1/* 2 * Copyright (C) 1999 Lars Knoll <knoll@kde.org> 3 * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org> 4 * Copyright (C) 2000 Dirk Mueller <mueller@kde.org> 5 * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com> 6 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com> 7 * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved. 8 * Copyright (C) 2010 Google Inc. All rights reserved. 9 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> 10 * 11 * This library is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU Library General Public 13 * License as published by the Free Software Foundation; either 14 * version 2 of the License, or (at your option) any later version. 15 * 16 * This library is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * Library General Public License for more details. 20 * 21 * You should have received a copy of the GNU Library General Public License 22 * along with this library; see the file COPYING.LIB. If not, write to 23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 24 * Boston, MA 02110-1301, USA. 25 * 26 */ 27 28#include "config.h" 29#include "RenderImageResource.h" 30 31#include "CachedImage.h" 32#include "Image.h" 33#include "RenderElement.h" 34#include "RenderImage.h" 35#include "RenderImageResourceStyleImage.h" 36 37namespace WebCore { 38 39RenderImageResource::RenderImageResource() 40 : m_renderer(0) 41{ 42} 43 44RenderImageResource::~RenderImageResource() 45{ 46} 47 48void RenderImageResource::initialize(RenderElement* renderer) 49{ 50 ASSERT(!m_renderer); 51 ASSERT(renderer); 52 m_renderer = renderer; 53} 54 55void RenderImageResource::shutdown() 56{ 57 ASSERT(m_renderer); 58 59 if (m_cachedImage) 60 m_cachedImage->removeClient(m_renderer); 61} 62 63void RenderImageResource::setCachedImage(CachedImage* newImage) 64{ 65 ASSERT(m_renderer); 66 67 if (m_cachedImage == newImage) 68 return; 69 70 if (m_cachedImage) 71 m_cachedImage->removeClient(m_renderer); 72 m_cachedImage = newImage; 73 if (m_cachedImage) { 74 m_cachedImage->addClient(m_renderer); 75 if (m_cachedImage->errorOccurred()) 76 m_renderer->imageChanged(m_cachedImage.get()); 77 } 78} 79 80void RenderImageResource::resetAnimation() 81{ 82 ASSERT(m_renderer); 83 84 if (!m_cachedImage) 85 return; 86 87 image()->resetAnimation(); 88 89 if (!m_renderer->needsLayout()) 90 m_renderer->repaint(); 91} 92 93PassRefPtr<Image> RenderImageResource::image(int, int) const 94{ 95 return m_cachedImage ? m_cachedImage->imageForRenderer(m_renderer) : Image::nullImage(); 96} 97 98bool RenderImageResource::errorOccurred() const 99{ 100 return m_cachedImage && m_cachedImage->errorOccurred(); 101} 102 103void RenderImageResource::setContainerSizeForRenderer(const IntSize& imageContainerSize) 104{ 105 ASSERT(m_renderer); 106 if (m_cachedImage) 107 m_cachedImage->setContainerSizeForRenderer(m_renderer, imageContainerSize, m_renderer->style().effectiveZoom()); 108} 109 110bool RenderImageResource::imageHasRelativeWidth() const 111{ 112 return m_cachedImage ? m_cachedImage->imageHasRelativeWidth() : false; 113} 114 115bool RenderImageResource::imageHasRelativeHeight() const 116{ 117 return m_cachedImage ? m_cachedImage->imageHasRelativeHeight() : false; 118} 119 120LayoutSize RenderImageResource::imageSize(float multiplier) const 121{ 122 return getImageSize(multiplier, CachedImage::UsedSize); 123} 124 125LayoutSize RenderImageResource::intrinsicSize(float multiplier) const 126{ 127 return getImageSize(multiplier, CachedImage::IntrinsicSize); 128} 129 130LayoutSize RenderImageResource::getImageSize(float multiplier, CachedImage::SizeType type) const 131{ 132 if (!m_cachedImage) 133 return LayoutSize(); 134 LayoutSize size = m_cachedImage->imageSizeForRenderer(m_renderer, multiplier, type); 135 if (m_renderer && m_renderer->isRenderImage()) 136 size.scale(toRenderImage(m_renderer)->imageDevicePixelRatio()); 137 return size; 138} 139 140} // namespace WebCore 141