1/* 2 * Copyright (C) 2008 Apple Computer, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef RenderImageGeneratedContent_h 27#define RenderImageGeneratedContent_h 28 29#include "RenderImage.h" 30#include "StyleImage.h" 31#include <wtf/RefPtr.h> 32 33namespace WebCore { 34 35class StyleImage; 36 37class RenderImageGeneratedContent : public RenderImage { 38public: 39 RenderImageGeneratedContent(Node*); 40 virtual ~RenderImageGeneratedContent(); 41 42 void setStyleImage(StyleImage*); 43 44 virtual bool hasImage() const { return true; } 45 46protected: 47 virtual Image* image(int w = 0, int h = 0) { return m_styleImage->image(this, IntSize(w, h)); } 48 virtual bool errorOccurred() const { return m_styleImage->errorOccurred(); } 49 virtual bool usesImageContainerSize() const { return m_styleImage->usesImageContainerSize(); } 50 virtual void setImageContainerSize(const IntSize& size) const { m_styleImage->setImageContainerSize(size); } 51 virtual bool imageHasRelativeWidth() const { return m_styleImage->imageHasRelativeWidth(); } 52 virtual bool imageHasRelativeHeight() const { return m_styleImage->imageHasRelativeHeight(); } 53 virtual IntSize imageSize(float multiplier) const { return m_styleImage->imageSize(this, multiplier); } 54 55 // |m_styleImage| can be 0 if we get a callback for a background image from RenderObject::setStyle. 56 virtual WrappedImagePtr imagePtr() const { return m_styleImage ? m_styleImage->data() : 0; } 57 58private: 59 RefPtr<StyleImage> m_styleImage; 60}; 61 62} // namespace WebCore 63 64#endif // RenderImageGeneratedContent_h 65