1/* 2 Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 2004, 2005, 2006 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 "SVGComponentTransferFunctionElement.h" 25 26#include "MappedAttribute.h" 27#include "SVGFEComponentTransferElement.h" 28#include "SVGNames.h" 29#include "SVGNumberList.h" 30 31namespace WebCore { 32 33SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document* doc) 34 : SVGElement(tagName, doc) 35 , m_type(FECOMPONENTTRANSFER_TYPE_UNKNOWN) 36 , m_tableValues(SVGNumberList::create(SVGNames::tableValuesAttr)) 37 , m_slope(1.0f) 38 , m_amplitude(1.0f) 39 , m_exponent(1.0f) 40{ 41} 42 43SVGComponentTransferFunctionElement::~SVGComponentTransferFunctionElement() 44{ 45} 46 47void SVGComponentTransferFunctionElement::parseMappedAttribute(MappedAttribute* attr) 48{ 49 const String& value = attr->value(); 50 if (attr->name() == SVGNames::typeAttr) { 51 if (value == "identity") 52 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_IDENTITY); 53 else if (value == "table") 54 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_TABLE); 55 else if (value == "discrete") 56 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_DISCRETE); 57 else if (value == "linear") 58 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_LINEAR); 59 else if (value == "gamma") 60 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_GAMMA); 61 } 62 else if (attr->name() == SVGNames::tableValuesAttr) 63 tableValuesBaseValue()->parse(value); 64 else if (attr->name() == SVGNames::slopeAttr) 65 setSlopeBaseValue(value.toFloat()); 66 else if (attr->name() == SVGNames::interceptAttr) 67 setInterceptBaseValue(value.toFloat()); 68 else if (attr->name() == SVGNames::amplitudeAttr) 69 setAmplitudeBaseValue(value.toFloat()); 70 else if (attr->name() == SVGNames::exponentAttr) 71 setExponentBaseValue(value.toFloat()); 72 else if (attr->name() == SVGNames::offsetAttr) 73 setOffsetBaseValue(value.toFloat()); 74 else 75 SVGElement::parseMappedAttribute(attr); 76} 77 78void SVGComponentTransferFunctionElement::synchronizeProperty(const QualifiedName& attrName) 79{ 80 SVGElement::synchronizeProperty(attrName); 81 82 if (attrName == anyQName()) { 83 synchronizeType(); 84 synchronizeTableValues(); 85 synchronizeSlope(); 86 synchronizeIntercept(); 87 synchronizeAmplitude(); 88 synchronizeExponent(); 89 synchronizeOffset(); 90 return; 91 } 92 93 if (attrName == SVGNames::typeAttr) 94 synchronizeType(); 95 else if (attrName == SVGNames::tableValuesAttr) 96 synchronizeTableValues(); 97 else if (attrName == SVGNames::slopeAttr) 98 synchronizeSlope(); 99 else if (attrName == SVGNames::interceptAttr) 100 synchronizeIntercept(); 101 else if (attrName == SVGNames::amplitudeAttr) 102 synchronizeAmplitude(); 103 else if (attrName == SVGNames::exponentAttr) 104 synchronizeExponent(); 105 else if (attrName == SVGNames::offsetAttr) 106 synchronizeOffset(); 107} 108 109ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const 110{ 111 ComponentTransferFunction func; 112 func.type = (ComponentTransferType) type(); 113 func.slope = slope(); 114 func.intercept = intercept(); 115 func.amplitude = amplitude(); 116 func.exponent = exponent(); 117 func.offset = offset(); 118 SVGNumberList* numbers = tableValues(); 119 120 ExceptionCode ec = 0; 121 unsigned int nr = numbers->numberOfItems(); 122 for (unsigned int i = 0; i < nr; i++) 123 func.tableValues.append(numbers->getItem(i, ec)); 124 return func; 125} 126 127} 128 129#endif // ENABLE(SVG) 130