402 lines
11 KiB
C++
402 lines
11 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2012 CERN
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* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @author Wayne Stambaugh <stambaughw@gmail.com>
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* @file base_units.cpp
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* @brief Code to handle objects that require both schematic and board internal units.
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* @note This file is an ugly hack to solve the problem of formatting the base units
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* for either schematics or boards in objects that are include in both domains.
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* At some point in the future. This code should be rolled back into the
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* appropriate object and build with the correct internal unit formatting
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* depending on the application.
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*/
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#include <base_units.h>
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#include <fmt/format.h>
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#include <string_utils.h>
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#include <math/util.h> // for KiROUND
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#include <macros.h>
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#if defined( PCBNEW ) || defined( CVPCB ) || defined( EESCHEMA ) || defined( GERBVIEW ) || defined( PL_EDITOR )
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#define IU_TO_MM( x ) ( x / IU_PER_MM )
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#define IU_TO_IN( x ) ( x / IU_PER_MILS / 1000 )
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#define IU_TO_MILS( x ) ( x / IU_PER_MILS )
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#define MM_TO_IU( x ) ( x * IU_PER_MM )
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#define IN_TO_IU( x ) ( x * IU_PER_MILS * 1000 )
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#define MILS_TO_IU( x ) ( x * IU_PER_MILS )
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#else
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#error "Cannot resolve internal units due to no definition of EESCHEMA, CVPCB or PCBNEW."
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#endif
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double To_User_Unit( EDA_UNITS aUnit, double aValue )
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{
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switch( aUnit )
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{
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case EDA_UNITS::MILLIMETRES:
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return IU_TO_MM( aValue );
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case EDA_UNITS::MILS:
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return IU_TO_MILS( aValue );
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case EDA_UNITS::INCHES:
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return IU_TO_IN( aValue );
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case EDA_UNITS::DEGREES:
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return aValue;
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default:
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return aValue;
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}
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}
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/**
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* Convert a value to a string using double notation.
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*
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* For readability, the mantissa has 0, 1, 3 or 4 digits, depending on units
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* for unit = inch the mantissa has 3 digits (Eeschema) or 4 digits
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* for unit = mil the mantissa has 0 digits (Eeschema) or 1 digits
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* for unit = mm the mantissa has 3 digits (Eeschema) or 4 digits
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* Should be used only to display info in status,
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* but not in dialogs, because 4 digits only
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* could truncate the actual value
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*/
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// A lower-precision (for readability) version of StringFromValue()
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wxString MessageTextFromValue( EDA_UNITS aUnits, int aValue, bool aAddUnitLabel,
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EDA_DATA_TYPE aType )
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{
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return MessageTextFromValue( aUnits, double( aValue ), aAddUnitLabel, aType );
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}
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// A lower-precision (for readability) version of StringFromValue()
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wxString MessageTextFromValue( EDA_UNITS aUnits, long long int aValue, bool aAddUnitLabel,
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EDA_DATA_TYPE aType )
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{
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return MessageTextFromValue( aUnits, double( aValue ), aAddUnitLabel, aType );
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}
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wxString MessageTextFromValue( EDA_ANGLE aValue, bool aAddUnitLabel )
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{
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if( aAddUnitLabel )
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return wxString::Format( wxT( "%.1f°" ), aValue.AsDegrees() );
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else
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return wxString::Format( wxT( "%.1f" ), aValue.AsDegrees() );
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}
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// A lower-precision (for readability) version of StringFromValue()
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wxString MessageTextFromValue( EDA_UNITS aUnits, double aValue, bool aAddUnitLabel,
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EDA_DATA_TYPE aType )
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{
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wxString text;
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const wxChar* format;
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double value = aValue;
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switch( aType )
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{
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case EDA_DATA_TYPE::VOLUME:
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value = To_User_Unit( aUnits, value );
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// Fall through to continue computation
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KI_FALLTHROUGH;
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case EDA_DATA_TYPE::AREA:
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value = To_User_Unit( aUnits, value );
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// Fall through to continue computation
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KI_FALLTHROUGH;
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case EDA_DATA_TYPE::DISTANCE:
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value = To_User_Unit( aUnits, value );
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}
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switch( aUnits )
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{
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default:
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case EDA_UNITS::MILLIMETRES:
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#if defined( EESCHEMA )
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format = wxT( "%.2f" );
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#else
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format = wxT( "%.4f" );
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#endif
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break;
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case EDA_UNITS::MILS:
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#if defined( EESCHEMA )
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format = wxT( "%.0f" );
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#else
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format = wxT( "%.2f" );
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#endif
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break;
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case EDA_UNITS::INCHES:
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#if defined( EESCHEMA )
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format = wxT( "%.3f" );
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#else
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format = wxT( "%.4f" );
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#endif
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break;
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case EDA_UNITS::DEGREES:
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// 3 digits in mantissa should be good for rotation in degree
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format = wxT( "%.3f" );
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break;
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case EDA_UNITS::UNSCALED:
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format = wxT( "%.0f" );
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break;
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}
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text.Printf( format, value );
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if( aAddUnitLabel )
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text += EDA_UNIT_UTILS::GetAbbreviatedUnitsLabel( aUnits, aType );
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return text;
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}
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/**
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* Convert a value to a string using double notation.
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*
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* For readability, the mantissa has 3 or more digits,
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* the trailing 0 are removed if the mantissa has more than 3 digits
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* and some trailing 0
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* This function should be used to display values in dialogs because a value
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* entered in mm (for instance 2.0 mm) could need up to 8 digits mantissa
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* if displayed in inch to avoid truncation or rounding made just by the printf function.
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* otherwise the actual value is rounded when read from dialog and converted
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* in internal units, and therefore modified.
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*/
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wxString StringFromValue( EDA_UNITS aUnits, double aValue, bool aAddUnitSymbol,
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EDA_DATA_TYPE aType )
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{
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double value_to_print = aValue;
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switch( aType )
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{
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case EDA_DATA_TYPE::VOLUME:
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value_to_print = To_User_Unit( aUnits, value_to_print );
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KI_FALLTHROUGH;
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case EDA_DATA_TYPE::AREA:
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value_to_print = To_User_Unit( aUnits, value_to_print );
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KI_FALLTHROUGH;
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case EDA_DATA_TYPE::DISTANCE:
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value_to_print = To_User_Unit( aUnits, value_to_print );
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}
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std::string buf;
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if( value_to_print != 0.0 && fabs( value_to_print ) <= 0.0001 )
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{
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buf = fmt::format( "{:.16f}", value_to_print );
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// remove trailing zeros
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while( !buf.empty() && buf[buf.size() - 1] == '0' )
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{
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buf.pop_back();
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}
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}
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else
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{
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buf = fmt::format( "{:.10g}", value_to_print );
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}
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wxString stringValue( buf );
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if( aAddUnitSymbol )
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stringValue += EDA_UNIT_UTILS::GetAbbreviatedUnitsLabel( aUnits, aType );
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return stringValue;
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}
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double From_User_Unit( EDA_UNITS aUnits, double aValue )
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{
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switch( aUnits )
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{
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case EDA_UNITS::MILLIMETRES:
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return MM_TO_IU( aValue );
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case EDA_UNITS::MILS:
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return MILS_TO_IU( aValue );
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case EDA_UNITS::INCHES:
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return IN_TO_IU( aValue );
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default:
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case EDA_UNITS::DEGREES:
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case EDA_UNITS::UNSCALED:
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case EDA_UNITS::PERCENT:
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return aValue;
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}
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}
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double DoubleValueFromString( EDA_UNITS aUnits, const wxString& aTextValue, EDA_DATA_TYPE aType )
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{
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double dtmp = 0;
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// Acquire the 'right' decimal point separator
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const struct lconv* lc = localeconv();
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wxChar decimal_point = lc->decimal_point[0];
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wxString buf( aTextValue.Strip( wxString::both ) );
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// Convert any entered decimal point separators to the 'right' one
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buf.Replace( wxT( "." ), wxString( decimal_point, 1 ) );
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buf.Replace( wxT( "," ), wxString( decimal_point, 1 ) );
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// Find the end of the numeric part
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unsigned brk_point = 0;
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while( brk_point < buf.Len() )
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{
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wxChar ch = buf[brk_point];
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if( !( (ch >= '0' && ch <= '9') || (ch == decimal_point) || (ch == '-') || (ch == '+') ) )
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break;
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++brk_point;
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}
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// Extract the numeric part
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buf.Left( brk_point ).ToDouble( &dtmp );
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// Check the optional unit designator (2 ch significant)
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wxString unit( buf.Mid( brk_point ).Strip( wxString::leading ).Left( 2 ).Lower() );
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if( aUnits == EDA_UNITS::MILLIMETRES || aUnits == EDA_UNITS::MILS
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|| aUnits == EDA_UNITS::INCHES )
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{
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if( unit == wxT( "mm" ) )
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{
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aUnits = EDA_UNITS::MILLIMETRES;
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}
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else if( unit == wxT( "mi" ) || unit == wxT( "th" ) )
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{
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aUnits = EDA_UNITS::MILS;
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}
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else if( unit == wxT( "in" ) || unit == wxT( "\"" ) )
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{
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aUnits = EDA_UNITS::INCHES;
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}
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else if( unit == "oz" ) // 1 oz = 1.37 mils
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{
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aUnits = EDA_UNITS::MILS;
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dtmp *= 1.37;
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}
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}
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else if( aUnits == EDA_UNITS::DEGREES )
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{
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if( unit == wxT( "ra" ) ) // Radians
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dtmp *= 180.0f / M_PI;
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}
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switch( aType )
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{
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case EDA_DATA_TYPE::VOLUME:
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dtmp = From_User_Unit( aUnits, dtmp );
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KI_FALLTHROUGH;
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case EDA_DATA_TYPE::AREA:
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dtmp = From_User_Unit( aUnits, dtmp );
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KI_FALLTHROUGH;
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case EDA_DATA_TYPE::DISTANCE:
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dtmp = From_User_Unit( aUnits, dtmp );
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}
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return dtmp;
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}
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long long int ValueFromString( EDA_UNITS aUnits, const wxString& aTextValue, EDA_DATA_TYPE aType )
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{
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double value = DoubleValueFromString( aUnits, aTextValue, aType );
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return KiROUND<double, long long int>( value );
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}
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std::string FormatInternalUnits( int aValue )
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{
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char buf[50];
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double engUnits = aValue;
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int len;
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engUnits /= IU_PER_MM;
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if( engUnits != 0.0 && fabs( engUnits ) <= 0.0001 )
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{
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len = snprintf( buf, sizeof(buf), "%.10f", engUnits );
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// Make sure snprintf() didn't fail and the locale numeric separator is correct.
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wxCHECK( len >= 0 && len < 50 && strchr( buf, ',' ) == nullptr, std::string( "" ) );
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while( --len > 0 && buf[len] == '0' )
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buf[len] = '\0';
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if( buf[len] == '.' )
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buf[len] = '\0';
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else
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++len;
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}
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else
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{
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len = snprintf( buf, sizeof(buf), "%.10g", engUnits );
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// Make sure snprintf() didn't fail and the locale numeric separator is correct.
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wxCHECK( len >= 0 && len < 50 && strchr( buf, ',' ) == nullptr , std::string( "" ) );
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}
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return std::string( buf, len );
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}
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std::string FormatInternalUnits( const wxPoint& aPoint )
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{
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return FormatInternalUnits( aPoint.x ) + " " + FormatInternalUnits( aPoint.y );
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}
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std::string FormatInternalUnits( const VECTOR2I& aPoint )
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{
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return FormatInternalUnits( aPoint.x ) + " " + FormatInternalUnits( aPoint.y );
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}
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std::string FormatInternalUnits( const wxSize& aSize )
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{
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return FormatInternalUnits( aSize.GetWidth() ) + " " + FormatInternalUnits( aSize.GetHeight() );
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}
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