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99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
// SPDX-License-Identifier: MIT
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//
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// EmulationStation Desktop Edition
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// LottieAnimComponent.h
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//
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// Component to play Lottie animations using the rlottie library.
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//
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#if defined(_MSC_VER) // MSVC compiler.
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// Disable rlottie DLL interface warnings.
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#pragma warning(disable : 4251)
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#endif
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#ifndef ES_CORE_COMPONENTS_LOTTIE_ANIM_COMPONENT_H
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#define ES_CORE_COMPONENTS_LOTTIE_ANIM_COMPONENT_H
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#include "GuiComponent.h"
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#include "renderers/Renderer.h"
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#include "resources/TextureResource.h"
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#include "utils/MathUtil.h"
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#include "rlottie.h"
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#include <chrono>
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#include <future>
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#include <unordered_map>
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class LottieAnimComponent : public GuiComponent
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{
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public:
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LottieAnimComponent();
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~LottieAnimComponent();
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void setAnimation(const std::string& path);
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void setFrameCaching(bool value) { mCacheFrames = value; }
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void setMaxCacheSize(int value)
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{
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mMaxCacheSize = static_cast<size_t>(glm::clamp(value, 0, 1024) * 1024 * 1024);
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}
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void setPauseAnimation(bool state) { mExternalPause = state; }
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void resetComponent() override;
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void onSizeChanged() override;
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virtual void applyTheme(const std::shared_ptr<ThemeData>& theme,
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const std::string& view,
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const std::string& element,
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unsigned int properties) override;
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void update(int deltaTime) override;
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private:
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void render(const glm::mat4& parentTrans) override;
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Renderer* mRenderer;
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glm::vec2 mTargetSize;
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std::shared_ptr<TextureResource> mTexture;
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std::vector<uint8_t> mPictureRGBA;
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std::unordered_map<size_t, std::vector<uint8_t>> mFrameCache;
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// Set a 1024 MiB total Lottie animation cache as default.
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static inline size_t mMaxTotalFrameCache {1024 * 1024 * 1024};
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static inline size_t mTotalFrameCache;
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bool mCacheFrames;
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size_t mMaxCacheSize;
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size_t mCacheSize;
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size_t mFrameSize;
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std::chrono::time_point<std::chrono::system_clock> mAnimationStartTime;
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std::unique_ptr<rlottie::Animation> mAnimation;
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std::unique_ptr<rlottie::Surface> mSurface;
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std::future<rlottie::Surface> mFuture;
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std::string mPath;
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std::string mStartDirection;
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std::string mDirection;
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size_t mTotalFrames;
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size_t mFrameNum;
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double mFrameRate;
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float mSpeedModifier;
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int mTargetPacing;
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int mTimeAccumulator;
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int mLastRenderedFrame;
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int mSkippedFrames;
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bool mHoldFrame;
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bool mPause;
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bool mExternalPause;
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bool mAlternate;
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int mIterationCount;
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int mPlayCount;
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bool mTargetIsMax;
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unsigned int mColorShift;
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unsigned int mColorShiftEnd;
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bool mColorGradientHorizontal;
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};
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#endif // ES_CORE_COMPONENTS_LOTTIE_ANIM_COMPONENT_H
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