| 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 | |