RenderSVGResourceFilter.h [plain text]
#ifndef RenderSVGResourceFilter_h
#define RenderSVGResourceFilter_h
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "FloatRect.h"
#include "ImageBuffer.h"
#include "RenderSVGResourceContainer.h"
#include "SVGFilter.h"
#include "SVGFilterBuilder.h"
#include "SVGFilterElement.h"
#include "SVGUnitTypes.h"
#include <wtf/OwnPtr.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
struct FilterData {
FilterData()
: builded(false)
{
}
RefPtr<SVGFilter> filter;
OwnPtr<SVGFilterBuilder> builder;
FloatRect boundaries;
FloatSize scale;
bool builded;
};
class GraphicsContext;
class RenderSVGResourceFilter : public RenderSVGResourceContainer {
public:
RenderSVGResourceFilter(SVGFilterElement*);
virtual ~RenderSVGResourceFilter();
virtual const char* renderName() const { return "RenderSVGResourceFilter"; }
virtual void invalidateClients();
virtual void invalidateClient(RenderObject*);
virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode);
virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short resourceMode);
virtual FloatRect resourceBoundingBox(const FloatRect&) const;
PassOwnPtr<SVGFilterBuilder> buildPrimitives();
SVGUnitTypes::SVGUnitType filterUnits() const { return toUnitType(static_cast<SVGFilterElement*>(node())->filterUnits()); }
SVGUnitTypes::SVGUnitType primitiveUnits() const { return toUnitType(static_cast<SVGFilterElement*>(node())->primitiveUnits()); }
virtual RenderSVGResourceType resourceType() const { return s_resourceType; }
static RenderSVGResourceType s_resourceType;
private:
bool fitsInMaximumImageSize(const FloatSize&, FloatSize&);
GraphicsContext* m_savedContext;
OwnPtr<ImageBuffer> m_sourceGraphicBuffer;
HashMap<RenderObject*, FilterData*> m_filter;
};
}
#endif
#endif