gfx/harfbuzz/src/hb-ot-shaper-indic.hh

   1 /*
   2  * Copyright © 2012  Google, Inc.
   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  * Google Author(s): Behdad Esfahbod
  25  */
  26
  27 #ifndef HB_OT_SHAPER_INDIC_HH
  28 #define HB_OT_SHAPER_INDIC_HH
  29
  30 #include "hb.hh"
  31
  32 #include "hb-ot-shaper-syllabic.hh"
  33
  34
  35 /* Visual positions in a syllable from left to right. */
  36 enum ot_position_t {
  37   POS_START = 0,
  38
  39   POS_RA_TO_BECOME_REPH = 1,
  40   POS_PRE_M = 2,
  41   POS_PRE_C = 3,
  42
  43   POS_BASE_C = 4,
  44   POS_AFTER_MAIN = 5,
  45
  46   POS_ABOVE_C = 6,
  47
  48   POS_BEFORE_SUB = 7,
  49   POS_BELOW_C = 8,
  50   POS_AFTER_SUB = 9,
  51
  52   POS_BEFORE_POST = 10,
  53   POS_POST_C = 11,
  54   POS_AFTER_POST = 12,
  55
  56   POS_SMVD = 13,
  57
  58   POS_END = 14
  59 };
  60
  61
  62 HB_INTERNAL uint16_t
  63 hb_indic_get_categories (hb_codepoint_t u);
  64
  65
  66 #endif /* HB_OT_SHAPER_INDIC_HH */