khtml/svg/SVGFEComponentTransferElement.cpp

   1 /*
   2     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
   3                   2004, 2005 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 "SVGFEComponentTransferElement.h"
  27
  28 #include "Attr.h"
  29 #include "SVGNames.h"
  30 #include "SVGRenderStyle.h"
  31 #include "SVGFEFuncRElement.h"
  32 #include "SVGFEFuncGElement.h"
  33 #include "SVGFEFuncBElement.h"
  34 #include "SVGFEFuncAElement.h"
  35 #include "SVGResourceFilter.h"
  36
  37 namespace WebCore {
  38
  39 SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document* doc)
  40     : SVGFilterPrimitiveStandardAttributes(tagName, doc)
  41     , m_filterEffect(0)
  42 {
  43 }
  44
  45 SVGFEComponentTransferElement::~SVGFEComponentTransferElement()
  46 {
  47     delete m_filterEffect;
  48 }
  49
  50 ANIMATED_PROPERTY_DEFINITIONS(SVGFEComponentTransferElement, String, String, string, In1, in1, SVGNames::inAttr, m_in1)
  51
  52 void SVGFEComponentTransferElement::parseMappedAttribute(MappedAttribute* attr)
  53 {
  54     const String& value = attr->value();
  55     if (attr->name() == SVGNames::inAttr)
  56         setIn1BaseValue(value);
  57     else
  58         SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
  59 }
  60
  61 SVGFEComponentTransfer* SVGFEComponentTransferElement::filterEffect(SVGResourceFilter* filter) const
  62 {
  63     if (!m_filterEffect)
  64         m_filterEffect = new SVGFEComponentTransfer(filter);
  65
  66     m_filterEffect->setIn(in1());
  67     setStandardAttributes(m_filterEffect);
  68
  69     for (Node* n = firstChild(); n != 0; n = n->nextSibling()) {
  70         if (n->hasTagName(SVGNames::feFuncRTag))
  71             m_filterEffect->setRedFunction(static_cast<SVGFEFuncRElement*>(n)->transferFunction());
  72         else if (n->hasTagName(SVGNames::feFuncGTag))
  73             m_filterEffect->setGreenFunction(static_cast<SVGFEFuncGElement*>(n)->transferFunction());
  74         else if (n->hasTagName(SVGNames::feFuncBTag))
  75             m_filterEffect->setBlueFunction(static_cast<SVGFEFuncBElement*>(n)->transferFunction());
  76         else if (n->hasTagName(SVGNames::feFuncATag))
  77             m_filterEffect->setAlphaFunction(static_cast<SVGFEFuncAElement*>(n)->transferFunction());
  78     }
  79
  80     return m_filterEffect;
  81 }
  82
  83 }
  84
  85 #endif // ENABLE(SVG)
  86
  87 // vim:ts=4:noet