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