FreeCAD

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/***************************************************************************
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 *   Copyright (c) WandererFan <wandererfan@gmail.com>                     *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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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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 *                                                                         *
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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         *
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 *   GNU Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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/*  Metric units schema intended for design of large objects
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 *  Lengths are always in metres.
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 *  Areas are always in square metres
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 *  Volumes are always in cubic metres
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 *  Angles in decimal degrees (use degree symbol)
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 *  Velocities in m/sec
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 */
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#include "PreCompiled.h"
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#ifdef __GNUC__
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#include <unistd.h>
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#endif
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#include <QString>
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#include "UnitsSchemaMeterDecimal.h"
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using namespace Base;
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QString UnitsSchemaMeterDecimal::schemaTranslate(const Base::Quantity& quant,
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                                                 double& factor,
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                                                 QString& unitString)
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{
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    Unit unit = quant.getUnit();
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    if (unit == Unit::Length) {
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        // all length units in metres
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        unitString = QString::fromLatin1("m");
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        factor = 1e3;
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    }
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    else if (unit == Unit::Area) {
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        // all area units in square meters
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        unitString = QString::fromLatin1("m^2");
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        factor = 1e6;
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    }
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    else if (unit == Unit::Volume) {
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        // all area units in cubic meters
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        unitString = QString::fromLatin1("m^3");
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        factor = 1e9;
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    }
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    else if (unit == Unit::Power) {
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        // watts
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        unitString = QString::fromLatin1("W");
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        factor = 1000000;
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    }
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    else if (unit == Unit::ElectricPotential) {
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        // volts
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        unitString = QString::fromLatin1("V");
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        factor = 1000000;
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    }
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    else if (unit == Unit::HeatFlux) {
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        // watts per square metre
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        unitString = QString::fromLatin1("W/m^2");
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        factor = 1.0;
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    }
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    else if (unit == Unit::Velocity) {
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        // metres per second
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        unitString = QString::fromLatin1("m/s");
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        factor = 1e3;
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    }
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    else {
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        // default action for all cases without special treatment:
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        unitString = quant.getUnit().getString();
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        factor = 1.0;
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    }
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    return toLocale(quant, factor, unitString);
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}
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