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