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Diffstat (limited to 'WebCore/svg/SVGFESpecularLightingElement.cpp')
| -rw-r--r-- | WebCore/svg/SVGFESpecularLightingElement.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/WebCore/svg/SVGFESpecularLightingElement.cpp b/WebCore/svg/SVGFESpecularLightingElement.cpp new file mode 100644 index 0000000..509794a --- /dev/null +++ b/WebCore/svg/SVGFESpecularLightingElement.cpp @@ -0,0 +1,131 @@ +/* + 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(SVG_FILTERS) +#include "SVGFESpecularLightingElement.h" + +#include "RenderObject.h" +#include "SVGColor.h" +#include "SVGNames.h" +#include "SVGFELightElement.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) + , m_kernelUnitLengthX(0.0f) + , m_kernelUnitLengthY(0.0f) + , m_filterEffect(0) +{ +} + +SVGFESpecularLightingElement::~SVGFESpecularLightingElement() +{ + delete m_filterEffect; +} + +ANIMATED_PROPERTY_DEFINITIONS(SVGFESpecularLightingElement, String, String, string, In1, in1, SVGNames::inAttr, m_in1) +ANIMATED_PROPERTY_DEFINITIONS(SVGFESpecularLightingElement, float, Number, number, SpecularConstant, specularConstant, SVGNames::specularConstantAttr, m_specularConstant) +ANIMATED_PROPERTY_DEFINITIONS(SVGFESpecularLightingElement, float, Number, number, SpecularExponent, specularExponent, SVGNames::specularExponentAttr, m_specularExponent) +ANIMATED_PROPERTY_DEFINITIONS(SVGFESpecularLightingElement, float, Number, number, SurfaceScale, surfaceScale, SVGNames::surfaceScaleAttr, m_surfaceScale) +ANIMATED_PROPERTY_DEFINITIONS(SVGFESpecularLightingElement, float, Number, number, KernelUnitLengthX, kernelUnitLengthX, "kernelUnitLengthX", m_kernelUnitLengthX) +ANIMATED_PROPERTY_DEFINITIONS(SVGFESpecularLightingElement, float, Number, number, KernelUnitLengthY, kernelUnitLengthY, "kernelUnitLengthY", m_kernelUnitLengthY) + +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); +} + +SVGFESpecularLighting* SVGFESpecularLightingElement::filterEffect(SVGResourceFilter* filter) const +{ + if (!m_filterEffect) + m_filterEffect = new SVGFESpecularLighting(filter); + + m_filterEffect->setIn(in1()); + m_filterEffect->setSpecularConstant((specularConstant())); + m_filterEffect->setSpecularExponent((specularExponent())); + m_filterEffect->setSurfaceScale((surfaceScale())); + m_filterEffect->setKernelUnitLengthX((kernelUnitLengthX())); + m_filterEffect->setKernelUnitLengthY((kernelUnitLengthY())); + + SVGFESpecularLightingElement* nonConstThis = const_cast<SVGFESpecularLightingElement*>(this); + + RenderStyle* parentStyle = nonConstThis->styleForRenderer(parent()->renderer()); + RenderStyle* filterStyle = nonConstThis->resolveStyle(parentStyle); + + m_filterEffect->setLightingColor(filterStyle->svgStyle()->lightingColor()); + + parentStyle->deref(document()->renderArena()); + filterStyle->deref(document()->renderArena()); + + setStandardAttributes(m_filterEffect); + + updateLights(); + return m_filterEffect; +} + +void SVGFESpecularLightingElement::updateLights() const +{ + if (!m_filterEffect) + return; + + SVGLightSource* light = 0; + 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); + light = lightNode->lightSource(); + break; + } + } + + m_filterEffect->setLightSource(light); +} + +} + +#endif // ENABLE(SVG) + +// vim:ts=4:noet |