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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 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/SVGLineElement.h"
#include "core/layout/svg/LayoutSVGShape.h"
#include "core/svg/SVGLength.h"
namespace blink {
inline SVGLineElement::SVGLineElement(Document& document)
: SVGGeometryElement(SVGNames::lineTag, document),
m_x1(SVGAnimatedLength::create(this,
SVGNames::x1Attr,
SVGLength::create(SVGLengthMode::Width))),
m_y1(SVGAnimatedLength::create(this,
SVGNames::y1Attr,
SVGLength::create(SVGLengthMode::Height))),
m_x2(SVGAnimatedLength::create(this,
SVGNames::x2Attr,
SVGLength::create(SVGLengthMode::Width))),
m_y2(
SVGAnimatedLength::create(this,
SVGNames::y2Attr,
SVGLength::create(SVGLengthMode::Height))) {
addToPropertyMap(m_x1);
addToPropertyMap(m_y1);
addToPropertyMap(m_x2);
addToPropertyMap(m_y2);
}
DEFINE_TRACE(SVGLineElement) {
visitor->trace(m_x1);
visitor->trace(m_y1);
visitor->trace(m_x2);
visitor->trace(m_y2);
SVGGeometryElement::trace(visitor);
}
DEFINE_NODE_FACTORY(SVGLineElement)
Path SVGLineElement::asPath() const {
Path path;
SVGLengthContext lengthContext(this);
path.moveTo(FloatPoint(x1()->currentValue()->value(lengthContext),
y1()->currentValue()->value(lengthContext)));
path.addLineTo(FloatPoint(x2()->currentValue()->value(lengthContext),
y2()->currentValue()->value(lengthContext)));
return path;
}
void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName) {
if (attrName == SVGNames::x1Attr || attrName == SVGNames::y1Attr ||
attrName == SVGNames::x2Attr || attrName == SVGNames::y2Attr) {
updateRelativeLengthsInformation();
LayoutSVGShape* layoutObject = toLayoutSVGShape(this->layoutObject());
if (!layoutObject)
return;
SVGElement::InvalidationGuard invalidationGuard(this);
layoutObject->setNeedsShapeUpdate();
markForLayoutAndParentResourceInvalidation(layoutObject);
return;
}
SVGGeometryElement::svgAttributeChanged(attrName);
}
bool SVGLineElement::selfHasRelativeLengths() const {
return m_x1->currentValue()->isRelative() ||
m_y1->currentValue()->isRelative() ||
m_x2->currentValue()->isRelative() ||
m_y2->currentValue()->isRelative();
}
} // namespace blink
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