1/* 2 Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 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 "SVGFEComponentTransferElement.h" 25 26#include "Attr.h" 27#include "MappedAttribute.h" 28#include "SVGFEFuncAElement.h" 29#include "SVGFEFuncBElement.h" 30#include "SVGFEFuncGElement.h" 31#include "SVGFEFuncRElement.h" 32#include "SVGNames.h" 33#include "SVGRenderStyle.h" 34#include "SVGResourceFilter.h" 35 36namespace WebCore { 37 38SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document* doc) 39 : SVGFilterPrimitiveStandardAttributes(tagName, doc) 40{ 41} 42 43SVGFEComponentTransferElement::~SVGFEComponentTransferElement() 44{ 45} 46 47void SVGFEComponentTransferElement::parseMappedAttribute(MappedAttribute* attr) 48{ 49 const String& value = attr->value(); 50 if (attr->name() == SVGNames::inAttr) 51 setIn1BaseValue(value); 52 else 53 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr); 54} 55 56void SVGFEComponentTransferElement::synchronizeProperty(const QualifiedName& attrName) 57{ 58 SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName); 59 60 if (attrName == anyQName() || attrName == SVGNames::inAttr) 61 synchronizeIn1(); 62} 63 64bool SVGFEComponentTransferElement::build(SVGResourceFilter* filterResource) 65{ 66 FilterEffect* input1 = filterResource->builder()->getEffectById(in1()); 67 68 if (!input1) 69 return false; 70 71 ComponentTransferFunction red; 72 ComponentTransferFunction green; 73 ComponentTransferFunction blue; 74 ComponentTransferFunction alpha; 75 76 for (Node* n = firstChild(); n != 0; n = n->nextSibling()) { 77 if (n->hasTagName(SVGNames::feFuncRTag)) 78 red = static_cast<SVGFEFuncRElement*>(n)->transferFunction(); 79 else if (n->hasTagName(SVGNames::feFuncGTag)) 80 green = static_cast<SVGFEFuncGElement*>(n)->transferFunction(); 81 else if (n->hasTagName(SVGNames::feFuncBTag)) 82 blue = static_cast<SVGFEFuncBElement*>(n)->transferFunction(); 83 else if (n->hasTagName(SVGNames::feFuncATag)) 84 alpha = static_cast<SVGFEFuncAElement*>(n)->transferFunction(); 85 } 86 87 RefPtr<FilterEffect> effect = FEComponentTransfer::create(input1, red, green, blue, alpha); 88 filterResource->addFilterEffect(this, effect.release()); 89 90 return true; 91} 92 93} 94 95#endif // ENABLE(SVG) 96 97// vim:ts=4:noet 98