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 #if ENABLE(SVG)
28 #include "AffineTransform.h"
29 #include "FloatRect.h"
30 #include "RenderSVGModelObject.h"
31 #include "SVGPreserveAspectRatio.h"
32 #include "SVGRenderSupport.h"
33
34 namespace WebCore {
35
36 class RenderImageResource;
37 class SVGImageElement;
38
39 class RenderSVGImage : public RenderSVGModelObject {
40 public:
41 RenderSVGImage(SVGImageElement*);
42 virtual ~RenderSVGImage();
43
setNeedsTransformUpdate()44 virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
45 virtual void updateFromElement();
46
imageResource()47 RenderImageResource* imageResource() { return m_imageResource.get(); }
imageResource()48 const RenderImageResource* imageResource() const { return m_imageResource.get(); }
49
50 private:
renderName()51 virtual const char* renderName() const { return "RenderSVGImage"; }
isSVGImage()52 virtual bool isSVGImage() const { return true; }
53
localToParentTransform()54 virtual const AffineTransform& localToParentTransform() const { return m_localTransform; }
55
objectBoundingBox()56 virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; }
strokeBoundingBox()57 virtual FloatRect strokeBoundingBox() const { return m_objectBoundingBox; }
repaintRectInLocalCoordinates()58 virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; }
59
60 virtual void addFocusRingRects(Vector<IntRect>&, int tx, int ty);
61
62 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0);
63
64 virtual void layout();
65 virtual void paint(PaintInfo&, int parentX, int parentY);
66
requiresLayer()67 virtual bool requiresLayer() const { return false; }
68
69 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
70
localTransform()71 virtual AffineTransform localTransform() const { return m_localTransform; }
72
73 bool m_updateCachedRepaintRect : 1;
74 bool m_needsTransformUpdate : 1;
75 AffineTransform m_localTransform;
76 FloatRect m_objectBoundingBox;
77 FloatRect m_repaintBoundingBox;
78 OwnPtr<RenderImageResource> m_imageResource;
79 };
80
toRenderSVGImage(RenderObject * object)81 inline RenderSVGImage* toRenderSVGImage(RenderObject* object)
82 {
83 ASSERT(!object || object->isSVGImage());
84 return static_cast<RenderSVGImage*>(object);
85 }
86
toRenderSVGImage(const RenderObject * object)87 inline const RenderSVGImage* toRenderSVGImage(const RenderObject* object)
88 {
89 ASSERT(!object || object->isSVGImage());
90 return static_cast<const RenderSVGImage*>(object);
91 }
92
93 // This will catch anyone doing an unnecessary cast.
94 void toRenderSVGImage(const RenderSVGImage*);
95
96 } // namespace WebCore
97
98 #endif // ENABLE(SVG)
99 #endif // RenderSVGImage_h
100