kicad/include/eda_units.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
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*
* 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
*/
#ifndef EDA_UNITS_H
#define EDA_UNITS_H
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#include <kicommon.h>
#include <wx/string.h>
#include <geometry/eda_angle.h>
#include <base_units.h>
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#include <core/minoptmax.h>
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/**
* The type of unit.
*/
enum class EDA_DATA_TYPE
{
DISTANCE = 0,
AREA = 1,
VOLUME = 2
};
enum class EDA_UNITS
{
INCHES = 0,
MILLIMETRES = 1,
UNSCALED = 2,
DEGREES = 3,
PERCENT = 4,
MILS = 5,
};
namespace EDA_UNIT_UTILS
{
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KICOMMON_API bool IsImperialUnit( EDA_UNITS aUnit );
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KICOMMON_API bool IsMetricUnit( EDA_UNITS aUnit );
/**
* Convert mm to mils.
*/
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KICOMMON_API int Mm2mils( double aVal );
/**
* Convert mils to mm.
*/
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KICOMMON_API int Mils2mm( double aVal );
/**
* Writes any unit info found in the string to aUnits.
* @return true - when unit was found, false - when unit could not be determined
*/
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KICOMMON_API bool FetchUnitsFromString( const wxString& aTextValue, EDA_UNITS& aUnits );
/**
* Get the units string for a given units type.
*
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* This version is for appending to a value string.
*
* @param aUnits The units requested.
* @param aType DISTANCE, AREA, or VOLUME
* @return The human readable units string with appropriate separators.
*/
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KICOMMON_API wxString GetText( EDA_UNITS aUnits, EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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/**
* Get the units string for a given units type.
*
* This version is for setting a wxStaticText label.
*
* @param aUnits The units requested.
* @param aType DISTANCE, AREA, or VOLUME
* @return The human readable units string.
*/
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KICOMMON_API wxString GetLabel( EDA_UNITS aUnits,
EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
/**
* Converts \a aAngle from board units to a string appropriate for writing to file.
*
* This should only be used for writing to files as it ignores locale
*
* @note Internal angles for board items can be either degrees or tenths of degree
* on how KiCad is built.
* @param aAngle A angle value to convert.
* @return std::string object containing the converted angle.
*/
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KICOMMON_API std::string FormatAngle( const EDA_ANGLE& aAngle );
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/**
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* Converts \a aValue from internal units to a string appropriate for writing to file.
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*
* This should only be used for writing to files as it ignores locale
*
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* @note Internal units for board items can be either deci-mils or nanometers depending
* on how KiCad is built.
*
* @param aValue A coordinate value to convert.
* @return A std::string object containing the converted value.
*/
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KICOMMON_API std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, int aValue );
KICOMMON_API std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale,
const VECTOR2I& aPoint );
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#if 0 // No support for std::from_chars on MacOS yet
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/**
* Converts \a aInput string to internal units when reading from a file.
*
* This should only be used for reading from files as it ignores locale
*
* @param aInput is std::string to parse.
* @param aIuScale is the scale to use.
* @param aOut is the output reference.
* @return true if the parsing was successful.
*/
KICOMMON_API bool ParseInternalUnits( const std::string& aInput, const EDA_IU_SCALE& aIuScale,
int& aOut );
/**
* Converts \a aInput string to internal units vector when reading from a file.
*
* This should only be used for reading from files as it ignores locale
*
* @param aInput is std::string to parse.
* @param aIuScale is the scale to use.
* @param aOut is the output reference vector.
* @return true if the parsing was successful.
*/
KICOMMON_API bool ParseInternalUnits( const std::string& aInput, const EDA_IU_SCALE& aIuScale,
VECTOR2I& aOut );
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#endif
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constexpr inline int Mils2IU( const EDA_IU_SCALE& aIuScale, int mils )
{
double x = mils * aIuScale.IU_PER_MILS;
return int( x < 0 ? x - 0.5 : x + 0.5 );
}
namespace UI
{
/**
* Function To_User_Unit
* convert \a aValue in internal units to the appropriate user units defined by \a aUnit.
*
* @return The converted value, in double
* @param aUnit The units to convert \a aValue to.
* @param aValue The value in internal units to convert.
*/
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KICOMMON_API double ToUserUnit( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnit,
double aValue );
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/**
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* Returns the string from \a aValue according to \a aUnits (inch, mm ...) for display.
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*
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* For readability, if the mantissa has 3 or more digits then any trailing 0's are removed.
* This function should be used to display values in dialogs because a value entered in mm
* (for instance 2.0 mm) could need up to 8 digits mantissa to preserve precision.
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*
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* @param aUnits Units (INCHES, MILLIMETRE ..)
* @param aValue Value in internal units
* @param aAddUnitsText Add units text with appropriate separators
* @param aType DISTANCE, AREA, or VOLUME
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* @return A wxString object containing value and optionally the symbol unit (like 2.000 mm)
*/
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KICOMMON_API wxString StringFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
double aValue,
bool aAddUnitsText = false,
EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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/**
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* A helper to convert the \a double length \a aValue to a string in inches, millimeters,
* or unscaled units.
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*
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* Should be used only to display a coordinate in status, but not in dialogs, files, etc.,
* because the mantissa of the number displayed has 4 digits max for readability. The
* actual internal value could need up to 8 digits to preserve precision.
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*
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* @param aUnits Units (INCHES, MILLIMETRE ..)
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* @param aValue The double value to convert.
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* @param aAddUnitsText If true, adds the unit label to the end of the string
* @param aType DISTANCE, AREA, or VOLUME
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* @return The converted string for display in user interface elements.
*/
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KICOMMON_API wxString MessageTextFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
double aValue, bool aAddUnitsText = true,
EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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KICOMMON_API wxString MessageTextFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
int aValue, bool aAddUnitLabel = true,
EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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KICOMMON_API wxString MessageTextFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
long long int aValue, bool aAddUnitLabel = true,
EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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KICOMMON_API wxString MessageTextFromValue( EDA_ANGLE aValue, bool aAddUnitLabel = true );
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KICOMMON_API wxString MessageTextFromMinOptMax( const EDA_IU_SCALE& aIuScale,
EDA_UNITS aUnits,
const MINOPTMAX<int>& aValue );
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/**
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* Return in internal units the value \a aValue given in a real unit such as "in", "mm",
* or "deg"
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*/
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KICOMMON_API double FromUserUnit( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnit,
double aValue );
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/**
* Function DoubleValueFromString
* converts \a aTextValue to a double
* @warning This utilizes the current locale and will break if decimal formats differ
*
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* @param aIuScale The internal units scale for the current frame/app.
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* @param aUnits The units of \a aTextValue.
* @param aTextValue A reference to a wxString object containing the string to convert.
* @return A double representing that value in internal units
*/
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KICOMMON_API double DoubleValueFromString( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
const wxString& aTextValue,
EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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KICOMMON_API double DoubleValueFromString( const wxString& aTextValue );
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/**
* Function ValueFromString
* converts \a aTextValue in \a aUnits to internal units used by the application.
* @warning This utilizes the current locale and will break if decimal formats differ
*
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* @param aIuScale The internal units scale for the current frame/app.
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* @param aUnits The units of \a aTextValue.
* @param aTextValue A reference to a wxString object containing the string to convert.
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* @return A long long int representing that value in internal units
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*/
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KICOMMON_API long long int ValueFromString( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
const wxString& aTextValue,
EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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KICOMMON_API long long int ValueFromString( const wxString& aTextValue );
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}
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}
#endif