kicad/common/eda_units.cpp

136 lines
3.7 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <eda_units.h>
#include <math/util.h> // for KiROUND
#include <macros.h>
bool EDA_UNIT_UTILS::IsImperialUnit( EDA_UNITS aUnit )
{
switch( aUnit )
{
case EDA_UNITS::INCHES:
case EDA_UNITS::MILS:
return true;
default:
return false;
}
return false;
}
bool EDA_UNIT_UTILS::IsMetricUnit( EDA_UNITS aUnit )
{
switch( aUnit )
{
case EDA_UNITS::MILLIMETRES:
return true;
default:
return false;
}
return false;
}
int EDA_UNIT_UTILS::Mm2mils( double aVal )
{
return KiROUND( aVal * 1000. / 25.4 );
}
int EDA_UNIT_UTILS::Mils2mm( double aVal )
{
return KiROUND( aVal * 25.4 / 1000. );
}
void EDA_UNIT_UTILS::FetchUnitsFromString( const wxString& aTextValue, EDA_UNITS& aUnits )
{
wxString buf( aTextValue.Strip( wxString::both ) );
unsigned brk_point = 0;
while( brk_point < buf.Len() )
{
wxChar c = buf[brk_point];
if( !( ( c >= '0' && c <= '9' ) || ( c == '.' ) || ( c == ',' ) || ( c == '-' )
|| ( c == '+' ) ) )
break;
++brk_point;
}
// Check the unit designator (2 ch significant)
wxString unit( buf.Mid( brk_point ).Strip( wxString::leading ).Left( 2 ).Lower() );
if( unit == wxT( "mm" ) )
aUnits = EDA_UNITS::MILLIMETRES;
else if( unit == wxT( "mi" ) || unit == wxT( "th" ) ) // "mils" or "thou"
aUnits = EDA_UNITS::MILS;
else if( unit == wxT( "in" ) || unit == wxT( "\"" ) )
aUnits = EDA_UNITS::INCHES;
else if( unit == wxT( "de" ) || unit == wxT( "ra" ) ) // "deg" or "rad"
aUnits = EDA_UNITS::DEGREES;
}
wxString EDA_UNIT_UTILS::GetAbbreviatedUnitsLabel( EDA_UNITS aUnits, EDA_DATA_TYPE aType )
{
wxString label;
switch( aUnits )
{
case EDA_UNITS::MILLIMETRES: label = wxT( " mm" ); break;
case EDA_UNITS::DEGREES: label = wxT( "°" ); break;
case EDA_UNITS::MILS: label = wxT( " mils" ); break;
case EDA_UNITS::INCHES: label = wxT( " in" ); break;
case EDA_UNITS::PERCENT: label = wxT( "%" ); break;
case EDA_UNITS::UNSCALED: break;
default: UNIMPLEMENTED_FOR( "Unknown units" ); break;
}
switch( aType )
{
case EDA_DATA_TYPE::VOLUME: label += wxT( "³" ); break;
case EDA_DATA_TYPE::AREA: label += wxT( "²" ); break;
case EDA_DATA_TYPE::DISTANCE: break;
default: UNIMPLEMENTED_FOR( "Unknown measurement" ); break;
}
return label;
}
std::string EDA_UNIT_UTILS::FormatAngle( const EDA_ANGLE& aAngle )
{
char temp[50];
int len;
len = snprintf( temp, sizeof( temp ), "%.10g", aAngle.AsDegrees() );
return std::string( temp, len );
}