| 1 | /* |
| 2 | * Copyright © 2019 Ebrahim Byagowi |
| 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 | |
| 25 | #include "hb.hh" |
| 26 | |
| 27 | #ifndef HB_NO_META |
| 28 | |
| 29 | #include "hb-ot-meta-table.hh" |
| 30 | |
| 31 | /** |
| 32 | * SECTION:hb-ot-meta |
| 33 | * @title: hb-ot-meta |
| 34 | * @short_description: OpenType Metadata |
| 35 | * @include: hb-ot.h |
| 36 | * |
| 37 | * Functions for fetching metadata from fonts. |
| 38 | **/ |
| 39 | |
| 40 | /** |
| 41 | * hb_ot_meta_reference_entry: |
| 42 | * @face: a face object |
| 43 | * @start_offset: iteration's start offset |
| 44 | * @entries_count:(inout) (allow-none): buffer size as input, filled size as output |
| 45 | * @entries: (out caller-allocates) (array length=entries_count): entries tags buffer |
| 46 | * |
| 47 | * Return value: Number of all available feature types. |
| 48 | * |
| 49 | * Since: 2.6.0 |
| 50 | **/ |
| 51 | unsigned int |
| 52 | hb_ot_meta_get_entry_tags (hb_face_t *face, |
| 53 | unsigned int start_offset, |
| 54 | unsigned int *entries_count, /* IN/OUT. May be NULL. */ |
| 55 | hb_ot_meta_tag_t *entries /* OUT. May be NULL. */) |
| 56 | { |
| 57 | return face->table.meta->get_entries (start_offset, entries_count, entries); |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * hb_ot_meta_reference_entry: |
| 62 | * @face: a #hb_face_t object. |
| 63 | * @meta_tag: tag of metadata you like to have. |
| 64 | * |
| 65 | * It fetches metadata entry of a given tag from a font. |
| 66 | * |
| 67 | * Returns: (transfer full): A blob containing the blob. |
| 68 | * |
| 69 | * Since: 2.6.0 |
| 70 | **/ |
| 71 | hb_blob_t * |
| 72 | hb_ot_meta_reference_entry (hb_face_t *face, hb_ot_meta_tag_t meta_tag) |
| 73 | { |
| 74 | return face->table.meta->reference_entry (meta_tag); |
| 75 | } |
| 76 | |
| 77 | #endif |
| 78 | |