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SVGPathElement.h
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1/*
2 Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4
5 This file is part of the KDE project
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public
9 License as published by the Free Software Foundation; either
10 version 2 of the License, or (at your option) any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Library General Public License for more details.
16
17 You should have received a copy of the GNU Library General Public License
18 along with this library; see the file COPYING.LIB. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA.
21*/
22
23#ifndef SVGPathElement_h
24#define SVGPathElement_h
25
26#if ENABLE(SVG)
27#include "SVGAnimatedPathData.h"
28#include "SVGExternalResourcesRequired.h"
29#include "SVGLangSpace.h"
30#include "SVGStyledTransformableElement.h"
31#include "SVGTests.h"
32
33namespace WebCore {
34
35 class SVGPathSeg;
36 class SVGPathSegArcAbs;
37 class SVGPathSegArcRel;
38 class SVGPathSegClosePath;
39 class SVGPathSegLinetoAbs;
40 class SVGPathSegLinetoRel;
41 class SVGPathSegMovetoAbs;
42 class SVGPathSegMovetoRel;
43 class SVGPathSegCurvetoCubicAbs;
44 class SVGPathSegCurvetoCubicRel;
45 class SVGPathSegLinetoVerticalAbs;
46 class SVGPathSegLinetoVerticalRel;
47 class SVGPathSegLinetoHorizontalAbs;
48 class SVGPathSegLinetoHorizontalRel;
49 class SVGPathSegCurvetoQuadraticAbs;
50 class SVGPathSegCurvetoQuadraticRel;
51 class SVGPathSegCurvetoCubicSmoothAbs;
52 class SVGPathSegCurvetoCubicSmoothRel;
53 class SVGPathSegCurvetoQuadraticSmoothAbs;
54 class SVGPathSegCurvetoQuadraticSmoothRel;
55 class SVGPathElement : public SVGStyledTransformableElement,
56 public SVGTests,
57 public SVGLangSpace,
58 public SVGExternalResourcesRequired,
59 public SVGAnimatedPathData
60 {
61 public:
62 SVGPathElement(const QualifiedName&, Document*);
63 virtual ~SVGPathElement();
64
65 virtual bool isValid() const { return SVGTests::isValid(); }
66 float getTotalLength();
67 FloatPoint getPointAtLength(float distance);
68 unsigned long getPathSegAtLength(float distance);
69
70 static PassRefPtr<SVGPathSegClosePath> createSVGPathSegClosePath();
71 static PassRefPtr<SVGPathSegMovetoAbs> createSVGPathSegMovetoAbs(float x, float y);
72 static PassRefPtr<SVGPathSegMovetoRel> createSVGPathSegMovetoRel(float x, float y);
73 static PassRefPtr<SVGPathSegLinetoAbs> createSVGPathSegLinetoAbs(float x, float y);
74 static PassRefPtr<SVGPathSegLinetoRel> createSVGPathSegLinetoRel(float x, float y);
75 static PassRefPtr<SVGPathSegCurvetoCubicAbs> createSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2);
76 static PassRefPtr<SVGPathSegCurvetoCubicRel> createSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2);
77 static PassRefPtr<SVGPathSegCurvetoQuadraticAbs> createSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1);
78 static PassRefPtr<SVGPathSegCurvetoQuadraticRel> createSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1);
79 static PassRefPtr<SVGPathSegArcAbs> createSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
80 static PassRefPtr<SVGPathSegArcRel> createSVGPathSegArcRel(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
81 static PassRefPtr<SVGPathSegLinetoHorizontalAbs> createSVGPathSegLinetoHorizontalAbs(float x);
82 static PassRefPtr<SVGPathSegLinetoHorizontalRel> createSVGPathSegLinetoHorizontalRel(float x);
83 static PassRefPtr<SVGPathSegLinetoVerticalAbs> createSVGPathSegLinetoVerticalAbs(float y);
84 static PassRefPtr<SVGPathSegLinetoVerticalRel> createSVGPathSegLinetoVerticalRel(float y);
85 static PassRefPtr<SVGPathSegCurvetoCubicSmoothAbs> createSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2);
86 static PassRefPtr<SVGPathSegCurvetoCubicSmoothRel> createSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2);
87 static PassRefPtr<SVGPathSegCurvetoQuadraticSmoothAbs> createSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y);
88 static PassRefPtr<SVGPathSegCurvetoQuadraticSmoothRel> createSVGPathSegCurvetoQuadraticSmoothRel(float x, float y);
89
90 // Derived from: 'SVGAnimatedPathData'
91 virtual SVGPathSegList* pathSegList() const;
92 virtual SVGPathSegList* normalizedPathSegList() const;
93 virtual SVGPathSegList* animatedPathSegList() const;
94 virtual SVGPathSegList* animatedNormalizedPathSegList() const;
95
96 virtual void parseMappedAttribute(MappedAttribute*);
97 virtual void svgAttributeChanged(const QualifiedName&);
98
99 virtual Path toPathData() const;
100
101 virtual bool supportsMarkers() const { return true; }
102
103 // KHTML ElementImpl pure virtual method
104 virtual quint32 id() const;
105 protected:
106 virtual const SVGElement* contextElement() const { return this; }
107
108 private:
109 mutable RefPtr<SVGPathSegList> m_pathSegList;
110
111 ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGExternalResourcesRequired, bool, ExternalResourcesRequired, externalResourcesRequired)
112
113 ANIMATED_PROPERTY_DECLARATIONS(SVGPathElement, float, float, PathLength, pathLength)
114 };
115
116} // namespace WebCore
117
118#endif // ENABLE(SVG)
119#endif
SVGAnimatedPathData.h
SVGExternalResourcesRequired.h
SVGLangSpace.h
SVGStyledTransformableElement.h
SVGTests.h
WebCore
Definition: CSSHelper.h:7
WebCore::Path
khtml::Path Path
Definition: PathTraversalState.h:37
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