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Viewing changes to tests/freetype/src/raster/ftmisc.h

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2013-05-02 13:11:51 UTC
  • Revision ID: package-import@ubuntu.com-20130502131151-q8dvteqr1ef2x7xz
Tags: upstream-1.4.1~20130504~adb56cb
Import upstream version 1.4.1~20130504~adb56cb

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tests/freetype/src/raster/ftmisc.h
 
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/***************************************************************************/
 
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/*                                                                         */
 
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/*  ftmisc.h                                                               */
 
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/*                                                                         */
 
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/*    Miscellaneous macros for stand-alone rasterizer (specification       */
 
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/*    only).                                                               */
 
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/*                                                                         */
 
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/*  Copyright 2005, 2009, 2010 by                                          */
 
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/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 
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/*                                                                         */
 
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/*  This file is part of the FreeType project, and may only be used        */
 
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/*  modified and distributed under the terms of the FreeType project       */
 
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/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
 
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/*  this file you indicate that you have read the license and              */
 
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/*  understand and accept it fully.                                        */
 
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/*                                                                         */
 
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/***************************************************************************/
 
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  /***************************************************/
 
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  /*                                                 */
 
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  /* This file is *not* portable!  You have to adapt */
 
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  /* its definitions to your platform.               */
 
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  /*                                                 */
 
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  /***************************************************/
 
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#ifndef __FTMISC_H__
 
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#define __FTMISC_H__
 
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  /* memset */
 
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#include FT_CONFIG_STANDARD_LIBRARY_H
 
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#define FT_BEGIN_HEADER
 
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#define FT_END_HEADER
 
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#define FT_LOCAL_DEF( x )   static x
 
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  /* from include/freetype2/fttypes.h */
 
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  typedef unsigned char  FT_Byte;
 
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  typedef signed int     FT_Int;
 
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  typedef unsigned int   FT_UInt;
 
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  typedef signed long    FT_Long;
 
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  typedef unsigned long  FT_ULong;
 
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  typedef signed long    FT_F26Dot6;
 
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  typedef int            FT_Error;
 
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#define FT_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
 
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          ( ( (FT_ULong)_x1 << 24 ) |     \
 
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            ( (FT_ULong)_x2 << 16 ) |     \
 
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            ( (FT_ULong)_x3 <<  8 ) |     \
 
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              (FT_ULong)_x4         )
 
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  /* from include/freetype2/ftsystem.h */
 
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  typedef struct FT_MemoryRec_*  FT_Memory;
 
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  typedef void* (*FT_Alloc_Func)( FT_Memory  memory,
 
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                                  long       size );
 
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  typedef void (*FT_Free_Func)( FT_Memory  memory,
 
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                                void*      block );
 
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  typedef void* (*FT_Realloc_Func)( FT_Memory  memory,
 
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                                    long       cur_size,
 
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                                    long       new_size,
 
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                                    void*      block );
 
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  typedef struct FT_MemoryRec_
 
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  {
 
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    void*            user;
 
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    FT_Alloc_Func    alloc;
 
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    FT_Free_Func     free;
 
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    FT_Realloc_Func  realloc;
 
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  } FT_MemoryRec;
 
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  /* from src/ftcalc.c */
 
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#if ( defined _WIN32 || defined _WIN64 )
 
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  typedef __int64  FT_Int64;
 
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#else
 
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#include "inttypes.h"
 
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  typedef int64_t  FT_Int64;
 
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#endif
 
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  static FT_Long
 
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  FT_MulDiv( FT_Long  a,
 
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             FT_Long  b,
 
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             FT_Long  c )
 
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  {
 
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    FT_Int   s;
 
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    FT_Long  d;
 
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    s = 1;
 
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    if ( a < 0 ) { a = -a; s = -1; }
 
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    if ( b < 0 ) { b = -b; s = -s; }
 
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    if ( c < 0 ) { c = -c; s = -s; }
 
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    d = (FT_Long)( c > 0 ? ( (FT_Int64)a * b + ( c >> 1 ) ) / c
 
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                         : 0x7FFFFFFFL );
 
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    return ( s > 0 ) ? d : -d;
 
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  }
 
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#endif /* __FTMISC_H__ */
 
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/* END */