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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 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 "config.h"
#if ENABLE(SVG)
#include "SVGStyledTransformableElement.h"
#include "AffineTransform.h"
#include "Attribute.h"
#include "RenderSVGPath.h"
#include "RenderSVGResource.h"
#include "SVGNames.h"
namespace WebCore {
// Animated property definitions
DEFINE_ANIMATED_TRANSFORM_LIST(SVGStyledTransformableElement, SVGNames::transformAttr, Transform, transform)
SVGStyledTransformableElement::SVGStyledTransformableElement(const QualifiedName& tagName, Document* document, ConstructionType constructionType)
: SVGStyledLocatableElement(tagName, document, constructionType)
{
}
SVGStyledTransformableElement::~SVGStyledTransformableElement()
{
}
AffineTransform SVGStyledTransformableElement::getCTM(StyleUpdateStrategy styleUpdateStrategy) const
{
return SVGLocatable::computeCTM(this, SVGLocatable::NearestViewportScope, styleUpdateStrategy);
}
AffineTransform SVGStyledTransformableElement::getScreenCTM(StyleUpdateStrategy styleUpdateStrategy) const
{
return SVGLocatable::computeCTM(this, SVGLocatable::ScreenScope, styleUpdateStrategy);
}
AffineTransform SVGStyledTransformableElement::animatedLocalTransform() const
{
AffineTransform matrix;
transform().concatenate(matrix);
if (m_supplementalTransform)
matrix *= *m_supplementalTransform;
return matrix;
}
AffineTransform* SVGStyledTransformableElement::supplementalTransform()
{
if (!m_supplementalTransform)
m_supplementalTransform.set(new AffineTransform());
return m_supplementalTransform.get();
}
void SVGStyledTransformableElement::parseMappedAttribute(Attribute* attr)
{
if (SVGTransformable::isKnownAttribute(attr->name())) {
SVGTransformList newList;
if (!SVGTransformable::parseTransformAttribute(newList, attr->value()))
newList.clear();
detachAnimatedTransformListWrappers(newList.size());
setTransformBaseValue(newList);
} else
SVGStyledLocatableElement::parseMappedAttribute(attr);
}
void SVGStyledTransformableElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGStyledLocatableElement::svgAttributeChanged(attrName);
if (!SVGStyledTransformableElement::isKnownAttribute(attrName))
return;
RenderObject* object = renderer();
if (!object)
return;
object->setNeedsTransformUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(object);
}
void SVGStyledTransformableElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGStyledLocatableElement::synchronizeProperty(attrName);
if (attrName == anyQName() || SVGTransformable::isKnownAttribute(attrName))
synchronizeTransform();
}
bool SVGStyledTransformableElement::isKnownAttribute(const QualifiedName& attrName)
{
return SVGTransformable::isKnownAttribute(attrName) || SVGStyledLocatableElement::isKnownAttribute(attrName);
}
SVGElement* SVGStyledTransformableElement::nearestViewportElement() const
{
return SVGTransformable::nearestViewportElement(this);
}
SVGElement* SVGStyledTransformableElement::farthestViewportElement() const
{
return SVGTransformable::farthestViewportElement(this);
}
FloatRect SVGStyledTransformableElement::getBBox(StyleUpdateStrategy styleUpdateStrategy) const
{
return SVGTransformable::getBBox(this, styleUpdateStrategy);
}
RenderObject* SVGStyledTransformableElement::createRenderer(RenderArena* arena, RenderStyle*)
{
// By default, any subclass is expected to do path-based drawing
return new (arena) RenderSVGPath(this);
}
void SVGStyledTransformableElement::fillPassedAttributeToPropertyTypeMap(AttributeToPropertyTypeMap& attributeToPropertyTypeMap)
{
SVGStyledElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
attributeToPropertyTypeMap.set(SVGNames::transformAttr, AnimatedTransformList);
}
void SVGStyledTransformableElement::toClipPath(Path& path) const
{
toPathData(path);
// FIXME: How do we know the element has done a layout?
path.transform(animatedLocalTransform());
}
}
#endif // ENABLE(SVG)
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