1 /* 2 Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 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 #include "config.h" 22 23 #if ENABLE(SVG) 24 #include "SVGLineElement.h" 25 26 #include "FloatPoint.h" 27 #include "MappedAttribute.h" 28 #include "RenderPath.h" 29 #include "SVGLength.h" 30 #include "SVGNames.h" 31 32 namespace WebCore { 33 34 SVGLineElement::SVGLineElement(const QualifiedName& tagName, Document* doc) 35 : SVGStyledTransformableElement(tagName, doc) 36 , SVGTests() 37 , SVGLangSpace() 38 , SVGExternalResourcesRequired() 39 , m_x1(LengthModeWidth) 40 , m_y1(LengthModeHeight) 41 , m_x2(LengthModeWidth) 42 , m_y2(LengthModeHeight) 43 { 44 } 45 46 SVGLineElement::~SVGLineElement() 47 { 48 } 49 50 void SVGLineElement::parseMappedAttribute(MappedAttribute* attr) 51 { 52 if (attr->name() == SVGNames::x1Attr) 53 setX1BaseValue(SVGLength(LengthModeWidth, attr->value())); 54 else if (attr->name() == SVGNames::y1Attr) 55 setY1BaseValue(SVGLength(LengthModeHeight, attr->value())); 56 else if (attr->name() == SVGNames::x2Attr) 57 setX2BaseValue(SVGLength(LengthModeWidth, attr->value())); 58 else if (attr->name() == SVGNames::y2Attr) 59 setY2BaseValue(SVGLength(LengthModeHeight, attr->value())); 60 else { 61 if (SVGTests::parseMappedAttribute(attr)) 62 return; 63 if (SVGLangSpace::parseMappedAttribute(attr)) 64 return; 65 if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) 66 return; 67 SVGStyledTransformableElement::parseMappedAttribute(attr); 68 } 69 } 70 71 void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName) 72 { 73 SVGStyledTransformableElement::svgAttributeChanged(attrName); 74 75 if (!renderer()) 76 return; 77 78 if (attrName == SVGNames::x1Attr || attrName == SVGNames::y1Attr || 79 attrName == SVGNames::x2Attr || attrName == SVGNames::y2Attr || 80 SVGTests::isKnownAttribute(attrName) || 81 SVGLangSpace::isKnownAttribute(attrName) || 82 SVGExternalResourcesRequired::isKnownAttribute(attrName) || 83 SVGStyledTransformableElement::isKnownAttribute(attrName)) 84 renderer()->setNeedsLayout(true); 85 } 86 87 void SVGLineElement::synchronizeProperty(const QualifiedName& attrName) 88 { 89 SVGStyledTransformableElement::synchronizeProperty(attrName); 90 91 if (attrName == anyQName()) { 92 synchronizeX1(); 93 synchronizeY1(); 94 synchronizeX2(); 95 synchronizeY2(); 96 synchronizeExternalResourcesRequired(); 97 return; 98 } 99 100 if (attrName == SVGNames::x1Attr) 101 synchronizeX1(); 102 else if (attrName == SVGNames::y1Attr) 103 synchronizeY1(); 104 else if (attrName == SVGNames::x2Attr) 105 synchronizeX2(); 106 else if (attrName == SVGNames::y2Attr) 107 synchronizeY2(); 108 else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) 109 synchronizeExternalResourcesRequired(); 110 } 111 112 Path SVGLineElement::toPathData() const 113 { 114 return Path::createLine(FloatPoint(x1().value(this), y1().value(this)), 115 FloatPoint(x2().value(this), y2().value(this))); 116 } 117 118 bool SVGLineElement::hasRelativeValues() const 119 { 120 return (x1().isRelative() || y1().isRelative() || 121 x2().isRelative() || y2().isRelative()); 122 } 123 124 } 125 126 #endif // ENABLE(SVG) 127