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 "core/rendering/svg/RenderSVGResourceContainer.h" 25 #include "core/svg/PatternAttributes.h" 26 #include "core/svg/SVGPatternElement.h" 27 #include "core/svg/SVGUnitTypes.h" 28 #include "platform/geometry/FloatRect.h" 29 #include "platform/graphics/ImageBuffer.h" 30 #include "platform/graphics/Pattern.h" 31 #include "platform/transforms/AffineTransform.h" 32 33 #include "wtf/HashMap.h" 34 #include "wtf/OwnPtr.h" 35 36 namespace WebCore { 37 38 struct PatternData { 39 WTF_MAKE_FAST_ALLOCATED; 40 public: 41 RefPtr<Pattern> pattern; 42 AffineTransform transform; 43 }; 44 45 class RenderSVGResourcePattern FINAL : public RenderSVGResourceContainer { 46 public: 47 explicit RenderSVGResourcePattern(SVGPatternElement*); 48 renderName()49 virtual const char* renderName() const OVERRIDE { return "RenderSVGResourcePattern"; } 50 51 virtual void removeAllClientsFromCache(bool markForInvalidation = true) OVERRIDE; 52 virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true) OVERRIDE; 53 54 virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode) OVERRIDE; 55 virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short resourceMode, const Path*, const RenderSVGShape*) OVERRIDE; 56 resourceType()57 virtual RenderSVGResourceType resourceType() const OVERRIDE { return s_resourceType; } 58 static const RenderSVGResourceType s_resourceType; 59 60 private: 61 bool buildTileImageTransform(RenderObject*, const PatternAttributes&, const SVGPatternElement*, FloatRect& patternBoundaries, AffineTransform& tileImageTransform) const; 62 63 PassOwnPtr<ImageBuffer> createTileImage(const PatternAttributes&, const FloatRect& tileBoundaries, 64 const FloatRect& absoluteTileBoundaries, const AffineTransform& tileImageTransform) const; 65 66 PatternData* buildPattern(RenderObject*, unsigned short resourceMode); 67 68 bool m_shouldCollectPatternAttributes : 1; 69 PatternAttributes m_attributes; 70 HashMap<RenderObject*, OwnPtr<PatternData> > m_patternMap; 71 }; 72 73 } 74 75 #endif 76