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/*
Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
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 "Attr.h"
#include "MappedAttribute.h"
#include "RenderPath.h"
#include "SVGDocument.h"
#include "SVGStyledElement.h"
#include "SVGTransformList.h"
#include "TransformationMatrix.h"
namespace WebCore {
char SVGStyledTransformableElementIdentifier[] = "SVGStyledTransformableElement";
SVGStyledTransformableElement::SVGStyledTransformableElement(const QualifiedName& tagName, Document* doc)
: SVGStyledLocatableElement(tagName, doc)
, SVGTransformable()
, m_transform(this, SVGNames::transformAttr, SVGTransformList::create(SVGNames::transformAttr))
{
}
SVGStyledTransformableElement::~SVGStyledTransformableElement()
{
}
TransformationMatrix SVGStyledTransformableElement::getCTM() const
{
return SVGTransformable::getCTM(this);
}
TransformationMatrix SVGStyledTransformableElement::getScreenCTM() const
{
return SVGTransformable::getScreenCTM(this);
}
TransformationMatrix SVGStyledTransformableElement::animatedLocalTransform() const
{
return m_supplementalTransform ? transform()->concatenate().matrix() * *m_supplementalTransform : transform()->concatenate().matrix();
}
TransformationMatrix* SVGStyledTransformableElement::supplementalTransform()
{
if (!m_supplementalTransform)
m_supplementalTransform.set(new TransformationMatrix());
return m_supplementalTransform.get();
}
void SVGStyledTransformableElement::parseMappedAttribute(MappedAttribute* attr)
{
if (attr->name() == SVGNames::transformAttr) {
SVGTransformList* localTransforms = transformBaseValue();
ExceptionCode ec = 0;
localTransforms->clear(ec);
if (!SVGTransformable::parseTransformAttribute(localTransforms, attr->value()))
localTransforms->clear(ec);
else
setTransformBaseValue(localTransforms);
} else
SVGStyledLocatableElement::parseMappedAttribute(attr);
}
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() const
{
return SVGTransformable::getBBox(this);
}
RenderObject* SVGStyledTransformableElement::createRenderer(RenderArena* arena, RenderStyle*)
{
// By default, any subclass is expected to do path-based drawing
return new (arena) RenderPath(this);
}
Path SVGStyledTransformableElement::toClipPath() const
{
Path pathData = toPathData();
// FIXME: How do we know the element has done a layout?
pathData.transform(animatedLocalTransform());
return pathData;
}
}
#endif // ENABLE(SVG)
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