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tdegraphics/ksvg/impl/SVGCircleElementImpl.cc

179 lines
4.6 KiB

/*
Copyright (C) 2001-2003 KSVG Team
This file is part of the KDE project
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 <kdebug.h>
#include <klocale.h>
#include "CanvasItem.h"
#include "KSVGCanvas.h"
#include "SVGRectImpl.h"
#include "SVGDocumentImpl.h"
#include "SVGSVGElementImpl.h"
#include "SVGCircleElementImpl.h"
#include "SVGAnimatedLengthImpl.h"
using namespace KSVG;
#include "SVGCircleElementImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_bridge.h"
#include "ksvg_ecma.h"
SVGCircleElementImpl::SVGCircleElementImpl(DOM::ElementImpl *impl) : SVGShapeImpl(impl), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGTransformableImpl()
{
KSVG_EMPTY_FLAGS
m_cx = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this);
m_cx->ref();
m_cx->baseVal()->setValueAsString("-1");
m_cy = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this);
m_cy->ref();
m_cy->baseVal()->setValueAsString("-1");
m_r = new SVGAnimatedLengthImpl(LENGTHMODE_OTHER, this);
m_r->ref();
m_r->baseVal()->setValueAsString("-1");
}
SVGCircleElementImpl::~SVGCircleElementImpl()
{
if(m_cx)
m_cx->deref();
if(m_cy)
m_cy->deref();
if(m_r)
m_r->deref();
}
SVGAnimatedLengthImpl *SVGCircleElementImpl::cx()
{
return m_cx;
}
SVGAnimatedLengthImpl *SVGCircleElementImpl::cy()
{
return m_cy;
}
SVGAnimatedLengthImpl *SVGCircleElementImpl::r()
{
return m_r;
}
/*
@namespace KSVG
@begin SVGCircleElementImpl::s_hashTable 5
cx SVGCircleElementImpl::Cx DontDelete|ReadOnly
cy SVGCircleElementImpl::Cy DontDelete|ReadOnly
r SVGCircleElementImpl::R DontDelete|ReadOnly
@end
*/
Value SVGCircleElementImpl::getValueProperty(ExecState *exec, int token) const
{
KSVG_CHECK_ATTRIBUTE
switch(token)
{
case Cx:
if(!attributeMode)
return m_cx->cache(exec);
else
return Number(m_cx->baseVal()->value());
case Cy:
if(!attributeMode)
return m_cy->cache(exec);
else
return Number(m_cy->baseVal()->value());
case R:
if(!attributeMode)
return m_r->cache(exec);
else
return Number(m_r->baseVal()->value());
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
void SVGCircleElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
{
// This class has just ReadOnly properties, only with the Internal flag set
// it's allowed to modify those.
if(!(attr & KJS::Internal))
return;
switch(token)
{
case Cx:
cx()->baseVal()->setValueAsString(value.toString(exec).qstring());
break;
case Cy:
cy()->baseVal()->setValueAsString(value.toString(exec).qstring());
break;
case R:
r()->baseVal()->setValueAsString(value.toString(exec).qstring());
if(r()->baseVal()->value() < 0) // A negative value is an error
gotError(i18n("Negative value for attribute r of element <circle> is illegal"));
break;
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
SVGRectImpl *SVGCircleElementImpl::getBBox()
{
SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect();
ret->setX(m_cx->baseVal()->value() - m_r->baseVal()->value());
ret->setY(m_cy->baseVal()->value() - m_r->baseVal()->value());
ret->setWidth(m_r->baseVal()->value() * 2.0);
ret->setHeight(m_r->baseVal()->value() * 2.0);
return ret;
}
void SVGCircleElementImpl::setAttributes()
{
SVGElementImpl::setAttributes();
// Spec: if not specified, effect is as if a value of "0" were specified
if(KSVG_TOKEN_NOT_PARSED(Cx))
KSVG_SET_ALT_ATTRIBUTE(Cx, "0")
// Spec: if not specified, effect is as if a value of "0" were specified
if(KSVG_TOKEN_NOT_PARSED(Cy))
KSVG_SET_ALT_ATTRIBUTE(Cy, "0")
}
void SVGCircleElementImpl::createItem(KSVGCanvas *c)
{
if(!c)
c = ownerDoc()->canvas();
if(!m_item)
{
m_item = c->createCircle(this);
c->insert(m_item);
}
}
// vim:ts=4:noet