (x + i) * data->m12 + yfactor;
const int px = clamp(int(fx), src.left, src.right);
const int py = clamp(int(fy), src.top, src.bottom);
scratch[i] = src.pixel(px, py);
}
op.func(data->buffer((int)x, (int)y), (int)len, scratch, coverage);
});
}
static void blend_image(size_t size, const VRle::Span *array, void *userData)
{
const auto data = reinterpret_cast<const VSpanData *>(userData);
const auto &src = data->texture();
if (src.format() != VBitmap::Format::ARGB32_Premultiplied &&
src.format() != VBitmap::Format::ARGB32) {
//@TODO other formats not yet handled.
return;
}
Operator op = getOperator(data);
for (size_t i = 0; i < size; i++) {
const auto &span = array[i];
int x = span.x;
int length = span.len;
int sx = x + int(data->dx);
int sy = span.y + int(data->dy);
// notyhing to copy.
if (sy < 0 || sy >= int(src.height()) || sx >= int(src.width()) ||
(sx + length) <= 0)
continue;
// intersecting left edge of image
if (sx < 0) {
x -= sx;
length += sx;
sx = 0;
}
// intersecting right edge of image
if (sx + length > int(src.width())) length = (int)src.width() - sx;
op.func(data->buffer(x, span.y), length, src.pixelRef(sx, sy),
alpha_mul(span.coverage, src.alpha()));
}
}
void VSpanData::setup(const VBrush &brush, BlendMode /*mode*/, int /*alpha*/)
{
transformType = VMatrix::MatrixType::None;
switch (brush.type()) {
case VBrush::Type::NoBrush:
mType = VSpanData::Type::None;
break;
case VBrush::Type::Solid:
mType = VSpanData::Type::Solid;
mSolid = brush.mColor.premulARGB();
break;
case VBrush::Type::LinearGradient: {
mType = VSpanData::Type::LinearGradient;
mColorTable = VGradientCache::instance().getBuffer(*brush.mGradient);
mGradient.mColorTable = mColorTable->buffer32;
mGradient.mColorTableAlpha = mColorTable->alpha;
mGradient.linear.x1 = brush.mGradient->linear.x1;
mGradient.linear.y1 = brush.mGradient->linear.y1;
mGradient.linear.x2 = brush.mGradient->linear.x2;
mGradient.linear.y2 = brush.mGradient->linear.y2;
mGradient.mSpread = brush.mGradient->mSpread;
setupMatrix(brush.mGradient->mMatrix);
break;
}
case VBrush::Type::RadialGradient: {
mType = VSpanData::Type::RadialGradient;
mColorTable = VGradientCache::instance().getBuffer(*brush.mGradient);
mGradient.mColorTable = mColorTable->buffer32;
mGradient.mColorTableAlpha = mColorTable->alpha;
mGradient.radial.cx = brush.mGradient->radial.cx;
mGradient.radial.cy = brush.mGradient->radial.cy;
mGradient.radial.fx = brush.mGradient->radial.fx;
mGradient.radial.fy = brush.mGradient->radial.fy;
mGradient.radial.cradius = brush.mGradient->radial.cradius;
mGradient.radial.fradius = brush.mGradient->radial.fradius;
mGradient.mSpread = brush.mGradient->mSpread;
setupMatrix(brush.mGradient->mMatrix);
break;
}
case VBrush::Type::Texture: {
mType = VSpanData::Type::Texture;
initTexture(&brush.mTexture->mBitmap, brush.mTexture->mAlpha,
brush.mTexture->mBitmap.rect());
setupMatrix(brush.mTexture->mMatrix);
break;
}
default:
break;
}
updateSpanFunc();
}
void VSpanData::setupMatrix(const VMatrix &matrix)
{
VMatrix inv = matrix.inverted();
m11 = inv.m11;
m12 = inv.m12;
m13 = inv.m13;
m21 = inv.m21;
m22 = inv.m22;
m23 = inv.m23;
m33 = inv.m33;
dx = inv.mtx;
dy = inv.mty;
transformType = inv.type();
const bool affine = inv.isAffine();
const float f1 = m11 * m11 + m21 * m21;
const float f2 = m12 * m12 + m22 * m22;
fast_matrix = affine && f1 < 1e4 && f2 < 1e4 && f1 > (1.0 / 65536) &&
f2 > (1.0 / 65536) && fabs(dx) < 1e4 && fabs(dy) < 1e4;
}
void VSpanData::initTexture(const VBitmap *bitmap, int alpha,
const VRect &sourceRect)
{
mType = VSpanData::Type::Texture;
mTexture.prepare(bitmap);
mTexture.setClip(sourceRect);
mTexture.setAlpha(alpha);
updateSpanFunc();
}
void VSpanData::updateSpanFunc()
{
switch (mType) {
case VSpanData::Type::None:
mUnclippedBlendFunc = nullptr;
break;
case VSpanData::Type::Solid:
mUnclippedBlendFunc = &blend_color;
break;
case VSpanData::Type::LinearGradient:
case VSpanData::Type::RadialGradient: {
mUnclippedBlendFunc = &blend_gradient;
break;
}
case VSpanData::Type::Texture: {
//@TODO update proper image function.
if (transformType <= VMatrix::MatrixType::Translate) {
mUnclippedBlendFunc = &blend_image;
} else {
mUnclippedBlendFunc = &blend_image_xform;
}
break;
}
}
}
#if !defined(__SSE2__) && !defined(USE_ARM_NEON)
void memfill32(uint32_t *dest, uint32_t value, int length)
{
// let compiler do the auto vectorization.
for (int i = 0 ; i < length; i++) {
*dest++ = value;
}
}
#endif

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vendor/github.com/Benau/go_rlottie/vector_vdrawhelper.h generated vendored Normal file
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@ -0,0 +1,270 @@
/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VDRAWHELPER_H
#define VDRAWHELPER_H
#include <memory>
#include <array>
#include "assert.h"
#include "vector_vbitmap.h"
#include "vector_vbrush.h"
#include "vector_vrect.h"
#include "vector_vrle.h"
V_USE_NAMESPACE
struct VSpanData;
struct Operator;
struct RenderFunc
{
using Color = void (*)(uint32_t *dest, int length, uint32_t color, uint32_t alpha);
using Src = void (*)(uint32_t *dest, int length, const uint32_t *src, uint32_t alpha);
enum class Type {
Invalid,
Color,
Src,
};
RenderFunc() = default;
RenderFunc(Type t, Color f):type_(t), color_(f){assert(t == Type::Color);}
RenderFunc(Type t, Src f):type_(t), src_(f){ assert(t == Type::Src);}
Type type_{Type::Invalid};
union {
Color color_;
Src src_;
};
};
class RenderFuncTable
{
public:
RenderFuncTable();
RenderFunc::Color color(BlendMode mode) const
{
return colorTable[uint32_t(mode)].color_;
}
RenderFunc::Src src(BlendMode mode) const
{
return srcTable[uint32_t(mode)].src_;
}
private:
void neon();
void sse();
void updateColor(BlendMode mode, RenderFunc::Color f)
{
colorTable[uint32_t(mode)] = {RenderFunc::Type::Color, f};
}
void updateSrc(BlendMode mode, RenderFunc::Src f)
{
srcTable[uint32_t(mode)] = {RenderFunc::Type::Src, f};
}
private:
std::array<RenderFunc, uint32_t(BlendMode::Last)> colorTable;
std::array<RenderFunc, uint32_t(BlendMode::Last)> srcTable;
};
typedef void (*SourceFetchProc)(uint32_t *buffer, const Operator *o,
const VSpanData *data, int y, int x,
int length);
typedef void (*ProcessRleSpan)(size_t count, const VRle::Span *spans,
void *userData);
extern void memfill32(uint32_t *dest, uint32_t value, int count);
struct LinearGradientValues {
float dx;
float dy;
float l;
float off;
};
struct RadialGradientValues {
float dx;
float dy;
float dr;
float sqrfr;
float a;
float inv2a;
bool extended;
};
struct Operator {
BlendMode mode;
SourceFetchProc srcFetch;
RenderFunc::Color funcSolid;
RenderFunc::Src func;
union {
LinearGradientValues linear;
RadialGradientValues radial;
};
};
class VRasterBuffer {
public:
VBitmap::Format prepare(const VBitmap *image);
void clear();
void resetBuffer(int val = 0);
inline uchar *scanLine(int y)
{
assert(y >= 0);
assert(size_t(y) < mHeight);
return mBuffer + y * mBytesPerLine;
}
uint32_t *pixelRef(int x, int y) const
{
return (uint32_t *)(mBuffer + y * mBytesPerLine + x * mBytesPerPixel);
}
size_t width() const { return mWidth; }
size_t height() const { return mHeight; }
size_t bytesPerLine() const { return mBytesPerLine; }
size_t bytesPerPixel() const { return mBytesPerPixel; }
VBitmap::Format format() const { return mFormat; }
private:
VBitmap::Format mFormat{VBitmap::Format::ARGB32_Premultiplied};
size_t mWidth{0};
size_t mHeight{0};
size_t mBytesPerLine{0};
size_t mBytesPerPixel{0};
mutable uchar * mBuffer{nullptr};
};
struct VGradientData {
VGradient::Spread mSpread;
struct Linear {
float x1, y1, x2, y2;
};
struct Radial {
float cx, cy, fx, fy, cradius, fradius;
};
union {
Linear linear;
Radial radial;
};
const uint32_t *mColorTable;
bool mColorTableAlpha;
};
struct VTextureData : public VRasterBuffer {
uint32_t pixel(int x, int y) const { return *pixelRef(x, y); };
uchar alpha() const { return mAlpha; }
void setAlpha(uchar alpha) { mAlpha = alpha; }
void setClip(const VRect &clip);
// clip rect
int left;
int right;
int top;
int bottom;
bool hasAlpha;
uchar mAlpha;
};
struct VColorTable {
uint32_t buffer32[VGradient::colorTableSize];
bool alpha{true};
};
struct VSpanData {
enum class Type { None, Solid, LinearGradient, RadialGradient, Texture };
void updateSpanFunc();
void init(VRasterBuffer *image);
void setup(const VBrush &brush, BlendMode mode = BlendMode::SrcOver,
int alpha = 255);
void setupMatrix(const VMatrix &matrix);
VRect clipRect() const
{
return VRect(0, 0, mDrawableSize.width(), mDrawableSize.height());
}
void setDrawRegion(const VRect &region)
{
mOffset = VPoint(region.left(), region.top());
mDrawableSize = VSize(region.width(), region.height());
}
uint *buffer(int x, int y) const
{
return mRasterBuffer->pixelRef(x + mOffset.x(), y + mOffset.y());
}
void initTexture(const VBitmap *image, int alpha, const VRect &sourceRect);
const VTextureData &texture() const { return mTexture; }
BlendMode mBlendMode{BlendMode::SrcOver};
VRasterBuffer * mRasterBuffer;
ProcessRleSpan mBlendFunc;
ProcessRleSpan mUnclippedBlendFunc;
VSpanData::Type mType;
std::shared_ptr<const VColorTable> mColorTable{nullptr};
VPoint mOffset; // offset to the subsurface
VSize mDrawableSize; // suburface size
uint32_t mSolid;
VGradientData mGradient;
VTextureData mTexture;
float m11, m12, m13, m21, m22, m23, m33, dx, dy; // inverse xform matrix
bool fast_matrix{true};
VMatrix::MatrixType transformType{VMatrix::MatrixType::None};
};
#define BYTE_MUL(c, a) \
((((((c) >> 8) & 0x00ff00ff) * (a)) & 0xff00ff00) + \
(((((c)&0x00ff00ff) * (a)) >> 8) & 0x00ff00ff))
inline constexpr int vRed(uint32_t c)
{
return ((c >> 16) & 0xff);
}
inline constexpr int vGreen(uint32_t c)
{
return ((c >> 8) & 0xff);
}
inline constexpr int vBlue(uint32_t c)
{
return (c & 0xff);
}
inline constexpr int vAlpha(uint32_t c)
{
return c >> 24;
}
static inline uint32_t interpolate_pixel(uint x, uint a, uint y, uint b)
{
uint t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;
t >>= 8;
t &= 0xff00ff;
x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;
x &= 0xff00ff00;
x |= t;
return x;
}
#endif // QDRAWHELPER_P_H

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#include "config.h"
/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <cstring>
#include "vector_vdrawhelper.h"
/*
result = s
dest = s * ca + d * cia
*/
static void color_Source(uint32_t *dest, int length, uint32_t color,
uint32_t alpha)
{
int ialpha, i;
if (alpha == 255) {
memfill32(dest, color, length);
} else {
ialpha = 255 - alpha;
color = BYTE_MUL(color, alpha);
for (i = 0; i < length; ++i)
dest[i] = color + BYTE_MUL(dest[i], ialpha);
}
}
/*
r = s + d * sia
dest = r * ca + d * cia
= (s + d * sia) * ca + d * cia
= s * ca + d * (sia * ca + cia)
= s * ca + d * (1 - sa*ca)
= s' + d ( 1 - s'a)
*/
static void color_SourceOver(uint32_t *dest, int length, uint32_t color,
uint32_t alpha)
{
int ialpha, i;
if (alpha != 255) color = BYTE_MUL(color, alpha);
ialpha = 255 - vAlpha(color);
for (i = 0; i < length; ++i) dest[i] = color + BYTE_MUL(dest[i], ialpha);
}
/*
result = d * sa
dest = d * sa * ca + d * cia
= d * (sa * ca + cia)
*/
static void color_DestinationIn(uint *dest, int length, uint color,
uint alpha)
{
uint a = vAlpha(color);
if (alpha != 255) {
a = BYTE_MUL(a, alpha) + 255 - alpha;
}
for (int i = 0; i < length; ++i) {
dest[i] = BYTE_MUL(dest[i], a);
}
}
/*
result = d * sia
dest = d * sia * ca + d * cia
= d * (sia * ca + cia)
*/
static void color_DestinationOut(uint *dest, int length, uint color,
uint alpha)
{
uint a = vAlpha(~color);
if (alpha != 255) a = BYTE_MUL(a, alpha) + 255 - alpha;
for (int i = 0; i < length; ++i) {
dest[i] = BYTE_MUL(dest[i], a);
}
}
static void src_Source(uint32_t *dest, int length, const uint32_t *src,
uint32_t alpha)
{
if (alpha == 255) {
memcpy(dest, src, size_t(length) * sizeof(uint));
} else {
uint ialpha = 255 - alpha;
for (int i = 0; i < length; ++i) {
dest[i] =
interpolate_pixel(src[i], alpha, dest[i], ialpha);
}
}
}
/* s' = s * ca
* d' = s' + d (1 - s'a)
*/
static void src_SourceOver(uint32_t *dest, int length, const uint32_t *src,
uint32_t alpha)
{
uint s, sia;
if (alpha == 255) {
for (int i = 0; i < length; ++i) {
s = src[i];
if (s >= 0xff000000)
dest[i] = s;
else if (s != 0) {
sia = vAlpha(~s);
dest[i] = s + BYTE_MUL(dest[i], sia);
}
}
} else {
/* source' = source * const_alpha
* dest = source' + dest ( 1- source'a)
*/
for (int i = 0; i < length; ++i) {
s = BYTE_MUL(src[i], alpha);
sia = vAlpha(~s);
dest[i] = s + BYTE_MUL(dest[i], sia);
}
}
}
static void src_DestinationIn(uint *dest, int length, const uint *src,
uint alpha)
{
if (alpha == 255) {
for (int i = 0; i < length; ++i) {
dest[i] = BYTE_MUL(dest[i], vAlpha(src[i]));
}
} else {
uint cia = 255 - alpha;
for (int i = 0; i < length; ++i) {
uint a = BYTE_MUL(vAlpha(src[i]), alpha) + cia;
dest[i] = BYTE_MUL(dest[i], a);
}
}
}
static void src_DestinationOut(uint *dest, int length, const uint *src,
uint alpha)
{
if (alpha == 255) {
for (int i = 0; i < length; ++i) {
dest[i] = BYTE_MUL(dest[i], vAlpha(~src[i]));
}
} else {
uint cia = 255 - alpha;
for (int i = 0; i < length; ++i) {
uint sia = BYTE_MUL(vAlpha(~src[i]), alpha) + cia;
dest[i] = BYTE_MUL(dest[i], sia);
}
}
}
RenderFuncTable::RenderFuncTable()
{
updateColor(BlendMode::Src, color_Source);
updateColor(BlendMode::SrcOver, color_SourceOver);
updateColor(BlendMode::DestIn, color_DestinationIn);
updateColor(BlendMode::DestOut, color_DestinationOut);
updateSrc(BlendMode::Src, src_Source);
updateSrc(BlendMode::SrcOver, src_SourceOver);
updateSrc(BlendMode::DestIn, src_DestinationIn);
updateSrc(BlendMode::DestOut, src_DestinationOut);
#if defined(USE_ARM_NEON)
neon();
#endif
#if defined(__SSE2__)
sse();
#endif
}

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#include "config.h"
#if defined(USE_ARM_NEON)
#include "vector_vdrawhelper.h"
extern "C" void pixman_composite_src_n_8888_asm_neon(int32_t w, int32_t h,
uint32_t *dst,
int32_t dst_stride,
uint32_t src);
extern "C" void pixman_composite_over_n_8888_asm_neon(int32_t w, int32_t h,
uint32_t *dst,
int32_t dst_stride,
uint32_t src);
void memfill32(uint32_t *dest, uint32_t value, int length)
{
pixman_composite_src_n_8888_asm_neon(length, 1, dest, length, value);
}
static void color_SourceOver(uint32_t *dest, int length,
uint32_t color,
uint32_t const_alpha)
{
if (const_alpha != 255) color = BYTE_MUL(color, const_alpha);
pixman_composite_over_n_8888_asm_neon(length, 1, dest, length, color);
}
void RenderFuncTable::neon()
{
updateColor(BlendMode::Src , color_SourceOver);
}
#endif

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vendor/github.com/Benau/go_rlottie/vector_vdrawhelper_sse2.cpp generated vendored Normal file
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#if defined(__SSE2__)
#include <cstring>
#include <emmintrin.h> /* for SSE2 intrinsics */
#include <xmmintrin.h> /* for _mm_shuffle_pi16 and _MM_SHUFFLE */
#include "vector_vdrawhelper.h"
// Each 32bits components of alphaChannel must be in the form 0x00AA00AA
inline static __m128i v4_byte_mul_sse2(__m128i c, __m128i a)
{
const __m128i ag_mask = _mm_set1_epi32(0xFF00FF00);
const __m128i rb_mask = _mm_set1_epi32(0x00FF00FF);
/* for AG */
__m128i v_ag = _mm_and_si128(ag_mask, c);
v_ag = _mm_srli_epi32(v_ag, 8);
v_ag = _mm_mullo_epi16(a, v_ag);
v_ag = _mm_and_si128(ag_mask, v_ag);
/* for RB */
__m128i v_rb = _mm_and_si128(rb_mask, c);
v_rb = _mm_mullo_epi16(a, v_rb);
v_rb = _mm_srli_epi32(v_rb, 8);
v_rb = _mm_and_si128(rb_mask, v_rb);
/* combine */
return _mm_add_epi32(v_ag, v_rb);
}
static inline __m128i v4_interpolate_color_sse2(__m128i a, __m128i c0,
__m128i c1)
{
const __m128i rb_mask = _mm_set1_epi32(0xFF00FF00);
const __m128i zero = _mm_setzero_si128();
__m128i a_l = a;
__m128i a_h = a;
a_l = _mm_unpacklo_epi16(a_l, a_l);
a_h = _mm_unpackhi_epi16(a_h, a_h);
__m128i a_t = _mm_slli_epi64(a_l, 32);
__m128i a_t0 = _mm_slli_epi64(a_h, 32);
a_l = _mm_add_epi32(a_l, a_t);
a_h = _mm_add_epi32(a_h, a_t0);
__m128i c0_l = c0;
__m128i c0_h = c0;
c0_l = _mm_unpacklo_epi8(c0_l, zero);
c0_h = _mm_unpackhi_epi8(c0_h, zero);
__m128i c1_l = c1;
__m128i c1_h = c1;
c1_l = _mm_unpacklo_epi8(c1_l, zero);
c1_h = _mm_unpackhi_epi8(c1_h, zero);
__m128i cl_sub = _mm_sub_epi16(c0_l, c1_l);
__m128i ch_sub = _mm_sub_epi16(c0_h, c1_h);
cl_sub = _mm_mullo_epi16(cl_sub, a_l);
ch_sub = _mm_mullo_epi16(ch_sub, a_h);
__m128i c1ls = _mm_slli_epi16(c1_l, 8);
__m128i c1hs = _mm_slli_epi16(c1_h, 8);
cl_sub = _mm_add_epi16(cl_sub, c1ls);
ch_sub = _mm_add_epi16(ch_sub, c1hs);
cl_sub = _mm_and_si128(cl_sub, rb_mask);
ch_sub = _mm_and_si128(ch_sub, rb_mask);
cl_sub = _mm_srli_epi64(cl_sub, 8);
ch_sub = _mm_srli_epi64(ch_sub, 8);
cl_sub = _mm_packus_epi16(cl_sub, cl_sub);
ch_sub = _mm_packus_epi16(ch_sub, ch_sub);
return (__m128i)_mm_shuffle_ps((__m128)cl_sub, (__m128)ch_sub, 0x44);
}
// Load src and dest vector
#define V4_FETCH_SRC_DEST \
__m128i v_src = _mm_loadu_si128((__m128i*)src); \
__m128i v_dest = _mm_load_si128((__m128i*)dest);
#define V4_FETCH_SRC __m128i v_src = _mm_loadu_si128((__m128i*)src);
#define V4_STORE_DEST _mm_store_si128((__m128i*)dest, v_src);
#define V4_SRC_DEST_LEN_INC \
dest += 4; \
src += 4; \
length -= 4;
// Multiply src color with const_alpha
#define V4_ALPHA_MULTIPLY v_src = v4_byte_mul_sse2(v_src, v_alpha);
// dest = src + dest * sia
#define V4_COMP_OP_SRC \
v_src = v4_interpolate_color_sse2(v_alpha, v_src, v_dest);
#define LOOP_ALIGNED_U1_A4(DEST, LENGTH, UOP, A4OP) \
{ \
while ((uintptr_t)DEST & 0xF && LENGTH) \
UOP \
\
while (LENGTH) \
{ \
switch (LENGTH) { \
case 3: \
case 2: \
case 1: \
UOP break; \
default: \
A4OP break; \
} \
} \
}
void memfill32(uint32_t* dest, uint32_t value, int length)
{
__m128i vector_data = _mm_set_epi32(value, value, value, value);
// run till memory alligned to 16byte memory
while (length && ((uintptr_t)dest & 0xf)) {
*dest++ = value;
length--;
}
while (length >= 32) {
_mm_store_si128((__m128i*)(dest), vector_data);
_mm_store_si128((__m128i*)(dest + 4), vector_data);
_mm_store_si128((__m128i*)(dest + 8), vector_data);
_mm_store_si128((__m128i*)(dest + 12), vector_data);
_mm_store_si128((__m128i*)(dest + 16), vector_data);
_mm_store_si128((__m128i*)(dest + 20), vector_data);
_mm_store_si128((__m128i*)(dest + 24), vector_data);
_mm_store_si128((__m128i*)(dest + 28), vector_data);
dest += 32;
length -= 32;
}
if (length >= 16) {
_mm_store_si128((__m128i*)(dest), vector_data);
_mm_store_si128((__m128i*)(dest + 4), vector_data);
_mm_store_si128((__m128i*)(dest + 8), vector_data);
_mm_store_si128((__m128i*)(dest + 12), vector_data);
dest += 16;
length -= 16;
}
if (length >= 8) {
_mm_store_si128((__m128i*)(dest), vector_data);
_mm_store_si128((__m128i*)(dest + 4), vector_data);
dest += 8;
length -= 8;
}
if (length >= 4) {
_mm_store_si128((__m128i*)(dest), vector_data);
dest += 4;
length -= 4;
}
while (length) {
*dest++ = value;
length--;
}
}
// dest = color + (dest * alpha)
inline static void copy_helper_sse2(uint32_t* dest, int length,
uint32_t color, uint32_t alpha)
{
const __m128i v_color = _mm_set1_epi32(color);
const __m128i v_a = _mm_set1_epi16(alpha);
LOOP_ALIGNED_U1_A4(dest, length,
{ /* UOP */
*dest = color + BYTE_MUL(*dest, alpha);
dest++;
length--;
},
{ /* A4OP */
__m128i v_dest = _mm_load_si128((__m128i*)dest);
v_dest = v4_byte_mul_sse2(v_dest, v_a);
v_dest = _mm_add_epi32(v_dest, v_color);
_mm_store_si128((__m128i*)dest, v_dest);
dest += 4;
length -= 4;
})
}
static void color_Source(uint32_t* dest, int length, uint32_t color,
uint32_t const_alpha)
{
if (const_alpha == 255) {
memfill32(dest, color, length);
} else {
int ialpha;
ialpha = 255 - const_alpha;
color = BYTE_MUL(color, const_alpha);
copy_helper_sse2(dest, length, color, ialpha);
}
}
static void color_SourceOver(uint32_t* dest, int length,
uint32_t color,
uint32_t const_alpha)
{
int ialpha;
if (const_alpha != 255) color = BYTE_MUL(color, const_alpha);
ialpha = 255 - vAlpha(color);
copy_helper_sse2(dest, length, color, ialpha);
}
static void src_Source(uint32_t* dest, int length, const uint32_t* src,
uint32_t const_alpha)
{
int ialpha;
if (const_alpha == 255) {
memcpy(dest, src, length * sizeof(uint32_t));
} else {
ialpha = 255 - const_alpha;
__m128i v_alpha = _mm_set1_epi32(const_alpha);
LOOP_ALIGNED_U1_A4(dest, length,
{ /* UOP */
*dest = interpolate_pixel(*src, const_alpha,
*dest, ialpha);
dest++;
src++;
length--;
},
{/* A4OP */
V4_FETCH_SRC_DEST V4_COMP_OP_SRC V4_STORE_DEST
V4_SRC_DEST_LEN_INC})
}
}
void RenderFuncTable::sse()
{
updateColor(BlendMode::Src , color_Source);
updateColor(BlendMode::SrcOver , color_SourceOver);
updateSrc(BlendMode::Src , src_Source);
}
#endif

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vendor/github.com/Benau/go_rlottie/vector_velapsedtimer.cpp generated vendored Normal file
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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "vector_velapsedtimer.h"
void VElapsedTimer::start()
{
clock = std::chrono::high_resolution_clock::now();
m_valid = true;
}
double VElapsedTimer::restart()
{
double elapsedTime = elapsed();
start();
return elapsedTime;
}
double VElapsedTimer::elapsed() const
{
if (!isValid()) return 0;
return std::chrono::duration<double, std::milli>(
std::chrono::high_resolution_clock::now() - clock)
.count();
}
bool VElapsedTimer::hasExpired(double time)
{
double elapsedTime = elapsed();
if (elapsedTime > time) return true;
return false;
}

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vendor/github.com/Benau/go_rlottie/vector_velapsedtimer.h generated vendored Normal file
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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VELAPSEDTIMER_H
#define VELAPSEDTIMER_H
#include <chrono>
#include "vector_vglobal.h"
class VElapsedTimer {
public:
double elapsed() const;
bool hasExpired(double millsec);
void start();
double restart();
inline bool isValid() const { return m_valid; }
private:
std::chrono::high_resolution_clock::time_point clock;
bool m_valid{false};
};
#endif // VELAPSEDTIMER_H

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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VGLOBAL_H
#define VGLOBAL_H
#include <cmath>
#include <cstdint>
#include <iostream>
#include <type_traits>
#include <utility>
using uint = uint32_t;
using ushort = uint16_t;
using uchar = uint8_t;
#if !defined(V_NAMESPACE)
#define V_USE_NAMESPACE
#define V_BEGIN_NAMESPACE
#define V_END_NAMESPACE
#else /* user namespace */
#define V_USE_NAMESPACE using namespace ::V_NAMESPACE;
#define V_BEGIN_NAMESPACE namespace V_NAMESPACE {
#define V_END_NAMESPACE }
#endif
#ifndef __has_attribute
# define __has_attribute(x) 0
#endif /* !__has_attribute */
#if __has_attribute(unused)
# define V_UNUSED __attribute__((__unused__))
#else
# define V_UNUSED
#endif /* V_UNUSED */
#if __has_attribute(warn_unused_result)
# define V_REQUIRED_RESULT __attribute__((__warn_unused_result__))
#else
# define V_REQUIRED_RESULT
#endif /* V_REQUIRED_RESULT */
#define V_CONSTEXPR constexpr
#define V_NOTHROW noexcept
#include "vector_vdebug.h"
#if __GNUC__ >= 7
#define VECTOR_FALLTHROUGH __attribute__ ((fallthrough));
#else
#define VECTOR_FALLTHROUGH
#endif
#ifdef LOTTIE_THREAD_SUPPORT
#define vthread_local thread_local
#else
#define vthread_local
#endif
#if defined(_MSC_VER)
#define V_ALWAYS_INLINE __forceinline
#else
#define V_ALWAYS_INLINE __attribute__((always_inline))
#endif
template <typename T>
V_CONSTEXPR inline const T &vMin(const T &a, const T &b)
{
return (a < b) ? a : b;
}
template <typename T>
V_CONSTEXPR inline const T &vMax(const T &a, const T &b)
{
return (a < b) ? b : a;
}
static const double EPSILON_DOUBLE = 0.000000000001f;
static const float EPSILON_FLOAT = 0.000001f;
static inline bool vCompare(float p1, float p2)
{
return (std::abs(p1 - p2) < EPSILON_FLOAT);
}
static inline bool vIsZero(float f)
{
return (std::abs(f) <= EPSILON_FLOAT);
}
static inline bool vIsZero(double f)
{
return (std::abs(f) <= EPSILON_DOUBLE);
}
class vFlagHelper {
int i;
public:
explicit constexpr inline vFlagHelper(int ai) noexcept : i(ai) {}
constexpr inline operator int() const noexcept { return i; }
explicit constexpr inline vFlagHelper(uint ai) noexcept : i(int(ai)) {}
explicit constexpr inline vFlagHelper(short ai) noexcept : i(int(ai)) {}
explicit constexpr inline vFlagHelper(ushort ai) noexcept : i(int(uint(ai))) {}
constexpr inline operator uint() const noexcept { return uint(i); }
};
template <typename Enum>
class vFlag {
public:
static_assert(
(sizeof(Enum) <= sizeof(int)),
"vFlag only supports int as storage so bigger type will overflow");
static_assert((std::is_enum<Enum>::value),
"vFlag is only usable on enumeration types.");
using Int = typename std::conditional<
std::is_unsigned<typename std::underlying_type<Enum>::type>::value,
unsigned int, signed int>::type;
using enum_type = Enum;
// compiler-generated copy/move ctor/assignment operators are fine!
vFlag() = default;
constexpr vFlag(Enum f) noexcept : i(Int(f)) {}
explicit constexpr vFlag(vFlagHelper f) noexcept : i(f) {}
inline vFlag &operator&=(int mask) noexcept
{
i &= mask;
return *this;
}
inline vFlag &operator&=(uint mask) noexcept
{
i &= mask;
return *this;
}
inline vFlag &operator&=(Enum mask) noexcept
{
i &= Int(mask);
return *this;
}
inline vFlag &operator|=(vFlag f) noexcept
{
i |= f.i;
return *this;
}
inline vFlag &operator|=(Enum f) noexcept
{
i |= Int(f);
return *this;
}
inline vFlag &operator^=(vFlag f) noexcept
{
i ^= f.i;
return *this;
}
inline vFlag &operator^=(Enum f) noexcept
{
i ^= Int(f);
return *this;
}
constexpr inline operator Int() const noexcept { return i; }
constexpr inline vFlag operator|(vFlag f) const
{
return vFlag(vFlagHelper(i | f.i));
}
constexpr inline vFlag operator|(Enum f) const noexcept
{
return vFlag(vFlagHelper(i | Int(f)));
}
constexpr inline vFlag operator^(vFlag f) const noexcept
{
return vFlag(vFlagHelper(i ^ f.i));
}
constexpr inline vFlag operator^(Enum f) const noexcept
{
return vFlag(vFlagHelper(i ^ Int(f)));
}
constexpr inline vFlag operator&(int mask) const noexcept
{
return vFlag(vFlagHelper(i & mask));
}
constexpr inline vFlag operator&(uint mask) const noexcept
{
return vFlag(vFlagHelper(i & mask));
}
constexpr inline vFlag operator&(Enum f) const noexcept
{
return vFlag(vFlagHelper(i & Int(f)));
}
constexpr inline vFlag operator~() const noexcept
{
return vFlag(vFlagHelper(~i));
}
constexpr inline bool operator!() const noexcept { return !i; }
constexpr inline bool testFlag(Enum f) const noexcept
{
return (i & Int(f)) == Int(f) && (Int(f) != 0 || i == Int(f));
}
inline vFlag &setFlag(Enum f, bool on = true) noexcept
{
return on ? (*this |= f) : (*this &= ~f);
}
Int i{0};
};
class VColor {
public:
VColor() = default;
explicit VColor(uchar red, uchar green, uchar blue, uchar alpha = 255) noexcept
:a(alpha), r(red), g(green), b(blue){}
inline uchar red() const noexcept { return r; }
inline uchar green() const noexcept { return g; }
inline uchar blue() const noexcept { return b; }
inline uchar alpha() const noexcept { return a; }
inline void setRed(uchar red) noexcept { r = red; }
inline void setGreen(uchar green) noexcept { g = green; }
inline void setBlue(uchar blue) noexcept { b = blue; }
inline void setAlpha(uchar alpha) noexcept { a = alpha; }
inline bool isOpaque() const { return a == 255; }
inline bool isTransparent() const { return a == 0; }
inline bool operator==(const VColor &o) const
{
return ((a == o.a) && (r == o.r) && (g == o.g) && (b == o.b));
}
uint premulARGB() const
{
int pr = (r * a) / 255;
int pg = (g * a) / 255;
int pb = (b * a) / 255;
return uint((a << 24) | (pr << 16) | (pg << 8) | (pb));
}
uint premulARGB(float opacity) const
{
int alpha = int(a * opacity);
int pr = (r * alpha) / 255;
int pg = (g * alpha) / 255;
int pb = (b * alpha) / 255;
return uint((alpha << 24) | (pr << 16) | (pg << 8) | (pb));
}
public:
uchar a{0};
uchar r{0};
uchar g{0};
uchar b{0};
};
enum class FillRule: unsigned char { EvenOdd, Winding };
enum class JoinStyle: unsigned char { Miter, Bevel, Round };
enum class CapStyle: unsigned char { Flat, Square, Round };
enum class BlendMode {
Src,
SrcOver,
DestIn,
DestOut,
Last,
};
#ifndef V_CONSTRUCTOR_FUNCTION
#define V_CONSTRUCTOR_FUNCTION0(AFUNC) \
namespace { \
static const struct AFUNC##_ctor_class_ { \
inline AFUNC##_ctor_class_() { AFUNC(); } \
} AFUNC##_ctor_instance_; \
}
#define V_CONSTRUCTOR_FUNCTION(AFUNC) V_CONSTRUCTOR_FUNCTION0(AFUNC)
#endif
#endif // VGLOBAL_H

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