2024-06-12 23:04:22 +04:00

59 lines
2.7 KiB
C++

#ifndef ThorVGCanvasImpl_h
#define ThorVGCanvasImpl_h
#include <LottieCpp/LottieCpp.h>
#include <thorvg/thorvg.h>
namespace lottie {
class ThorVGCanvasImpl: public Canvas {
public:
static void initializeOnce();
ThorVGCanvasImpl(int width, int height, int bytesPerRow);
virtual ~ThorVGCanvasImpl();
virtual std::shared_ptr<Canvas> makeLayer(int width, int height) override;
virtual void saveState() override;
virtual void restoreState() override;
virtual void fillPath(CanvasPathEnumerator const &enumeratePath, lottie::FillRule fillRule, lottie::Color const &color) override;
virtual void linearGradientFillPath(CanvasPathEnumerator const &enumeratePath, lottie::FillRule fillRule, lottie::Gradient const &gradient, lottie::Vector2D const &start, lottie::Vector2D const &end) override;
virtual void radialGradientFillPath(CanvasPathEnumerator const &enumeratePath, lottie::FillRule fillRule, lottie::Gradient const &gradient, lottie::Vector2D const &startCenter, float startRadius, lottie::Vector2D const &endCenter, float endRadius) override;
virtual void strokePath(CanvasPathEnumerator const &enumeratePath, float lineWidth, lottie::LineJoin lineJoin, lottie::LineCap lineCap, float dashPhase, std::vector<float> const &dashPattern, lottie::Color const &color) override;
virtual void linearGradientStrokePath(CanvasPathEnumerator const &enumeratePath, float lineWidth, lottie::LineJoin lineJoin, lottie::LineCap lineCap, float dashPhase, std::vector<float> const &dashPattern, Gradient const &gradient, lottie::Vector2D const &start, lottie::Vector2D const &end) override;
virtual void radialGradientStrokePath(CanvasPathEnumerator const &enumeratePath, float lineWidth, lottie::LineJoin lineJoin, lottie::LineCap lineCap, float dashPhase, std::vector<float> const &dashPattern, Gradient const &gradient, lottie::Vector2D const &startCenter, float startRadius, lottie::Vector2D const &endCenter, float endRadius) override;
virtual void fill(lottie::CGRect const &rect, lottie::Color const &fillColor) override;
virtual void setBlendMode(BlendMode blendMode) override;
virtual void concatenate(lottie::Transform2D const &transform) override;
virtual void draw(std::shared_ptr<Canvas> const &other, float alpha, lottie::CGRect const &rect) override;
uint32_t *backingData() {
return _backingData;
}
int bytesPerRow() const {
return _bytesPerRow;
}
void flush();
private:
std::unique_ptr<tvg::SwCanvas> _canvas;
lottie::Transform2D _transform;
std::vector<lottie::Transform2D> _stateStack;
int _bytesPerRow = 0;
uint32_t *_backingData = nullptr;
int _statsNumStrokes = 0;
};
}
#endif