1 | /**************************************************************************** |
2 | * |
3 | * ftcid.c |
4 | * |
5 | * FreeType API for accessing CID font information. |
6 | * |
7 | * Copyright (C) 2007-2023 by |
8 | * Derek Clegg and Michael Toftdal. |
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 | |
19 | #include <freetype/ftcid.h> |
20 | #include <freetype/internal/ftobjs.h> |
21 | #include <freetype/internal/services/svcid.h> |
22 | |
23 | |
24 | /* documentation is in ftcid.h */ |
25 | |
26 | FT_EXPORT_DEF( FT_Error ) |
27 | FT_Get_CID_Registry_Ordering_Supplement( FT_Face face, |
28 | const char* *registry, |
29 | const char* *ordering, |
30 | FT_Int *supplement) |
31 | { |
32 | FT_Error error; |
33 | const char* r = NULL; |
34 | const char* o = NULL; |
35 | FT_Int s = 0; |
36 | |
37 | |
38 | error = FT_ERR( Invalid_Argument ); |
39 | |
40 | if ( face ) |
41 | { |
42 | FT_Service_CID service; |
43 | |
44 | |
45 | FT_FACE_FIND_SERVICE( face, service, CID ); |
46 | |
47 | if ( service && service->get_ros ) |
48 | error = service->get_ros( face, &r, &o, &s ); |
49 | } |
50 | |
51 | if ( registry ) |
52 | *registry = r; |
53 | |
54 | if ( ordering ) |
55 | *ordering = o; |
56 | |
57 | if ( supplement ) |
58 | *supplement = s; |
59 | |
60 | return error; |
61 | } |
62 | |
63 | |
64 | FT_EXPORT_DEF( FT_Error ) |
65 | FT_Get_CID_Is_Internally_CID_Keyed( FT_Face face, |
66 | FT_Bool *is_cid ) |
67 | { |
68 | FT_Error error = FT_ERR( Invalid_Argument ); |
69 | FT_Bool ic = 0; |
70 | |
71 | |
72 | if ( face ) |
73 | { |
74 | FT_Service_CID service; |
75 | |
76 | |
77 | FT_FACE_FIND_SERVICE( face, service, CID ); |
78 | |
79 | if ( service && service->get_is_cid ) |
80 | error = service->get_is_cid( face, &ic); |
81 | } |
82 | |
83 | if ( is_cid ) |
84 | *is_cid = ic; |
85 | |
86 | return error; |
87 | } |
88 | |
89 | |
90 | FT_EXPORT_DEF( FT_Error ) |
91 | FT_Get_CID_From_Glyph_Index( FT_Face face, |
92 | FT_UInt glyph_index, |
93 | FT_UInt *cid ) |
94 | { |
95 | FT_Error error = FT_ERR( Invalid_Argument ); |
96 | FT_UInt c = 0; |
97 | |
98 | |
99 | if ( face ) |
100 | { |
101 | FT_Service_CID service; |
102 | |
103 | |
104 | FT_FACE_FIND_SERVICE( face, service, CID ); |
105 | |
106 | if ( service && service->get_cid_from_glyph_index ) |
107 | error = service->get_cid_from_glyph_index( face, glyph_index, &c); |
108 | } |
109 | |
110 | if ( cid ) |
111 | *cid = c; |
112 | |
113 | return error; |
114 | } |
115 | |
116 | |
117 | /* END */ |
118 | |