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/*
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 "SVGAngle.h"
#include "SVGAngleImpl.h"
using namespace KSVG;
#include "SVGAngleImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_bridge.h"
#include "ksvg_cacheimpl.h"
const double deg2rad = 0.017453292519943295769; // pi/180
const double deg2grad = 400.0 / 360.0;
const double rad2grad = deg2grad / deg2rad;
SVGAngleImpl::SVGAngleImpl()
{
KSVG_EMPTY_FLAGS
m_unitType = SVG_ANGLETYPE_UNKNOWN;
m_valueInSpecifiedUnits = 0;
m_value = 0;
}
SVGAngleImpl::~SVGAngleImpl()
{
}
unsigned short SVGAngleImpl::unitType() const
{
return m_unitType;
}
void SVGAngleImpl::setValue(float value)
{
m_value = value;
}
float SVGAngleImpl::value() const
{
return m_value;
}
// calc m_value
void SVGAngleImpl::calculate()
{
if(m_unitType == SVG_ANGLETYPE_GRAD)
m_value = m_valueInSpecifiedUnits / deg2grad;
else if(m_unitType == SVG_ANGLETYPE_RAD)
m_value = m_valueInSpecifiedUnits / deg2rad;
else if(m_unitType == SVG_ANGLETYPE_UNSPECIFIED || m_unitType == SVG_ANGLETYPE_DEG)
m_value = m_valueInSpecifiedUnits;
}
void SVGAngleImpl::setValueInSpecifiedUnits(float valueInSpecifiedUnits)
{
m_valueInSpecifiedUnits = valueInSpecifiedUnits;
calculate();
}
float SVGAngleImpl::valueInSpecifiedUnits() const
{
return m_valueInSpecifiedUnits;
}
void SVGAngleImpl::setValueAsString(const DOM::DOMString &valueAsString)
{
m_valueAsString = valueAsString;
QString s = valueAsString.string();
bool bOK;
m_valueInSpecifiedUnits = s.toFloat(&bOK);
m_unitType = SVG_ANGLETYPE_UNSPECIFIED;
if(!bOK)
{
if(s.endsWith("deg"))
m_unitType = SVG_ANGLETYPE_DEG;
else if(s.endsWith("grad"))
m_unitType = SVG_ANGLETYPE_GRAD;
else if(s.endsWith("rad"))
m_unitType = SVG_ANGLETYPE_RAD;
}
calculate();
}
DOM::DOMString SVGAngleImpl::valueAsString() const
{
m_valueAsString.string().setNum(m_valueInSpecifiedUnits);
switch(m_unitType)
{
case SVG_ANGLETYPE_UNSPECIFIED:
case SVG_ANGLETYPE_DEG:
m_valueAsString.string() += "deg";
break;
case SVG_ANGLETYPE_RAD:
m_valueAsString.string() += "rad";
break;
case SVG_ANGLETYPE_GRAD:
m_valueAsString.string() += "grad";
break;
}
return m_valueAsString;
}
void SVGAngleImpl::newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits)
{
m_unitType = unitType;
m_valueInSpecifiedUnits = valueInSpecifiedUnits;
calculate();
}
void SVGAngleImpl::convertToSpecifiedUnits(unsigned short unitType)
{
if(m_unitType == unitType)
return;
if(m_unitType == SVG_ANGLETYPE_DEG && unitType == SVG_ANGLETYPE_RAD)
m_valueInSpecifiedUnits *= deg2rad;
else if(m_unitType == SVG_ANGLETYPE_GRAD && unitType == SVG_ANGLETYPE_RAD)
m_valueInSpecifiedUnits /= rad2grad;
else if(m_unitType == SVG_ANGLETYPE_DEG && unitType == SVG_ANGLETYPE_GRAD)
m_valueInSpecifiedUnits *= deg2grad;
else if(m_unitType == SVG_ANGLETYPE_RAD && unitType == SVG_ANGLETYPE_GRAD)
m_valueInSpecifiedUnits *= rad2grad;
else if(m_unitType == SVG_ANGLETYPE_RAD && unitType == SVG_ANGLETYPE_DEG)
m_valueInSpecifiedUnits /= deg2rad;
else if(m_unitType == SVG_ANGLETYPE_GRAD && unitType == SVG_ANGLETYPE_DEG)
m_valueInSpecifiedUnits /= deg2grad;
m_unitType = unitType;
}
// Helpers
double SVGAngleImpl::todeg(double rad)
{
return rad / deg2rad;
}
double SVGAngleImpl::torad(double deg)
{
return deg * deg2rad;
}
double SVGAngleImpl::shortestArcBisector(double angle1, double angle2)
{
double bisector = (angle1 + angle2) / 2;
if(fabs(angle1 - angle2) > 180)
bisector += 180;
return bisector;
}
// Ecma stuff
/*
@namespace KSVG
@begin SVGAngleImpl::s_hashTable 5
value SVGAngleImpl::Value DontDelete
valueInSpecifiedUnits SVGAngleImpl::ValueInSpecifiedUnits DontDelete
valueAsString SVGAngleImpl::ValueAsString DontDelete
unitType SVGAngleImpl::UnitType DontDelete
@end
@namespace KSVG
@begin SVGAngleImplProto::s_hashTable 3
convertToSpecifiedUnits SVGAngleImpl::ConvertToSpecifiedUnits DontDelete|Function 1
newValueSpecifiedUnits SVGAngleImpl::NewValueSpecifiedUnits DontDelete|Function 2
@end
*/
KSVG_IMPLEMENT_PROTOTYPE("SVGAngle", SVGAngleImplProto, SVGAngleImplProtoFunc)
Value SVGAngleImpl::getValueProperty(ExecState *, int token) const
{
switch(token)
{
case Value:
return Number(value());
case ValueInSpecifiedUnits:
return Number(valueInSpecifiedUnits());
case ValueAsString:
return String(valueAsString().string());
case UnitType:
return Number(unitType());
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
void SVGAngleImpl::putValueProperty(ExecState *exec, int token, const KJS::Value &value, int)
{
switch(token)
{
case Value:
setValue(value.toNumber(exec));
break;
case ValueInSpecifiedUnits:
setValueInSpecifiedUnits(value.toNumber(exec));
break;
case ValueAsString:
setValueAsString(value.toString(exec).string());
break;
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
Value SVGAngleImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &args)
{
KSVG_CHECK_THIS(SVGAngleImpl)
switch(id)
{
case SVGAngleImpl::ConvertToSpecifiedUnits:
obj->convertToSpecifiedUnits(static_cast<unsigned short>(args[0].toNumber(exec)));
break;
case SVGAngleImpl::NewValueSpecifiedUnits:
obj->newValueSpecifiedUnits(static_cast<unsigned short>(args[0].toNumber(exec)), args[1].toNumber(exec));
break;
default:
kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl;
break;
}
return Undefined();
}
/*
@namespace KSVG
@begin SVGAngleImplConstructor::s_hashTable 7
SVG_ANGLETYPE_UNKNOWN KSVG::SVG_ANGLETYPE_UNKNOWN DontDelete|ReadOnly
SVG_ANGLETYPE_UNSPECIFIED KSVG::SVG_ANGLETYPE_UNSPECIFIED DontDelete|ReadOnly
SVG_ANGLETYPE_RAD KSVG::SVG_ANGLETYPE_RAD DontDelete|ReadOnly
SVG_ANGLETYPE_DEG KSVG::SVG_ANGLETYPE_DEG DontDelete|ReadOnly
SVG_ANGLETYPE_GRAD KSVG::SVG_ANGLETYPE_GRAD DontDelete|ReadOnly
@end
*/
Value SVGAngleImplConstructor::getValueProperty(ExecState *, int token) const
{
return Number(token);
}
Value KSVG::getSVGAngleImplConstructor(ExecState *exec)
{
return cacheGlobalBridge<SVGAngleImplConstructor>(exec, "[[svgangle.constructor]]");
}
// vim:ts=4:noet
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