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

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ftsnames.c                                                             */
   4 /*                                                                         */
   5 /*    Simple interface to access SFNT name tables (which are used          */
   6 /*    to hold font names, copyright info, notices, etc.) (body).           */
   7 /*                                                                         */
   8 /*    This is _not_ used to retrieve glyph names!                          */
   9 /*                                                                         */
  10 /*  Copyright 1996-2001, 2002, 2009 by                                     */
  11 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  12 /*                                                                         */
  13 /*  This file is part of the FreeType project, and may only be used,       */
  14 /*  modified, and distributed under the terms of the FreeType project      */
  15 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  16 /*  this file you indicate that you have read the license and              */
  17 /*  understand and accept it fully.                                        */
  18 /*                                                                         */
  19 /***************************************************************************/
  20
  21
  22 #include <ft2build.h>
  23 #include FT_SFNT_NAMES_H
  24 #include FT_INTERNAL_TRUETYPE_TYPES_H
  25 #include FT_INTERNAL_STREAM_H
  26
  27
  28 #ifdef TT_CONFIG_OPTION_SFNT_NAMES
  29
  30
  31   /* documentation is in ftsnames.h */
  32
  33   FT_EXPORT_DEF( FT_UInt )
  34   FT_Get_Sfnt_Name_Count( FT_Face  face )
  35   {
  36     return ( face && FT_IS_SFNT( face ) ) ? ((TT_Face)face)->num_names : 0;
  37   }
  38
  39
  40   /* documentation is in ftsnames.h */
  41
  42   FT_EXPORT_DEF( FT_Error )
  43   FT_Get_Sfnt_Name( FT_Face       face,
  44                     FT_UInt       idx,
  45                     FT_SfntName  *aname )
  46   {
  47     FT_Error  error = FT_Err_Invalid_Argument;
  48
  49
  50     if ( aname && face && FT_IS_SFNT( face ) )
  51     {
  52       TT_Face  ttface = (TT_Face)face;
  53
  54
  55       if ( idx < (FT_UInt)ttface->num_names )
  56       {
  57         TT_NameEntryRec*  entry = ttface->name_table.names + idx;
  58
  59
  60         /* load name on demand */
  61         if ( entry->stringLength > 0 && entry->string == NULL )
  62         {
  63           FT_Memory  memory = face->memory;
  64           FT_Stream  stream = face->stream;
  65
  66
  67           if ( FT_NEW_ARRAY  ( entry->string, entry->stringLength ) ||
  68                FT_STREAM_SEEK( entry->stringOffset )                ||
  69                FT_STREAM_READ( entry->string, entry->stringLength ) )
  70           {
  71             FT_FREE( entry->string );
  72             entry->stringLength = 0;
  73           }
  74         }
  75
  76         aname->platform_id = entry->platformID;
  77         aname->encoding_id = entry->encodingID;
  78         aname->language_id = entry->languageID;
  79         aname->name_id     = entry->nameID;
  80         aname->string      = (FT_Byte*)entry->string;
  81         aname->string_len  = entry->stringLength;
  82
  83         error = FT_Err_Ok;
  84       }
  85     }
  86
  87     return error;
  88   }
  89
  90
  91 #endif /* TT_CONFIG_OPTION_SFNT_NAMES */
  92
  93
  94 /* END */