1/* 2 * Copyright (C) 2013 Google 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 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 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 SVGImageForContainer_h 27#define SVGImageForContainer_h 28 29#if ENABLE(SVG) 30 31#include "AffineTransform.h" 32#include "FloatRect.h" 33#include "FloatSize.h" 34#include "Image.h" 35#include "SVGImage.h" 36 37namespace WebCore { 38 39class SVGImageForContainer : public Image { 40public: 41 static PassRefPtr<SVGImageForContainer> create(SVGImage* image, const FloatSize& containerSize, float zoom) 42 { 43 return adoptRef(new SVGImageForContainer(image, containerSize, zoom)); 44 } 45 46 virtual bool isSVGImage() const OVERRIDE { return true; } 47 48 virtual IntSize size() const OVERRIDE; 49 50 virtual bool usesContainerSize() const OVERRIDE { return m_image->usesContainerSize(); } 51 virtual bool hasRelativeWidth() const OVERRIDE { return m_image->hasRelativeWidth(); } 52 virtual bool hasRelativeHeight() const OVERRIDE { return m_image->hasRelativeHeight(); } 53 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE 54 { 55 m_image->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio); 56 } 57 58 virtual void draw(GraphicsContext*, const FloatRect&, const FloatRect&, ColorSpace, CompositeOperator, BlendMode) OVERRIDE; 59 60 virtual void drawPattern(GraphicsContext*, const FloatRect&, const AffineTransform&, const FloatPoint&, ColorSpace, CompositeOperator, const FloatRect&, BlendMode) OVERRIDE; 61 62 // FIXME: Implement this to be less conservative. 63 virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; } 64 65 virtual PassNativeImagePtr nativeImageForCurrentFrame() OVERRIDE; 66 67private: 68 SVGImageForContainer(SVGImage* image, const FloatSize& containerSize, float zoom) 69 : m_image(image) 70 , m_containerSize(containerSize) 71 , m_zoom(zoom) 72 { 73 } 74 75 virtual void destroyDecodedData(bool /*destroyAll*/ = true) { } 76 virtual unsigned decodedSize() const { return 0; } 77 78 SVGImage* m_image; 79 const FloatSize m_containerSize; 80 const float m_zoom; 81}; 82} 83 84#endif // ENABLE(SVG) 85#endif // SVGImageForContainer_h 86