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SVGFEComponentTransferElement.cpp

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00001 /*
00002     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
00003                   2004, 2005 Rob Buis <buis@kde.org>
00004 
00005     This file is part of the KDE project
00006 
00007     This library is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU Library General Public
00009     License as published by the Free Software Foundation; either
00010     version 2 of the License, or (at your option) any later version.
00011 
00012     This library is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     Library General Public License for more details.
00016 
00017     You should have received a copy of the GNU Library General Public License
00018     along with this library; see the file COPYING.LIB.  If not, write to
00019     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020     Boston, MA 02110-1301, USA.
00021 */
00022 
00023 #include "config.h"
00024 
00025 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
00026 #include "SVGFEComponentTransferElement.h"
00027 
00028 #include "Attr.h"
00029 #include "SVGNames.h"
00030 #include "SVGRenderStyle.h"
00031 #include "SVGFEFuncRElement.h"
00032 #include "SVGFEFuncGElement.h"
00033 #include "SVGFEFuncBElement.h"
00034 #include "SVGFEFuncAElement.h"
00035 #include "SVGResourceFilter.h"
00036 
00037 namespace WebCore {
00038 
00039 SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document* doc)
00040     : SVGFilterPrimitiveStandardAttributes(tagName, doc)
00041     , m_filterEffect(0)
00042 {
00043 }
00044 
00045 SVGFEComponentTransferElement::~SVGFEComponentTransferElement()
00046 {
00047     delete m_filterEffect;
00048 }
00049 
00050 ANIMATED_PROPERTY_DEFINITIONS(SVGFEComponentTransferElement, String, String, string, In1, in1, SVGNames::inAttr, m_in1)
00051 
00052 void SVGFEComponentTransferElement::parseMappedAttribute(MappedAttribute* attr)
00053 {
00054     const String& value = attr->value();
00055     if (attr->name() == SVGNames::inAttr)
00056         setIn1BaseValue(value);
00057     else
00058         SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
00059 }
00060 
00061 SVGFEComponentTransfer* SVGFEComponentTransferElement::filterEffect(SVGResourceFilter* filter) const
00062 {
00063     if (!m_filterEffect)
00064         m_filterEffect = new SVGFEComponentTransfer(filter);
00065     
00066     m_filterEffect->setIn(in1());
00067     setStandardAttributes(m_filterEffect);
00068     
00069     for (Node* n = firstChild(); n != 0; n = n->nextSibling()) {
00070         if (n->hasTagName(SVGNames::feFuncRTag))
00071             m_filterEffect->setRedFunction(static_cast<SVGFEFuncRElement*>(n)->transferFunction());
00072         else if (n->hasTagName(SVGNames::feFuncGTag))
00073             m_filterEffect->setGreenFunction(static_cast<SVGFEFuncGElement*>(n)->transferFunction());
00074         else if (n->hasTagName(SVGNames::feFuncBTag))
00075             m_filterEffect->setBlueFunction(static_cast<SVGFEFuncBElement*>(n)->transferFunction());
00076         else if (n->hasTagName(SVGNames::feFuncATag))
00077             m_filterEffect->setAlphaFunction(static_cast<SVGFEFuncAElement*>(n)->transferFunction());
00078     }
00079 
00080     return m_filterEffect;
00081 }
00082 
00083 }
00084 
00085 #endif // ENABLE(SVG)
00086 
00087 // vim:ts=4:noet

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