1/* 2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21#ifndef RenderSVGResourcePattern_h 22#define RenderSVGResourcePattern_h 23 24#include "ImageBuffer.h" 25#include "Pattern.h" 26#include "PatternAttributes.h" 27#include "RenderSVGResourceContainer.h" 28#include "SVGPatternElement.h" 29#include "SVGUnitTypes.h" 30#include <memory> 31#include <wtf/HashMap.h> 32 33namespace WebCore { 34 35struct PatternData { 36 WTF_MAKE_FAST_ALLOCATED; 37public: 38 RefPtr<Pattern> pattern; 39 AffineTransform transform; 40}; 41 42class RenderSVGResourcePattern final : public RenderSVGResourceContainer { 43public: 44 RenderSVGResourcePattern(SVGPatternElement&, PassRef<RenderStyle>); 45 SVGPatternElement& patternElement() const; 46 47 virtual void removeAllClientsFromCache(bool markForInvalidation = true) override; 48 virtual void removeClientFromCache(RenderElement&, bool markForInvalidation = true) override; 49 50 virtual bool applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, unsigned short resourceMode) override; 51 virtual void postApplyResource(RenderElement&, GraphicsContext*&, unsigned short resourceMode, const Path*, const RenderSVGShape*) override; 52 virtual FloatRect resourceBoundingBox(const RenderObject&) override { return FloatRect(); } 53 54 virtual RenderSVGResourceType resourceType() const { return s_resourceType; } 55 static RenderSVGResourceType s_resourceType; 56 57private: 58 void element() const = delete; 59 virtual const char* renderName() const override { return "RenderSVGResourcePattern"; } 60 61 bool buildTileImageTransform(RenderElement&, const PatternAttributes&, const SVGPatternElement&, FloatRect& patternBoundaries, AffineTransform& tileImageTransform) const; 62 63 std::unique_ptr<ImageBuffer> createTileImage(const PatternAttributes&, const FloatRect& tileBoundaries, const FloatRect& absoluteTileBoundaries, const AffineTransform& tileImageTransform, FloatRect& clampedAbsoluteTileBoundaries) const; 64 65 PatternData* buildPattern(RenderElement&, unsigned short resourceMode); 66 67 bool m_shouldCollectPatternAttributes : 1; 68 PatternAttributes m_attributes; 69 HashMap<RenderElement*, std::unique_ptr<PatternData>> m_patternMap; 70}; 71 72} 73 74#endif 75