ES-DE/es-core/src/components/LottieComponent.h
Leon Styhre cd7cfe36ce Added play direction support to LottieComponent.
Also fixed some bugs and cleaned up the code a bit.
2022-01-09 18:17:23 +01:00

83 lines
2.3 KiB
C++

// SPDX-License-Identifier: MIT
//
// EmulationStation Desktop Edition
// LottieComponent.h
//
// Component to play Lottie animations using the rlottie library.
//
#ifndef ES_CORE_COMPONENTS_LOTTIE_COMPONENT_H
#define ES_CORE_COMPONENTS_LOTTIE_COMPONENT_H
#include "GuiComponent.h"
#include "renderers/Renderer.h"
#include "resources/TextureResource.h"
#include "utils/MathUtil.h"
#include "rlottie.h"
#include <chrono>
#include <future>
#include <unordered_map>
class LottieComponent : public GuiComponent
{
public:
LottieComponent(Window* window);
~LottieComponent();
void setAnimation(const std::string& path);
void setKeepAspectRatio(bool value) { mKeepAspectRatio = value; }
void setFrameCaching(bool value) { mCacheFrames = value; }
void setMaxCacheSize(int value)
{
mMaxCacheSize = static_cast<size_t>(glm::clamp(value, 0, 1024) * 1024 * 1024);
}
void resetFileAnimation() override;
void onSizeChanged() override;
virtual void applyTheme(const std::shared_ptr<ThemeData>& theme,
const std::string& view,
const std::string& element,
unsigned int properties) override;
private:
void update(int deltaTime) override;
void render(const glm::mat4& parentTrans) override;
std::shared_ptr<TextureResource> mTexture;
std::vector<uint8_t> mPictureRGBA;
std::unordered_map<size_t, std::vector<uint8_t>> mFrameCache;
// Set a 1024 MiB total Lottie animation cache as default.
inline static size_t mMaxTotalFrameCache = 1024 * 1024 * 1024;
inline static size_t mTotalFrameCache;
bool mCacheFrames;
size_t mMaxCacheSize;
size_t mCacheSize;
size_t mFrameSize;
std::chrono::time_point<std::chrono::system_clock> mAnimationStartTime;
std::unique_ptr<rlottie::Animation> mAnimation;
std::unique_ptr<rlottie::Surface> mSurface;
std::future<rlottie::Surface> mFuture;
std::string mPath;
std::string mStartDirection;
std::string mDirection;
size_t mTotalFrames;
size_t mFrameNum;
double mFrameRate;
float mSpeedModifier;
int mTargetPacing;
int mTimeAccumulator;
int mSkippedFrames;
bool mHoldFrame;
bool mPause;
bool mAlternate;
bool mKeepAspectRatio;
};
#endif // ES_CORE_COMPONENTS_LOTTIE_COMPONENT_H