1 /* 2 * Copyright (C) 2006 Eric Seidel <eric (at) webkit.org> 3 * Copyright (C) 2009 Apple Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef SVGImage_h 28 #define SVGImage_h 29 30 #include "core/platform/graphics/Image.h" 31 32 namespace WebCore { 33 34 class FrameView; 35 class ImageBuffer; 36 class Page; 37 class RenderBox; 38 class SVGImageChromeClient; 39 class SVGImageForContainer; 40 41 class SVGImage : public Image { 42 public: 43 static PassRefPtr<SVGImage> create(ImageObserver* observer) 44 { 45 return adoptRef(new SVGImage(observer)); 46 } 47 48 RenderBox* embeddedContentBox() const; 49 FrameView* frameView() const; 50 51 virtual bool isSVGImage() const OVERRIDE { return true; } 52 virtual IntSize size() const OVERRIDE { return m_intrinsicSize; } 53 54 virtual bool hasRelativeWidth() const OVERRIDE; 55 virtual bool hasRelativeHeight() const OVERRIDE; 56 57 virtual void startAnimation(bool /*catchUpIfNecessary*/ = true) OVERRIDE; 58 virtual void stopAnimation() OVERRIDE; 59 virtual void resetAnimation() OVERRIDE; 60 61 virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() OVERRIDE; 62 63 private: 64 friend class SVGImageChromeClient; 65 friend class SVGImageForContainer; 66 67 virtual ~SVGImage(); 68 69 virtual String filenameExtension() const OVERRIDE; 70 71 virtual void setContainerSize(const IntSize&) OVERRIDE; 72 IntSize containerSize() const; 73 virtual bool usesContainerSize() const OVERRIDE { return true; } 74 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE; 75 76 virtual bool dataChanged(bool allDataReceived) OVERRIDE; 77 78 // FIXME: SVGImages are underreporting decoded sizes and will be unable 79 // to prune because these functions are not implemented yet. 80 virtual void destroyDecodedData(bool) OVERRIDE { } 81 virtual unsigned decodedSize() const OVERRIDE { return 0; } 82 83 // FIXME: Implement this to be less conservative. 84 virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; } 85 86 SVGImage(ImageObserver*); 87 virtual void draw(GraphicsContext*, const FloatRect& fromRect, const FloatRect& toRect, CompositeOperator, BlendMode) OVERRIDE; 88 void drawForContainer(GraphicsContext*, const FloatSize, float, const FloatRect&, const FloatRect&, CompositeOperator, BlendMode); 89 void drawPatternForContainer(GraphicsContext*, const FloatSize, float, const FloatRect&, const FloatSize&, const FloatPoint&, 90 CompositeOperator, const FloatRect&, BlendMode); 91 92 OwnPtr<SVGImageChromeClient> m_chromeClient; 93 OwnPtr<Page> m_page; 94 IntSize m_intrinsicSize; 95 }; 96 } 97 98 #endif // SVGImage_h 99