2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007 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.
22 #include "core/svg/SVGLineElement.h"
24 #include "core/rendering/svg/RenderSVGResource.h"
25 #include "core/rendering/svg/RenderSVGShape.h"
26 #include "core/svg/SVGLength.h"
30 inline SVGLineElement::SVGLineElement(Document& document)
31 : SVGGeometryElement(SVGNames::lineTag, document)
32 , m_x1(SVGAnimatedLength::create(this, SVGNames::x1Attr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
33 , m_y1(SVGAnimatedLength::create(this, SVGNames::y1Attr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
34 , m_x2(SVGAnimatedLength::create(this, SVGNames::x2Attr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
35 , m_y2(SVGAnimatedLength::create(this, SVGNames::y2Attr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
37 addToPropertyMap(m_x1);
38 addToPropertyMap(m_y1);
39 addToPropertyMap(m_x2);
40 addToPropertyMap(m_y2);
43 DEFINE_NODE_FACTORY(SVGLineElement)
45 bool SVGLineElement::isSupportedAttribute(const QualifiedName& attrName)
47 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
48 if (supportedAttributes.isEmpty()) {
49 supportedAttributes.add(SVGNames::x1Attr);
50 supportedAttributes.add(SVGNames::x2Attr);
51 supportedAttributes.add(SVGNames::y1Attr);
52 supportedAttributes.add(SVGNames::y2Attr);
54 return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
57 void SVGLineElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
59 parseAttributeNew(name, value);
62 void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
64 if (!isSupportedAttribute(attrName)) {
65 SVGGeometryElement::svgAttributeChanged(attrName);
69 SVGElement::InvalidationGuard invalidationGuard(this);
71 bool isLengthAttribute = attrName == SVGNames::x1Attr
72 || attrName == SVGNames::y1Attr
73 || attrName == SVGNames::x2Attr
74 || attrName == SVGNames::y2Attr;
76 if (isLengthAttribute)
77 updateRelativeLengthsInformation();
79 RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
83 if (isLengthAttribute) {
84 renderer->setNeedsShapeUpdate();
85 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
92 bool SVGLineElement::selfHasRelativeLengths() const
94 return m_x1->currentValue()->isRelative()
95 || m_y1->currentValue()->isRelative()
96 || m_x2->currentValue()->isRelative()
97 || m_y2->currentValue()->isRelative();