59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
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/**
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* @file lengthpcb.h
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* @brief Length definitions for PCBNEW.
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*/
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#ifndef LENGTHPCB_H_INCLUDED
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#define LENGTHPCB_H_INCLUDED 1
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#ifdef KICAD_NANOMETRE
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#include "length.h"
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/* switched type! */
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typedef LENGTH< LIMITED_INT< int >, 1 > LENGTH_PCB;
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typedef LENGTH< double, 1 > LENGTH_PCB_DBL;
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/* Transition macros. they are used for unit conversion between
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* nanometre scale and old (0.1 mil) scale */
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#define PCB_LEGACY_INCH_SCALE 10000
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#define PCB_LEGACY_UNIT( T ) ( LENGTH_UNITS< T >::inch() / PCB_LEGACY_INCH_SCALE )
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#define TO_LEGACY_LU( x ) \
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( LENGTH_PCB( x ) / PCB_LEGACY_UNIT( LENGTH_PCB ) )
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#define TO_LEGACY_LU_DBL( x ) \
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( LENGTH_PCB_DBL( x ) / PCB_LEGACY_UNIT( LENGTH_PCB_DBL ) )
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static LENGTH_PCB from_legacy_lu( int x ) {
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return x * PCB_LEGACY_UNIT( LENGTH_PCB );
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}
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static LENGTH_PCB from_legacy_lu( double x ) {
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return LENGTH_PCB( x * PCB_LEGACY_UNIT( LENGTH_PCB_DBL ) );
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}
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static LENGTH_PCB_DBL from_legacy_lu_dbl( double x ) {
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return x * LENGTH_UNITS< LENGTH_PCB_DBL >::inch() / PCB_LEGACY_INCH_SCALE;
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}
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#define FROM_LEGACY_LU( x ) ( from_legacy_lu( x ) )
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#define FROM_LEGACY_LU_DBL( x ) ( from_legacy_lu_dbl( x ) )
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#else
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typedef int LENGTH_PCB;
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typedef double LENGTH_PCB_DBL;
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/* transition macro stubs */
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#define TO_LEGACY_LU( x ) ( x )
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#define TO_LEGACY_LU_DBL( x ) ( double( x ) )
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#define FROM_LEGACY_LU( x ) ( x )
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#define FROM_LEGACY_LU_DBL( x ) ( double( x ) )
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#endif
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#endif /* def LENGTHPCB_H_INCLUDED */
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