/* | |
Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> | |
2004, 2005, 2006 Rob Buis <buis@kde.org> | |
2005 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. | |
*/ | |
#include "config.h" | |
#if ENABLE(SVG) && ENABLE(FILTERS) | |
#include "SVGFESpecularLightingElement.h" | |
#include "MappedAttribute.h" | |
#include "RenderObject.h" | |
#include "SVGColor.h" | |
#include "SVGFELightElement.h" | |
#include "SVGNames.h" | |
#include "SVGParserUtilities.h" | |
#include "SVGResourceFilter.h" | |
namespace WebCore { | |
SVGFESpecularLightingElement::SVGFESpecularLightingElement(const QualifiedName& tagName, Document* doc) | |
: SVGFilterPrimitiveStandardAttributes(tagName, doc) | |
, m_specularConstant(1.0f) | |
, m_specularExponent(1.0f) | |
, m_surfaceScale(1.0f) | |
{ | |
} | |
SVGFESpecularLightingElement::~SVGFESpecularLightingElement() | |
{ | |
} | |
void SVGFESpecularLightingElement::parseMappedAttribute(MappedAttribute* attr) | |
{ | |
const String& value = attr->value(); | |
if (attr->name() == SVGNames::inAttr) | |
setIn1BaseValue(value); | |
else if (attr->name() == SVGNames::surfaceScaleAttr) | |
setSurfaceScaleBaseValue(value.toFloat()); | |
else if (attr->name() == SVGNames::specularConstantAttr) | |
setSpecularConstantBaseValue(value.toFloat()); | |
else if (attr->name() == SVGNames::specularExponentAttr) | |
setSpecularExponentBaseValue(value.toFloat()); | |
else if (attr->name() == SVGNames::kernelUnitLengthAttr) { | |
float x, y; | |
if (parseNumberOptionalNumber(value, x, y)) { | |
setKernelUnitLengthXBaseValue(x); | |
setKernelUnitLengthYBaseValue(y); | |
} | |
} else | |
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr); | |
} | |
void SVGFESpecularLightingElement::synchronizeProperty(const QualifiedName& attrName) | |
{ | |
SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName); | |
if (attrName == anyQName()) { | |
synchronizeIn1(); | |
synchronizeSurfaceScale(); | |
synchronizeSpecularConstant(); | |
synchronizeSpecularExponent(); | |
synchronizeKernelUnitLengthX(); | |
synchronizeKernelUnitLengthY(); | |
return; | |
} | |
if (attrName == SVGNames::inAttr) | |
synchronizeIn1(); | |
else if (attrName == SVGNames::surfaceScaleAttr) | |
synchronizeSurfaceScale(); | |
else if (attrName == SVGNames::specularConstantAttr) | |
synchronizeSpecularConstant(); | |
else if (attrName == SVGNames::specularExponentAttr) | |
synchronizeSpecularExponent(); | |
else if (attrName == SVGNames::kernelUnitLengthAttr) { | |
synchronizeKernelUnitLengthX(); | |
synchronizeKernelUnitLengthY(); | |
} | |
} | |
PassRefPtr<LightSource> SVGFESpecularLightingElement::findLights() const | |
{ | |
for (Node* n = firstChild(); n; n = n->nextSibling()) { | |
if (n->hasTagName(SVGNames::feDistantLightTag) || | |
n->hasTagName(SVGNames::fePointLightTag) || | |
n->hasTagName(SVGNames::feSpotLightTag)) { | |
SVGFELightElement* lightNode = static_cast<SVGFELightElement*>(n); | |
return lightNode->lightSource(); | |
} | |
} | |
return 0; | |
} | |
bool SVGFESpecularLightingElement::build(SVGResourceFilter* filterResource) | |
{ | |
FilterEffect* input1 = filterResource->builder()->getEffectById(in1()); | |
if (!input1) | |
return false; | |
RefPtr<RenderStyle> filterStyle = styleForRenderer(); | |
Color color = filterStyle->svgStyle()->lightingColor(); | |
RefPtr<FilterEffect> effect = FESpecularLighting::create(input1, color, surfaceScale(), specularConstant(), | |
specularExponent(), kernelUnitLengthX(), kernelUnitLengthY(), findLights()); | |
filterResource->addFilterEffect(this, effect.release()); | |
return true; | |
} | |
} | |
#endif // ENABLE(SVG) |