tor-browser

The Tor Browser
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hb-ot-meta.cc (2433B)

      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_get_entry_tags:
     42 * @face: a face object
     43 * @start_offset: iteration's start offset
     44 * @entries_count:(inout) (optional): buffer size as input, filled size as output
     45 * @entries: (out caller-allocates) (array length=entries_count): entries tags buffer
     46 *
     47 * Fetches all available feature types.
     48 *
     49 * Return value: Number of all available feature types.
     50 *
     51 * Since: 2.6.0
     52 **/
     53 unsigned int
     54 hb_ot_meta_get_entry_tags (hb_face_t        *face,
     55 		   unsigned int      start_offset,
     56 		   unsigned int     *entries_count, /* IN/OUT.  May be NULL. */
     57 		   hb_ot_meta_tag_t *entries        /* OUT.     May be NULL. */)
     58 {
     59  return face->table.meta->get_entries (start_offset, entries_count, entries);
     60 }
     61 
     62 /**
     63 * hb_ot_meta_reference_entry:
     64 * @face: a #hb_face_t object.
     65 * @meta_tag: tag of metadata you like to have.
     66 *
     67 * It fetches metadata entry of a given tag from a font.
     68 *
     69 * Returns: (transfer full): A blob containing the blob.
     70 *
     71 * Since: 2.6.0
     72 **/
     73 hb_blob_t *
     74 hb_ot_meta_reference_entry (hb_face_t *face, hb_ot_meta_tag_t meta_tag)
     75 {
     76  return face->table.meta->reference_entry (meta_tag);
     77 }
     78 
     79 #endif