| /* |
| * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
| * Copyright (C) 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 "Attribute.h" |
| #include "FilterEffect.h" |
| #include "RenderStyle.h" |
| #include "SVGColor.h" |
| #include "SVGElementInstance.h" |
| #include "SVGFELightElement.h" |
| #include "SVGFilterBuilder.h" |
| #include "SVGNames.h" |
| #include "SVGParserUtilities.h" |
| |
| namespace WebCore { |
| |
| // Animated property definitions |
| DEFINE_ANIMATED_STRING(SVGFESpecularLightingElement, SVGNames::inAttr, In1, in1) |
| DEFINE_ANIMATED_NUMBER(SVGFESpecularLightingElement, SVGNames::specularConstantAttr, SpecularConstant, specularConstant) |
| DEFINE_ANIMATED_NUMBER(SVGFESpecularLightingElement, SVGNames::specularExponentAttr, SpecularExponent, specularExponent) |
| DEFINE_ANIMATED_NUMBER(SVGFESpecularLightingElement, SVGNames::surfaceScaleAttr, SurfaceScale, surfaceScale) |
| DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFESpecularLightingElement, SVGNames::kernelUnitLengthAttr, kernelUnitLengthXIdentifier(), KernelUnitLengthX, kernelUnitLengthX) |
| DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFESpecularLightingElement, SVGNames::kernelUnitLengthAttr, kernelUnitLengthYIdentifier(), KernelUnitLengthY, kernelUnitLengthY) |
| |
| BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGFESpecularLightingElement) |
| REGISTER_LOCAL_ANIMATED_PROPERTY(in1) |
| REGISTER_LOCAL_ANIMATED_PROPERTY(specularConstant) |
| REGISTER_LOCAL_ANIMATED_PROPERTY(specularExponent) |
| REGISTER_LOCAL_ANIMATED_PROPERTY(surfaceScale) |
| REGISTER_LOCAL_ANIMATED_PROPERTY(kernelUnitLengthX) |
| REGISTER_LOCAL_ANIMATED_PROPERTY(kernelUnitLengthY) |
| REGISTER_PARENT_ANIMATED_PROPERTIES(SVGFilterPrimitiveStandardAttributes) |
| END_REGISTER_ANIMATED_PROPERTIES |
| |
| inline SVGFESpecularLightingElement::SVGFESpecularLightingElement(const QualifiedName& tagName, Document* document) |
| : SVGFilterPrimitiveStandardAttributes(tagName, document) |
| , m_specularConstant(1) |
| , m_specularExponent(1) |
| , m_surfaceScale(1) |
| { |
| ASSERT(hasTagName(SVGNames::feSpecularLightingTag)); |
| registerAnimatedPropertiesForSVGFESpecularLightingElement(); |
| } |
| |
| PassRefPtr<SVGFESpecularLightingElement> SVGFESpecularLightingElement::create(const QualifiedName& tagName, Document* document) |
| { |
| return adoptRef(new SVGFESpecularLightingElement(tagName, document)); |
| } |
| |
| const AtomicString& SVGFESpecularLightingElement::kernelUnitLengthXIdentifier() |
| { |
| DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGKernelUnitLengthX")); |
| return s_identifier; |
| } |
| |
| const AtomicString& SVGFESpecularLightingElement::kernelUnitLengthYIdentifier() |
| { |
| DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGKernelUnitLengthY")); |
| return s_identifier; |
| } |
| |
| bool SVGFESpecularLightingElement::isSupportedAttribute(const QualifiedName& attrName) |
| { |
| DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ()); |
| if (supportedAttributes.isEmpty()) { |
| supportedAttributes.add(SVGNames::inAttr); |
| supportedAttributes.add(SVGNames::specularConstantAttr); |
| supportedAttributes.add(SVGNames::specularExponentAttr); |
| supportedAttributes.add(SVGNames::surfaceScaleAttr); |
| supportedAttributes.add(SVGNames::kernelUnitLengthAttr); |
| } |
| return supportedAttributes.contains<QualifiedName, SVGAttributeHashTranslator>(attrName); |
| } |
| |
| void SVGFESpecularLightingElement::parseAttribute(const Attribute& attribute) |
| { |
| if (!isSupportedAttribute(attribute.name())) { |
| SVGFilterPrimitiveStandardAttributes::parseAttribute(attribute); |
| return; |
| } |
| |
| const AtomicString& value = attribute.value(); |
| if (attribute.name() == SVGNames::inAttr) { |
| setIn1BaseValue(value); |
| return; |
| } |
| |
| if (attribute.name() == SVGNames::surfaceScaleAttr) { |
| setSurfaceScaleBaseValue(value.toFloat()); |
| return; |
| } |
| |
| if (attribute.name() == SVGNames::specularConstantAttr) { |
| setSpecularConstantBaseValue(value.toFloat()); |
| return; |
| } |
| |
| if (attribute.name() == SVGNames::specularExponentAttr) { |
| setSpecularExponentBaseValue(value.toFloat()); |
| return; |
| } |
| |
| if (attribute.name() == SVGNames::kernelUnitLengthAttr) { |
| float x, y; |
| if (parseNumberOptionalNumber(value, x, y)) { |
| setKernelUnitLengthXBaseValue(x); |
| setKernelUnitLengthYBaseValue(y); |
| } |
| return; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| } |
| |
| bool SVGFESpecularLightingElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName) |
| { |
| FESpecularLighting* specularLighting = static_cast<FESpecularLighting*>(effect); |
| |
| if (attrName == SVGNames::lighting_colorAttr) { |
| RenderObject* renderer = this->renderer(); |
| ASSERT(renderer); |
| ASSERT(renderer->style()); |
| return specularLighting->setLightingColor(renderer->style()->svgStyle()->lightingColor()); |
| } |
| if (attrName == SVGNames::surfaceScaleAttr) |
| return specularLighting->setSurfaceScale(surfaceScale()); |
| if (attrName == SVGNames::specularConstantAttr) |
| return specularLighting->setSpecularConstant(specularConstant()); |
| if (attrName == SVGNames::specularExponentAttr) |
| return specularLighting->setSpecularExponent(specularExponent()); |
| |
| LightSource* lightSource = const_cast<LightSource*>(specularLighting->lightSource()); |
| const SVGFELightElement* lightElement = SVGFELightElement::findLightElement(this); |
| ASSERT(lightSource); |
| ASSERT(lightElement); |
| |
| if (attrName == SVGNames::azimuthAttr) |
| return lightSource->setAzimuth(lightElement->azimuth()); |
| if (attrName == SVGNames::elevationAttr) |
| return lightSource->setElevation(lightElement->elevation()); |
| if (attrName == SVGNames::xAttr) |
| return lightSource->setX(lightElement->x()); |
| if (attrName == SVGNames::yAttr) |
| return lightSource->setY(lightElement->y()); |
| if (attrName == SVGNames::zAttr) |
| return lightSource->setZ(lightElement->z()); |
| if (attrName == SVGNames::pointsAtXAttr) |
| return lightSource->setPointsAtX(lightElement->pointsAtX()); |
| if (attrName == SVGNames::pointsAtYAttr) |
| return lightSource->setPointsAtY(lightElement->pointsAtY()); |
| if (attrName == SVGNames::pointsAtZAttr) |
| return lightSource->setPointsAtZ(lightElement->pointsAtZ()); |
| if (attrName == SVGNames::specularExponentAttr) |
| return lightSource->setSpecularExponent(lightElement->specularExponent()); |
| if (attrName == SVGNames::limitingConeAngleAttr) |
| return lightSource->setLimitingConeAngle(lightElement->limitingConeAngle()); |
| |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| void SVGFESpecularLightingElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| if (!isSupportedAttribute(attrName)) { |
| SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); |
| return; |
| } |
| |
| SVGElementInstance::InvalidationGuard invalidationGuard(this); |
| |
| if (attrName == SVGNames::surfaceScaleAttr |
| || attrName == SVGNames::specularConstantAttr |
| || attrName == SVGNames::specularExponentAttr |
| || attrName == SVGNames::kernelUnitLengthAttr) { |
| primitiveAttributeChanged(attrName); |
| return; |
| } |
| |
| if (attrName == SVGNames::inAttr) { |
| invalidate(); |
| return; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| } |
| |
| void SVGFESpecularLightingElement::lightElementAttributeChanged(const SVGFELightElement* lightElement, const QualifiedName& attrName) |
| { |
| if (SVGFELightElement::findLightElement(this) != lightElement) |
| return; |
| |
| // The light element has different attribute names so attrName can identify the requested attribute. |
| primitiveAttributeChanged(attrName); |
| } |
| |
| PassRefPtr<FilterEffect> SVGFESpecularLightingElement::build(SVGFilterBuilder* filterBuilder, Filter* filter) |
| { |
| FilterEffect* input1 = filterBuilder->getEffectById(in1()); |
| |
| if (!input1) |
| return 0; |
| |
| RefPtr<LightSource> lightSource = SVGFELightElement::findLightSource(this); |
| if (!lightSource) |
| return 0; |
| |
| RenderObject* renderer = this->renderer(); |
| if (!renderer) |
| return 0; |
| |
| ASSERT(renderer->style()); |
| Color color = renderer->style()->svgStyle()->lightingColor(); |
| |
| RefPtr<FilterEffect> effect = FESpecularLighting::create(filter, color, surfaceScale(), specularConstant(), |
| specularExponent(), kernelUnitLengthX(), kernelUnitLengthY(), lightSource.release()); |
| effect->inputEffects().append(input1); |
| return effect.release(); |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |