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 "core/loader/cache/ImageResource.h" 30 #include "core/loader/cache/ResourcePtr.h" 31 #include "core/platform/graphics/Image.h" 32 #include "core/platform/graphics/LayoutSize.h" 33 #include "core/rendering/style/StyleImage.h" 34 35 namespace WebCore { 36 37 class RenderObject; 38 39 class RenderImageResource { 40 WTF_MAKE_NONCOPYABLE(RenderImageResource); WTF_MAKE_FAST_ALLOCATED; 41 public: 42 virtual ~RenderImageResource(); 43 44 static PassOwnPtr<RenderImageResource> create() 45 { 46 return adoptPtr(new RenderImageResource); 47 } 48 49 virtual void initialize(RenderObject*); 50 virtual void shutdown(); 51 52 void setImageResource(ImageResource*); 53 ImageResource* cachedImage() const { return m_cachedImage.get(); } 54 virtual bool hasImage() const { return m_cachedImage; } 55 56 void resetAnimation(); 57 58 virtual PassRefPtr<Image> image(int /* width */ = 0, int /* height */ = 0) const { return m_cachedImage ? m_cachedImage->imageForRenderer(m_renderer) : nullImage(); } 59 virtual bool errorOccurred() const { return m_cachedImage && m_cachedImage->errorOccurred(); } 60 61 virtual void setContainerSizeForRenderer(const IntSize&); 62 virtual bool usesImageContainerSize() const { return m_cachedImage ? m_cachedImage->usesImageContainerSize() : false; } 63 virtual bool imageHasRelativeWidth() const { return m_cachedImage ? m_cachedImage->imageHasRelativeWidth() : false; } 64 virtual bool imageHasRelativeHeight() const { return m_cachedImage ? m_cachedImage->imageHasRelativeHeight() : false; } 65 66 virtual LayoutSize imageSize(float multiplier) const { return m_cachedImage ? m_cachedImage->imageSizeForRenderer(m_renderer, multiplier) : LayoutSize(); } 67 68 virtual WrappedImagePtr imagePtr() const { return m_cachedImage.get(); } 69 70 protected: 71 RenderImageResource(); 72 RenderObject* m_renderer; 73 ResourcePtr<ImageResource> m_cachedImage; 74 75 private: 76 static Image* nullImage(); 77 }; 78 79 } // namespace WebCore 80 81 #endif // RenderImage_h 82
