1/* 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005 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#if ENABLE(SVG) && ENABLE(FILTERS) 24#include "SVGFEOffsetElement.h" 25 26#include "Attribute.h" 27#include "FilterEffect.h" 28#include "SVGFilterBuilder.h" 29#include "SVGNames.h" 30 31namespace WebCore { 32 33// Animated property definitions 34DEFINE_ANIMATED_STRING(SVGFEOffsetElement, SVGNames::inAttr, In1, in1) 35DEFINE_ANIMATED_NUMBER(SVGFEOffsetElement, SVGNames::dxAttr, Dx, dx) 36DEFINE_ANIMATED_NUMBER(SVGFEOffsetElement, SVGNames::dyAttr, Dy, dy) 37 38inline SVGFEOffsetElement::SVGFEOffsetElement(const QualifiedName& tagName, Document* document) 39 : SVGFilterPrimitiveStandardAttributes(tagName, document) 40{ 41} 42 43PassRefPtr<SVGFEOffsetElement> SVGFEOffsetElement::create(const QualifiedName& tagName, Document* document) 44{ 45 return adoptRef(new SVGFEOffsetElement(tagName, document)); 46} 47 48void SVGFEOffsetElement::parseMappedAttribute(Attribute* attr) 49{ 50 const String& value = attr->value(); 51 if (attr->name() == SVGNames::dxAttr) 52 setDxBaseValue(value.toFloat()); 53 else if (attr->name() == SVGNames::dyAttr) 54 setDyBaseValue(value.toFloat()); 55 else if (attr->name() == SVGNames::inAttr) 56 setIn1BaseValue(value); 57 else 58 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr); 59} 60 61void SVGFEOffsetElement::svgAttributeChanged(const QualifiedName& attrName) 62{ 63 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); 64 65 if (attrName == SVGNames::inAttr 66 || attrName == SVGNames::dxAttr 67 || attrName == SVGNames::dyAttr) 68 invalidate(); 69} 70 71void SVGFEOffsetElement::synchronizeProperty(const QualifiedName& attrName) 72{ 73 SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName); 74 75 if (attrName == anyQName()) { 76 synchronizeDx(); 77 synchronizeDy(); 78 synchronizeIn1(); 79 return; 80 } 81 82 if (attrName == SVGNames::dxAttr) 83 synchronizeDx(); 84 else if (attrName == SVGNames::dyAttr) 85 synchronizeDy(); 86 else if (attrName == SVGNames::inAttr) 87 synchronizeIn1(); 88} 89 90AttributeToPropertyTypeMap& SVGFEOffsetElement::attributeToPropertyTypeMap() 91{ 92 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ()); 93 return s_attributeToPropertyTypeMap; 94} 95 96void SVGFEOffsetElement::fillAttributeToPropertyTypeMap() 97{ 98 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap(); 99 100 SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap); 101 attributeToPropertyTypeMap.set(SVGNames::inAttr, AnimatedString); 102 attributeToPropertyTypeMap.set(SVGNames::dxAttr, AnimatedNumber); 103 attributeToPropertyTypeMap.set(SVGNames::dyAttr, AnimatedNumber); 104} 105 106PassRefPtr<FilterEffect> SVGFEOffsetElement::build(SVGFilterBuilder* filterBuilder, Filter* filter) 107{ 108 FilterEffect* input1 = filterBuilder->getEffectById(in1()); 109 110 if (!input1) 111 return 0; 112 113 RefPtr<FilterEffect> effect = FEOffset::create(filter, dx(), dy()); 114 effect->inputEffects().append(input1); 115 return effect.release(); 116} 117 118} 119 120#endif // ENABLE(SVG) 121