1 /* 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis (at) kde.org> 4 * Copyright (C) 2005 Oliver Hunt <oliver (at) nerget.com> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #include "config.h" 23 24 #if ENABLE(SVG) && ENABLE(FILTERS) 25 #include "SVGFELightElement.h" 26 27 #include "Attribute.h" 28 #include "RenderObject.h" 29 #include "RenderSVGResource.h" 30 #include "SVGFEDiffuseLightingElement.h" 31 #include "SVGFESpecularLightingElement.h" 32 #include "SVGFilterElement.h" 33 #include "SVGFilterPrimitiveStandardAttributes.h" 34 #include "SVGNames.h" 35 36 namespace WebCore { 37 38 // Animated property definitions 39 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::azimuthAttr, Azimuth, azimuth) 40 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::elevationAttr, Elevation, elevation) 41 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::xAttr, X, x) 42 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::yAttr, Y, y) 43 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::zAttr, Z, z) 44 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::pointsAtXAttr, PointsAtX, pointsAtX) 45 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::pointsAtYAttr, PointsAtY, pointsAtY) 46 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::pointsAtZAttr, PointsAtZ, pointsAtZ) 47 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::specularExponentAttr, SpecularExponent, specularExponent) 48 DEFINE_ANIMATED_NUMBER(SVGFELightElement, SVGNames::limitingConeAngleAttr, LimitingConeAngle, limitingConeAngle) 49 50 SVGFELightElement::SVGFELightElement(const QualifiedName& tagName, Document* document) 51 : SVGElement(tagName, document) 52 , m_specularExponent(1) 53 { 54 } 55 56 SVGFELightElement* SVGFELightElement::findLightElement(const SVGElement* svgElement) 57 { 58 for (Node* node = svgElement->firstChild(); node; node = node->nextSibling()) { 59 if (node->hasTagName(SVGNames::feDistantLightTag) 60 || node->hasTagName(SVGNames::fePointLightTag) 61 || node->hasTagName(SVGNames::feSpotLightTag)) { 62 return static_cast<SVGFELightElement*>(node); 63 } 64 } 65 return 0; 66 } 67 68 PassRefPtr<LightSource> SVGFELightElement::findLightSource(const SVGElement* svgElement) 69 { 70 SVGFELightElement* lightNode = findLightElement(svgElement); 71 if (!lightNode) 72 return 0; 73 return lightNode->lightSource(); 74 } 75 76 void SVGFELightElement::parseMappedAttribute(Attribute* attr) 77 { 78 const String& value = attr->value(); 79 if (attr->name() == SVGNames::azimuthAttr) 80 setAzimuthBaseValue(value.toFloat()); 81 else if (attr->name() == SVGNames::elevationAttr) 82 setElevationBaseValue(value.toFloat()); 83 else if (attr->name() == SVGNames::xAttr) 84 setXBaseValue(value.toFloat()); 85 else if (attr->name() == SVGNames::yAttr) 86 setYBaseValue(value.toFloat()); 87 else if (attr->name() == SVGNames::zAttr) 88 setZBaseValue(value.toFloat()); 89 else if (attr->name() == SVGNames::pointsAtXAttr) 90 setPointsAtXBaseValue(value.toFloat()); 91 else if (attr->name() == SVGNames::pointsAtYAttr) 92 setPointsAtYBaseValue(value.toFloat()); 93 else if (attr->name() == SVGNames::pointsAtZAttr) 94 setPointsAtZBaseValue(value.toFloat()); 95 else if (attr->name() == SVGNames::specularExponentAttr) 96 setSpecularExponentBaseValue(value.toFloat()); 97 else if (attr->name() == SVGNames::limitingConeAngleAttr) 98 setLimitingConeAngleBaseValue(value.toFloat()); 99 else 100 SVGElement::parseMappedAttribute(attr); 101 } 102 103 void SVGFELightElement::svgAttributeChanged(const QualifiedName& attrName) 104 { 105 SVGElement::svgAttributeChanged(attrName); 106 107 if (attrName == SVGNames::azimuthAttr 108 || attrName == SVGNames::elevationAttr 109 || attrName == SVGNames::xAttr 110 || attrName == SVGNames::yAttr 111 || attrName == SVGNames::zAttr 112 || attrName == SVGNames::pointsAtXAttr 113 || attrName == SVGNames::pointsAtYAttr 114 || attrName == SVGNames::pointsAtZAttr 115 || attrName == SVGNames::specularExponentAttr 116 || attrName == SVGNames::limitingConeAngleAttr) { 117 ContainerNode* parent = parentNode(); 118 if (!parent) 119 return; 120 121 RenderObject* renderer = parent->renderer(); 122 if (!renderer || !renderer->isSVGResourceFilterPrimitive()) 123 return; 124 125 if (parent->hasTagName(SVGNames::feDiffuseLightingTag)) { 126 SVGFEDiffuseLightingElement* diffuseLighting = static_cast<SVGFEDiffuseLightingElement*>(parent); 127 diffuseLighting->lightElementAttributeChanged(this, attrName); 128 return; 129 } else if (parent->hasTagName(SVGNames::feSpecularLightingTag)) { 130 SVGFESpecularLightingElement* specularLighting = static_cast<SVGFESpecularLightingElement*>(parent); 131 specularLighting->lightElementAttributeChanged(this, attrName); 132 return; 133 } 134 } 135 } 136 137 void SVGFELightElement::synchronizeProperty(const QualifiedName& attrName) 138 { 139 SVGElement::synchronizeProperty(attrName); 140 141 if (attrName == anyQName()) { 142 synchronizeAzimuth(); 143 synchronizeElevation(); 144 synchronizeX(); 145 synchronizeY(); 146 synchronizeZ(); 147 synchronizePointsAtX(); 148 synchronizePointsAtY(); 149 synchronizePointsAtZ(); 150 synchronizeSpecularExponent(); 151 synchronizeLimitingConeAngle(); 152 return; 153 } 154 155 if (attrName == SVGNames::azimuthAttr) 156 synchronizeAzimuth(); 157 else if (attrName == SVGNames::elevationAttr) 158 synchronizeElevation(); 159 else if (attrName == SVGNames::xAttr) 160 synchronizeX(); 161 else if (attrName == SVGNames::yAttr) 162 synchronizeY(); 163 else if (attrName == SVGNames::zAttr) 164 synchronizeZ(); 165 else if (attrName == SVGNames::pointsAtXAttr) 166 synchronizePointsAtX(); 167 else if (attrName == SVGNames::pointsAtYAttr) 168 synchronizePointsAtY(); 169 else if (attrName == SVGNames::pointsAtZAttr) 170 synchronizePointsAtZ(); 171 else if (attrName == SVGNames::specularExponentAttr) 172 synchronizeSpecularExponent(); 173 else if (attrName == SVGNames::limitingConeAngleAttr) 174 synchronizeLimitingConeAngle(); 175 } 176 177 AttributeToPropertyTypeMap& SVGFELightElement::attributeToPropertyTypeMap() 178 { 179 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ()); 180 return s_attributeToPropertyTypeMap; 181 } 182 183 void SVGFELightElement::fillAttributeToPropertyTypeMap() 184 { 185 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap(); 186 attributeToPropertyTypeMap.set(SVGNames::azimuthAttr, AnimatedNumber); 187 attributeToPropertyTypeMap.set(SVGNames::elevationAttr, AnimatedNumber); 188 attributeToPropertyTypeMap.set(SVGNames::xAttr, AnimatedNumber); 189 attributeToPropertyTypeMap.set(SVGNames::yAttr, AnimatedNumber); 190 attributeToPropertyTypeMap.set(SVGNames::zAttr, AnimatedNumber); 191 attributeToPropertyTypeMap.set(SVGNames::pointsAtXAttr, AnimatedNumber); 192 attributeToPropertyTypeMap.set(SVGNames::pointsAtYAttr, AnimatedNumber); 193 attributeToPropertyTypeMap.set(SVGNames::pointsAtZAttr, AnimatedNumber); 194 attributeToPropertyTypeMap.set(SVGNames::specularExponentAttr, AnimatedNumber); 195 attributeToPropertyTypeMap.set(SVGNames::limitingConeAngleAttr, AnimatedNumber); 196 } 197 198 void SVGFELightElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) 199 { 200 SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); 201 202 if (!changedByParser) { 203 if (ContainerNode* parent = parentNode()) { 204 RenderObject* renderer = parent->renderer(); 205 if (renderer && renderer->isSVGResourceFilterPrimitive()) 206 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); 207 } 208 } 209 } 210 211 } 212 213 #endif // ENABLE(SVG) 214