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SVGFEColorMatrixElement.cpp

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00001 /*
00002     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
00003                   2004, 2005, 2006 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 "SVGFEColorMatrixElement.h"
00027 
00028 #include "SVGNames.h"
00029 #include "SVGNumberList.h"
00030 #include "SVGResourceFilter.h"
00031 
00032 namespace WebCore {
00033 
00034 SVGFEColorMatrixElement::SVGFEColorMatrixElement(const QualifiedName& tagName, Document* doc)
00035     : SVGFilterPrimitiveStandardAttributes(tagName, doc)
00036     , m_type(SVG_FECOLORMATRIX_TYPE_UNKNOWN)
00037     , m_values(SVGNumberList::create(SVGNames::valuesAttr))
00038     , m_filterEffect(0)
00039 {
00040 }
00041 
00042 SVGFEColorMatrixElement::~SVGFEColorMatrixElement()
00043 {
00044     delete m_filterEffect;
00045 }
00046 
00047 ANIMATED_PROPERTY_DEFINITIONS(SVGFEColorMatrixElement, String, String, string, In1, in1, SVGNames::inAttr, m_in1)
00048 ANIMATED_PROPERTY_DEFINITIONS(SVGFEColorMatrixElement, int, Enumeration, enumeration, Type, type, SVGNames::typeAttr, m_type)
00049 ANIMATED_PROPERTY_DEFINITIONS(SVGFEColorMatrixElement, SVGNumberList*, NumberList, numberList, Values, values, SVGNames::valuesAttr, m_values.get())
00050 
00051 void SVGFEColorMatrixElement::parseMappedAttribute(MappedAttribute* attr)
00052 {
00053     const String& value = attr->value();
00054     if (attr->name() == SVGNames::typeAttr) {
00055         if (value == "matrix")
00056             setTypeBaseValue(SVG_FECOLORMATRIX_TYPE_MATRIX);
00057         else if (value == "saturate")
00058             setTypeBaseValue(SVG_FECOLORMATRIX_TYPE_SATURATE);
00059         else if (value == "hueRotate")
00060             setTypeBaseValue(SVG_FECOLORMATRIX_TYPE_HUEROTATE);
00061         else if (value == "luminanceToAlpha")
00062             setTypeBaseValue(SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA);
00063     }
00064     else if (attr->name() == SVGNames::inAttr)
00065         setIn1BaseValue(value);
00066     else if (attr->name() == SVGNames::valuesAttr)
00067         valuesBaseValue()->parse(value);
00068     else
00069         SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
00070 }
00071 
00072 SVGFEColorMatrix* SVGFEColorMatrixElement::filterEffect(SVGResourceFilter* filter) const
00073 {
00074     if (!m_filterEffect)
00075         m_filterEffect = new SVGFEColorMatrix(filter);
00076         
00077     m_filterEffect->setIn(in1());
00078     setStandardAttributes(m_filterEffect);
00079 
00080     Vector<float> _values;
00081     SVGNumberList* numbers = values();
00082 
00083     ExceptionCode ec = 0;
00084     unsigned int nr = numbers->numberOfItems();
00085     for (unsigned int i = 0;i < nr;i++)
00086         _values.append(numbers->getItem(i, ec));
00087 
00088     m_filterEffect->setValues(_values);
00089     m_filterEffect->setType((SVGColorMatrixType) type());
00090     
00091     return m_filterEffect;
00092 }
00093 
00094 }
00095 
00096 #endif // ENABLE(SVG)
00097 
00098 // vim:ts=4:noet

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