108 lines
4.6 KiB
C++
108 lines
4.6 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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#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 "Exception.h"
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#include "UnitsApi.h"
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#include "UnitsSchemaInternal.h"
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#include <cmath>
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using namespace Base;
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QString UnitsSchemaInternal::schemaTranslate(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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// now do special treatment on all cases seams nececarry:
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if(unit == Unit::Length){ // Length handling ============================
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if(UnitValue < 0.000000001){// smaller then 0.001 nm -> scientific notation
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unitString = QString::fromLatin1("mm");
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factor = 1.0;
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}else if(UnitValue < 0.001){
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unitString = QString::fromLatin1("nm");
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factor = 0.000001;
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}else if(UnitValue < 0.1){
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unitString = QString::fromUtf8("\xC2\xB5m");
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factor = 0.001;
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}else if(UnitValue < 10000.0){
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unitString = QString::fromLatin1("mm");
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factor = 1.0;
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}else if(UnitValue < 10000000.0){
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unitString = QString::fromLatin1("m");
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factor = 1000.0;
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}else if(UnitValue < 100000000000.0 ){
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unitString = QString::fromLatin1("km");
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factor = 1000000.0;
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}else{ // bigger then 1000 km -> scientific notation
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unitString = QString::fromLatin1("mm");
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factor = 1.0;
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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 = quant.getUnit().getString();
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factor = 1.0;
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}else if (unit == Unit::Angle){
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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::fromUtf8("\xC2\xB0");
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factor = 1.0;
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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 = quant.getUnit().getString();
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factor = 1.0;
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}else if (unit == Unit::Pressure){
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if(UnitValue < 10.0){// Pa is the smallest
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unitString = QString::fromLatin1("Pa");
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factor = 0.001;
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}else if(UnitValue < 10000.0){
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unitString = QString::fromLatin1("kPa");
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factor = 1.0;
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}else if(UnitValue < 10000000.0){
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unitString = QString::fromLatin1("MPa");
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factor = 1000.0;
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}else if(UnitValue < 10000000000.0){
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unitString = QString::fromLatin1("GPa");
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factor = 1000000.0;
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}else{ // bigger -> scientific notation
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unitString = QString::fromLatin1("Pa");
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factor = 1.0;
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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 QString::fromUtf8("%L1 %2").arg(quant.getValue() / factor).arg(unitString);
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}
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