RenderSVGResourcePattern.h [plain text]
#pragma once
#include "ImageBuffer.h"
#include "Pattern.h"
#include "PatternAttributes.h"
#include "RenderSVGResourceContainer.h"
#include "SVGPatternElement.h"
#include <memory>
#include <wtf/IsoMallocInlines.h>
#include <wtf/HashMap.h>
namespace WebCore {
struct PatternData {
WTF_MAKE_FAST_ALLOCATED;
public:
RefPtr<Pattern> pattern;
AffineTransform transform;
};
class RenderSVGResourcePattern final : public RenderSVGResourceContainer {
WTF_MAKE_ISO_ALLOCATED(RenderSVGResourcePattern);
public:
RenderSVGResourcePattern(SVGPatternElement&, RenderStyle&&);
SVGPatternElement& patternElement() const;
void removeAllClientsFromCache(bool markForInvalidation = true) override;
void removeClientFromCache(RenderElement&, bool markForInvalidation = true) override;
bool applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>) override;
void postApplyResource(RenderElement&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>, const Path*, const RenderSVGShape*) override;
FloatRect resourceBoundingBox(const RenderObject&) override { return FloatRect(); }
RenderSVGResourceType resourceType() const override { return PatternResourceType; }
void collectPatternAttributes(PatternAttributes&) const;
private:
void element() const = delete;
const char* renderName() const override { return "RenderSVGResourcePattern"; }
bool buildTileImageTransform(RenderElement&, const PatternAttributes&, const SVGPatternElement&, FloatRect& patternBoundaries, AffineTransform& tileImageTransform) const;
std::unique_ptr<ImageBuffer> createTileImage(const PatternAttributes&, const FloatRect& tileBoundaries, const FloatRect& absoluteTileBoundaries, const AffineTransform& tileImageTransform, FloatRect& clampedAbsoluteTileBoundaries, RenderingMode) const;
PatternData* buildPattern(RenderElement&, OptionSet<RenderSVGResourceMode>, GraphicsContext&);
PatternAttributes m_attributes;
HashMap<RenderElement*, std::unique_ptr<PatternData>> m_patternMap;
bool m_shouldCollectPatternAttributes { true };
};
}
SPECIALIZE_TYPE_TRAITS_RENDER_SVG_RESOURCE(RenderSVGResourcePattern, PatternResourceType)