kicad/include/macros.h

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/**
* @file macros.h
* @brief This file contains miscellaneous helper definitions and functions.
*/
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#ifndef MACROS_H
#define MACROS_H
#include <wx/wx.h>
/**
* Macro TO_UTF8
* converts a wxString to a UTF8 encoded C string for all wxWidgets build modes.
* wxstring is a wxString, not a wxT() or _(). The scope of the return value
* is very limited and volatile, but can be used with printf() style functions well.
*/
#define TO_UTF8( wxstring ) ( (const char*) (wxstring).utf8_str() )
/**
* Macro FROM_UTF8
* converts a UTF8 encoded C string to a wxString for all wxWidgets build modes.
*/
//#define FROM_UTF8( cstring ) wxString::FromUTF8( cstring )
static inline wxString FROM_UTF8( const char* cstring )
{
wxString line = wxString::FromUTF8( cstring );
if( line.IsEmpty() ) // happens when cstring is not a valid UTF8 sequence
line = wxConvCurrent->cMB2WC( cstring ); // try to use locale conversion
return line;
}
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/**
* Function GetChars
* returns a wxChar* to the actual character data within a wxString, and is
* helpful for passing strings to wxString::Printf(wxT("%s"), GetChars(wxString) )
* <p>
* wxChar is defined to be
* <ul>
* <li> standard C style char when wxUSE_UNICODE==0 </li>
* <li> wchar_t when wxUSE_UNICODE==1 (the default). </li>
* </ul>
* i.e. it depends on how the wxWidgets library was compiled. There was a period
* during the development of wxWidgets 2.9 when GetData() was missing, so this
* function was used to provide insulation from that design change. It may
* no longer be needed, and is harmless. GetData() seems to be an acceptable
* alternative in all cases now.
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*/
static inline const wxChar* GetChars( const wxString& s )
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{
#if wxCHECK_VERSION( 2, 9, 0 )
return (const wxChar*) s.c_str();
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#else
return s.GetData();
#endif
}
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#ifndef MIN
#define MIN( x, y ) ( (x) > (y) ? (y) : (x) )
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#endif
#ifndef MAX
#define MAX( x, y ) ( (x) > (y) ? (x) : (y) )
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#endif
#ifndef ABS
#define ABS( y ) ( (y) >= 0 ? (y) : ( -(y) ) )
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#endif
#define NEGATE( x ) (x = -x)
/// # of elements in an array
#define DIM( x ) unsigned( sizeof(x) / sizeof( (x)[0] ) ) // not size_t
#define DEG2RAD( Deg ) ( (Deg) * M_PI / 180.0 )
#define RAD2DEG( Rad ) ( (Rad) * 180.0 / M_PI )
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// Normalize angle to be in the -360.0 .. 360.0:
#define NORMALIZE_ANGLE_360( Angle ) { \
while( Angle < -3600 ) \
Angle += 3600; \
while( Angle > 3600 ) \
Angle -= 3600; }
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/* Normalize angle to be in the 0.0 .. 360.0 range: */
#define NORMALIZE_ANGLE_POS( Angle ) { \
while( Angle < 0 ) \
Angle += 3600; \
while( Angle >= 3600 ) \
Angle -= 3600; }
#define NEGATE_AND_NORMALIZE_ANGLE_POS( Angle ) { \
Angle = -Angle; \
while( Angle < 0 ) \
Angle += 3600; \
while( Angle >= 3600 ) \
Angle -= 3600; }
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/* Normalize angle to be in the -90.0 .. 90.0 range */
#define NORMALIZE_ANGLE_90( Angle ) { \
while( Angle < -900 ) \
Angle += 1800; \
while( Angle > 900 ) \
Angle -= 1800; }
/* Normalize angle to be in the -180.0 .. 180.0 range */
#define NORMALIZE_ANGLE_180( Angle ) { \
while( Angle <= -1800 ) \
Angle += 3600; \
while( Angle > 1800 ) \
Angle -= 3600; }
/*****************************/
/* macro to exchange 2 items */
/*****************************/
/*
* The EXCHG macro uses BOOST_TYPEOF for compilers that do not have native
* typeof support (MSVC). Please do not attempt to qualify these macros
* within #ifdef compiler definitions pragmas. BOOST_TYPEOF is smart enough
* to check for native typeof support and use it instead of it's own
* implementation. These macros effectively compile to nothing on platforms
* with native typeof support.
*/
#include <boost/typeof/typeof.hpp>
// we have to register the types used with the typeof keyword with boost
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BOOST_TYPEOF_REGISTER_TYPE( wxPoint )
BOOST_TYPEOF_REGISTER_TYPE( wxSize )
BOOST_TYPEOF_REGISTER_TYPE( wxString )
class DrawSheetLabelStruct;
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BOOST_TYPEOF_REGISTER_TYPE( DrawSheetLabelStruct* )
class EDA_ITEM;
BOOST_TYPEOF_REGISTER_TYPE( EDA_ITEM* )
class D_PAD;
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BOOST_TYPEOF_REGISTER_TYPE( D_PAD* )
BOOST_TYPEOF_REGISTER_TYPE( const D_PAD* )
class BOARD_ITEM;
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BOOST_TYPEOF_REGISTER_TYPE( BOARD_ITEM* )
#define EXCHG( a, b ) { BOOST_TYPEOF( a ) __temp__ = (a); \
(a) = (b); \
(b) = __temp__; }
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#endif /* ifdef MACRO_H */