| /* |
| Copyright (C) 2005 Oliver Hunt <ojh16@student.canterbury.ac.nz> |
| |
| 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 "SVGFEDiffuseLightingElement.h" |
| |
| #include "Attr.h" |
| #include "RenderObject.h" |
| #include "SVGColor.h" |
| #include "SVGFELightElement.h" |
| #include "SVGNames.h" |
| #include "SVGParserUtilities.h" |
| #include "SVGRenderStyle.h" |
| #include "SVGFEDiffuseLighting.h" |
| #include "SVGResourceFilter.h" |
| |
| namespace WebCore { |
| |
| SVGFEDiffuseLightingElement::SVGFEDiffuseLightingElement(const QualifiedName& tagName, Document* doc) |
| : SVGFilterPrimitiveStandardAttributes(tagName, doc) |
| , m_diffuseConstant(1.0f) |
| , m_surfaceScale(1.0f) |
| , m_kernelUnitLengthX(0.0f) |
| , m_kernelUnitLengthY(0.0f) |
| , m_filterEffect(0) |
| { |
| } |
| |
| SVGFEDiffuseLightingElement::~SVGFEDiffuseLightingElement() |
| { |
| delete m_filterEffect; |
| } |
| |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFEDiffuseLightingElement, String, String, string, In1, in1, SVGNames::inAttr, m_in1) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFEDiffuseLightingElement, float, Number, number, DiffuseConstant, diffuseConstant, SVGNames::diffuseConstantAttr, m_diffuseConstant) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFEDiffuseLightingElement, float, Number, number, SurfaceScale, surfaceScale, SVGNames::surfaceScaleAttr, m_surfaceScale) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFEDiffuseLightingElement, float, Number, number, KernelUnitLengthX, kernelUnitLengthX, "kernelUnitLengthX", m_kernelUnitLengthX) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFEDiffuseLightingElement, float, Number, number, KernelUnitLengthY, kernelUnitLengthY, "kernelUnitLengthY", m_kernelUnitLengthY) |
| |
| void SVGFEDiffuseLightingElement::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::diffuseConstantAttr) |
| setDiffuseConstantBaseValue(value.toInt()); |
| else if (attr->name() == SVGNames::kernelUnitLengthAttr) { |
| float x, y; |
| if (parseNumberOptionalNumber(value, x, y)) { |
| setKernelUnitLengthXBaseValue(x); |
| setKernelUnitLengthYBaseValue(y); |
| } |
| } else |
| SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr); |
| } |
| |
| SVGFilterEffect* SVGFEDiffuseLightingElement::filterEffect(SVGResourceFilter* filter) const |
| { |
| if (!m_filterEffect) |
| m_filterEffect = new SVGFEDiffuseLighting(filter); |
| |
| m_filterEffect->setIn(in1()); |
| m_filterEffect->setDiffuseConstant(diffuseConstant()); |
| m_filterEffect->setSurfaceScale(surfaceScale()); |
| m_filterEffect->setKernelUnitLengthX(kernelUnitLengthX()); |
| m_filterEffect->setKernelUnitLengthY(kernelUnitLengthY()); |
| |
| SVGFEDiffuseLightingElement* nonConstThis = const_cast<SVGFEDiffuseLightingElement*>(this); |
| |
| RenderStyle* parentStyle = nonConstThis->styleForRenderer(parent()->renderer()); |
| RenderStyle* filterStyle = nonConstThis->resolveStyle(parentStyle); |
| |
| m_filterEffect->setLightingColor(filterStyle->svgStyle()->lightingColor()); |
| setStandardAttributes(m_filterEffect); |
| |
| parentStyle->deref(document()->renderArena()); |
| filterStyle->deref(document()->renderArena()); |
| |
| updateLights(); |
| return m_filterEffect; |
| } |
| |
| void SVGFEDiffuseLightingElement::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 |