2 * Copyright © 2018 Google, Inc.
4 * This is part of HarfBuzz, a text shaping library.
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 * Google Author(s): Rod Sheeter
36 * Things that change based on target environment, e.g. OS.
37 * Threadsafe for multiple concurrent subset operations.
40 typedef struct hb_subset_profile_t hb_subset_profile_t;
42 HB_EXTERN hb_subset_profile_t *
43 hb_subset_profile_create (void);
46 hb_subset_profile_destroy (hb_subset_profile_t *profile);
51 * Things that change based on the input. Characters to keep, etc.
54 typedef struct hb_subset_input_t hb_subset_input_t;
56 HB_EXTERN hb_subset_input_t *
57 hb_subset_input_create_or_fail (void);
59 HB_EXTERN hb_subset_input_t *
60 hb_subset_input_reference (hb_subset_input_t *subset_input);
63 hb_subset_input_destroy (hb_subset_input_t *subset_input);
66 hb_subset_input_unicode_set (hb_subset_input_t *subset_input);
69 hb_subset_input_glyph_set (hb_subset_input_t *subset_input);
72 hb_subset_input_drop_hints (hb_subset_input_t *subset_input);
75 hb_subset_input_drop_ot_layout (hb_subset_input_t *subset_input);
79 hb_subset (hb_face_t *source,
80 hb_subset_profile_t *profile,
81 hb_subset_input_t *input);
83 /* hb_subset_get_all_codepoints */
85 hb_subset_get_all_codepoints (hb_face_t *source, hb_set_t *out);
89 #endif /* HB_SUBSET_H */