FEDisplacementMap.h [plain text]
#ifndef FEDisplacementMap_h
#define FEDisplacementMap_h
#include "FilterEffect.h"
#include "Filter.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
enum ChannelSelectorType {
CHANNEL_UNKNOWN = 0,
CHANNEL_R = 1,
CHANNEL_G = 2,
CHANNEL_B = 3,
CHANNEL_A = 4
};
class FEDisplacementMap : public FilterEffect {
public:
static Ref<FEDisplacementMap> create(Filter&, ChannelSelectorType xChannelSelector, ChannelSelectorType yChannelSelector, float);
ChannelSelectorType xChannelSelector() const;
bool setXChannelSelector(const ChannelSelectorType);
ChannelSelectorType yChannelSelector() const;
bool setYChannelSelector(const ChannelSelectorType);
float scale() const;
bool setScale(float);
void setResultColorSpace(ColorSpace) override;
virtual void transformResultColorSpace(FilterEffect*, const int) override;
virtual void platformApplySoftware() override;
virtual void dump() override;
virtual void determineAbsolutePaintRect() override { setAbsolutePaintRect(enclosingIntRect(maxEffectRect())); }
virtual TextStream& externalRepresentation(TextStream&, int indention) const override;
private:
FEDisplacementMap(Filter&, ChannelSelectorType xChannelSelector, ChannelSelectorType yChannelSelector, float);
ChannelSelectorType m_xChannelSelector;
ChannelSelectorType m_yChannelSelector;
float m_scale;
};
}
#endif // FEDisplacementMap_h