#ifndef FEMorphology_h
#define FEMorphology_h
#include "FilterEffect.h"
#include "Filter.h"
namespace WebCore {
enum MorphologyOperatorType {
FEMORPHOLOGY_OPERATOR_UNKNOWN = 0,
FEMORPHOLOGY_OPERATOR_ERODE = 1,
FEMORPHOLOGY_OPERATOR_DILATE = 2
};
class FEMorphology : public FilterEffect {
public:
static Ref<FEMorphology> create(Filter&, MorphologyOperatorType, float radiusX, float radiusY);
MorphologyOperatorType morphologyOperator() const { return m_type; }
bool setMorphologyOperator(MorphologyOperatorType);
float radiusX() const { return m_radiusX; }
bool setRadiusX(float);
float radiusY() const { return m_radiusY; }
bool setRadiusY(float);
virtual void platformApplySoftware();
virtual void dump();
virtual void determineAbsolutePaintRect();
virtual TextStream& externalRepresentation(TextStream&, int indention) const;
struct PaintingData {
Uint8ClampedArray* srcPixelArray;
Uint8ClampedArray* dstPixelArray;
int width;
int height;
int radiusX;
int radiusY;
};
static const int s_minimalArea = (300 * 300);
struct PlatformApplyParameters {
FEMorphology* filter;
int startY;
int endY;
PaintingData* paintingData;
};
static void platformApplyWorker(PlatformApplyParameters*);
inline void platformApply(PaintingData*);
inline void platformApplyGeneric(PaintingData*, const int yStart, const int yEnd);
private:
FEMorphology(Filter&, MorphologyOperatorType, float radiusX, float radiusY);
bool platformApplyDegenerate(Uint8ClampedArray* dstPixelArray, const IntRect& imageRect, int radiusX, int radiusY);
MorphologyOperatorType m_type;
float m_radiusX;
float m_radiusY;
};
}
#endif // FEMorphology_h