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/fetch/ImageResource.h" 30 #include "core/fetch/ResourcePtr.h" 31 #include "core/rendering/style/StyleImage.h" 32 33 namespace WebCore { 34 35 class RenderObject; 36 37 class RenderImageResource { 38 WTF_MAKE_NONCOPYABLE(RenderImageResource); WTF_MAKE_FAST_ALLOCATED; 39 public: 40 virtual ~RenderImageResource(); 41 42 static PassOwnPtr<RenderImageResource> create() 43 { 44 return adoptPtr(new RenderImageResource); 45 } 46 47 virtual void initialize(RenderObject*); 48 virtual void shutdown(); 49 50 void setImageResource(ImageResource*); 51 ImageResource* cachedImage() const { return m_cachedImage.get(); } 52 virtual bool hasImage() const { return m_cachedImage; } 53 54 void resetAnimation(); 55 56 virtual PassRefPtr<Image> image(int /* width */ = 0, int /* height */ = 0) const 57 { 58 return m_cachedImage ? m_cachedImage->imageForRenderer(m_renderer) : Image::nullImage(); 59 } 60 virtual bool errorOccurred() const { return m_cachedImage && m_cachedImage->errorOccurred(); } 61 62 virtual void setContainerSizeForRenderer(const IntSize&); 63 virtual bool usesImageContainerSize() const { return m_cachedImage ? m_cachedImage->usesImageContainerSize() : false; } 64 virtual bool imageHasRelativeWidth() const { return m_cachedImage ? m_cachedImage->imageHasRelativeWidth() : false; } 65 virtual bool imageHasRelativeHeight() const { return m_cachedImage ? m_cachedImage->imageHasRelativeHeight() : false; } 66 67 virtual LayoutSize imageSize(float multiplier) const { return getImageSize(multiplier, ImageResource::NormalSize); } 68 virtual LayoutSize intrinsicSize(float multiplier) const { return getImageSize(multiplier, ImageResource::IntrinsicSize); } 69 70 virtual WrappedImagePtr imagePtr() const { return m_cachedImage.get(); } 71 72 protected: 73 RenderImageResource(); 74 RenderObject* m_renderer; 75 ResourcePtr<ImageResource> m_cachedImage; 76 77 private: 78 LayoutSize getImageSize(float multiplier, ImageResource::SizeType) const; 79 }; 80 81 } // namespace WebCore 82 83 #endif // RenderImage_h 84
