223 lines
8.4 KiB
C++
223 lines
8.4 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) 1992-2019 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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/**
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* @author Wayne Stambaugh <stambaughw@verizon.net>
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* @file base_units.h
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* @brief Implementation of conversion functions that require both schematic and board
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* internal units.
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*/
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#ifndef _BASE_UNITS_H_
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#define _BASE_UNITS_H_
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#include <string>
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#include <common.h>
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#include <convert_to_biu.h>
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#include <math/util.h> // for KiROUND
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#include <math/vector2d.h>
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//TODO: Abstract Base Units to a single class
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/**
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* Used for holding indeterminate values, such as with multiple selections
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* holding different values or controls which do not wish to set a value.
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*/
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#define INDETERMINATE wxString( "..." )
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/// Convert mm to mils.
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inline int Mm2mils( double x ) { return KiROUND( x * 1000./25.4 ); }
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/// Convert mils to mm.
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inline int Mils2mm( double x ) { return KiROUND( x * 25.4 / 1000. ); }
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/** Helper function Double2Str to print a float number without
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* using scientific notation and no trailing 0
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* We want to avoid scientific notation in S-expr files (not easy to read)
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* for floating numbers.
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* So we cannot always just use the %g or the %f format to print a fp number
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* this helper function uses the %f format when needed, or %g when %f is
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* not well working and then removes trailing 0
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*/
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std::string Double2Str( double aValue );
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/**
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* Function StripTrailingZeros
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* Remove trailing 0 from a string containing a converted float number.
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* The trailing 0 are removed if the mantissa has more
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* than aTrailingZeroAllowed digits and some trailing 0
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*/
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void StripTrailingZeros( wxString& aStringValue, unsigned aTrailingZeroAllowed = 1 );
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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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* @param aUseMils Indicates mils should be used for imperial units (inches).
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*/
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double To_User_Unit( EDA_UNITS aUnit, double aValue, bool aUseMils = false );
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/**
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* Function AngleToStringDegrees
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* is a helper to convert the \a double \a aAngle (in internal unit)
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* to a string in degrees
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*/
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wxString AngleToStringDegrees( double aAngle );
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/**
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* Function MessageTextFromValue
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* is a helper to convert the \a double length \a aValue to a string in inches,
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* 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,
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* files, etc., because the mantissa of the number displayed has 4 digits max
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* for readability. The actual internal value could need up to 8 digits to be
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* printed.
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*
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* Use StringFromValue() instead where precision matters.
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*
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* @param aUnits The units to show the value in. The unit string is added to the
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* message text.
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* @param aValue The double value to convert.
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* @param aUseMils Convert inch values to mils if true.
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* @param aType Type of the unit being used (e.g. distance, area, etc.)
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* @return The converted string for display in user interface elements.
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*/
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wxString MessageTextFromValue( EDA_UNITS aUnits, double aValue, bool aUseMils = false,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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wxString MessageTextFromValue( EDA_UNITS aUnits, int aValue, bool aUseMils = false,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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wxString MessageTextFromValue( EDA_UNITS aUnits, long long int aValue, bool aUseMils = false,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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/**
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* Function StringFromValue
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* returns the string from \a aValue according to units (inch, mm ...) for display,
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* and the initial unit for value.
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*
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* For readability, the mantissa has 3 or more digits (max 8 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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* @param aUnit = display units (INCHES, MILLIMETRE ..)
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* @param aValue = value in Internal_Unit
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* @param aAddUnitSymbol = true to add symbol unit to the string value
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* @param aUseMils Indicates mils should be used for imperial units (inches).
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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(
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EDA_UNITS aUnit, double aValue, bool aAddUnitSymbol = false, bool aUseMils = false );
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/**
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* Return in internal units the value "val" given in a real unit
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* such as "in", "mm" or "deg"
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*/
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double From_User_Unit( EDA_UNITS aUnit, double aValue, bool aUseMils = false );
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/**
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* Function DoubleValueFromString
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* converts \a aTextValue to a double
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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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* @param aUseMils Indicates mils should be used for imperial units (inches).
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* @return A double representing that value in internal units
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*/
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double DoubleValueFromString( EDA_UNITS aUnits, const wxString& aTextValue, bool aUseMils = false );
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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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*
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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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* @param aUseMils Indicates mils should be used for imperial units (inches).
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* @return The string from Value, according to units (inch, mm ...) for display,
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*/
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long long int ValueFromString(
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EDA_UNITS aUnits, const wxString& aTextValue, bool aUseMils = false );
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/**
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* Function FetchUnitsFromString
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* writes any unit info found in the string to aUnits and aUseMils.
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*/
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void FetchUnitsFromString( const wxString& aTextValue, EDA_UNITS& aUnits, bool& aUseMils );
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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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* @param aUnits - The units requested.
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* @param aUseMils - Use mils for the unit
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* @param aType - The data type of the unit (e.g. distance, area, etc.)
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* @return The human readable units string.
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*/
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wxString GetAbbreviatedUnitsLabel( EDA_UNITS aUnit, bool aUseMils = false,
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EDA_DATA_TYPE aType = EDA_DATA_TYPE::DISTANCE );
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/**
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* Function FormatInternalUnits
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* converts \a aValue from internal units to a string appropriate for writing
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* to file.
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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( int aValue );
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/**
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* Function FormatAngle
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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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* @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 A std::string object containing the converted angle.
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*/
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std::string FormatAngle( double aAngle );
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std::string FormatInternalUnits( const wxPoint& aPoint );
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std::string FormatInternalUnits( const wxSize& aSize );
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std::string FormatInternalUnits( const VECTOR2I& aPoint );
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#endif // _BASE_UNITS_H_
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