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 "SVGFESpecularLightingElement.h" 26 27 #include "Attribute.h" 28 #include "FilterEffect.h" 29 #include "RenderStyle.h" 30 #include "SVGColor.h" 31 #include "SVGFELightElement.h" 32 #include "SVGFilterBuilder.h" 33 #include "SVGNames.h" 34 #include "SVGParserUtilities.h" 35 36 namespace WebCore { 37 38 // Animated property definitions 39 DEFINE_ANIMATED_STRING(SVGFESpecularLightingElement, SVGNames::inAttr, In1, in1) 40 DEFINE_ANIMATED_NUMBER(SVGFESpecularLightingElement, SVGNames::specularConstantAttr, SpecularConstant, specularConstant) 41 DEFINE_ANIMATED_NUMBER(SVGFESpecularLightingElement, SVGNames::specularExponentAttr, SpecularExponent, specularExponent) 42 DEFINE_ANIMATED_NUMBER(SVGFESpecularLightingElement, SVGNames::surfaceScaleAttr, SurfaceScale, surfaceScale) 43 DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFESpecularLightingElement, SVGNames::kernelUnitLengthAttr, kernelUnitLengthXIdentifier(), KernelUnitLengthX, kernelUnitLengthX) 44 DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFESpecularLightingElement, SVGNames::kernelUnitLengthAttr, kernelUnitLengthYIdentifier(), KernelUnitLengthY, kernelUnitLengthY) 45 46 inline SVGFESpecularLightingElement::SVGFESpecularLightingElement(const QualifiedName& tagName, Document* document) 47 : SVGFilterPrimitiveStandardAttributes(tagName, document) 48 , m_specularConstant(1) 49 , m_specularExponent(1) 50 , m_surfaceScale(1) 51 { 52 } 53 54 PassRefPtr<SVGFESpecularLightingElement> SVGFESpecularLightingElement::create(const QualifiedName& tagName, Document* document) 55 { 56 return adoptRef(new SVGFESpecularLightingElement(tagName, document)); 57 } 58 59 const AtomicString& SVGFESpecularLightingElement::kernelUnitLengthXIdentifier() 60 { 61 DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGKernelUnitLengthX")); 62 return s_identifier; 63 } 64 65 const AtomicString& SVGFESpecularLightingElement::kernelUnitLengthYIdentifier() 66 { 67 DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGKernelUnitLengthY")); 68 return s_identifier; 69 } 70 71 void SVGFESpecularLightingElement::parseMappedAttribute(Attribute* attr) 72 { 73 const String& value = attr->value(); 74 if (attr->name() == SVGNames::inAttr) 75 setIn1BaseValue(value); 76 else if (attr->name() == SVGNames::surfaceScaleAttr) 77 setSurfaceScaleBaseValue(value.toFloat()); 78 else if (attr->name() == SVGNames::specularConstantAttr) 79 setSpecularConstantBaseValue(value.toFloat()); 80 else if (attr->name() == SVGNames::specularExponentAttr) 81 setSpecularExponentBaseValue(value.toFloat()); 82 else if (attr->name() == SVGNames::kernelUnitLengthAttr) { 83 float x, y; 84 if (parseNumberOptionalNumber(value, x, y)) { 85 setKernelUnitLengthXBaseValue(x); 86 setKernelUnitLengthYBaseValue(y); 87 } 88 } else 89 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr); 90 } 91 92 bool SVGFESpecularLightingElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName) 93 { 94 FESpecularLighting* specularLighting = static_cast<FESpecularLighting*>(effect); 95 96 if (attrName == SVGNames::lighting_colorAttr) { 97 RenderObject* renderer = this->renderer(); 98 ASSERT(renderer); 99 ASSERT(renderer->style()); 100 return specularLighting->setLightingColor(renderer->style()->svgStyle()->lightingColor()); 101 } 102 if (attrName == SVGNames::surfaceScaleAttr) 103 return specularLighting->setSurfaceScale(surfaceScale()); 104 if (attrName == SVGNames::specularConstantAttr) 105 return specularLighting->setSpecularConstant(specularConstant()); 106 if (attrName == SVGNames::specularExponentAttr) 107 return specularLighting->setSpecularExponent(specularExponent()); 108 109 LightSource* lightSource = const_cast<LightSource*>(specularLighting->lightSource()); 110 const SVGFELightElement* lightElement = SVGFELightElement::findLightElement(this); 111 ASSERT(lightSource); 112 ASSERT(lightElement); 113 114 if (attrName == SVGNames::azimuthAttr) 115 return lightSource->setAzimuth(lightElement->azimuth()); 116 if (attrName == SVGNames::elevationAttr) 117 return lightSource->setElevation(lightElement->elevation()); 118 if (attrName == SVGNames::xAttr) 119 return lightSource->setX(lightElement->x()); 120 if (attrName == SVGNames::yAttr) 121 return lightSource->setY(lightElement->y()); 122 if (attrName == SVGNames::zAttr) 123 return lightSource->setZ(lightElement->z()); 124 if (attrName == SVGNames::pointsAtXAttr) 125 return lightSource->setPointsAtX(lightElement->pointsAtX()); 126 if (attrName == SVGNames::pointsAtYAttr) 127 return lightSource->setPointsAtY(lightElement->pointsAtY()); 128 if (attrName == SVGNames::pointsAtZAttr) 129 return lightSource->setPointsAtZ(lightElement->pointsAtZ()); 130 if (attrName == SVGNames::specularExponentAttr) 131 return lightSource->setSpecularExponent(lightElement->specularExponent()); 132 if (attrName == SVGNames::limitingConeAngleAttr) 133 return lightSource->setLimitingConeAngle(lightElement->limitingConeAngle()); 134 135 ASSERT_NOT_REACHED(); 136 return false; 137 } 138 139 void SVGFESpecularLightingElement::svgAttributeChanged(const QualifiedName& attrName) 140 { 141 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); 142 143 if (attrName == SVGNames::surfaceScaleAttr 144 || attrName == SVGNames::specularConstantAttr 145 || attrName == SVGNames::specularExponentAttr 146 || attrName == SVGNames::kernelUnitLengthAttr) 147 primitiveAttributeChanged(attrName); 148 149 if (attrName == SVGNames::inAttr) 150 invalidate(); 151 } 152 153 void SVGFESpecularLightingElement::lightElementAttributeChanged(const SVGFELightElement* lightElement, const QualifiedName& attrName) 154 { 155 if (SVGFELightElement::findLightElement(this) != lightElement) 156 return; 157 158 // The light element has different attribute names so attrName can identify the requested attribute. 159 primitiveAttributeChanged(attrName); 160 } 161 162 void SVGFESpecularLightingElement::synchronizeProperty(const QualifiedName& attrName) 163 { 164 SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName); 165 166 if (attrName == anyQName()) { 167 synchronizeIn1(); 168 synchronizeSurfaceScale(); 169 synchronizeSpecularConstant(); 170 synchronizeSpecularExponent(); 171 synchronizeKernelUnitLengthX(); 172 synchronizeKernelUnitLengthY(); 173 return; 174 } 175 176 if (attrName == SVGNames::inAttr) 177 synchronizeIn1(); 178 else if (attrName == SVGNames::surfaceScaleAttr) 179 synchronizeSurfaceScale(); 180 else if (attrName == SVGNames::specularConstantAttr) 181 synchronizeSpecularConstant(); 182 else if (attrName == SVGNames::specularExponentAttr) 183 synchronizeSpecularExponent(); 184 else if (attrName == SVGNames::kernelUnitLengthAttr) { 185 synchronizeKernelUnitLengthX(); 186 synchronizeKernelUnitLengthY(); 187 } 188 } 189 190 AttributeToPropertyTypeMap& SVGFESpecularLightingElement::attributeToPropertyTypeMap() 191 { 192 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ()); 193 return s_attributeToPropertyTypeMap; 194 } 195 196 void SVGFESpecularLightingElement::fillAttributeToPropertyTypeMap() 197 { 198 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap(); 199 200 SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap); 201 attributeToPropertyTypeMap.set(SVGNames::inAttr, AnimatedString); 202 attributeToPropertyTypeMap.set(SVGNames::specularConstantAttr, AnimatedNumber); 203 attributeToPropertyTypeMap.set(SVGNames::specularExponentAttr, AnimatedNumber); 204 attributeToPropertyTypeMap.set(SVGNames::surfaceScaleAttr, AnimatedNumber); 205 attributeToPropertyTypeMap.set(SVGNames::kernelUnitLengthAttr, AnimatedNumberOptionalNumber); 206 } 207 208 PassRefPtr<FilterEffect> SVGFESpecularLightingElement::build(SVGFilterBuilder* filterBuilder, Filter* filter) 209 { 210 FilterEffect* input1 = filterBuilder->getEffectById(in1()); 211 212 if (!input1) 213 return 0; 214 215 RefPtr<LightSource> lightSource = SVGFELightElement::findLightSource(this); 216 if (!lightSource) 217 return 0; 218 219 RefPtr<RenderStyle> filterStyle = styleForRenderer(); 220 221 Color color = filterStyle->svgStyle()->lightingColor(); 222 223 RefPtr<FilterEffect> effect = FESpecularLighting::create(filter, color, surfaceScale(), specularConstant(), 224 specularExponent(), kernelUnitLengthX(), kernelUnitLengthY(), lightSource.release()); 225 effect->inputEffects().append(input1); 226 return effect.release(); 227 } 228 229 } 230 231 #endif // ENABLE(SVG) 232