SVGResourceFilter.h [plain text]
#ifndef SVGResourceFilter_h
#define SVGResourceFilter_h
#if ENABLE(SVG) && ENABLE(SVG_FILTERS)
#include "SVGResource.h"
#include "SVGFilterEffect.h"
#include "FloatRect.h"
#include <wtf/OwnPtr.h>
namespace WebCore {
class GraphicsContext;
class SVGFilterEffect;
class SVGResourceFilterPlatformData {
public:
virtual ~SVGResourceFilterPlatformData() {}
};
class SVGResourceFilter : public SVGResource {
public:
SVGResourceFilter();
virtual SVGResourceType resourceType() const { return FilterResourceType; }
bool filterBoundingBoxMode() const { return m_filterBBoxMode; }
void setFilterBoundingBoxMode(bool bboxMode) { m_filterBBoxMode = bboxMode; }
bool effectBoundingBoxMode() const { return m_effectBBoxMode; }
void setEffectBoundingBoxMode(bool bboxMode) { m_effectBBoxMode = bboxMode; }
bool xBoundingBoxMode() const { return m_xBBoxMode; }
void setXBoundingBoxMode(bool bboxMode) { m_xBBoxMode = bboxMode; }
bool yBoundingBoxMode() const { return m_yBBoxMode; }
void setYBoundingBoxMode(bool bboxMode) { m_yBBoxMode = bboxMode; }
FloatRect filterRect() const { return m_filterRect; }
void setFilterRect(const FloatRect& rect) { m_filterRect = rect; }
FloatRect filterBBoxForItemBBox(const FloatRect& itemBBox) const;
void clearEffects();
void addFilterEffect(SVGFilterEffect*);
virtual TextStream& externalRepresentation(TextStream&) const;
void prepareFilter(GraphicsContext*&, const FloatRect& bbox);
void applyFilter(GraphicsContext*&, const FloatRect& bbox);
SVGResourceFilterPlatformData* platformData() { return m_platformData.get(); }
const Vector<SVGFilterEffect*>& effects() { return m_effects; }
private:
SVGResourceFilterPlatformData* createPlatformData();
OwnPtr<SVGResourceFilterPlatformData> m_platformData;
bool m_filterBBoxMode : 1;
bool m_effectBBoxMode : 1;
bool m_xBBoxMode : 1;
bool m_yBBoxMode : 1;
FloatRect m_filterRect;
Vector<SVGFilterEffect*> m_effects;
};
SVGResourceFilter* getFilterById(Document*, const AtomicString&);
}
#endif // ENABLE(SVG)
#endif // SVGResourceFilter_h