1 | /**************************************************************************** |
2 | * |
3 | * ftotval.c |
4 | * |
5 | * FreeType API for validating OpenType tables (body). |
6 | * |
7 | * Copyright (C) 2004-2023 by |
8 | * David Turner, Robert Wilhelm, and Werner Lemberg. |
9 | * |
10 | * This file is part of the FreeType project, and may only be used, |
11 | * modified, and distributed under the terms of the FreeType project |
12 | * license, LICENSE.TXT. By continuing to use, modify, or distribute |
13 | * this file you indicate that you have read the license and |
14 | * understand and accept it fully. |
15 | * |
16 | */ |
17 | |
18 | #include <freetype/internal/ftdebug.h> |
19 | |
20 | #include <freetype/internal/ftobjs.h> |
21 | #include <freetype/internal/services/svotval.h> |
22 | #include <freetype/ftotval.h> |
23 | |
24 | |
25 | /* documentation is in ftotval.h */ |
26 | |
27 | FT_EXPORT_DEF( FT_Error ) |
28 | FT_OpenType_Validate( FT_Face face, |
29 | FT_UInt validation_flags, |
30 | FT_Bytes *BASE_table, |
31 | FT_Bytes *GDEF_table, |
32 | FT_Bytes *GPOS_table, |
33 | FT_Bytes *GSUB_table, |
34 | FT_Bytes *JSTF_table ) |
35 | { |
36 | FT_Service_OTvalidate service; |
37 | FT_Error error; |
38 | |
39 | |
40 | if ( !face ) |
41 | { |
42 | error = FT_THROW( Invalid_Face_Handle ); |
43 | goto Exit; |
44 | } |
45 | |
46 | if ( !( BASE_table && |
47 | GDEF_table && |
48 | GPOS_table && |
49 | GSUB_table && |
50 | JSTF_table ) ) |
51 | { |
52 | error = FT_THROW( Invalid_Argument ); |
53 | goto Exit; |
54 | } |
55 | |
56 | FT_FACE_FIND_GLOBAL_SERVICE( face, service, OPENTYPE_VALIDATE ); |
57 | |
58 | if ( service ) |
59 | error = service->validate( face, |
60 | validation_flags, |
61 | BASE_table, |
62 | GDEF_table, |
63 | GPOS_table, |
64 | GSUB_table, |
65 | JSTF_table ); |
66 | else |
67 | error = FT_THROW( Unimplemented_Feature ); |
68 | |
69 | Exit: |
70 | return error; |
71 | } |
72 | |
73 | |
74 | FT_EXPORT_DEF( void ) |
75 | FT_OpenType_Free( FT_Face face, |
76 | FT_Bytes table ) |
77 | { |
78 | FT_Memory memory; |
79 | |
80 | |
81 | if ( !face ) |
82 | return; |
83 | |
84 | memory = FT_FACE_MEMORY( face ); |
85 | |
86 | FT_FREE( table ); |
87 | } |
88 | |
89 | |
90 | /* END */ |
91 | |