400 lines
14 KiB
C++
400 lines
14 KiB
C++
/***************************************************************************
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* Copyright (c) 2009 Jürgen 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 <cmath>
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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 "UnitsSchemaImperial1.h"
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using namespace Base;
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std::string UnitsSchemaImperial1::schemaTranslate(const Quantity& quant,
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double& factor,
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std::string& 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 = "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 = "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 = "\"";
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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 = "\'";
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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 = "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 = "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 = "in";
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factor = 25.4;
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}
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}
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else if (unit == Unit::Angle) {
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unitString = "\xC2\xB0";
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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 = "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 = "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 weights
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// default action for all cases without special treatment:
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unitString = "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 = "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 = "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 = "psi";
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factor = 6.894744825494;
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}
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}
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else if (unit == Unit::Stiffness) { // Conversion to lbf/in
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unitString = "lbf/in";
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factor = 4.448222 / 0.0254;
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}
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else if (unit == Unit::Velocity) {
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unitString = "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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std::string UnitsSchemaImperialDecimal::schemaTranslate(const Base::Quantity& quant,
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double& factor,
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std::string& unitString)
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{
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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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unitString = "in";
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factor = 25.4;
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}
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else if (unit == Unit::Angle) {
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unitString = "\xC2\xB0";
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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 = "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 = "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 weights
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// default action for all cases without special treatment:
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unitString = "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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unitString = "psi";
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factor = 6.894744825494;
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}
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else if (unit == Unit::Stiffness) {
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unitString = "lbf/in";
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factor = 4.448222 / 0.0254;
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}
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else if (unit == Unit::Velocity) {
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unitString = "in/min";
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factor = 25.4 / 60;
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}
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else if (unit == Unit::Acceleration) {
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unitString = "in/min^2";
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factor = 25.4 / 3600;
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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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std::string UnitsSchemaImperialBuilding::schemaTranslate(const Quantity& quant,
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double& factor,
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std::string& 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 = "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 = quant.getFormat().getDenominator();
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// Compute and round the total number of fractional units
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ntot = static_cast<int>(std::round(totalInches * static_cast<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 "0";
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}
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// Compute the whole number of feet and remaining units
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feet = static_cast<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 = static_cast<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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// initialize
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a = num;
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b = den;
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while (b != 0) {
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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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char plusOrMinus {};
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if (quant.getValue() < 0) {
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output << "-";
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plusOrMinus = '-';
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}
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else {
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plusOrMinus = '+';
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}
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bool trailingNumber = false;
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// Print feet if we have any
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if (feet != 0) {
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output << feet << "'";
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trailingNumber = true;
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}
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// Print whole inches if we have any
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if (inches != 0) {
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if (trailingNumber) {
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output << " ";
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}
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output << inches << "\"";
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trailingNumber = true;
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}
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// Print fractional inches if we have any
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if (num != 0) {
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if (trailingNumber) {
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output << " " << plusOrMinus << " ";
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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 output.str();
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}
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else if (unit == Unit::Angle) {
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unitString = "\xC2\xB0";
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factor = 1.0;
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}
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else if (unit == Unit::Area) {
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unitString = "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 = "cft";
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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 = "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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std::string UnitsSchemaImperialCivil::schemaTranslate(const Base::Quantity& quant,
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double& factor,
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std::string& unitString)
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{
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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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unitString = "ft"; // always ft
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factor = 304.8; // 12 * 25.4
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}
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else if (unit == Unit::Area) {
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unitString = "ft^2"; // always sq.ft
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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 = "ft^3"; // always cu. ft
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factor = 28316846.592;
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}
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else if (unit == Unit::Mass) {
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unitString = "lb"; // always lbs.
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factor = 0.45359237;
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}
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else if (unit == Unit::Pressure) {
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unitString = "psi";
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factor = 6.894744825494;
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}
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else if (unit == Unit::Stiffness) {
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unitString = "lbf/in";
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factor = 4.448222 / 0.0254;
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}
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else if (unit == Unit::Velocity) {
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unitString = "mph";
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factor = 447.04; // 1mm/sec => mph
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}
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// this schema expresses angles in degrees + minutes + seconds
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else if (unit == Unit::Angle) {
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unitString = "deg";
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std::string degreeString = "\xC2\xB0"; // degree symbol
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std::string minuteString = "\xE2\x80\xB2"; // prime symbol
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std::string secondString = "\xE2\x80\xB3"; // double prime symbol
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factor = 1.0; // 1deg = 1"\xC2\xB0 "
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double totalDegrees = quant.getValue() / factor;
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double wholeDegrees = std::floor(totalDegrees);
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double sumMinutes = totalDegrees * 60.0; // quant as minutes
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double rawMinutes = sumMinutes - wholeDegrees * 60.0;
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double wholeMinutes = std::floor(rawMinutes);
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double sumSeconds = totalDegrees * 3600.0; // quant as seconds
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double rawSeconds = sumSeconds - (wholeDegrees * 3600.0) - (wholeMinutes * 60);
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int outDeg = static_cast<int>(wholeDegrees);
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int outMin = static_cast<int>(wholeMinutes);
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int outSec = static_cast<int>(std::round(rawSeconds));
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std::stringstream output;
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output << outDeg << degreeString;
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if ((outMin > 0) || (outSec > 0)) {
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output << outMin << minuteString;
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}
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if (outSec > 0) {
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output << outSec << secondString;
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}
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// uncomment this for decimals on seconds
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// if (remainSeconds < (1.0 * pow(10.0,-Base::UnitsApi::getDecimals())) ) {
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// //NOP too small to display
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// } else {
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// output << std::setprecision(Base::UnitsApi::getDecimals()) << std::fixed <<
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// rawSeconds << secondString.toStdString();
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// }
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return output.str();
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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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