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 */
95