1 /*
2 Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 2004, 2005 Rob Buis <buis@kde.org>
4 2005 Eric Seidel <eric@webkit.org>
5 2006 Apple Computer, Inc
6 2009 Google, Inc.
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 aint 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 RenderPath_h
25 #define RenderPath_h
26
27 #if ENABLE(SVG)
28
29 #include "FloatRect.h"
30 #include "RenderSVGModelObject.h"
31 #include "TransformationMatrix.h"
32
33 namespace WebCore {
34
35 class FloatPoint;
36 class RenderSVGContainer;
37 class SVGStyledTransformableElement;
38
39 class RenderPath : public RenderSVGModelObject {
40 public:
41 RenderPath(SVGStyledTransformableElement*);
42
43 const Path& path() const;
44
45 private:
46 // Hit-detection seperated for the fill and the stroke
47 bool fillContains(const FloatPoint&, bool requiresFill = true) const;
48 bool strokeContains(const FloatPoint&, bool requiresStroke = true) const;
49
50 virtual FloatRect objectBoundingBox() const;
51 virtual FloatRect repaintRectInLocalCoordinates() const;
52
53 virtual TransformationMatrix localToParentTransform() const;
54
55 void setPath(const Path&);
56
isRenderPath()57 virtual bool isRenderPath() const { return true; }
renderName()58 virtual const char* renderName() const { return "RenderPath"; }
59
60 virtual void layout();
61 virtual void paint(PaintInfo&, int parentX, int parentY);
62 virtual void addFocusRingRects(GraphicsContext*, int tx, int ty);
63
64 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
65
66 FloatRect drawMarkersIfNeeded(GraphicsContext*, const FloatRect&, const Path&) const;
67
68 private:
69 virtual TransformationMatrix localTransform() const;
70
71 mutable Path m_path;
72 mutable FloatRect m_cachedLocalFillBBox;
73 mutable FloatRect m_cachedLocalRepaintRect;
74 FloatRect m_markerBounds;
75 TransformationMatrix m_localTransform;
76 };
77
toRenderPath(RenderObject * object)78 inline RenderPath* toRenderPath(RenderObject* object)
79 {
80 ASSERT(!object || object->isRenderPath());
81 return static_cast<RenderPath*>(object);
82 }
83
toRenderPath(const RenderObject * object)84 inline const RenderPath* toRenderPath(const RenderObject* object)
85 {
86 ASSERT(!object || object->isRenderPath());
87 return static_cast<const RenderPath*>(object);
88 }
89
90 // This will catch anyone doing an unnecessary cast.
91 void toRenderPath(const RenderPath*);
92
93 }
94
95 #endif // ENABLE(SVG)
96 #endif
97
98 // vim:ts=4:noet
99