| /* |
| * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 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/SVGFEComponentTransferElement.h" |
| |
| #include "core/SVGNames.h" |
| #include "core/dom/ElementTraversal.h" |
| #include "core/svg/SVGFEFuncAElement.h" |
| #include "core/svg/SVGFEFuncBElement.h" |
| #include "core/svg/SVGFEFuncGElement.h" |
| #include "core/svg/SVGFEFuncRElement.h" |
| #include "core/svg/graphics/filters/SVGFilterBuilder.h" |
| #include "platform/graphics/filters/FEComponentTransfer.h" |
| |
| namespace blink { |
| |
| inline SVGFEComponentTransferElement::SVGFEComponentTransferElement(Document& document) |
| : SVGFilterPrimitiveStandardAttributes(SVGNames::feComponentTransferTag, document) |
| , m_in1(SVGAnimatedString::create(this, SVGNames::inAttr, SVGString::create())) |
| { |
| addToPropertyMap(m_in1); |
| } |
| |
| DEFINE_TRACE(SVGFEComponentTransferElement) |
| { |
| visitor->trace(m_in1); |
| SVGFilterPrimitiveStandardAttributes::trace(visitor); |
| } |
| |
| DEFINE_NODE_FACTORY(SVGFEComponentTransferElement) |
| |
| void SVGFEComponentTransferElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| if (attrName == SVGNames::inAttr) { |
| SVGElement::InvalidationGuard invalidationGuard(this); |
| invalidate(); |
| return; |
| } |
| |
| SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); |
| } |
| |
| FilterEffect* SVGFEComponentTransferElement::build(SVGFilterBuilder* filterBuilder, Filter* filter) |
| { |
| FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value())); |
| ASSERT(input1); |
| |
| ComponentTransferFunction red; |
| ComponentTransferFunction green; |
| ComponentTransferFunction blue; |
| ComponentTransferFunction alpha; |
| |
| for (SVGElement* element = Traversal<SVGElement>::firstChild(*this); element; element = Traversal<SVGElement>::nextSibling(*element)) { |
| if (isSVGFEFuncRElement(*element)) |
| red = toSVGFEFuncRElement(*element).transferFunction(); |
| else if (isSVGFEFuncGElement(*element)) |
| green = toSVGFEFuncGElement(*element).transferFunction(); |
| else if (isSVGFEFuncBElement(*element)) |
| blue = toSVGFEFuncBElement(*element).transferFunction(); |
| else if (isSVGFEFuncAElement(*element)) |
| alpha = toSVGFEFuncAElement(*element).transferFunction(); |
| } |
| |
| FilterEffect* effect = FEComponentTransfer::create(filter, red, green, blue, alpha); |
| effect->inputEffects().append(input1); |
| return effect; |
| } |
| |
| } // namespace blink |