2 * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
3 * Copyright (C) 2009 Apple Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
30 #include "platform/graphics/Image.h"
39 class SVGImageChromeClient;
40 class SVGImageForContainer;
42 class SVGImage FINAL : public Image {
44 static PassRefPtr<SVGImage> create(ImageObserver* observer)
46 return adoptRef(new SVGImage(observer));
49 static bool isInSVGImage(const Element*);
51 RenderBox* embeddedContentBox() const;
53 virtual bool isSVGImage() const OVERRIDE { return true; }
54 virtual IntSize size() const OVERRIDE { return m_intrinsicSize; }
56 virtual bool currentFrameHasSingleSecurityOrigin() const OVERRIDE;
58 virtual bool hasRelativeWidth() const OVERRIDE;
59 virtual bool hasRelativeHeight() const OVERRIDE;
61 virtual void startAnimation(bool /*catchUpIfNecessary*/ = true) OVERRIDE;
62 virtual void stopAnimation() OVERRIDE;
63 virtual void resetAnimation() OVERRIDE;
65 virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() OVERRIDE;
67 // Returns the SVG image document's frame.
68 FrameView* frameView() const;
71 friend class AXRenderObject;
72 friend class SVGImageChromeClient;
73 friend class SVGImageForContainer;
78 virtual String filenameExtension() const OVERRIDE;
80 virtual void setContainerSize(const IntSize&) OVERRIDE;
81 IntSize containerSize() const;
82 virtual bool usesContainerSize() const OVERRIDE { return true; }
83 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE;
85 virtual bool dataChanged(bool allDataReceived) OVERRIDE;
87 // FIXME: SVGImages are underreporting decoded sizes and will be unable
88 // to prune because these functions are not implemented yet.
89 virtual void destroyDecodedData(bool) OVERRIDE { }
91 // FIXME: Implement this to be less conservative.
92 virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; }
94 SVGImage(ImageObserver*);
95 virtual void draw(GraphicsContext*, const FloatRect& fromRect, const FloatRect& toRect, CompositeOperator, blink::WebBlendMode) OVERRIDE;
96 void drawForContainer(GraphicsContext*, const FloatSize, float, const FloatRect&, const FloatRect&, CompositeOperator, blink::WebBlendMode);
97 void drawPatternForContainer(GraphicsContext*, const FloatSize, float, const FloatRect&, const FloatSize&, const FloatPoint&,
98 CompositeOperator, const FloatRect&, blink::WebBlendMode, const IntSize& repeatSpacing);
100 OwnPtr<SVGImageChromeClient> m_chromeClient;
102 IntSize m_intrinsicSize;
105 DEFINE_IMAGE_TYPE_CASTS(SVGImage);
107 class ImageObserverDisabler {
108 WTF_MAKE_NONCOPYABLE(ImageObserverDisabler);
110 ImageObserverDisabler(Image* image)
113 ASSERT(m_image->imageObserver());
114 m_observer = m_image->imageObserver();
115 m_image->setImageObserver(0);
118 ~ImageObserverDisabler()
120 m_image->setImageObserver(m_observer);
124 ImageObserver* m_observer;