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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
310 changed files with 121526 additions and 85 deletions
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339
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;
}
}