FreeCAD/src/Base/UnitsSchemaImperial1.cpp

262 lines
11 KiB
C++

/***************************************************************************
* 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"
#ifndef _PreComp_
# include <sstream>
#endif
#ifdef __GNUC__
# include <unistd.h>
#endif
#include <QString>
#include <QLocale>
#include "Exception.h"
#include "UnitsApi.h"
#include "UnitsSchemaImperial1.h"
#include <cmath>
using namespace Base;
//void UnitsSchemaImperial1::setSchemaUnits(void){
// // here you could change the constances used by the parser (defined in Quantity.cpp)
// Quantity::Inch = Quantity (25.4 ,Unit(1));
// Quantity::Foot = Quantity (304.8 ,Unit(1));
// Quantity::Thou = Quantity (0.0254 ,Unit(1));
// Quantity::Yard = Quantity (914.4 ,Unit(1));
// Quantity::Mile = Quantity (1609344.0 ,Unit(1));
//}
//
//void UnitsSchemaImperial1::resetSchemaUnits(void){
// // set units to US customary / Imperial units
// Quantity::Inch = Quantity (25.4 ,Unit(1));
// Quantity::Foot = Quantity (304.8 ,Unit(1));
// Quantity::Thou = Quantity (0.0254 ,Unit(1));
// Quantity::Yard = Quantity (914.4 ,Unit(1));
// Quantity::Mile = Quantity (1609344.0 ,Unit(1));
//}
QString UnitsSchemaImperial1::schemaTranslate(Base::Quantity quant,double &factor,QString &unitString)
{
double UnitValue = std::abs(quant.getValue());
Unit unit = quant.getUnit();
// for imperial user/programmer mind; UnitValue is in internal system, that means
// mm/kg/s. And all combined units have to be calculated from there!
// now do special treatment on all cases seems necessary:
if(unit == Unit::Length){ // Length handling ============================
if(UnitValue < 0.00000254){// smaller then 0.001 thou -> inch and scientific notation
unitString = QString::fromLatin1("in");
factor = 25.4;
}else if(UnitValue < 2.54){ // smaller then 0.1 inch -> Thou (mil)
unitString = QString::fromLatin1("thou");
factor = 0.0254;
}else if(UnitValue < 304.8){
unitString = QString::fromLatin1("\"");
factor = 25.4;
}else if(UnitValue < 914.4){
unitString = QString::fromLatin1("\'");
factor = 304.8;
}else if(UnitValue < 1609344.0){
unitString = QString::fromLatin1("yd");
factor = 914.4;
}else if(UnitValue < 1609344000.0 ){
unitString = QString::fromLatin1("mi");
factor = 1609344.0;
}else{ // bigger then 1000 mi -> scientific notation
unitString = QString::fromLatin1("in");
factor = 25.4;
}
}else if (unit == Unit::Area){
// TODO Cascade for the Areas
// default action for all cases without special treatment:
unitString = QString::fromLatin1("in^2");
factor = 645.16;
}else if (unit == Unit::Volume){
// TODO Cascade for the Volume
// default action for all cases without special treatment:
unitString = QString::fromLatin1("in^3");
factor = 16387.064;
}else if (unit == Unit::Mass){
// TODO Cascade for the wights
// default action for all cases without special treatment:
unitString = QString::fromLatin1("lb");
factor = 0.45359237;
}else if (unit == Unit::Pressure){
if(UnitValue < 145.038){// psi is the smallest
unitString = QString::fromLatin1("psi");
factor = 0.145038;
}else if(UnitValue < 145038){
unitString = QString::fromLatin1("ksi");
factor = 145.038;
}else{ // bigger then 1000 ksi -> psi + scientific notation
unitString = QString::fromLatin1("psi");
factor = 0.145038;
}
}else{
// default action for all cases without special treatment:
unitString = quant.getUnit().getString();
factor = 1.0;
}
//return QString::fromLatin1("%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);
}
QString UnitsSchemaImperialDecimal::schemaTranslate(Base::Quantity quant,double &factor,QString &unitString)
{
double UnitValue = std::abs(quant.getValue());
Unit unit = quant.getUnit();
// for imperial user/programmer mind; UnitValue is in internal system, that means
// mm/kg/s. And all combined units have to be calculated from there!
// now do special treatment on all cases seems necessary:
if(unit == Unit::Length){ // Length handling ============================
if(UnitValue < 0.00000254){// smaller then 0.001 thou -> inch and scientific notation
unitString = QString::fromLatin1("in");
factor = 25.4;
//}else if(UnitValue < 2.54){ // smaller then 0.1 inch -> Thou (mil)
// unitString = QString::fromLatin1("thou");
// factor = 0.0254;
}else{ // bigger then 1000 mi -> scientific notation
unitString = QString::fromLatin1("in");
factor = 25.4;
}
}else if (unit == Unit::Area){
// TODO Cascade for the Areas
// default action for all cases without special treatment:
unitString = QString::fromLatin1("in^2");
factor = 645.16;
}else if (unit == Unit::Volume){
// TODO Cascade for the Volume
// default action for all cases without special treatment:
unitString = QString::fromLatin1("in^3");
factor = 16387.064;
}else if (unit == Unit::Mass){
// TODO Cascade for the wights
// default action for all cases without special treatment:
unitString = QString::fromLatin1("lb");
factor = 0.45359237;
}else if (unit == Unit::Pressure){
if(UnitValue < 145.038){// psi is the smallest
unitString = QString::fromLatin1("psi");
factor = 0.145038;
//}else if(UnitValue < 145038){
// unitString = QString::fromLatin1("ksi");
// factor = 145.038;
}else{ // bigger then 1000 ksi -> psi + scientific notation
unitString = QString::fromLatin1("psi");
factor = 0.145038;
}
}else{
// default action for all cases without special treatment:
unitString = quant.getUnit().getString();
factor = 1.0;
}
//return QString::fromLatin1("%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);
}
QString UnitsSchemaImperialBuilding::schemaTranslate(Base::Quantity quant,double &factor,QString &unitString)
{
// this schema expresses distances in feet + inches + fractions
// ex: 3'- 4 1/4"
Unit unit = quant.getUnit();
if(unit == Unit::Length){
unitString = QString::fromLatin1("in");
factor = 25.4;
double inchValue = std::abs(quant.getValue())/25.4;
int feet = inchValue/12;
double inchPart = inchValue - (double)feet*12;
int inches = (int)inchPart;
double fraction = inchPart - (int)inchPart;
if (fraction > 0.9375) {
inches++;
fraction = 0.0;
}
// if the quantity is too small it is rounded to zero
if (std::abs(quant.getValue()) <= 1.5875)
return QString::fromLatin1("0");
// build representation
std::stringstream output;
if (quant.getValue() < 0)
output << "-";
// feet
if (feet > 0) {
output << feet << "'";
if ( (inches > 0) || (fraction > 0.0625) )
output << " ";
}
// inches
if (inches > 0) {
output << inches;
if (fraction > 0.0625)
output << "+";
else
output << "\"";
}
// fraction
if (fraction <= 0.0625) {}
else if (fraction > 0.8125)
output << "7/8\"";
else if (fraction > 0.6875)
output << "3/4\"";
else if (fraction > 0.5625)
output << "5/8\"";
else if (fraction > 0.4375)
output << "1/2\"";
else if (fraction > 0.3125)
output << "3/8\"";
else if (fraction > 0.1875)
output << "1/4\"";
else
output << "1/8\"";
return QString::fromLatin1(output.str().c_str());
}else if (unit == Unit::Area){
unitString = QString::fromLatin1("sqft");
factor = 92903.04;
}else if (unit == Unit::Volume){
unitString = QString::fromLatin1("cuft");
factor = 28316846.592;
}else{
unitString = quant.getUnit().getString();
factor = 1.0;
}
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);
}