thirdparty/freetype-2.3.12/src/base/ftgxval.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ftgxval.c                                                              */
   4 /*                                                                         */
   5 /*    FreeType API for validating TrueTyepGX/AAT tables (body).            */
   6 /*                                                                         */
   7 /*  Copyright 2004, 2005, 2006 by                                          */
   8 /*  Masatake YAMATO, Redhat K.K,                                           */
   9 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  10 /*                                                                         */
  11 /*  This file is part of the FreeType project, and may only be used,       */
  12 /*  modified, and distributed under the terms of the FreeType project      */
  13 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  14 /*  this file you indicate that you have read the license and              */
  15 /*  understand and accept it fully.                                        */
  16 /*                                                                         */
  17 /***************************************************************************/
  18
  19 /***************************************************************************/
  20 /*                                                                         */
  21 /* gxvalid is derived from both gxlayout module and otvalid module.        */
  22 /* Development of gxlayout is supported by the Information-technology      */
  23 /* Promotion Agency(IPA), Japan.                                           */
  24 /*                                                                         */
  25 /***************************************************************************/
  26
  27
  28 #include <ft2build.h>
  29 #include FT_INTERNAL_OBJECTS_H
  30 #include FT_SERVICE_GX_VALIDATE_H
  31
  32
  33   /* documentation is in ftgxval.h */
  34
  35   FT_EXPORT_DEF( FT_Error )
  36   FT_TrueTypeGX_Validate( FT_Face   face,
  37                           FT_UInt   validation_flags,
  38                           FT_Bytes  tables[FT_VALIDATE_GX_LENGTH],
  39                           FT_UInt   table_length )
  40   {
  41     FT_Service_GXvalidate  service;
  42     FT_Error               error;
  43
  44
  45     if ( !face )
  46     {
  47       error = FT_Err_Invalid_Face_Handle;
  48       goto Exit;
  49     }
  50
  51     if ( tables == NULL )
  52     {
  53       error = FT_Err_Invalid_Argument;
  54       goto Exit;
  55     }
  56
  57     FT_FACE_FIND_GLOBAL_SERVICE( face, service, GX_VALIDATE );
  58
  59     if ( service )
  60       error = service->validate( face,
  61                                  validation_flags,
  62                                  tables,
  63                                  table_length );
  64     else
  65       error = FT_Err_Unimplemented_Feature;
  66
  67   Exit:
  68     return error;
  69   }
  70
  71
  72   FT_EXPORT_DEF( void )
  73   FT_TrueTypeGX_Free( FT_Face   face,
  74                       FT_Bytes  table )
  75   {
  76     FT_Memory  memory = FT_FACE_MEMORY( face );
  77
  78
  79     FT_FREE( table );
  80   }
  81
  82
  83   FT_EXPORT_DEF( FT_Error )
  84   FT_ClassicKern_Validate( FT_Face    face,
  85                            FT_UInt    validation_flags,
  86                            FT_Bytes  *ckern_table )
  87   {
  88     FT_Service_CKERNvalidate  service;
  89     FT_Error                  error;
  90
  91
  92     if ( !face )
  93     {
  94       error = FT_Err_Invalid_Face_Handle;
  95       goto Exit;
  96     }
  97
  98     if ( ckern_table == NULL )
  99     {
 100       error = FT_Err_Invalid_Argument;
 101       goto Exit;
 102     }
 103
 104     FT_FACE_FIND_GLOBAL_SERVICE( face, service, CLASSICKERN_VALIDATE );
 105
 106     if ( service )
 107       error = service->validate( face,
 108                                  validation_flags,
 109                                  ckern_table );
 110     else
 111       error = FT_Err_Unimplemented_Feature;
 112
 113   Exit:
 114     return error;
 115   }
 116
 117
 118   FT_EXPORT_DEF( void )
 119   FT_ClassicKern_Free( FT_Face   face,
 120                        FT_Bytes  table )
 121   {
 122     FT_Memory  memory = FT_FACE_MEMORY( face );
 123
 124
 125     FT_FREE( table );
 126   }
 127
 128
 129 /* END */