khtml/svg/SVGComponentTransferFunctionElement.cpp

   1 /*
   2     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
   3                   2004, 2005, 2006 Rob Buis <buis@kde.org>
   4
   5     This file is part of the KDE project
   6
   7     This library is free software; you can redistribute it and/or
   8     modify it under the terms of the GNU Library General Public
   9     License as published by the Free Software Foundation; either
  10     version 2 of the License, or (at your option) any later version.
  11
  12     This library is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     Library General Public License for more details.
  16
  17     You should have received a copy of the GNU Library General Public License
  18     along with this library; see the file COPYING.LIB.  If not, write to
  19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20     Boston, MA 02110-1301, USA.
  21 */
  22
  23 #include "config.h"
  24
  25 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
  26 #include "SVGComponentTransferFunctionElement.h"
  27
  28 #include "SVGFEComponentTransferElement.h"
  29 #include "SVGNames.h"
  30 #include "SVGNumberList.h"
  31
  32 namespace WebCore {
  33
  34 SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document* doc)
  35     : SVGElement(tagName, doc)
  36     , m_type(SVG_FECOMPONENTTRANSFER_TYPE_UNKNOWN)
  37     , m_tableValues(SVGNumberList::create(SVGNames::tableValuesAttr))
  38     , m_slope(1.0f)
  39     , m_intercept(0.0f)
  40     , m_amplitude(1.0f)
  41     , m_exponent(1.0f)
  42     , m_offset(0.0f)
  43 {
  44 }
  45
  46 SVGComponentTransferFunctionElement::~SVGComponentTransferFunctionElement()
  47 {
  48 }
  49
  50 ANIMATED_PROPERTY_DEFINITIONS(SVGComponentTransferFunctionElement, int, Enumeration, enumeration, Type, type, SVGNames::typeAttr, m_type)
  51 ANIMATED_PROPERTY_DEFINITIONS(SVGComponentTransferFunctionElement, SVGNumberList*, NumberList, numberList, TableValues, tableValues, SVGNames::tableValuesAttr, m_tableValues.get())
  52 ANIMATED_PROPERTY_DEFINITIONS(SVGComponentTransferFunctionElement, float, Number, number, Slope, slope, SVGNames::slopeAttr, m_slope)
  53 ANIMATED_PROPERTY_DEFINITIONS(SVGComponentTransferFunctionElement, float, Number, number, Intercept, intercept, SVGNames::interceptAttr, m_intercept)
  54 ANIMATED_PROPERTY_DEFINITIONS(SVGComponentTransferFunctionElement, float, Number, number, Amplitude, amplitude, SVGNames::amplitudeAttr, m_amplitude)
  55 ANIMATED_PROPERTY_DEFINITIONS(SVGComponentTransferFunctionElement, float, Number, number, Exponent, exponent, SVGNames::exponentAttr, m_exponent)
  56 ANIMATED_PROPERTY_DEFINITIONS(SVGComponentTransferFunctionElement, float, Number, number, Offset, offset, SVGNames::offsetAttr, m_offset)
  57
  58 void SVGComponentTransferFunctionElement::parseMappedAttribute(MappedAttribute* attr)
  59 {
  60     const String& value = attr->value();
  61     if (attr->name() == SVGNames::typeAttr)
  62     {
  63         if (value == "identity")
  64             setTypeBaseValue(SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY);
  65         else if (value == "table")
  66             setTypeBaseValue(SVG_FECOMPONENTTRANSFER_TYPE_TABLE);
  67         else if (value == "discrete")
  68             setTypeBaseValue(SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE);
  69         else if (value == "linear")
  70             setTypeBaseValue(SVG_FECOMPONENTTRANSFER_TYPE_LINEAR);
  71         else if (value == "gamma")
  72             setTypeBaseValue(SVG_FECOMPONENTTRANSFER_TYPE_GAMMA);
  73     }
  74     else if (attr->name() == SVGNames::tableValuesAttr)
  75         tableValuesBaseValue()->parse(value);
  76     else if (attr->name() == SVGNames::slopeAttr)
  77         setSlopeBaseValue(value.toFloat());
  78     else if (attr->name() == SVGNames::interceptAttr)
  79         setInterceptBaseValue(value.toFloat());
  80     else if (attr->name() == SVGNames::amplitudeAttr)
  81         setAmplitudeBaseValue(value.toFloat());
  82     else if (attr->name() == SVGNames::exponentAttr)
  83         setExponentBaseValue(value.toFloat());
  84     else if (attr->name() == SVGNames::offsetAttr)
  85         setOffsetBaseValue(value.toFloat());
  86     else
  87         SVGElement::parseMappedAttribute(attr);
  88 }
  89
  90 SVGComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
  91 {
  92     SVGComponentTransferFunction func;
  93     func.type = (SVGComponentTransferType) type();
  94     func.slope = slope();
  95     func.intercept = intercept();
  96     func.amplitude = amplitude();
  97     func.exponent = exponent();
  98     func.offset = offset();
  99     SVGNumberList* numbers = tableValues();
 100
 101     ExceptionCode ec = 0;
 102     unsigned int nr = numbers->numberOfItems();
 103     for (unsigned int i = 0; i < nr; i++)
 104         func.tableValues.append(numbers->getItem(i, ec));
 105     return func;
 106 }
 107
 108 }
 109
 110 // vim:ts=4:noet
 111 #endif // ENABLE(SVG)
 112