228 lines
9.0 KiB
C++
228 lines
9.0 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) 1992-2022 KiCad Developers, see AUTHORS.txt for contributors.
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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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#ifndef EDA_UNITS_H
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#define EDA_UNITS_H
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#include <wx/string.h>
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#include <geometry/eda_angle.h>
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#include <base_units.h>
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/**
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* The type of unit.
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*/
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enum class EDA_DATA_TYPE
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{
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DISTANCE = 0,
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AREA = 1,
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VOLUME = 2
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};
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enum class EDA_UNITS
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{
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INCHES = 0,
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MILLIMETRES = 1,
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UNSCALED = 2,
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DEGREES = 3,
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PERCENT = 4,
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MILS = 5,
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};
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namespace EDA_UNIT_UTILS
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{
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bool IsImperialUnit( EDA_UNITS aUnit );
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bool IsMetricUnit( EDA_UNITS aUnit );
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/**
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* Convert mm to mils.
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*/
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int Mm2mils( double aVal );
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/**
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* Convert mils to mm.
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*/
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int Mils2mm( double aVal );
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/**
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* Writes any unit info found in the string to aUnits.
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* @return true - when unit was found, false - when unit could not be determined
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*/
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bool FetchUnitsFromString( const wxString& aTextValue, EDA_UNITS& aUnits );
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/**
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* Get the units string for a given units type.
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*
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* This version is for appending to a value string.
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*
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* @param aUnits The units requested.
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* @param aType DISTANCE, AREA, or VOLUME
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* @return The human readable units string with appropriate separators.
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*/
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wxString GetText( EDA_UNITS aUnits, EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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/**
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* Get the units string for a given units type.
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*
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* This version is for setting a wxStaticText label.
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*
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* @param aUnits The units requested.
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* @param aType DISTANCE, AREA, or VOLUME
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* @return The human readable units string.
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*/
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wxString GetLabel( EDA_UNITS aUnits, EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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/**
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* Converts \a aAngle from board units to a string appropriate for writing to file.
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*
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* This should only be used for writing to files as it ignores locale
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*
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* @note Internal angles for board items can be either degrees or tenths of degree
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* on how KiCad is built.
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* @param aAngle A angle value to convert.
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* @return std::string object containing the converted angle.
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*/
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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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*
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* This should only be used for writing to files as it ignores locale
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*
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* @note Internal units for board items can be either deci-mils or nanometers depending
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* on how KiCad is built.
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*
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* @param aValue A coordinate value to convert.
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* @return A std::string object containing the converted value.
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*/
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std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, int aValue );
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std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, const wxPoint& aPoint );
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std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, const wxSize& aSize );
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std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, const VECTOR2I& aPoint );
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constexpr inline int Mils2IU( const EDA_IU_SCALE& aIuScale, int mils )
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{
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double x = mils * aIuScale.IU_PER_MILS;
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return int( x < 0 ? x - 0.5 : x + 0.5 );
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}
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namespace UI
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{
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/**
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* Function To_User_Unit
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* convert \a aValue in internal units to the appropriate user units defined by \a aUnit.
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*
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* @return The converted value, in double
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* @param aUnit The units to convert \a aValue to.
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* @param aValue The value in internal units to convert.
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*/
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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.
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* This function should be used to display values in dialogs because a value entered in mm
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* (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 ..)
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* @param aValue Value in internal units
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* @param aAddUnitsText Add units text with appropriate separators
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* @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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*/
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wxString StringFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits, double aValue,
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bool aAddUnitsText = false,
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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,
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* 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.,
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* because the mantissa of the number displayed has 4 digits max for readability. The
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* 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
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* @param aType DISTANCE, AREA, or VOLUME
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* @return The converted string for display in user interface elements.
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*/
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wxString MessageTextFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
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double aValue, bool aAddUnitsText = true,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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wxString MessageTextFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
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int aValue, bool aAddUnitLabel = true,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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wxString MessageTextFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
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long long int aValue, bool aAddUnitLabel = true,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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wxString MessageTextFromValue( EDA_ANGLE aValue, bool aAddUnitLabel = true );
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/**
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* Return in internal units the value "val" given in a real unit such as "in", "mm" or "deg"
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*/
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double FromUserUnit( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnit, double aValue );
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/**
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* Function DoubleValueFromString
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* converts \a aTextValue to a double
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* @warning This utilizes the current locale and will break if decimal formats differ
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*
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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.
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* @param aTextValue A reference to a wxString object containing the string to convert.
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* @return A double representing that value in internal units
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*/
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double DoubleValueFromString( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
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const wxString& aTextValue,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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double DoubleValueFromString( const wxString& aTextValue );
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/**
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* Function ValueFromString
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* converts \a aTextValue in \a aUnits to internal units used by the application.
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* @warning This utilizes the current locale and will break if decimal formats differ
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*
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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.
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* @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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long long int ValueFromString( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits,
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const wxString& aTextValue,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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long long int ValueFromString( const wxString& aTextValue);
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}
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}
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#endif |