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278 lines
7.0 KiB
278 lines
7.0 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <kdebug.h>
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#include "SVGAngle.h"
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#include "SVGAngleImpl.h"
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using namespace KSVG;
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#include "SVGAngleImpl.lut.h"
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#include "ksvg_scriptinterpreter.h"
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#include "ksvg_bridge.h"
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#include "ksvg_cacheimpl.h"
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const double deg2rad = 0.017453292519943295769; // pi/180
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const double deg2grad = 400.0 / 360.0;
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const double rad2grad = deg2grad / deg2rad;
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SVGAngleImpl::SVGAngleImpl()
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{
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KSVG_EMPTY_FLAGS
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m_unitType = SVG_ANGLETYPE_UNKNOWN;
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m_valueInSpecifiedUnits = 0;
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m_value = 0;
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}
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SVGAngleImpl::~SVGAngleImpl()
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{
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}
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unsigned short SVGAngleImpl::unitType() const
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{
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return m_unitType;
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}
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void SVGAngleImpl::setValue(float value)
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{
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m_value = value;
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}
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float SVGAngleImpl::value() const
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{
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return m_value;
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}
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// calc m_value
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void SVGAngleImpl::calculate()
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{
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if(m_unitType == SVG_ANGLETYPE_GRAD)
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m_value = m_valueInSpecifiedUnits / deg2grad;
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else if(m_unitType == SVG_ANGLETYPE_RAD)
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m_value = m_valueInSpecifiedUnits / deg2rad;
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else if(m_unitType == SVG_ANGLETYPE_UNSPECIFIED || m_unitType == SVG_ANGLETYPE_DEG)
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m_value = m_valueInSpecifiedUnits;
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}
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void SVGAngleImpl::setValueInSpecifiedUnits(float valueInSpecifiedUnits)
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{
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m_valueInSpecifiedUnits = valueInSpecifiedUnits;
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calculate();
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}
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float SVGAngleImpl::valueInSpecifiedUnits() const
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{
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return m_valueInSpecifiedUnits;
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}
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void SVGAngleImpl::setValueAsString(const DOM::DOMString &valueAsString)
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{
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m_valueAsString = valueAsString;
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QString s = valueAsString.string();
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bool bOK;
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m_valueInSpecifiedUnits = s.toFloat(&bOK);
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m_unitType = SVG_ANGLETYPE_UNSPECIFIED;
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if(!bOK)
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{
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if(s.endsWith("deg"))
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m_unitType = SVG_ANGLETYPE_DEG;
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else if(s.endsWith("grad"))
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m_unitType = SVG_ANGLETYPE_GRAD;
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else if(s.endsWith("rad"))
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m_unitType = SVG_ANGLETYPE_RAD;
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}
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calculate();
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}
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DOM::DOMString SVGAngleImpl::valueAsString() const
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{
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m_valueAsString.string().setNum(m_valueInSpecifiedUnits);
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switch(m_unitType)
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{
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case SVG_ANGLETYPE_UNSPECIFIED:
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case SVG_ANGLETYPE_DEG:
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m_valueAsString.string() += "deg";
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break;
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case SVG_ANGLETYPE_RAD:
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m_valueAsString.string() += "rad";
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break;
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case SVG_ANGLETYPE_GRAD:
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m_valueAsString.string() += "grad";
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break;
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}
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return m_valueAsString;
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}
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void SVGAngleImpl::newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits)
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{
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m_unitType = unitType;
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m_valueInSpecifiedUnits = valueInSpecifiedUnits;
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calculate();
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}
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void SVGAngleImpl::convertToSpecifiedUnits(unsigned short unitType)
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{
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if(m_unitType == unitType)
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return;
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if(m_unitType == SVG_ANGLETYPE_DEG && unitType == SVG_ANGLETYPE_RAD)
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m_valueInSpecifiedUnits *= deg2rad;
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else if(m_unitType == SVG_ANGLETYPE_GRAD && unitType == SVG_ANGLETYPE_RAD)
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m_valueInSpecifiedUnits /= rad2grad;
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else if(m_unitType == SVG_ANGLETYPE_DEG && unitType == SVG_ANGLETYPE_GRAD)
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m_valueInSpecifiedUnits *= deg2grad;
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else if(m_unitType == SVG_ANGLETYPE_RAD && unitType == SVG_ANGLETYPE_GRAD)
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m_valueInSpecifiedUnits *= rad2grad;
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else if(m_unitType == SVG_ANGLETYPE_RAD && unitType == SVG_ANGLETYPE_DEG)
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m_valueInSpecifiedUnits /= deg2rad;
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else if(m_unitType == SVG_ANGLETYPE_GRAD && unitType == SVG_ANGLETYPE_DEG)
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m_valueInSpecifiedUnits /= deg2grad;
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m_unitType = unitType;
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}
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// Helpers
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double SVGAngleImpl::todeg(double rad)
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{
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return rad / deg2rad;
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}
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double SVGAngleImpl::torad(double deg)
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{
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return deg * deg2rad;
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}
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double SVGAngleImpl::shortestArcBisector(double angle1, double angle2)
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{
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double bisector = (angle1 + angle2) / 2;
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if(fabs(angle1 - angle2) > 180)
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bisector += 180;
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return bisector;
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}
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// Ecma stuff
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/*
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@namespace KSVG
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@begin SVGAngleImpl::s_hashTable 5
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value SVGAngleImpl::Value DontDelete
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valueInSpecifiedUnits SVGAngleImpl::ValueInSpecifiedUnits DontDelete
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valueAsString SVGAngleImpl::ValueAsString DontDelete
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unitType SVGAngleImpl::UnitType DontDelete
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@end
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@namespace KSVG
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@begin SVGAngleImplProto::s_hashTable 3
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convertToSpecifiedUnits SVGAngleImpl::ConvertToSpecifiedUnits DontDelete|Function 1
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newValueSpecifiedUnits SVGAngleImpl::NewValueSpecifiedUnits DontDelete|Function 2
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@end
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*/
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KSVG_IMPLEMENT_PROTOTYPE("SVGAngle", SVGAngleImplProto, SVGAngleImplProtoFunc)
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Value SVGAngleImpl::getValueProperty(ExecState *, int token) const
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{
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switch(token)
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{
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case Value:
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return Number(value());
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case ValueInSpecifiedUnits:
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return Number(valueInSpecifiedUnits());
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case ValueAsString:
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return String(valueAsString().string());
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case UnitType:
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return Number(unitType());
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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return Undefined();
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}
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}
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void SVGAngleImpl::putValueProperty(ExecState *exec, int token, const KJS::Value &value, int)
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{
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switch(token)
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{
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case Value:
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setValue(value.toNumber(exec));
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break;
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case ValueInSpecifiedUnits:
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setValueInSpecifiedUnits(value.toNumber(exec));
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break;
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case ValueAsString:
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setValueAsString(value.toString(exec).string());
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break;
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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}
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}
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Value SVGAngleImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &args)
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{
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KSVG_CHECK_THIS(SVGAngleImpl)
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switch(id)
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{
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case SVGAngleImpl::ConvertToSpecifiedUnits:
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obj->convertToSpecifiedUnits(static_cast<unsigned short>(args[0].toNumber(exec)));
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break;
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case SVGAngleImpl::NewValueSpecifiedUnits:
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obj->newValueSpecifiedUnits(static_cast<unsigned short>(args[0].toNumber(exec)), args[1].toNumber(exec));
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break;
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default:
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kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl;
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break;
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}
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return Undefined();
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}
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/*
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@namespace KSVG
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@begin SVGAngleImplConstructor::s_hashTable 7
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SVG_ANGLETYPE_UNKNOWN KSVG::SVG_ANGLETYPE_UNKNOWN DontDelete|ReadOnly
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SVG_ANGLETYPE_UNSPECIFIED KSVG::SVG_ANGLETYPE_UNSPECIFIED DontDelete|ReadOnly
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SVG_ANGLETYPE_RAD KSVG::SVG_ANGLETYPE_RAD DontDelete|ReadOnly
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SVG_ANGLETYPE_DEG KSVG::SVG_ANGLETYPE_DEG DontDelete|ReadOnly
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SVG_ANGLETYPE_GRAD KSVG::SVG_ANGLETYPE_GRAD DontDelete|ReadOnly
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@end
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*/
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Value SVGAngleImplConstructor::getValueProperty(ExecState *, int token) const
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{
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return Number(token);
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}
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Value KSVG::getSVGAngleImplConstructor(ExecState *exec)
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{
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return cacheGlobalBridge<SVGAngleImplConstructor>(exec, "[[svgangle.constructor]]");
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}
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// vim:ts=4:noet
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