1/* 2 * Copyright (C) 2004, 2005, 2007 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#include "config.h" 22 23#include "core/svg/SVGFETurbulenceElement.h" 24 25#include "SVGNames.h" 26#include "core/svg/SVGElementInstance.h" 27#include "core/svg/SVGParserUtilities.h" 28 29namespace WebCore { 30 31// Animated property definitions 32DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFETurbulenceElement, SVGNames::baseFrequencyAttr, baseFrequencyXIdentifier(), BaseFrequencyX, baseFrequencyX) 33DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFETurbulenceElement, SVGNames::baseFrequencyAttr, baseFrequencyYIdentifier(), BaseFrequencyY, baseFrequencyY) 34DEFINE_ANIMATED_INTEGER(SVGFETurbulenceElement, SVGNames::numOctavesAttr, NumOctaves, numOctaves) 35DEFINE_ANIMATED_NUMBER(SVGFETurbulenceElement, SVGNames::seedAttr, Seed, seed) 36DEFINE_ANIMATED_ENUMERATION(SVGFETurbulenceElement, SVGNames::stitchTilesAttr, StitchTiles, stitchTiles, SVGStitchOptions) 37DEFINE_ANIMATED_ENUMERATION(SVGFETurbulenceElement, SVGNames::typeAttr, Type, type, TurbulenceType) 38 39BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGFETurbulenceElement) 40 REGISTER_LOCAL_ANIMATED_PROPERTY(baseFrequencyX) 41 REGISTER_LOCAL_ANIMATED_PROPERTY(baseFrequencyY) 42 REGISTER_LOCAL_ANIMATED_PROPERTY(numOctaves) 43 REGISTER_LOCAL_ANIMATED_PROPERTY(seed) 44 REGISTER_LOCAL_ANIMATED_PROPERTY(stitchTiles) 45 REGISTER_LOCAL_ANIMATED_PROPERTY(type) 46 REGISTER_PARENT_ANIMATED_PROPERTIES(SVGFilterPrimitiveStandardAttributes) 47END_REGISTER_ANIMATED_PROPERTIES 48 49inline SVGFETurbulenceElement::SVGFETurbulenceElement(Document& document) 50 : SVGFilterPrimitiveStandardAttributes(SVGNames::feTurbulenceTag, document) 51 , m_numOctaves(1) 52 , m_stitchTiles(SVG_STITCHTYPE_NOSTITCH) 53 , m_type(FETURBULENCE_TYPE_TURBULENCE) 54{ 55 ScriptWrappable::init(this); 56 registerAnimatedPropertiesForSVGFETurbulenceElement(); 57} 58 59PassRefPtr<SVGFETurbulenceElement> SVGFETurbulenceElement::create(Document& document) 60{ 61 return adoptRef(new SVGFETurbulenceElement(document)); 62} 63 64const AtomicString& SVGFETurbulenceElement::baseFrequencyXIdentifier() 65{ 66 DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGBaseFrequencyX", AtomicString::ConstructFromLiteral)); 67 return s_identifier; 68} 69 70const AtomicString& SVGFETurbulenceElement::baseFrequencyYIdentifier() 71{ 72 DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGBaseFrequencyY", AtomicString::ConstructFromLiteral)); 73 return s_identifier; 74} 75 76bool SVGFETurbulenceElement::isSupportedAttribute(const QualifiedName& attrName) 77{ 78 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ()); 79 if (supportedAttributes.isEmpty()) { 80 supportedAttributes.add(SVGNames::baseFrequencyAttr); 81 supportedAttributes.add(SVGNames::numOctavesAttr); 82 supportedAttributes.add(SVGNames::seedAttr); 83 supportedAttributes.add(SVGNames::stitchTilesAttr); 84 supportedAttributes.add(SVGNames::typeAttr); 85 } 86 return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName); 87} 88 89void SVGFETurbulenceElement::parseAttribute(const QualifiedName& name, const AtomicString& value) 90{ 91 if (!isSupportedAttribute(name)) { 92 SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value); 93 return; 94 } 95 96 if (name == SVGNames::typeAttr) { 97 TurbulenceType propertyValue = SVGPropertyTraits<TurbulenceType>::fromString(value); 98 if (propertyValue > 0) 99 setTypeBaseValue(propertyValue); 100 return; 101 } 102 103 if (name == SVGNames::stitchTilesAttr) { 104 SVGStitchOptions propertyValue = SVGPropertyTraits<SVGStitchOptions>::fromString(value); 105 if (propertyValue > 0) 106 setStitchTilesBaseValue(propertyValue); 107 return; 108 } 109 110 if (name == SVGNames::baseFrequencyAttr) { 111 float x, y; 112 if (parseNumberOptionalNumber(value, x, y)) { 113 setBaseFrequencyXBaseValue(x); 114 setBaseFrequencyYBaseValue(y); 115 } 116 return; 117 } 118 119 if (name == SVGNames::seedAttr) { 120 setSeedBaseValue(value.toFloat()); 121 return; 122 } 123 124 if (name == SVGNames::numOctavesAttr) { 125 setNumOctavesBaseValue(value.string().toUIntStrict()); 126 return; 127 } 128 129 ASSERT_NOT_REACHED(); 130} 131 132bool SVGFETurbulenceElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName) 133{ 134 FETurbulence* turbulence = static_cast<FETurbulence*>(effect); 135 if (attrName == SVGNames::typeAttr) 136 return turbulence->setType(typeCurrentValue()); 137 if (attrName == SVGNames::stitchTilesAttr) 138 return turbulence->setStitchTiles(stitchTilesCurrentValue()); 139 if (attrName == SVGNames::baseFrequencyAttr) { 140 bool baseFrequencyXChanged = turbulence->setBaseFrequencyX(baseFrequencyXCurrentValue()); 141 bool baseFrequencyYChanged = turbulence->setBaseFrequencyY(baseFrequencyYCurrentValue()); 142 return (baseFrequencyXChanged || baseFrequencyYChanged); 143 } 144 if (attrName == SVGNames::seedAttr) 145 return turbulence->setSeed(seedCurrentValue()); 146 if (attrName == SVGNames::numOctavesAttr) 147 return turbulence->setNumOctaves(numOctavesCurrentValue()); 148 149 ASSERT_NOT_REACHED(); 150 return false; 151} 152 153void SVGFETurbulenceElement::svgAttributeChanged(const QualifiedName& attrName) 154{ 155 if (!isSupportedAttribute(attrName)) { 156 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); 157 return; 158 } 159 160 SVGElementInstance::InvalidationGuard invalidationGuard(this); 161 162 if (attrName == SVGNames::baseFrequencyAttr 163 || attrName == SVGNames::numOctavesAttr 164 || attrName == SVGNames::seedAttr 165 || attrName == SVGNames::stitchTilesAttr 166 || attrName == SVGNames::typeAttr) { 167 primitiveAttributeChanged(attrName); 168 return; 169 } 170 171 ASSERT_NOT_REACHED(); 172} 173 174PassRefPtr<FilterEffect> SVGFETurbulenceElement::build(SVGFilterBuilder*, Filter* filter) 175{ 176 if (baseFrequencyXCurrentValue() < 0 || baseFrequencyYCurrentValue() < 0) 177 return 0; 178 return FETurbulence::create(filter, typeCurrentValue(), baseFrequencyXCurrentValue(), baseFrequencyYCurrentValue(), numOctavesCurrentValue(), seedCurrentValue(), stitchTilesCurrentValue() == SVG_STITCHTYPE_STITCH); 179} 180 181} 182