File indexing completed on 2024-04-21 14:58:22

 /*
  Copyright (C) 2006 Oliver Hunt <oliver@nerget.com>
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.
 
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Library General Public License for more details.
 
  You should have received a copy of the GNU Library General Public License
  along with this library; see the file COPYING.LIB.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  Boston, MA 02110-1301, USA.
  */
 
 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
 #include "SVGFEDisplacementMapElement.h"
 
 #include "SVGResourceFilter.h"
 
 namespace WebCore
 {
 
 SVGFEDisplacementMapElement::SVGFEDisplacementMapElement(const QualifiedName &tagName, Document *doc)
     : SVGFilterPrimitiveStandardAttributes(tagName, doc)
     , m_xChannelSelector(SVG_CHANNEL_A)
     , m_yChannelSelector(SVG_CHANNEL_A)
     , m_scale(0.0f)
     , m_filterEffect(0)
 {
 }
 
 SVGFEDisplacementMapElement::~SVGFEDisplacementMapElement()
 {
     delete m_filterEffect;
 }
 
 ANIMATED_PROPERTY_DEFINITIONS(SVGFEDisplacementMapElement, String, String, string, In1, in1, SVGNames::inAttr, m_in1)
 ANIMATED_PROPERTY_DEFINITIONS(SVGFEDisplacementMapElement, String, String, string, In2, in2, SVGNames::in2Attr, m_in2)
 ANIMATED_PROPERTY_DEFINITIONS(SVGFEDisplacementMapElement, int, Enumeration, enumeration, XChannelSelector, xChannelSelector, SVGNames::xChannelSelectorAttr, m_xChannelSelector)
 ANIMATED_PROPERTY_DEFINITIONS(SVGFEDisplacementMapElement, int, Enumeration, enumeration, YChannelSelector, yChannelSelector, SVGNames::yChannelSelectorAttr, m_yChannelSelector)
 ANIMATED_PROPERTY_DEFINITIONS(SVGFEDisplacementMapElement, float, Number, number, Scale, scale, SVGNames::scaleAttr, m_scale)
 
 SVGChannelSelectorType SVGFEDisplacementMapElement::stringToChannel(const String &key)
 {
     if (key == "R") {
         return SVG_CHANNEL_R;
     } else if (key == "G") {
         return SVG_CHANNEL_G;
     } else if (key == "B") {
         return SVG_CHANNEL_B;
     } else if (key == "A") {
         return SVG_CHANNEL_A;
     }
 
     return SVG_CHANNEL_UNKNOWN;
 }
 
 void SVGFEDisplacementMapElement::parseMappedAttribute(MappedAttribute *attr)
 {
     const String &value = attr->value();
     if (attr->name() == SVGNames::xChannelSelectorAttr) {
         setXChannelSelectorBaseValue(stringToChannel(value));
     } else if (attr->name() == SVGNames::yChannelSelectorAttr) {
         setYChannelSelectorBaseValue(stringToChannel(value));
     } else if (attr->name() == SVGNames::inAttr) {
         setIn1BaseValue(value);
     } else if (attr->name() == SVGNames::in2Attr) {
         setIn2BaseValue(value);
     } else if (attr->name() == SVGNames::scaleAttr) {
         setScaleBaseValue(value.toFloat());
     } else {
         SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
     }
 }
 
 SVGFEDisplacementMap *SVGFEDisplacementMapElement::filterEffect(SVGResourceFilter *filter) const
 {
     if (!m_filterEffect) {
         m_filterEffect = new SVGFEDisplacementMap(filter);
     }
 
     m_filterEffect->setXChannelSelector((SVGChannelSelectorType) xChannelSelector());
     m_filterEffect->setYChannelSelector((SVGChannelSelectorType) yChannelSelector());
     m_filterEffect->setIn(in1());
     m_filterEffect->setIn2(in2());
     m_filterEffect->setScale(scale());
 
     setStandardAttributes(m_filterEffect);
     return m_filterEffect;
 }
 
 }
 
 #endif // ENABLE(SVG)