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/*
* Copyright (C) 2021, 2022, 2023, 2024 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "AffineTransform.h"
#include "PatternAttributes.h"
#include "RenderSVGResourcePaintServer.h"
#include "SVGPatternElement.h"
class Pattern;
namespace WebCore {
class RenderSVGResourcePattern final : public RenderSVGResourcePaintServer {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderSVGResourcePattern);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderSVGResourcePattern);
public:
RenderSVGResourcePattern(SVGElement&, RenderStyle&&);
virtual ~RenderSVGResourcePattern();
inline SVGPatternElement& patternElement() const;
inline Ref<SVGPatternElement> protectedPatternElement() const;
bool prepareFillOperation(GraphicsContext&, const RenderLayerModelObject&, const RenderStyle&) final;
bool prepareStrokeOperation(GraphicsContext&, const RenderLayerModelObject&, const RenderStyle&) final;
enum class SuppressRepaint { Yes, No };
void invalidatePattern(SuppressRepaint suppressRepaint = SuppressRepaint::No)
{
m_attributes = std::nullopt;
m_imageMap.clear();
m_transformMap.clear();
if (suppressRepaint == SuppressRepaint::No)
repaintAllClients();
}
protected:
RefPtr<Pattern> buildPattern(GraphicsContext&, const RenderLayerModelObject&);
void collectPatternAttributesIfNeeded();
bool buildTileImageTransform(const RenderElement&, const PatternAttributes&, const SVGPatternElement&, FloatRect& patternBoundaries, AffineTransform& tileImageTransform) const;
RefPtr<ImageBuffer> createTileImage(GraphicsContext&, const PatternAttributes&, const FloatSize&, const FloatSize& scale, const AffineTransform& tileImageTransform) const;
void removeReferencingCSSClient(const RenderElement&) override;
std::optional<PatternAttributes> m_attributes;
UncheckedKeyHashMap<SingleThreadWeakRef<const RenderLayerModelObject>, RefPtr<ImageBuffer>> m_imageMap;
UncheckedKeyHashMap<SingleThreadWeakRef<const RenderLayerModelObject>, AffineTransform> m_transformMap;
};
}
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGResourcePattern, isRenderSVGResourcePattern())
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