/
UnitsSchemaInternal.cpp
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/
UnitsSchemaInternal.cpp
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/***************************************************************************
* Copyright (c) 2009 Juergen Riegel (FreeCAD@juergen-riegel.net) *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* 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., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifdef __GNUC__
# include <unistd.h>
#endif
#include <QString>
#include <QLocale>
#include "Exception.h"
#include "UnitsApi.h"
#include "UnitsSchemaInternal.h"
#include <cmath>
using namespace Base;
QString UnitsSchemaInternal::schemaTranslate(Base::Quantity quant,double &factor,QString &unitString)
{
double UnitValue = std::abs(quant.getValue());
Unit unit = quant.getUnit();
// now do special treatment on all cases seams nececarry:
if(unit == Unit::Length){ // Length handling ============================
if(UnitValue < 0.000000001){// smaller then 0.001 nm -> scientific notation
unitString = QString::fromLatin1("mm");
factor = 1.0;
}else if(UnitValue < 0.001){
unitString = QString::fromLatin1("nm");
factor = 0.000001;
}else if(UnitValue < 0.1){
unitString = QString::fromUtf8("\xC2\xB5m");
factor = 0.001;
}else if(UnitValue < 10000.0){
unitString = QString::fromLatin1("mm");
factor = 1.0;
}else if(UnitValue < 10000000.0){
unitString = QString::fromLatin1("m");
factor = 1000.0;
}else if(UnitValue < 100000000000.0 ){
unitString = QString::fromLatin1("km");
factor = 1000000.0;
}else{ // bigger then 1000 km -> scientific notation
unitString = QString::fromLatin1("mm");
factor = 1.0;
}
}else if (unit == Unit::Area){
// TODO Cascade for the Areas
// default action for all cases without special treatment:
unitString = quant.getUnit().getString();
factor = 1.0;
}else if (unit == Unit::Angle){
// TODO Cascade for the Areas
// default action for all cases without special treatment:
unitString = QString::fromUtf8("\xC2\xB0");
factor = 1.0;
}else if (unit == Unit::Mass){
// TODO Cascade for the wights
// default action for all cases without special treatment:
unitString = quant.getUnit().getString();
factor = 1.0;
}else if (unit == Unit::Density){
if(UnitValue < 0.0001){
unitString = QString::fromLatin1("kg/m^3");
factor = 0.000000001;
}else if(UnitValue < 1.0){
unitString = QString::fromLatin1("kg/cm^3");
factor = 0.001;
}else{
unitString = QString::fromLatin1("kg/mm^3");
factor = 1.0;
}
}else if ((unit == Unit::Pressure) || (unit == Unit::Stress)){
if(UnitValue < 10.0){// Pa is the smallest
unitString = QString::fromLatin1("Pa");
factor = 0.001;
}else if(UnitValue < 10000.0){
unitString = QString::fromLatin1("kPa");
factor = 1.0;
}else if(UnitValue < 10000000.0){
unitString = QString::fromLatin1("MPa");
factor = 1000.0;
}else if(UnitValue < 10000000000.0){
unitString = QString::fromLatin1("GPa");
factor = 1000000.0;
}else{ // bigger -> scientific notation
unitString = QString::fromLatin1("Pa");
factor = 1.0;
}
}else{
// default action for all cases without special treatment:
unitString = quant.getUnit().getString();
factor = 1.0;
}
//return QString::fromUtf8("%L1 %2").arg(quant.getValue() / factor).arg(unitString);
QLocale Lc = QLocale::system();
Lc.setNumberOptions(Lc.OmitGroupSeparator | Lc.RejectGroupSeparator);
QString Ln = Lc.toString((quant.getValue() / factor), 'f', Base::UnitsApi::getDecimals());
return QString::fromUtf8("%1 %2").arg(Ln).arg(unitString);
}