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tdegraphics/ksvg/impl/SVGLineElementImpl.cc

214 lines
5.3 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 <math.h>
#include <kglobal.h>
#include <kdebug.h>
#include "CanvasItem.h"
#include "KSVGCanvas.h"
#include "SVGRectImpl.h"
#include "SVGAngleImpl.h"
#include "SVGDocumentImpl.h"
#include "SVGSVGElementImpl.h"
#include "SVGLineElementImpl.h"
#include "SVGAnimatedLengthImpl.h"
using namespace KSVG;
#include "SVGLineElementImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_bridge.h"
#include "ksvg_ecma.h"
SVGLineElementImpl::SVGLineElementImpl(DOM::ElementImpl *impl) : SVGShapeImpl(impl), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGTransformableImpl()
{
KSVG_EMPTY_FLAGS
m_x1 = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this);
m_x1->ref();
m_x1->baseVal()->setValueAsString("-1");
m_y1 = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this);
m_y1->ref();
m_y1->baseVal()->setValueAsString("-1");
m_x2 = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this);
m_x2->ref();
m_x2->baseVal()->setValueAsString("-1");
m_y2 = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this);
m_y2->ref();
m_y2->baseVal()->setValueAsString("-1");
}
SVGLineElementImpl::~SVGLineElementImpl()
{
if(m_x1)
m_x1->deref();
if(m_x2)
m_x2->deref();
if(m_y1)
m_y1->deref();
if(m_y2)
m_y2->deref();
}
SVGAnimatedLengthImpl *SVGLineElementImpl::x1()
{
return m_x1;
}
SVGAnimatedLengthImpl *SVGLineElementImpl::y1()
{
return m_y1;
}
SVGAnimatedLengthImpl *SVGLineElementImpl::x2()
{
return m_x2;
}
SVGAnimatedLengthImpl *SVGLineElementImpl::y2()
{
return m_y2;
}
/*
@namespace KSVG
@begin SVGLineElementImpl::s_hashTable 5
x1 SVGLineElementImpl::X1 DontDelete|ReadOnly
y1 SVGLineElementImpl::Y1 DontDelete|ReadOnly
x2 SVGLineElementImpl::X2 DontDelete|ReadOnly
y2 SVGLineElementImpl::Y2 DontDelete|ReadOnly
@end
*/
Value SVGLineElementImpl::getValueProperty(ExecState *exec, int token) const
{
KSVG_CHECK_ATTRIBUTE
switch(token)
{
case X1:
if(!attributeMode)
return m_x1->cache(exec);
else
return Number(m_x1->baseVal()->value());
case Y1:
if(!attributeMode)
return m_y1->cache(exec);
else
return Number(m_y1->baseVal()->value());
case X2:
if(!attributeMode)
return m_x2->cache(exec);
else
return Number(m_x2->baseVal()->value());
case Y2:
if(!attributeMode)
return m_y2->cache(exec);
else
return Number(m_y2->baseVal()->value());
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
void SVGLineElementImpl::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 X1:
x1()->baseVal()->setValueAsString(value.toString(exec).qstring());
break;
case Y1:
y1()->baseVal()->setValueAsString(value.toString(exec).qstring());
break;
case X2:
x2()->baseVal()->setValueAsString(value.toString(exec).qstring());
break;
case Y2:
y2()->baseVal()->setValueAsString(value.toString(exec).qstring());
break;
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
SVGRectImpl *SVGLineElementImpl::getBBox()
{
SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect();
float minx = kMin(m_x1->baseVal()->value(), m_x2->baseVal()->value());
float miny = kMin(m_y1->baseVal()->value(), m_y2->baseVal()->value());
float maxx = kMax(m_x1->baseVal()->value(), m_x2->baseVal()->value());
float maxy = kMax(m_y1->baseVal()->value(), m_y2->baseVal()->value());
ret->setX(minx);
ret->setY(miny);
ret->setWidth(maxx - minx);
ret->setHeight(maxy - miny);
return ret;
}
void SVGLineElementImpl::setAttributes()
{
SVGElementImpl::setAttributes();
// Spec: if not specified, effect is as if a value of "0" were specified
if(KSVG_TOKEN_NOT_PARSED(X1))
KSVG_SET_ALT_ATTRIBUTE(X1, "0")
// Spec: if not specified, effect is as if a value of "0" were specified
if(KSVG_TOKEN_NOT_PARSED(Y1))
KSVG_SET_ALT_ATTRIBUTE(Y1, "0")
// Spec: if not specified, effect is as if a value of "0" were specified
if(KSVG_TOKEN_NOT_PARSED(X2))
KSVG_SET_ALT_ATTRIBUTE(X2, "0")
// Spec: if not specified, effect is as if a value of "0" were specified
if(KSVG_TOKEN_NOT_PARSED(Y2))
KSVG_SET_ALT_ATTRIBUTE(Y2, "0")
}
void SVGLineElementImpl::createItem(KSVGCanvas *c)
{
if(!c)
c = ownerDoc()->canvas();
if(!m_item)
{
m_item = c->createLine(this);
c->insert(m_item);
}
}
// vim:ts=4:noet