/* * 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 */ #ifndef EDA_UNITS_H #define EDA_UNITS_H #include #include #include /** * 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 { bool IsImperialUnit( EDA_UNITS aUnit ); bool IsMetricUnit( EDA_UNITS aUnit ); /** * Convert mm to mils. */ int Mm2mils( double aVal ); /** * Convert mils to mm. */ int Mils2mm( double aVal ); /** * Writes any unit info found in the string to aUnits. */ void FetchUnitsFromString( const wxString& aTextValue, EDA_UNITS& aUnits ); /** * Get the units string for a given units type. * * @param aUnits - The units requested. * @param aType - The data type of the unit (e.g. distance, area, etc.) * @return The human readable units string. */ wxString GetAbbreviatedUnitsLabel( EDA_UNITS aUnit, 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. */ std::string FormatAngle( const EDA_ANGLE& aAngle ); /** * Converts \a aValue from internal units to a string appropriate for writing * to file. * * This should only be used for writing to files as it ignores locale * * @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. */ std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, int aValue ); std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, const wxPoint& aPoint ); std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, const wxSize& aSize ); std::string FormatInternalUnits( const EDA_IU_SCALE& aIuScale, const VECTOR2I& aPoint ); 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. */ double ToUserUnit( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnit, double aValue ); /** * Function StringFromValue * returns the string from \a aValue according to units (inch, mm ...) for display, * and the initial unit for value. * * For readability, the mantissa has 3 or more digits (max 8 digits), * the trailing 0 are removed if the mantissa has more than 3 digits * and some trailing 0 * 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 * if displayed in inch to avoid truncation or rounding made just by the printf function. * otherwise the actual value is rounded when read from dialog and converted * in internal units, and therefore modified. * * @param aUnit = display units (INCHES, MILLIMETRE ..) * @param aValue = value in Internal_Unit * @param aAddUnitSymbol = true to add symbol unit to the string value * @return A wxString object containing value and optionally the symbol unit (like 2.000 mm) */ wxString StringFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnit, double aValue, bool aAddUnitSymbol = false, EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE ); /** * Function MessageTextFromValue * is a helper to convert the \a double length \a aValue to a string in inches, * millimeters, or unscaled units. * * 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 be * printed. * * Use StringFromValue() instead where precision matters. * * @param aUnits The units to show the value in. The unit string is added to the * message text. * @param aValue The double value to convert. * @param aAddUnitLabel If true, adds the unit label to the end of the string * @param aType Type of the unit being used (e.g. distance, area, etc.) * @return The converted string for display in user interface elements. */ wxString MessageTextFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits, double aValue, bool aAddUnitLabel = true, EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE ); wxString MessageTextFromValue( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits, int aValue, bool aAddUnitLabel = true, EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE ); 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 ); wxString MessageTextFromValue( EDA_ANGLE aValue, bool aAddUnitLabel = true ); /** * Return in internal units the value "val" given in a real unit * such as "in", "mm" or "deg" */ double FromUserUnit( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnit, double aValue ); /** * Function DoubleValueFromString * converts \a aTextValue to a double * @warning This utilizes the current locale and will break if decimal formats differ * * @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 */ double DoubleValueFromString( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits, const wxString& aTextValue, EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE ); double DoubleValueFromString( const wxString& aTextValue ); /** * 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 * * @param aUnits The units of \a aTextValue. * @param aTextValue A reference to a wxString object containing the string to convert. * @return The string from Value, according to units (inch, mm ...) for display, */ long long int ValueFromString( const EDA_IU_SCALE& aIuScale, EDA_UNITS aUnits, const wxString& aTextValue, EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE ); long long int ValueFromString( const wxString& aTextValue); } } #endif