1 /* 2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005, 2006 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 SVGGradientElement_h 22 #define SVGGradientElement_h 23 24 #include "SVGNames.h" 25 #include "core/svg/SVGAnimatedBoolean.h" 26 #include "core/svg/SVGAnimatedEnumeration.h" 27 #include "core/svg/SVGAnimatedTransformList.h" 28 #include "core/svg/SVGElement.h" 29 #include "core/svg/SVGExternalResourcesRequired.h" 30 #include "core/svg/SVGURIReference.h" 31 #include "core/svg/SVGUnitTypes.h" 32 #include "platform/graphics/Gradient.h" 33 34 namespace WebCore { 35 36 enum SVGSpreadMethodType { 37 SVGSpreadMethodUnknown = 0, 38 SVGSpreadMethodPad, 39 SVGSpreadMethodReflect, 40 SVGSpreadMethodRepeat 41 }; 42 43 template<> 44 struct SVGPropertyTraits<SVGSpreadMethodType> { 45 static unsigned highestEnumValue() { return SVGSpreadMethodRepeat; } 46 47 static String toString(SVGSpreadMethodType type) 48 { 49 switch (type) { 50 case SVGSpreadMethodUnknown: 51 return emptyString(); 52 case SVGSpreadMethodPad: 53 return "pad"; 54 case SVGSpreadMethodReflect: 55 return "reflect"; 56 case SVGSpreadMethodRepeat: 57 return "repeat"; 58 } 59 60 ASSERT_NOT_REACHED(); 61 return emptyString(); 62 } 63 64 static SVGSpreadMethodType fromString(const String& value) 65 { 66 if (value == "pad") 67 return SVGSpreadMethodPad; 68 if (value == "reflect") 69 return SVGSpreadMethodReflect; 70 if (value == "repeat") 71 return SVGSpreadMethodRepeat; 72 return SVGSpreadMethodUnknown; 73 } 74 }; 75 76 class SVGGradientElement : public SVGElement, 77 public SVGURIReference, 78 public SVGExternalResourcesRequired { 79 public: 80 enum { 81 SVG_SPREADMETHOD_UNKNOWN = SVGSpreadMethodUnknown, 82 SVG_SPREADMETHOD_PAD = SVGSpreadMethodReflect, 83 SVG_SPREADMETHOD_REFLECT = SVGSpreadMethodRepeat, 84 SVG_SPREADMETHOD_REPEAT = SVGSpreadMethodUnknown 85 }; 86 87 Vector<Gradient::ColorStop> buildStops(); 88 89 protected: 90 SVGGradientElement(const QualifiedName&, Document&); 91 92 bool isSupportedAttribute(const QualifiedName&); 93 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 94 virtual void svgAttributeChanged(const QualifiedName&); 95 96 private: 97 virtual bool needsPendingResourceHandling() const { return false; } 98 99 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0); 100 101 BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGGradientElement) 102 DECLARE_ANIMATED_ENUMERATION(SpreadMethod, spreadMethod, SVGSpreadMethodType) 103 DECLARE_ANIMATED_ENUMERATION(GradientUnits, gradientUnits, SVGUnitTypes::SVGUnitType) 104 DECLARE_ANIMATED_TRANSFORM_LIST(GradientTransform, gradientTransform) 105 DECLARE_ANIMATED_STRING(Href, href) 106 DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired) 107 END_DECLARE_ANIMATED_PROPERTIES 108 }; 109 110 inline bool isSVGGradientElement(const Node& node) 111 { 112 return node.hasTagName(SVGNames::radialGradientTag) || node.hasTagName(SVGNames::linearGradientTag); 113 } 114 115 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGGradientElement); 116 117 } // namespace WebCore 118 119 #endif 120