329 lines
12 KiB
C++
329 lines
12 KiB
C++
/***************************************************************************
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* Copyright (c) 2009 Juergen Riegel (FreeCAD@juergen-riegel.net) *
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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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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <sstream>
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#endif
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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 <QLocale>
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#include "Exception.h"
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#include "UnitsApi.h"
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#include "UnitsSchemaImperial1.h"
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#include <cmath>
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using namespace Base;
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//void UnitsSchemaImperial1::setSchemaUnits(void){
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// // here you could change the constances used by the parser (defined in Quantity.cpp)
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// Quantity::Inch = Quantity (25.4 ,Unit(1));
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// Quantity::Foot = Quantity (304.8 ,Unit(1));
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// Quantity::Thou = Quantity (0.0254 ,Unit(1));
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// Quantity::Yard = Quantity (914.4 ,Unit(1));
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// Quantity::Mile = Quantity (1609344.0 ,Unit(1));
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//}
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//
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//void UnitsSchemaImperial1::resetSchemaUnits(void){
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// // set units to US customary / Imperial units
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// Quantity::Inch = Quantity (25.4 ,Unit(1));
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// Quantity::Foot = Quantity (304.8 ,Unit(1));
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// Quantity::Thou = Quantity (0.0254 ,Unit(1));
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// Quantity::Yard = Quantity (914.4 ,Unit(1));
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// Quantity::Mile = Quantity (1609344.0 ,Unit(1));
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//}
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QString UnitsSchemaImperial1::schemaTranslate(const Quantity &quant, double &factor, QString &unitString)
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{
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double UnitValue = std::abs(quant.getValue());
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Unit unit = quant.getUnit();
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// for imperial user/programmer mind; UnitValue is in internal system, that means
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// mm/kg/s. And all combined units have to be calculated from there!
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// now do special treatment on all cases seems necessary:
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if (unit == Unit::Length) { // Length handling ============================
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if (UnitValue < 0.00000254) {// smaller then 0.001 thou -> inch and scientific notation
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unitString = QString::fromLatin1("in");
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factor = 25.4;
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}
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else if(UnitValue < 2.54) { // smaller then 0.1 inch -> Thou (mil)
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unitString = QString::fromLatin1("thou");
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factor = 0.0254;
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}
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else if(UnitValue < 304.8) {
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unitString = QString::fromLatin1("\"");
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factor = 25.4;
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}
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else if(UnitValue < 914.4) {
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unitString = QString::fromLatin1("\'");
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factor = 304.8;
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}
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else if(UnitValue < 1609344.0) {
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unitString = QString::fromLatin1("yd");
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factor = 914.4;
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}
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else if(UnitValue < 1609344000.0) {
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unitString = QString::fromLatin1("mi");
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factor = 1609344.0;
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}
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else { // bigger then 1000 mi -> scientific notation
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unitString = QString::fromLatin1("in");
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factor = 25.4;
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}
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}
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else if (unit == Unit::Area) {
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// TODO Cascade for the Areas
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// default action for all cases without special treatment:
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unitString = QString::fromLatin1("in^2");
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factor = 645.16;
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}
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else if (unit == Unit::Volume) {
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// TODO Cascade for the Volume
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// default action for all cases without special treatment:
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unitString = QString::fromLatin1("in^3");
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factor = 16387.064;
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}
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else if (unit == Unit::Mass) {
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// TODO Cascade for the wights
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// default action for all cases without special treatment:
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unitString = QString::fromLatin1("lb");
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factor = 0.45359237;
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}
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else if (unit == Unit::Pressure) {
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if (UnitValue < 6894.744) {// psi is the smallest
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unitString = QString::fromLatin1("psi");
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factor = 6.894744825494;
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}
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else if (UnitValue < 6894744.825) {
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unitString = QString::fromLatin1("ksi");
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factor = 6894.744825494;
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}
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else { // bigger then 1000 ksi -> psi + scientific notation
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unitString = QString::fromLatin1("psi");
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factor = 6.894744825494;
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}
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}
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else if (unit == Unit::Velocity) {
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unitString = QString::fromLatin1("in/min");
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factor = 25.4/60;
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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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QString UnitsSchemaImperialDecimal::schemaTranslate(const Base::Quantity& quant, double &factor, QString &unitString)
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{
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double UnitValue = std::abs(quant.getValue());
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Unit unit = quant.getUnit();
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// for imperial user/programmer mind; UnitValue is in internal system, that means
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// mm/kg/s. And all combined units have to be calculated from there!
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// now do special treatment on all cases seems necessary:
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if (unit == Unit::Length) { // Length handling ============================
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if (UnitValue < 0.00000254) {// smaller then 0.001 thou -> inch and scientific notation
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unitString = QString::fromLatin1("in");
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factor = 25.4;
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//}else if(UnitValue < 2.54){ // smaller then 0.1 inch -> Thou (mil)
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// unitString = QString::fromLatin1("thou");
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// factor = 0.0254;
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}
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else { // bigger then 1000 mi -> scientific notation
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unitString = QString::fromLatin1("in");
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factor = 25.4;
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}
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}
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else if (unit == Unit::Area) {
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// TODO Cascade for the Areas
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// default action for all cases without special treatment:
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unitString = QString::fromLatin1("in^2");
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factor = 645.16;
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}
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else if (unit == Unit::Volume) {
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// TODO Cascade for the Volume
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// default action for all cases without special treatment:
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unitString = QString::fromLatin1("in^3");
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factor = 16387.064;
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}
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else if (unit == Unit::Mass) {
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// TODO Cascade for the wights
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// default action for all cases without special treatment:
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unitString = QString::fromLatin1("lb");
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factor = 0.45359237;
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}
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else if (unit == Unit::Pressure) {
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if (UnitValue < 6894.744) {// psi is the smallest
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unitString = QString::fromLatin1("psi");
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factor = 6.894744825494;
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}
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else { // bigger then 1000 ksi -> psi + scientific notation
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unitString = QString::fromLatin1("psi");
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factor = 6.894744825494;
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}
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}
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else if (unit == Unit::Velocity) {
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unitString = QString::fromLatin1("in/min");
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factor = 25.4/60;
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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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QString UnitsSchemaImperialBuilding::schemaTranslate(const Quantity &quant, double &factor, QString &unitString)
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{
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// this schema expresses distances in feet + inches + fractions
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// ex: 3'- 4 1/4" with proper rounding
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Unit unit = quant.getUnit();
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if (unit == Unit::Length) {
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unitString = QString::fromLatin1("in");
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factor = 25.4;
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// Total number of inches to format
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double totalInches = std::abs(quant.getValue())/factor;
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// minimum denominator (8 for 1/8, 16 for 1/16, etc)
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int minden;
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// Outputs
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int feet; // whole feet
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int inches; // whole inches
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int num,den; // numerator and denominator of fractional val
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std::stringstream output; // output stream
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// Intermediate values
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int ntot; // total fractional units
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int a,b,d; // used to compute greatest common denominator
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int tmp; // temporary variable for GCD
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// Get the current user specified minimum denominator
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minden = Base::QuantityFormat::getDenominator();
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// Compute and round the total number of fractional units
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ntot = (int)std::round(totalInches * (double)minden);
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// If this is zero, nothing to do but return
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if( ntot==0 )
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return QString::fromLatin1("0");
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// Compute the whole number of feet and remaining units
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feet = (int)std::floor(ntot / (12*minden));
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ntot = ntot - 12*minden*feet;
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// Compute the remaining number of whole inches
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inches = (int)std::floor(ntot/minden);
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// Lastly the fractional quantities
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num = ntot - inches*minden;
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den = minden;
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// If numerator is not zero, compute greatest common divisor and reduce
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// fraction
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if( num!=0 )
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{
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// initialize
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a = num;
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b = den;
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while (b != 0)
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{
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tmp = a % b;
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a = b;
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b = tmp;
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}
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d = a;
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num /= d;
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den /= d;
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}
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// Process into string. Start with negative sign if quantity is less
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// than zero
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if( quant.getValue() < 0 )
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output << "-";
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// Print feet if we have any
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if( feet!=0 )
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{
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output << feet << "'";
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// if there is to be trailing numbers, add space
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if( inches!=0 || num!=0 )
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{
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output << " ";
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}
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}
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// Three cases:
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// 1. Whole inches, no fraction
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// 2. Whole inches, fraction
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// 3. Fraction only
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if( inches>0 && num==0 ) // case 1.
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{
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output << inches << "\"";
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}
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else if( inches>0 && num!=0 ) // case 2
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{
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output << inches << "+" << num << "/" << den << "\"";
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}
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else if( inches==0 && num!=0 ) // case 3
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{
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output << num << "/" << den << "\"";
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}
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// Done!
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return QString::fromLatin1(output.str().c_str());
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}
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else if (unit == Unit::Area) {
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unitString = QString::fromLatin1("sqft");
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factor = 92903.04;
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}
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else if (unit == Unit::Volume) {
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unitString = QString::fromLatin1("cuft");
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factor = 28316846.592;
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}
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else if (unit == Unit::Velocity) {
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unitString = QString::fromLatin1("in/min");
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factor = 25.4/60;
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}
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else {
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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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