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/*
* Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2008 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 "SVGTextElement.h"
#include "AffineTransform.h"
#include "Attribute.h"
#include "FloatRect.h"
#include "RenderSVGResource.h"
#include "RenderSVGText.h"
#include "SVGLengthList.h"
#include "SVGRenderStyle.h"
#include "SVGTSpanElement.h"
#include "SVGTransformList.h"
namespace WebCore {
SVGTextElement::SVGTextElement(const QualifiedName& tagName, Document* doc)
: SVGTextPositioningElement(tagName, doc)
, SVGTransformable()
, m_transform(SVGTransformList::create(SVGNames::transformAttr))
{
}
SVGTextElement::~SVGTextElement()
{
}
void SVGTextElement::parseMappedAttribute(Attribute* attr)
{
if (SVGTransformable::isKnownAttribute(attr->name())) {
SVGTransformList* localTransforms = transformBaseValue();
if (!SVGTransformable::parseTransformAttribute(localTransforms, attr->value())) {
ExceptionCode ec = 0;
localTransforms->clear(ec);
}
} else
SVGTextPositioningElement::parseMappedAttribute(attr);
}
SVGElement* SVGTextElement::nearestViewportElement() const
{
return SVGTransformable::nearestViewportElement(this);
}
SVGElement* SVGTextElement::farthestViewportElement() const
{
return SVGTransformable::farthestViewportElement(this);
}
FloatRect SVGTextElement::getBBox(StyleUpdateStrategy styleUpdateStrategy) const
{
return SVGTransformable::getBBox(this, styleUpdateStrategy);
}
AffineTransform SVGTextElement::getCTM(StyleUpdateStrategy styleUpdateStrategy) const
{
return SVGLocatable::computeCTM(this, SVGLocatable::NearestViewportScope, styleUpdateStrategy);
}
AffineTransform SVGTextElement::getScreenCTM(StyleUpdateStrategy styleUpdateStrategy) const
{
return SVGLocatable::computeCTM(this, SVGLocatable::ScreenScope, styleUpdateStrategy);
}
AffineTransform SVGTextElement::animatedLocalTransform() const
{
return m_supplementalTransform ? transform()->concatenate().matrix() * *m_supplementalTransform : transform()->concatenate().matrix();
}
AffineTransform* SVGTextElement::supplementalTransform()
{
if (!m_supplementalTransform)
m_supplementalTransform.set(new AffineTransform());
return m_supplementalTransform.get();
}
RenderObject* SVGTextElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderSVGText(this);
}
bool SVGTextElement::childShouldCreateRenderer(Node* child) const
{
if (child->isTextNode()
#if ENABLE(SVG_FONTS)
|| child->hasTagName(SVGNames::altGlyphTag)
#endif
|| child->hasTagName(SVGNames::tspanTag) || child->hasTagName(SVGNames::trefTag) || child->hasTagName(SVGNames::aTag) || child->hasTagName(SVGNames::textPathTag))
return true;
return false;
}
void SVGTextElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGTextPositioningElement::svgAttributeChanged(attrName);
RenderObject* renderer = this->renderer();
if (!renderer)
return;
if (SVGTransformable::isKnownAttribute(attrName)) {
renderer->setNeedsTransformUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
}
}
void SVGTextElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGTextPositioningElement::synchronizeProperty(attrName);
if (attrName == anyQName() || SVGTransformable::isKnownAttribute(attrName))
synchronizeTransform();
}
}
#endif // ENABLE(SVG)
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