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1 /*
2  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
3  * Copyright (C) 2006, 2009 Apple Inc. All rights reserved.
4  * Copyright (C) 2007 Rob Buis <buis@kde.org>
5  * Copyright (C) 2009 Google, Inc.
6  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Library General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Library General Public License for more details.
17  *
18  * You should have received a copy of the GNU Library General Public License
19  * along with this library; see the file COPYING.LIB.  If not, write to
20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21  * Boston, MA 02110-1301, USA.
22  */
23 
24 #ifndef RenderSVGImage_h
25 #define RenderSVGImage_h
26 
27 #include "core/rendering/svg/RenderSVGModelObject.h"
28 
29 namespace WebCore {
30 
31 class RenderImageResource;
32 class SVGImageElement;
33 
34 class RenderSVGImage FINAL : public RenderSVGModelObject {
35 public:
36     explicit RenderSVGImage(SVGImageElement*);
37     virtual ~RenderSVGImage();
38 
39     bool updateImageViewport();
setNeedsBoundariesUpdate()40     virtual void setNeedsBoundariesUpdate() { m_needsBoundariesUpdate = true; }
needsBoundariesUpdate()41     virtual bool needsBoundariesUpdate() OVERRIDE { return m_needsBoundariesUpdate; }
setNeedsTransformUpdate()42     virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
43 
imageResource()44     RenderImageResource* imageResource() { return m_imageResource.get(); }
45 
46     // Note: Assumes the PaintInfo context has had all local transforms applied.
47     void paintForeground(PaintInfo&);
48 
49 private:
renderName()50     virtual const char* renderName() const { return "RenderSVGImage"; }
isSVGImage()51     virtual bool isSVGImage() const OVERRIDE { return true; }
52 
localToParentTransform()53     virtual const AffineTransform& localToParentTransform() const { return m_localTransform; }
54 
objectBoundingBox()55     virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; }
strokeBoundingBox()56     virtual FloatRect strokeBoundingBox() const { return m_objectBoundingBox; }
repaintRectInLocalCoordinates()57     virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; }
58 
59     virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) OVERRIDE;
60 
61     virtual void imageChanged(WrappedImagePtr, const IntRect* = 0);
62 
63     virtual void layout();
64     virtual void paint(PaintInfo&, const LayoutPoint&);
65 
66     void invalidateBufferedForeground();
67 
68     virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
69 
localTransform()70     virtual AffineTransform localTransform() const { return m_localTransform; }
71 
72     bool m_needsBoundariesUpdate : 1;
73     bool m_needsTransformUpdate : 1;
74     AffineTransform m_localTransform;
75     FloatRect m_objectBoundingBox;
76     FloatRect m_repaintBoundingBox;
77     OwnPtr<RenderImageResource> m_imageResource;
78 
79     OwnPtr<ImageBuffer> m_bufferedForeground;
80 };
81 
82 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGImage, isSVGImage());
83 
84 } // namespace WebCore
85 
86 #endif // RenderSVGImage_h
87