kc3-lang/freetype/src/raster/ftmisc.h

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  Date : 2025-09-06T06:14:03
  

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• src/raster/ftmisc.h

• /****************************************************************************
   *
   * ftmisc.h
   *
   *   Miscellaneous macros for stand-alone rasterizer (specification
   *   only).
   *
   * Copyright (C) 2005-2025 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_
  
  
    /* memset */
  #include FT_CONFIG_STANDARD_LIBRARY_H
  
  #define FT_BEGIN_HEADER
  #define FT_END_HEADER
  
  #define FT_LOCAL_DEF( x )   static x
  
  
    /* from include/freetype/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_STATIC_BYTE_CAST( type, var )  (type)(FT_Byte)(var)
  
  
    /* from include/freetype/ftsystem.h */
  
    typedef struct FT_MemoryRec_*  FT_Memory;
  
    typedef void* (*FT_Alloc_Func)( FT_Memory  memory,
                                    long       size );
  
    typedef void (*FT_Free_Func)( FT_Memory  memory,
                                  void*      block );
  
    typedef void* (*FT_Realloc_Func)( FT_Memory  memory,
                                      long       cur_size,
                                      long       new_size,
                                      void*      block );
  
    typedef struct FT_MemoryRec_
    {
      void*            user;
  
      FT_Alloc_Func    alloc;
      FT_Free_Func     free;
      FT_Realloc_Func  realloc;
  
    } FT_MemoryRec;
  
  
    /* from src/ftcalc.c */
  
  #if ( defined _WIN32 || defined _WIN64 )
  
    typedef __int64  FT_Int64;
  
  #else
  
  #include "inttypes.h"
  
    typedef int64_t  FT_Int64;
  
  #endif
  
  
    static FT_Long
    FT_MulDiv_No_Round( 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
                           : 0x7FFFFFFFL );
  
      return ( s > 0 ) ? d : -d;
    }
  
  #endif /* FTMISC_H_ */
  
  
  /* END */
  

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