kc3-lang/harfbuzz/src/hb-aat-layout.hh

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• Hash : 37f8ebff
  Author :
  Date : 2019-06-18T14:33:49
  

  [config] Fixup for AAT ltag table access
  
  Part of https://github.com/harfbuzz/harfbuzz/issues/1652
  

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• src/hb-aat-layout.hh

• /*
   * Copyright © 2017  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
   */
  
  #ifndef HB_AAT_LAYOUT_HH
  #define HB_AAT_LAYOUT_HH
  
  #include "hb.hh"
  
  #include "hb-ot-shape.hh"
  #include "hb-aat-ltag-table.hh"
  
  struct hb_aat_feature_mapping_t
  {
    hb_tag_t otFeatureTag;
    hb_aat_layout_feature_type_t aatFeatureType;
    hb_aat_layout_feature_selector_t selectorToEnable;
    hb_aat_layout_feature_selector_t selectorToDisable;
  
    HB_INTERNAL static int cmp (const void *key_, const void *entry_)
    {
      hb_tag_t key = * (unsigned int *) key_;
      const hb_aat_feature_mapping_t * entry = (const hb_aat_feature_mapping_t *) entry_;
      return key < entry->otFeatureTag ? -1 :
  	   key > entry->otFeatureTag ? 1 :
  	   0;
    }
  };
  
  HB_INTERNAL const hb_aat_feature_mapping_t *
  hb_aat_layout_find_feature_mapping (hb_tag_t tag);
  
  HB_INTERNAL void
  hb_aat_layout_compile_map (const hb_aat_map_builder_t *mapper,
  			   hb_aat_map_t *map);
  
  HB_INTERNAL void
  hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
  			  hb_font_t *font,
  			  hb_buffer_t *buffer);
  
  HB_INTERNAL void
  hb_aat_layout_zero_width_deleted_glyphs (hb_buffer_t *buffer);
  
  HB_INTERNAL void
  hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer);
  
  HB_INTERNAL void
  hb_aat_layout_position (const hb_ot_shape_plan_t *plan,
  			hb_font_t *font,
  			hb_buffer_t *buffer);
  
  HB_INTERNAL void
  hb_aat_layout_track (const hb_ot_shape_plan_t *plan,
  		     hb_font_t *font,
  		     hb_buffer_t *buffer);
  
  
  #endif /* HB_AAT_LAYOUT_HH */
  

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