1 /* 2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis (at) 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 #include "core/SVGNames.h" 25 #include "core/svg/SVGAnimatedBoolean.h" 26 #include "core/svg/SVGAnimatedNumber.h" 27 #include "core/svg/SVGAnimatedPath.h" 28 #include "core/svg/SVGGeometryElement.h" 29 #include "core/svg/SVGPathByteStream.h" 30 #include "wtf/WeakPtr.h" 31 32 namespace blink { 33 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 54 class SVGPathElement FINAL : public SVGGeometryElement { 55 DEFINE_WRAPPERTYPEINFO(); 56 public: 57 DECLARE_NODE_FACTORY(SVGPathElement); 58 59 float getTotalLength(); 60 PassRefPtr<SVGPointTearOff> getPointAtLength(float distance); 61 unsigned getPathSegAtLength(float distance); 62 63 SVGAnimatedNumber* pathLength() { return m_pathLength.get(); } 64 65 PassRefPtr<SVGPathSegClosePath> createSVGPathSegClosePath(); 66 PassRefPtr<SVGPathSegMovetoAbs> createSVGPathSegMovetoAbs(float x, float y); 67 PassRefPtr<SVGPathSegMovetoRel> createSVGPathSegMovetoRel(float x, float y); 68 PassRefPtr<SVGPathSegLinetoAbs> createSVGPathSegLinetoAbs(float x, float y); 69 PassRefPtr<SVGPathSegLinetoRel> createSVGPathSegLinetoRel(float x, float y); 70 PassRefPtr<SVGPathSegCurvetoCubicAbs> createSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2); 71 PassRefPtr<SVGPathSegCurvetoCubicRel> createSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2); 72 PassRefPtr<SVGPathSegCurvetoQuadraticAbs> createSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1); 73 PassRefPtr<SVGPathSegCurvetoQuadraticRel> createSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1); 74 PassRefPtr<SVGPathSegArcAbs> createSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag); 75 PassRefPtr<SVGPathSegArcRel> createSVGPathSegArcRel(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag); 76 PassRefPtr<SVGPathSegLinetoHorizontalAbs> createSVGPathSegLinetoHorizontalAbs(float x); 77 PassRefPtr<SVGPathSegLinetoHorizontalRel> createSVGPathSegLinetoHorizontalRel(float x); 78 PassRefPtr<SVGPathSegLinetoVerticalAbs> createSVGPathSegLinetoVerticalAbs(float y); 79 PassRefPtr<SVGPathSegLinetoVerticalRel> createSVGPathSegLinetoVerticalRel(float y); 80 PassRefPtr<SVGPathSegCurvetoCubicSmoothAbs> createSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2); 81 PassRefPtr<SVGPathSegCurvetoCubicSmoothRel> createSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2); 82 PassRefPtr<SVGPathSegCurvetoQuadraticSmoothAbs> createSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y); 83 PassRefPtr<SVGPathSegCurvetoQuadraticSmoothRel> createSVGPathSegCurvetoQuadraticSmoothRel(float x, float y); 84 85 // Used in the bindings only. 86 SVGPathSegListTearOff* pathSegList() { return m_pathSegList->baseVal(); } 87 SVGPathSegListTearOff* animatedPathSegList() { return m_pathSegList->animVal(); } 88 89 // FIXME: https://bugs.webkit.org/show_bug.cgi?id=15412 - Implement normalized path segment lists! 90 SVGPathSegListTearOff* normalizedPathSegList() { return 0; } 91 SVGPathSegListTearOff* animatedNormalizedPathSegList() { return 0; } 92 93 const SVGPathByteStream* pathByteStream() const { return m_pathSegList->currentValue()->byteStream(); } 94 95 void pathSegListChanged(ListModification = ListModificationUnknown); 96 97 virtual FloatRect getBBox() OVERRIDE; 98 99 private: 100 explicit SVGPathElement(Document&); 101 102 bool isSupportedAttribute(const QualifiedName&); 103 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 104 virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE; 105 106 virtual Node::InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 107 virtual void removedFrom(ContainerNode*) OVERRIDE; 108 109 void invalidateMPathDependencies(); 110 111 RefPtr<SVGAnimatedNumber> m_pathLength; 112 RefPtr<SVGAnimatedPath> m_pathSegList; 113 }; 114 115 } // namespace blink 116 117 #endif // SVGPathElement_h 118
