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Diffstat (limited to 'Source/WebCore/svg/SVGFEBlendElement.cpp')
-rw-r--r-- | Source/WebCore/svg/SVGFEBlendElement.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/Source/WebCore/svg/SVGFEBlendElement.cpp b/Source/WebCore/svg/SVGFEBlendElement.cpp new file mode 100644 index 0000000..4128232 --- /dev/null +++ b/Source/WebCore/svg/SVGFEBlendElement.cpp @@ -0,0 +1,120 @@ +/* + * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> + * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> + * + * 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 "SVGFEBlendElement.h" + +#include "Attribute.h" +#include "FilterEffect.h" +#include "SVGFilterBuilder.h" +#include "SVGNames.h" + +namespace WebCore { + +// Animated property definitions +DEFINE_ANIMATED_STRING(SVGFEBlendElement, SVGNames::inAttr, In1, in1) +DEFINE_ANIMATED_STRING(SVGFEBlendElement, SVGNames::in2Attr, In2, in2) +DEFINE_ANIMATED_ENUMERATION(SVGFEBlendElement, SVGNames::modeAttr, Mode, mode) + +inline SVGFEBlendElement::SVGFEBlendElement(const QualifiedName& tagName, Document* document) + : SVGFilterPrimitiveStandardAttributes(tagName, document) + , m_mode(FEBLEND_MODE_NORMAL) +{ +} + +PassRefPtr<SVGFEBlendElement> SVGFEBlendElement::create(const QualifiedName& tagName, Document* document) +{ + return adoptRef(new SVGFEBlendElement(tagName, document)); +} + +void SVGFEBlendElement::parseMappedAttribute(Attribute* attr) +{ + const String& value = attr->value(); + if (attr->name() == SVGNames::modeAttr) { + if (value == "normal") + setModeBaseValue(FEBLEND_MODE_NORMAL); + else if (value == "multiply") + setModeBaseValue(FEBLEND_MODE_MULTIPLY); + else if (value == "screen") + setModeBaseValue(FEBLEND_MODE_SCREEN); + else if (value == "darken") + setModeBaseValue(FEBLEND_MODE_DARKEN); + else if (value == "lighten") + setModeBaseValue(FEBLEND_MODE_LIGHTEN); + } else if (attr->name() == SVGNames::inAttr) + setIn1BaseValue(value); + else if (attr->name() == SVGNames::in2Attr) + setIn2BaseValue(value); + else + SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr); +} + +void SVGFEBlendElement::svgAttributeChanged(const QualifiedName& attrName) +{ + SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); + + if (attrName == SVGNames::modeAttr + || attrName == SVGNames::inAttr + || attrName == SVGNames::in2Attr) + invalidate(); +} + +void SVGFEBlendElement::synchronizeProperty(const QualifiedName& attrName) +{ + SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName); + + if (attrName == anyQName()) { + synchronizeMode(); + synchronizeIn1(); + synchronizeIn2(); + return; + } + + if (attrName == SVGNames::modeAttr) + synchronizeMode(); + else if (attrName == SVGNames::inAttr) + synchronizeIn1(); + else if (attrName == SVGNames::in2Attr) + synchronizeIn2(); +} + +PassRefPtr<FilterEffect> SVGFEBlendElement::build(SVGFilterBuilder* filterBuilder, Filter* filter) +{ + FilterEffect* input1 = filterBuilder->getEffectById(in1()); + FilterEffect* input2 = filterBuilder->getEffectById(in2()); + + if (!input1 || !input2) + return 0; + + RefPtr<FilterEffect> effect = FEBlend::create(filter, static_cast<BlendModeType>(mode())); + FilterEffectVector& inputEffects = effect->inputEffects(); + inputEffects.reserveCapacity(2); + inputEffects.append(input1); + inputEffects.append(input2); + return effect.release(); +} + +} + +#endif // ENABLE(SVG) + +// vim:ts=4:noet |