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 1996-2016 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 )
FT_Get_Sfnt_Name_Count(FT_Face face)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 )
FT_Get_Sfnt_Name(FT_Face face,FT_UInt idx,FT_SfntName * aname)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