#pragma once
#include "SVGPathConsumer.h"
namespace WebCore {
enum FloatBlendMode {
BlendHorizontal,
BlendVertical
};
class SVGPathSource;
class SVGPathBlender {
WTF_MAKE_NONCOPYABLE(SVGPathBlender); WTF_MAKE_FAST_ALLOCATED;
public:
static bool addAnimatedPath(SVGPathSource& from, SVGPathSource& to, SVGPathConsumer&, unsigned repeatCount);
static bool blendAnimatedPath(SVGPathSource& from, SVGPathSource& to, SVGPathConsumer&, float);
static bool canBlendPaths(SVGPathSource& from, SVGPathSource& to);
private:
SVGPathBlender(SVGPathSource&, SVGPathSource&, SVGPathConsumer* = nullptr);
bool canBlendPaths();
bool addAnimatedPath(unsigned repeatCount);
bool blendAnimatedPath(float progress);
bool blendMoveToSegment(float progress);
bool blendLineToSegment(float progress);
bool blendLineToHorizontalSegment(float progress);
bool blendLineToVerticalSegment(float progress);
bool blendCurveToCubicSegment(float progress);
bool blendCurveToCubicSmoothSegment(float progress);
bool blendCurveToQuadraticSegment(float progress);
bool blendCurveToQuadraticSmoothSegment(float progress);
bool blendArcToSegment(float progress);
float blendAnimatedDimensonalFloat(float from, float to, FloatBlendMode, float progress);
FloatPoint blendAnimatedFloatPoint(const FloatPoint& from, const FloatPoint& to, float progress);
SVGPathSource& m_fromSource;
SVGPathSource& m_toSource;
SVGPathConsumer* m_consumer;
FloatPoint m_fromCurrentPoint;
FloatPoint m_toCurrentPoint;
PathCoordinateMode m_fromMode { AbsoluteCoordinates };
PathCoordinateMode m_toMode { AbsoluteCoordinates };
unsigned m_addTypesCount { 0 };
bool m_isInFirstHalfOfAnimation { false };
};
}