| 1 | /* |
| 2 | * Copyright © 2018 Google, Inc. |
| 3 | * |
| 4 | * This is part of HarfBuzz, a text shaping library. |
| 5 | * |
| 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. |
| 11 | * |
| 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 |
| 16 | * DAMAGE. |
| 17 | * |
| 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. |
| 23 | * |
| 24 | * Google Author(s): Rod Sheeter |
| 25 | */ |
| 26 | |
| 27 | #ifndef HB_SUBSET_H |
| 28 | #define HB_SUBSET_H |
| 29 | |
| 30 | #include "hb.h" |
| 31 | |
| 32 | HB_BEGIN_DECLS |
| 33 | |
| 34 | /* |
| 35 | * hb_subset_input_t |
| 36 | * |
| 37 | * Things that change based on the input. Characters to keep, etc. |
| 38 | */ |
| 39 | |
| 40 | typedef struct hb_subset_input_t hb_subset_input_t; |
| 41 | |
| 42 | HB_EXTERN hb_subset_input_t * |
| 43 | hb_subset_input_create_or_fail (void); |
| 44 | |
| 45 | HB_EXTERN hb_subset_input_t * |
| 46 | hb_subset_input_reference (hb_subset_input_t *subset_input); |
| 47 | |
| 48 | HB_EXTERN void |
| 49 | hb_subset_input_destroy (hb_subset_input_t *subset_input); |
| 50 | |
| 51 | HB_EXTERN hb_set_t * |
| 52 | hb_subset_input_unicode_set (hb_subset_input_t *subset_input); |
| 53 | |
| 54 | HB_EXTERN hb_set_t * |
| 55 | hb_subset_input_glyph_set (hb_subset_input_t *subset_input); |
| 56 | |
| 57 | HB_EXTERN void |
| 58 | hb_subset_input_set_drop_hints (hb_subset_input_t *subset_input, |
| 59 | hb_bool_t drop_hints); |
| 60 | HB_EXTERN hb_bool_t |
| 61 | hb_subset_input_get_drop_hints (hb_subset_input_t *subset_input); |
| 62 | |
| 63 | HB_EXTERN void |
| 64 | hb_subset_input_set_drop_layout (hb_subset_input_t *subset_input, |
| 65 | hb_bool_t drop_layout); |
| 66 | HB_EXTERN hb_bool_t |
| 67 | hb_subset_input_get_drop_layout (hb_subset_input_t *subset_input); |
| 68 | |
| 69 | |
| 70 | /* hb_subset() */ |
| 71 | HB_EXTERN hb_face_t * |
| 72 | hb_subset (hb_face_t *source, |
| 73 | hb_subset_input_t *input); |
| 74 | |
| 75 | |
| 76 | HB_END_DECLS |
| 77 | |
| 78 | #endif /* HB_SUBSET_H */ |
| 79 | |