1 /* 2 * Copyright (C) 1999 Lars Knoll <knoll (at) kde.org> 3 * Copyright (C) 1999 Antti Koivisto <koivisto (at) kde.org> 4 * Copyright (C) 2006 Allan Sandfeld Jensen <kde (at) carewolf.com> 5 * Copyright (C) 2006 Samuel Weinig <sam.weinig (at) gmail.com> 6 * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights reserved. 7 * Copyright (C) 2010 Patrick Gansterer <paroga (at) paroga.com> 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public License 20 * along with this library; see the file COPYING.LIB. If not, write to 21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 * 24 */ 25 26 #ifndef RenderImageResource_h 27 #define RenderImageResource_h 28 29 #include "CachedImage.h" 30 #include "CachedResourceHandle.h" 31 #include "Image.h" 32 #include "StyleImage.h" 33 34 namespace WebCore { 35 36 class RenderObject; 37 38 class RenderImageResource { 39 WTF_MAKE_NONCOPYABLE(RenderImageResource); WTF_MAKE_FAST_ALLOCATED; 40 public: 41 virtual ~RenderImageResource(); 42 43 static PassOwnPtr<RenderImageResource> create() 44 { 45 return adoptPtr(new RenderImageResource); 46 } 47 48 virtual void initialize(RenderObject*); 49 virtual void shutdown(); 50 51 void setCachedImage(CachedImage*); 52 CachedImage* cachedImage() const { return m_cachedImage.get(); } 53 virtual bool hasImage() const { return m_cachedImage; } 54 55 void resetAnimation(); 56 57 virtual PassRefPtr<Image> image(int /* width */ = 0, int /* height */ = 0) const { return m_cachedImage ? m_cachedImage->image() : nullImage(); } 58 virtual bool errorOccurred() const { return m_cachedImage && m_cachedImage->errorOccurred(); } 59 60 virtual void setImageContainerSize(const IntSize& size) const; 61 virtual bool usesImageContainerSize() const { return m_cachedImage ? m_cachedImage->usesImageContainerSize() : false; } 62 virtual bool imageHasRelativeWidth() const { return m_cachedImage ? m_cachedImage->imageHasRelativeWidth() : false; } 63 virtual bool imageHasRelativeHeight() const { return m_cachedImage ? m_cachedImage->imageHasRelativeHeight() : false; } 64 65 virtual IntSize imageSize(float multiplier) const { return m_cachedImage ? m_cachedImage->imageSize(multiplier) : IntSize(); } 66 67 virtual WrappedImagePtr imagePtr() const { return m_cachedImage.get(); } 68 69 protected: 70 RenderImageResource(); 71 RenderObject* m_renderer; 72 CachedResourceHandle<CachedImage> m_cachedImage; 73 74 private: 75 static Image* nullImage(); 76 }; 77 78 } // namespace WebCore 79 80 #endif // RenderImage_h 81
