XFA: merge patch from CL 817753002
[pdfium.git] / core / src / fxge / fx_freetype / fxft2.5.01 / 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 "../../include/ft2build.h"
23 #include "../../include/freetype/ftsnames.h"
24 #include "../../include/freetype/internal/tttypes.h"
25 #include "../../include/freetype/internal/ftstream.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 */