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SVGFETurbulenceElement.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 "SVGFETurbulenceElement.h"
00027 
00028 #include "SVGParserUtilities.h"
00029 #include "SVGResourceFilter.h"
00030 
00031 namespace WebCore {
00032 
00033 SVGFETurbulenceElement::SVGFETurbulenceElement(const QualifiedName& tagName, Document* doc)
00034     : SVGFilterPrimitiveStandardAttributes(tagName, doc)
00035     , m_baseFrequencyX(0.0f)
00036     , m_baseFrequencyY(0.0f)
00037     , m_numOctaves(1)
00038     , m_seed(0.0f)
00039     , m_stitchTiles(SVG_STITCHTYPE_NOSTITCH)
00040     , m_type(SVG_TURBULENCE_TYPE_TURBULENCE)
00041     , m_filterEffect(0)
00042 {
00043 }
00044 
00045 SVGFETurbulenceElement::~SVGFETurbulenceElement()
00046 {
00047     delete m_filterEffect;
00048 }
00049 
00050 ANIMATED_PROPERTY_DEFINITIONS_WITH_CUSTOM_IDENTIFIER(SVGFETurbulenceElement, float, Number, number, BaseFrequencyX, baseFrequencyX, SVGNames::baseFrequencyAttr, "baseFrequencyX", m_baseFrequencyX)
00051 ANIMATED_PROPERTY_DEFINITIONS_WITH_CUSTOM_IDENTIFIER(SVGFETurbulenceElement, float, Number, number, BaseFrequencyY, baseFrequencyY, SVGNames::baseFrequencyAttr, "baseFrequencyY", m_baseFrequencyY)
00052 ANIMATED_PROPERTY_DEFINITIONS(SVGFETurbulenceElement, float, Number, number, Seed, seed, SVGNames::seedAttr, m_seed)
00053 ANIMATED_PROPERTY_DEFINITIONS(SVGFETurbulenceElement, long, Integer, integer, NumOctaves, numOctaves, SVGNames::numOctavesAttr, m_numOctaves)
00054 ANIMATED_PROPERTY_DEFINITIONS(SVGFETurbulenceElement, int, Enumeration, enumeration, StitchTiles, stitchTiles, SVGNames::stitchTilesAttr, m_stitchTiles)
00055 ANIMATED_PROPERTY_DEFINITIONS(SVGFETurbulenceElement, int, Enumeration, enumeration, Type, type, SVGNames::typeAttr, m_type)
00056 
00057 void SVGFETurbulenceElement::parseMappedAttribute(MappedAttribute* attr)
00058 {
00059     const String& value = attr->value();
00060     if (attr->name() == SVGNames::typeAttr) {
00061         if (value == "fractalNoise")
00062             setTypeBaseValue(SVG_TURBULENCE_TYPE_FRACTALNOISE);
00063         else if (value == "turbulence")
00064             setTypeBaseValue(SVG_TURBULENCE_TYPE_TURBULENCE);
00065     } else if (attr->name() == SVGNames::stitchTilesAttr) {
00066         if (value == "stitch")
00067             setStitchTilesBaseValue(SVG_STITCHTYPE_STITCH);
00068         else if (value == "nostitch")
00069             setStitchTilesBaseValue(SVG_STITCHTYPE_NOSTITCH);
00070     } else if (attr->name() == SVGNames::baseFrequencyAttr) {
00071         float x, y;
00072         if (parseNumberOptionalNumber(value, x, y)) {
00073             setBaseFrequencyXBaseValue(x);
00074             setBaseFrequencyYBaseValue(y);
00075         }
00076     } else if (attr->name() == SVGNames::seedAttr)
00077         setSeedBaseValue(value.toFloat());
00078     else if (attr->name() == SVGNames::numOctavesAttr)
00079         setNumOctavesBaseValue(value.toUIntStrict());
00080     else
00081         SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
00082 }
00083 
00084 SVGFETurbulence* SVGFETurbulenceElement::filterEffect(SVGResourceFilter* filter) const
00085 {
00086     
00087     if (!m_filterEffect)
00088         m_filterEffect = new SVGFETurbulence(filter);
00089     
00090     m_filterEffect->setType((SVGTurbulanceType) type());
00091     m_filterEffect->setBaseFrequencyX(baseFrequencyX());
00092     m_filterEffect->setBaseFrequencyY(baseFrequencyY());
00093     m_filterEffect->setNumOctaves(numOctaves());
00094     m_filterEffect->setSeed(seed());
00095     m_filterEffect->setStitchTiles(stitchTiles() == SVG_STITCHTYPE_STITCH);
00096 
00097     setStandardAttributes(m_filterEffect); 
00098     return m_filterEffect;
00099 }
00100 
00101 }
00102 
00103 #endif // ENABLE(SVG)
00104 
00105 // vim:ts=4:noet

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