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/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* 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 "ImageBuffer.h"
#include "LegacyRenderSVGResourceContainer.h"
#include "Pattern.h"
#include "PatternAttributes.h"
#include "SVGPatternElement.h"
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
struct PatternData {
WTF_MAKE_TZONE_ALLOCATED_INLINE(PatternData);
public:
RefPtr<Pattern> pattern;
AffineTransform transform;
};
class LegacyRenderSVGResourcePattern final : public LegacyRenderSVGResourceContainer {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(LegacyRenderSVGResourcePattern);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(LegacyRenderSVGResourcePattern);
public:
LegacyRenderSVGResourcePattern(SVGPatternElement&, RenderStyle&&);
virtual ~LegacyRenderSVGResourcePattern();
SVGPatternElement& patternElement() const;
Ref<SVGPatternElement> protectedPatternElement() const;
void removeAllClientsFromCacheIfNeeded(bool markForInvalidation, SingleThreadWeakHashSet<RenderObject>* visitedRenderers) override;
void removeClientFromCache(RenderElement&, bool markForInvalidation = true) override;
OptionSet<ApplyResult> applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>) override;
void postApplyResource(RenderElement&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>, const Path*, const RenderElement*) override;
FloatRect resourceBoundingBox(const RenderObject&, RepaintRectCalculation) override { return FloatRect(); }
RenderSVGResourceType resourceType() const override { return PatternResourceType; }
void collectPatternAttributes(PatternAttributes&) const;
private:
void element() const = delete;
ASCIILiteral renderName() const override { return "RenderSVGResourcePattern"_s; }
bool buildTileImageTransform(RenderElement&, const PatternAttributes&, const SVGPatternElement&, FloatRect& patternBoundaries, AffineTransform& tileImageTransform) const;
RefPtr<ImageBuffer> createTileImage(GraphicsContext&, const FloatSize&, const FloatSize& scale, const AffineTransform& tileImageTransform, const PatternAttributes&) const;
PatternData* buildPattern(RenderElement&, OptionSet<RenderSVGResourceMode>, GraphicsContext&);
PatternAttributes m_attributes;
UncheckedKeyHashMap<SingleThreadWeakRef<RenderElement>, std::unique_ptr<PatternData>> m_patternMap;
bool m_shouldCollectPatternAttributes { true };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_LEGACY_RENDER_SVG_RESOURCE(LegacyRenderSVGResourcePattern, PatternResourceType)
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