khtml/svg/SVGFEColorMatrixElement.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 "SVGFEColorMatrixElement.h"
  27
  28 #include "SVGNames.h"
  29 #include "SVGNumberList.h"
  30 #include "SVGResourceFilter.h"
  31
  32 namespace WebCore {
  33
  34 SVGFEColorMatrixElement::SVGFEColorMatrixElement(const QualifiedName& tagName, Document* doc)
  35     : SVGFilterPrimitiveStandardAttributes(tagName, doc)
  36     , m_type(SVG_FECOLORMATRIX_TYPE_UNKNOWN)
  37     , m_values(SVGNumberList::create(SVGNames::valuesAttr))
  38     , m_filterEffect(0)
  39 {
  40 }
  41
  42 SVGFEColorMatrixElement::~SVGFEColorMatrixElement()
  43 {
  44     delete m_filterEffect;
  45 }
  46
  47 ANIMATED_PROPERTY_DEFINITIONS(SVGFEColorMatrixElement, String, String, string, In1, in1, SVGNames::inAttr, m_in1)
  48 ANIMATED_PROPERTY_DEFINITIONS(SVGFEColorMatrixElement, int, Enumeration, enumeration, Type, type, SVGNames::typeAttr, m_type)
  49 ANIMATED_PROPERTY_DEFINITIONS(SVGFEColorMatrixElement, SVGNumberList*, NumberList, numberList, Values, values, SVGNames::valuesAttr, m_values.get())
  50
  51 void SVGFEColorMatrixElement::parseMappedAttribute(MappedAttribute* attr)
  52 {
  53     const String& value = attr->value();
  54     if (attr->name() == SVGNames::typeAttr) {
  55         if (value == "matrix")
  56             setTypeBaseValue(SVG_FECOLORMATRIX_TYPE_MATRIX);
  57         else if (value == "saturate")
  58             setTypeBaseValue(SVG_FECOLORMATRIX_TYPE_SATURATE);
  59         else if (value == "hueRotate")
  60             setTypeBaseValue(SVG_FECOLORMATRIX_TYPE_HUEROTATE);
  61         else if (value == "luminanceToAlpha")
  62             setTypeBaseValue(SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA);
  63     }
  64     else if (attr->name() == SVGNames::inAttr)
  65         setIn1BaseValue(value);
  66     else if (attr->name() == SVGNames::valuesAttr)
  67         valuesBaseValue()->parse(value);
  68     else
  69         SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
  70 }
  71
  72 SVGFEColorMatrix* SVGFEColorMatrixElement::filterEffect(SVGResourceFilter* filter) const
  73 {
  74     if (!m_filterEffect)
  75         m_filterEffect = new SVGFEColorMatrix(filter);
  76
  77     m_filterEffect->setIn(in1());
  78     setStandardAttributes(m_filterEffect);
  79
  80     Vector<float> _values;
  81     SVGNumberList* numbers = values();
  82
  83     ExceptionCode ec = 0;
  84     unsigned int nr = numbers->numberOfItems();
  85     for (unsigned int i = 0;i < nr;i++)
  86         _values.append(numbers->getItem(i, ec));
  87
  88     m_filterEffect->setValues(_values);
  89     m_filterEffect->setType((SVGColorMatrixType) type());
  90
  91     return m_filterEffect;
  92 }
  93
  94 }
  95
  96 #endif // ENABLE(SVG)
  97
  98 // vim:ts=4:noet