#pragma once
#include "FilterEffect.h"
#include "Filter.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
enum CompositeOperationType {
FECOMPOSITE_OPERATOR_UNKNOWN = 0,
FECOMPOSITE_OPERATOR_OVER = 1,
FECOMPOSITE_OPERATOR_IN = 2,
FECOMPOSITE_OPERATOR_OUT = 3,
FECOMPOSITE_OPERATOR_ATOP = 4,
FECOMPOSITE_OPERATOR_XOR = 5,
FECOMPOSITE_OPERATOR_ARITHMETIC = 6,
FECOMPOSITE_OPERATOR_LIGHTER = 7
};
class FEComposite : public FilterEffect {
public:
static Ref<FEComposite> create(Filter&, const CompositeOperationType&, float, float, float, float);
CompositeOperationType operation() const { return m_type; }
bool setOperation(CompositeOperationType);
float k1() const { return m_k1; }
bool setK1(float);
float k2() const { return m_k2; }
bool setK2(float);
float k3() const { return m_k3; }
bool setK3(float);
float k4() const { return m_k4; }
bool setK4(float);
protected:
bool requiresValidPreMultipliedPixels() override { return m_type != FECOMPOSITE_OPERATOR_ARITHMETIC; }
private:
FEComposite(Filter&, const CompositeOperationType&, float, float, float, float);
const char* filterName() const final { return "FEComposite"; }
void correctFilterResultIfNeeded() override;
void determineAbsolutePaintRect() override;
void platformApplySoftware() override;
WTF::TextStream& externalRepresentation(WTF::TextStream&, RepresentationType) const override;
inline void platformArithmeticSoftware(const Uint8ClampedArray& source, Uint8ClampedArray& destination, float k1, float k2, float k3, float k4);
#if HAVE(ARM_NEON_INTRINSICS)
template <int b1, int b4>
static inline void computeArithmeticPixelsNeon(const uint8_t* source, uint8_t* destination, unsigned pixelArrayLength, float k1, float k2, float k3, float k4);
static inline void platformArithmeticNeon(const uint8_t* source, uint8_t* destination, unsigned pixelArrayLength, float k1, float k2, float k3, float k4);
#endif
CompositeOperationType m_type;
float m_k1;
float m_k2;
float m_k3;
float m_k4;
};
}