1 /* 2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2008 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 SVGPathSeg_h 22 #define SVGPathSeg_h 23 24 #include "bindings/v8/ScriptWrappable.h" 25 #include "wtf/RefCounted.h" 26 #include "wtf/text/WTFString.h" 27 28 namespace WebCore { 29 30 enum ListModification { 31 ListModificationUnknown = 0, 32 ListModificationInsert = 1, 33 ListModificationReplace = 2, 34 ListModificationRemove = 3, 35 ListModificationAppend = 4 36 }; 37 38 enum SVGPathSegType { 39 PathSegUnknown = 0, 40 PathSegClosePath = 1, 41 PathSegMoveToAbs = 2, 42 PathSegMoveToRel = 3, 43 PathSegLineToAbs = 4, 44 PathSegLineToRel = 5, 45 PathSegCurveToCubicAbs = 6, 46 PathSegCurveToCubicRel = 7, 47 PathSegCurveToQuadraticAbs = 8, 48 PathSegCurveToQuadraticRel = 9, 49 PathSegArcAbs = 10, 50 PathSegArcRel = 11, 51 PathSegLineToHorizontalAbs = 12, 52 PathSegLineToHorizontalRel = 13, 53 PathSegLineToVerticalAbs = 14, 54 PathSegLineToVerticalRel = 15, 55 PathSegCurveToCubicSmoothAbs = 16, 56 PathSegCurveToCubicSmoothRel = 17, 57 PathSegCurveToQuadraticSmoothAbs = 18, 58 PathSegCurveToQuadraticSmoothRel = 19 59 }; 60 61 enum SVGPathSegRole { 62 PathSegUnalteredRole = 0, 63 PathSegNormalizedRole = 1, 64 PathSegUndefinedRole = 2 65 }; 66 67 class SVGPropertyBase; 68 class SVGPathElement; 69 class SVGElement; 70 71 class SVGPathSeg : public RefCounted<SVGPathSeg>, public ScriptWrappable { 72 public: 73 // SVGPathSeg itself is used as a tear-off type. 74 // FIXME: A tear-off type should be introduced to distinguish animVal/baseVal 75 typedef SVGPathSeg TearOffType; 76 77 explicit SVGPathSeg(SVGPathElement* contextElement); 78 ~SVGPathSeg()79 virtual ~SVGPathSeg() { } 80 81 // Forward declare these enums in the w3c naming scheme, for IDL generation 82 enum { 83 PATHSEG_UNKNOWN = PathSegUnknown, 84 PATHSEG_CLOSEPATH = PathSegClosePath, 85 PATHSEG_MOVETO_ABS = PathSegMoveToAbs, 86 PATHSEG_MOVETO_REL = PathSegMoveToRel, 87 PATHSEG_LINETO_ABS = PathSegLineToAbs, 88 PATHSEG_LINETO_REL = PathSegLineToRel, 89 PATHSEG_CURVETO_CUBIC_ABS = PathSegCurveToCubicAbs, 90 PATHSEG_CURVETO_CUBIC_REL = PathSegCurveToCubicRel, 91 PATHSEG_CURVETO_QUADRATIC_ABS = PathSegCurveToQuadraticAbs, 92 PATHSEG_CURVETO_QUADRATIC_REL = PathSegCurveToQuadraticRel, 93 PATHSEG_ARC_ABS = PathSegArcAbs, 94 PATHSEG_ARC_REL = PathSegArcRel, 95 PATHSEG_LINETO_HORIZONTAL_ABS = PathSegLineToHorizontalAbs, 96 PATHSEG_LINETO_HORIZONTAL_REL = PathSegLineToHorizontalRel, 97 PATHSEG_LINETO_VERTICAL_ABS = PathSegLineToVerticalAbs, 98 PATHSEG_LINETO_VERTICAL_REL = PathSegLineToVerticalRel, 99 PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = PathSegCurveToCubicSmoothAbs, 100 PATHSEG_CURVETO_CUBIC_SMOOTH_REL = PathSegCurveToCubicSmoothRel, 101 PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = PathSegCurveToQuadraticSmoothAbs, 102 PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = PathSegCurveToQuadraticSmoothRel 103 }; 104 105 virtual unsigned short pathSegType() const = 0; 106 virtual String pathSegTypeAsLetter() const = 0; 107 ownerList()108 SVGPropertyBase* ownerList() const 109 { 110 return m_ownerList; 111 } 112 setOwnerList(SVGPropertyBase * ownerList)113 void setOwnerList(SVGPropertyBase* ownerList) 114 { 115 // Previous owner list must be cleared before setting new owner list. 116 ASSERT((!ownerList && m_ownerList) || (ownerList && !m_ownerList)); 117 118 m_ownerList = ownerList; 119 } 120 setContextElement(SVGElement * contextElement)121 void setContextElement(SVGElement* contextElement) 122 { 123 m_contextElement = contextElement; 124 } 125 126 protected: 127 void commitChange(); 128 129 private: 130 // FIXME: oilpan: These are kept as raw ptrs to break reference cycle. Should be Member in oilpan. 131 SVGPropertyBase* m_ownerList; 132 SVGElement* m_contextElement; 133 }; 134 135 } // namespace WebCore 136 137 #endif 138