include/freetype/internal/services/svpscmap.h

/***************************************************************************/
/*                                                                         */
/*  svpscmap.h                                                             */
/*                                                                         */
/*    The FreeType PostScript charmap service (specification).             */
/*                                                                         */
/*  Copyright 2003 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.                                        */
/*                                                                         */
/***************************************************************************/


#ifndef __SVPSCMAP_H__
#define __SVPSCMAP_H__


FT_BEGIN_HEADER


#define FT_SERVICE_ID_POSTSCRIPT_CMAPS  "postscript-cmaps"


  /*
   *  Adobe glyph name to unicode value
   */
  typedef FT_UInt32
  (*PS_Unicode_ValueFunc)( const char*  glyph_name );

  /*
   *  Unicode value to Adobe glyph name index.  0xFFFF if not found.
   */
  typedef FT_UInt
  (*PS_Unicode_Index_Func)( FT_UInt       num_glyphs,
                            const char**  glyph_names,
                            FT_ULong      unicode );

  /*
   *  Macintosh name id to glyph name.  NULL if invalid index.
   */
  typedef const char*
  (*PS_Macintosh_Name_Func)( FT_UInt  name_index );

  /*
   *  Adobe standard string ID to glyph name.  NULL if invalid index.
   */
  typedef const char*
  (*PS_Adobe_Std_Strings_Func)( FT_UInt  string_index );

  /*
   *  Simple unicode -> glyph index charmap built from font glyph names
   *  table.
   */
  typedef struct  PS_UniMap_
  {
    FT_UInt  unicode;
    FT_UInt  glyph_index;

  } PS_UniMap;


  typedef struct  PS_Unicodes_
  {
    FT_UInt     num_maps;
    PS_UniMap*  maps;

  } PS_Unicodes;


  typedef FT_Error
  (*PS_Unicodes_InitFunc)( FT_Memory     memory,
                           FT_UInt       num_glyphs,
                           const char**  glyph_names,
                           PS_Unicodes*  unicodes );

  typedef FT_UInt
  (*PS_Unicodes_CharIndexFunc)( PS_Unicodes*  unicodes,
                                FT_UInt       unicode );

  typedef FT_ULong
  (*PS_Unicodes_CharNextFunc)( PS_Unicodes*  unicodes,
                               FT_ULong      unicode );


  FT_DEFINE_SERVICE( PsCMaps )
  {
    PS_Unicode_ValueFunc       unicode_value;

    PS_Unicodes_InitFunc       unicodes_init;
    PS_Unicodes_CharIndexFunc  unicodes_char_index;
    PS_Unicodes_CharNextFunc   unicodes_char_next;

    PS_Macintosh_Name_Func     macintosh_name;
    PS_Adobe_Std_Strings_Func  adobe_std_strings;
    const unsigned short*      adobe_std_encoding;
    const unsigned short*      adobe_expert_encoding;
  };

  /* */


FT_END_HEADER


#endif /* __SVPSCMAP_H__ */


/* END */