2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
23 #include "core/svg/SVGFEOffsetElement.h"
25 #include "core/SVGNames.h"
26 #include "platform/graphics/filters/FilterEffect.h"
27 #include "core/svg/graphics/filters/SVGFilterBuilder.h"
31 inline SVGFEOffsetElement::SVGFEOffsetElement(Document& document)
32 : SVGFilterPrimitiveStandardAttributes(SVGNames::feOffsetTag, document)
33 , m_dx(SVGAnimatedNumber::create(this, SVGNames::dxAttr, SVGNumber::create()))
34 , m_dy(SVGAnimatedNumber::create(this, SVGNames::dyAttr, SVGNumber::create()))
35 , m_in1(SVGAnimatedString::create(this, SVGNames::inAttr, SVGString::create()))
37 ScriptWrappable::init(this);
39 addToPropertyMap(m_dx);
40 addToPropertyMap(m_dy);
41 addToPropertyMap(m_in1);
44 DEFINE_NODE_FACTORY(SVGFEOffsetElement)
46 bool SVGFEOffsetElement::isSupportedAttribute(const QualifiedName& attrName)
48 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
49 if (supportedAttributes.isEmpty()) {
50 supportedAttributes.add(SVGNames::inAttr);
51 supportedAttributes.add(SVGNames::dxAttr);
52 supportedAttributes.add(SVGNames::dyAttr);
54 return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
57 void SVGFEOffsetElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
59 if (!isSupportedAttribute(name)) {
60 SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
64 SVGParsingError parseError = NoError;
66 if (name == SVGNames::inAttr)
67 m_in1->setBaseValueAsString(value, parseError);
68 else if (name == SVGNames::dxAttr)
69 m_dx->setBaseValueAsString(value, parseError);
70 else if (name == SVGNames::dyAttr)
71 m_dy->setBaseValueAsString(value, parseError);
75 reportAttributeParsingError(parseError, name, value);
78 void SVGFEOffsetElement::svgAttributeChanged(const QualifiedName& attrName)
80 if (!isSupportedAttribute(attrName)) {
81 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
85 SVGElement::InvalidationGuard invalidationGuard(this);
87 if (attrName == SVGNames::inAttr || attrName == SVGNames::dxAttr || attrName == SVGNames::dyAttr) {
95 PassRefPtr<FilterEffect> SVGFEOffsetElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
97 FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value()));
102 RefPtr<FilterEffect> effect = FEOffset::create(filter, m_dx->currentValue()->value(), m_dy->currentValue()->value());
103 effect->inputEffects().append(input1);
104 return effect.release();