kc3-lang/harfbuzz/src/graph/split-helpers.hh

• Show log

  Commit

• Hash : fa46dbca
  Author :
  Date : 2022-08-08T17:07:14
  

  [repacker] Make actuate_subtable_split internal.
  

Download

• src/graph/split-helpers.hh

• /*
   * Copyright © 2022  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): Garret Rieger
   */
  
  #ifndef GRAPH_SPLIT_HELPERS_HH
  #define GRAPH_SPLIT_HELPERS_HH
  
  namespace graph {
  
  template<typename Context>
  HB_INTERNAL
  hb_vector_t<unsigned> actuate_subtable_split (Context& split_context,
                                                const hb_vector_t<unsigned>& split_points)
  {
    hb_vector_t<unsigned> new_objects;
    if (!split_points)
      return new_objects;
  
    for (unsigned i = 0; i < split_points.length; i++)
    {
      unsigned start = split_points[i];
      unsigned end = (i < split_points.length - 1)
                     ? split_points[i + 1]
                     : split_context.original_count ();
      unsigned id = split_context.clone_range (start, end);
  
      if (id == (unsigned) -1)
      {
        new_objects.reset ();
        new_objects.allocated = -1; // mark error
        return new_objects;
      }
      new_objects.push (id);
    }
  
    if (!split_context.shrink (split_points[0]))
    {
      new_objects.reset ();
      new_objects.allocated = -1; // mark error
    }
  
    return new_objects;
  }
  
  }
  
  #endif  // GRAPH_SPLIT_HELPERS_HH
  

Download