| /* |
| * 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 "core/svg/SVGFEBlendElement.h" |
| |
| #include "core/SVGNames.h" |
| #include "core/svg/graphics/filters/SVGFilterBuilder.h" |
| #include "platform/graphics/filters/FEBlend.h" |
| |
| namespace blink { |
| |
| static WebBlendMode toWebBlendMode(SVGFEBlendElement::Mode mode) |
| { |
| #define MAP_BLEND_MODE(MODENAME) \ |
| case SVGFEBlendElement::Mode##MODENAME: \ |
| return WebBlendMode##MODENAME |
| |
| switch (mode) { |
| MAP_BLEND_MODE(Normal); |
| MAP_BLEND_MODE(Multiply); |
| MAP_BLEND_MODE(Screen); |
| MAP_BLEND_MODE(Darken); |
| MAP_BLEND_MODE(Lighten); |
| MAP_BLEND_MODE(Overlay); |
| MAP_BLEND_MODE(ColorDodge); |
| MAP_BLEND_MODE(ColorBurn); |
| MAP_BLEND_MODE(HardLight); |
| MAP_BLEND_MODE(SoftLight); |
| MAP_BLEND_MODE(Difference); |
| MAP_BLEND_MODE(Exclusion); |
| MAP_BLEND_MODE(Hue); |
| MAP_BLEND_MODE(Saturation); |
| MAP_BLEND_MODE(Color); |
| MAP_BLEND_MODE(Luminosity); |
| default: |
| ASSERT_NOT_REACHED(); |
| return WebBlendModeNormal; |
| } |
| #undef MAP_BLEND_MODE |
| } |
| |
| template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGFEBlendElement::Mode>() |
| { |
| DEFINE_STATIC_LOCAL(SVGEnumerationStringEntries, entries, ()); |
| if (entries.isEmpty()) { |
| entries.append(std::make_pair(SVGFEBlendElement::ModeNormal, "normal")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeMultiply, "multiply")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeScreen, "screen")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeDarken, "darken")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeLighten, "lighten")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeOverlay, "overlay")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeColorDodge, "color-dodge")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeColorBurn, "color-burn")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeHardLight, "hard-light")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeSoftLight, "soft-light")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeDifference, "difference")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeExclusion, "exclusion")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeHue, "hue")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeSaturation, "saturation")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeColor, "color")); |
| entries.append(std::make_pair(SVGFEBlendElement::ModeLuminosity, "luminosity")); |
| } |
| return entries; |
| } |
| |
| template<> unsigned short getMaxExposedEnumValue<SVGFEBlendElement::Mode>() |
| { |
| return SVGFEBlendElement::ModeLighten; |
| } |
| |
| inline SVGFEBlendElement::SVGFEBlendElement(Document& document) |
| : SVGFilterPrimitiveStandardAttributes(SVGNames::feBlendTag, document) |
| , m_in1(SVGAnimatedString::create(this, SVGNames::inAttr, SVGString::create())) |
| , m_in2(SVGAnimatedString::create(this, SVGNames::in2Attr, SVGString::create())) |
| , m_mode(SVGAnimatedEnumeration<Mode>::create(this, SVGNames::modeAttr, SVGFEBlendElement::ModeNormal)) |
| { |
| addToPropertyMap(m_in1); |
| addToPropertyMap(m_in2); |
| addToPropertyMap(m_mode); |
| } |
| |
| DEFINE_TRACE(SVGFEBlendElement) |
| { |
| visitor->trace(m_in1); |
| visitor->trace(m_in2); |
| visitor->trace(m_mode); |
| SVGFilterPrimitiveStandardAttributes::trace(visitor); |
| } |
| |
| DEFINE_NODE_FACTORY(SVGFEBlendElement) |
| |
| bool SVGFEBlendElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName) |
| { |
| FEBlend* blend = static_cast<FEBlend*>(effect); |
| if (attrName == SVGNames::modeAttr) |
| return blend->setBlendMode(toWebBlendMode(m_mode->currentValue()->enumValue())); |
| |
| return SVGFilterPrimitiveStandardAttributes::setFilterEffectAttribute(effect, attrName); |
| } |
| |
| void SVGFEBlendElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| if (attrName == SVGNames::modeAttr) { |
| SVGElement::InvalidationGuard invalidationGuard(this); |
| primitiveAttributeChanged(attrName); |
| return; |
| } |
| |
| if (attrName == SVGNames::inAttr || attrName == SVGNames::in2Attr) { |
| SVGElement::InvalidationGuard invalidationGuard(this); |
| invalidate(); |
| return; |
| } |
| |
| SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); |
| } |
| |
| FilterEffect* SVGFEBlendElement::build(SVGFilterBuilder* filterBuilder, Filter* filter) |
| { |
| FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value())); |
| FilterEffect* input2 = filterBuilder->getEffectById(AtomicString(m_in2->currentValue()->value())); |
| ASSERT(input1 && input2); |
| |
| FilterEffect* effect = FEBlend::create(filter, toWebBlendMode(m_mode->currentValue()->enumValue())); |
| FilterEffectVector& inputEffects = effect->inputEffects(); |
| inputEffects.reserveCapacity(2); |
| inputEffects.append(input1); |
| inputEffects.append(input2); |
| return effect; |
| } |
| |
| } // namespace blink |