cups/transcode.h

   1 /*
   2  * Transcoding definitions for CUPS.
   3  *
   4  * Copyright 2007-2011 by Apple Inc.
   5  * Copyright 1997-2006 by Easy Software Products.
   6  *
   7  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
   8  */
   9
  10 #ifndef _CUPS_TRANSCODE_H_
  11 #  define _CUPS_TRANSCODE_H_
  12
  13 /*
  14  * Include necessary headers...
  15  */
  16
  17 #  include "language.h"
  18
  19 #  ifdef __cplusplus
  20 extern "C" {
  21 #  endif /* __cplusplus */
  22
  23
  24 /*
  25  * Constants...
  26  */
  27
  28 #  define CUPS_MAX_USTRING      8192    /* Max size of Unicode string */
  29
  30
  31 /*
  32  * Types...
  33  */
  34
  35 typedef unsigned char  cups_utf8_t;     /* UTF-8 Unicode/ISO-10646 unit */
  36 typedef unsigned long  cups_utf32_t;    /* UTF-32 Unicode/ISO-10646 unit */
  37 typedef unsigned short cups_ucs2_t;     /* UCS-2 Unicode/ISO-10646 unit */
  38 typedef unsigned long  cups_ucs4_t;     /* UCS-4 Unicode/ISO-10646 unit */
  39 typedef unsigned char  cups_sbcs_t;     /* SBCS Legacy 8-bit unit */
  40 typedef unsigned short cups_dbcs_t;     /* DBCS Legacy 16-bit unit */
  41 typedef unsigned long  cups_vbcs_t;     /* VBCS Legacy 32-bit unit */
  42                                         /* EUC uses 8, 16, 24, 32-bit */
  43
  44
  45 /*
  46  * Prototypes...
  47  */
  48
  49 extern int      cupsCharsetToUTF8(cups_utf8_t *dest,
  50                                   const char *src,
  51                                   const int maxout,
  52                                   const cups_encoding_t encoding) _CUPS_API_1_2;
  53 extern int      cupsUTF8ToCharset(char *dest,
  54                                   const cups_utf8_t *src,
  55                                   const int maxout,
  56                                   const cups_encoding_t encoding) _CUPS_API_1_2;
  57 extern int      cupsUTF8ToUTF32(cups_utf32_t *dest,
  58                                 const cups_utf8_t *src,
  59                                 const int maxout) _CUPS_API_1_2;
  60 extern int      cupsUTF32ToUTF8(cups_utf8_t *dest,
  61                                 const cups_utf32_t *src,
  62                                 const int maxout) _CUPS_API_1_2;
  63
  64 #  ifdef __cplusplus
  65 }
  66 #  endif /* __cplusplus */
  67
  68 #endif /* !_CUPS_TRANSCODE_H_ */