kc3-lang/harfbuzz/src/hb-ot-name.cc

• Show log

  Commit

• Hash : c2aa4095
  Author :
  Date : 2018-10-15T23:09:28
  

  [name] Start implementing hb_ot_name_get_utf16()
  

Download

• src/hb-ot-name.cc

• /*
   * Copyright © 2018  Google, Inc.
   *
   *  This is part of HarfBuzz, a text shaping library.
   *
   * Permission is hereby granted, without written agreement and without
   * license or royalty fees, to use, copy, modify, and distribute this
   * software and its documentation for any purpose, provided that the
   * above copyright notice and the following two paragraphs appear in
   * all copies of this software.
   *
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
   * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
   * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
   * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
   * DAMAGE.
   *
   * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
   * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
   * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
   * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
   *
   * Google Author(s): Behdad Esfahbod
   */
  
  #include "hb.hh"
  
  #include "hb-ot-name-table.hh"
  
  #include "hb-ot-face.hh"
  
  
  static inline const OT::name_accelerator_t&
  _get_name (hb_face_t *face)
  {
    if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::name_accelerator_t);
    return *(hb_ot_face_data (face)->name.get ());
  }
  
  
  unsigned int
  hb_ot_name_get_names (hb_face_t                 *face,
  		      const hb_ot_name_entry_t **entries /* OUT */)
  {
    const OT::name_accelerator_t &name = _get_name (face);
    if (entries)
      *entries = name.names.arrayZ();
    return name.names.len;
  }
  
  
  hb_bool_t
  hb_ot_name_get_utf16 (hb_face_t     *face,
  		      hb_name_id_t   name_id,
  		      hb_language_t  language,
  		      unsigned int  *text_size /* IN/OUT */,
  		      uint16_t      *text      /* OUT */)
  {
    const OT::name_accelerator_t &name = _get_name (face);
    unsigned int idx = 0; //XXX
    hb_bytes_t bytes = name.table->get_name (idx);
    if (*text_size)
    {
      /* TODO Switch to walking string and validating. */
      memcpy (text, bytes.arrayZ, MIN (*text_size * 2, bytes.len));
    }
    /* XXX Null-terminate. */
    *text_size = bytes.len / 2; //TODO
    /* TODO Fallback? */
    return true; //XXX
  }
  

Download