ref: a2da05c2c539c603aa3587a1acb07bff8cdab599
dir: /src/raster/ftmisc.h/
/***************************************************************************/
/* */
/* ftmisc.h */
/* */
/* Miscellaneous macros for stand-alone rasterizer (specification */
/* only). */
/* */
/* Copyright 2005 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used */
/* modified and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
/***************************************************/
/* */
/* This file is *not* portable! You have to adapt */
/* its definitions to your platform. */
/* */
/***************************************************/
#ifndef __FTMISC_H__
#define __FTMISC_H__
#include <string.h> /* memset */
#define FT_BEGIN_HEADER
#define FT_END_HEADER
#define FT_LOCAL_DEF( x ) static x
/* from include/freetype2/fttypes.h */
typedef unsigned char FT_Byte;
typedef signed int FT_Int;
typedef unsigned int FT_UInt;
typedef signed long FT_Long;
typedef unsigned long FT_ULong;
typedef signed long FT_F26Dot6;
typedef int FT_Error;
#define FT_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
( ( (FT_ULong)_x1 << 24 ) | \
( (FT_ULong)_x2 << 16 ) | \
( (FT_ULong)_x3 << 8 ) | \
(FT_ULong)_x4 )
/* from src/ftcalc.c */
#include <inttypes.h>
typedef int64_t FT_Int64;
static FT_Long
FT_MulDiv( FT_Long a,
FT_Long b,
FT_Long c )
{
FT_Int s;
FT_Long d;
s = 1;
if ( a < 0 ) { a = -a; s = -1; }
if ( b < 0 ) { b = -b; s = -s; }
if ( c < 0 ) { c = -c; s = -s; }
d = (FT_Long)( c > 0 ? ( (FT_Int64)a * b + ( c >> 1 ) ) / c
: 0x7FFFFFFFL );
return ( s > 0 ) ? d : -d;
}
#endif /* __FTMISC_H__ */
/* END */