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.
23 #include "core/svg/SVGLineElement.h"
25 #include "core/rendering/svg/RenderSVGResource.h"
26 #include "core/svg/SVGElementInstance.h"
27 #include "core/svg/SVGLength.h"
31 inline SVGLineElement::SVGLineElement(Document& document)
32 : SVGGeometryElement(SVGNames::lineTag, document)
33 , m_x1(SVGAnimatedLength::create(this, SVGNames::x1Attr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
34 , m_y1(SVGAnimatedLength::create(this, SVGNames::y1Attr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
35 , m_x2(SVGAnimatedLength::create(this, SVGNames::x2Attr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
36 , m_y2(SVGAnimatedLength::create(this, SVGNames::y2Attr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
38 ScriptWrappable::init(this);
40 addToPropertyMap(m_x1);
41 addToPropertyMap(m_y1);
42 addToPropertyMap(m_x2);
43 addToPropertyMap(m_y2);
46 PassRefPtr<SVGLineElement> SVGLineElement::create(Document& document)
48 return adoptRef(new SVGLineElement(document));
51 bool SVGLineElement::isSupportedAttribute(const QualifiedName& attrName)
53 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
54 if (supportedAttributes.isEmpty()) {
55 supportedAttributes.add(SVGNames::x1Attr);
56 supportedAttributes.add(SVGNames::x2Attr);
57 supportedAttributes.add(SVGNames::y1Attr);
58 supportedAttributes.add(SVGNames::y2Attr);
60 return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
63 void SVGLineElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
65 SVGParsingError parseError = NoError;
67 if (!isSupportedAttribute(name))
68 SVGGeometryElement::parseAttribute(name, value);
69 else if (name == SVGNames::x1Attr)
70 m_x1->setBaseValueAsString(value, parseError);
71 else if (name == SVGNames::y1Attr)
72 m_y1->setBaseValueAsString(value, parseError);
73 else if (name == SVGNames::x2Attr)
74 m_x2->setBaseValueAsString(value, parseError);
75 else if (name == SVGNames::y2Attr)
76 m_y2->setBaseValueAsString(value, parseError);
80 reportAttributeParsingError(parseError, name, value);
83 void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
85 if (!isSupportedAttribute(attrName)) {
86 SVGGeometryElement::svgAttributeChanged(attrName);
90 SVGElement::InvalidationGuard invalidationGuard(this);
92 bool isLengthAttribute = attrName == SVGNames::x1Attr
93 || attrName == SVGNames::y1Attr
94 || attrName == SVGNames::x2Attr
95 || attrName == SVGNames::y2Attr;
97 if (isLengthAttribute)
98 updateRelativeLengthsInformation();
100 RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
104 if (isLengthAttribute) {
105 renderer->setNeedsShapeUpdate();
106 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
110 ASSERT_NOT_REACHED();
113 bool SVGLineElement::selfHasRelativeLengths() const
115 return m_x1->currentValue()->isRelative()
116 || m_y1->currentValue()->isRelative()
117 || m_x2->currentValue()->isRelative()
118 || m_y2->currentValue()->isRelative();