third_party/harfbuzz-ng/src/hb-ot-shape-complex-use-private.hh

   1 /*
   2  * Copyright © 2015  Mozilla Foundation.
   3  * Copyright © 2015  Google, Inc.
   4  *
   5  *  This is part of HarfBuzz, a text shaping library.
   6  *
   7  * Permission is hereby granted, without written agreement and without
   8  * license or royalty fees, to use, copy, modify, and distribute this
   9  * software and its documentation for any purpose, provided that the
  10  * above copyright notice and the following two paragraphs appear in
  11  * all copies of this software.
  12  *
  13  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  14  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  15  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  16  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  17  * DAMAGE.
  18  *
  19  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  20  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  21  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  22  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  23  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  24  *
  25  * Mozilla Author(s): Jonathan Kew
  26  * Google Author(s): Behdad Esfahbod
  27  */
  28
  29 #ifndef HB_OT_SHAPE_COMPLEX_USE_PRIVATE_HH
  30 #define HB_OT_SHAPE_COMPLEX_USE_PRIVATE_HH
  31
  32 #include "hb-private.hh"
  33
  34
  35 #include "hb-ot-shape-complex-private.hh"
  36
  37
  38 #define USE_TABLE_ELEMENT_TYPE uint8_t
  39
  40 /* Cateories used in the Universal Shaping Engine spec:
  41  * https://www.microsoft.com/typography/OpenTypeDev/USE/intro.htm
  42  */
  43 /* Note: This enum is duplicated in the -machine.rl source file.
  44  * Not sure how to avoid duplication. */
  45 enum use_category_t {
  46   USE_O         = 0,    /* OTHER */
  47
  48   USE_B         = 1,    /* BASE */
  49   USE_IV        = 2,    /* BASE_VOWEL */
  50   USE_IND       = 3,    /* BASE_IND */
  51   USE_N         = 4,    /* BASE_NUM */
  52   USE_GB        = 5,    /* BASE_OTHER */
  53   USE_CGJ       = 6,    /* CGJ */
  54 //  USE_F               = 7,    /* CONS_FINAL */
  55   USE_FM        = 8,    /* CONS_FINAL_MOD */
  56 //  USE_M               = 9,    /* CONS_MED */
  57 //  USE_CM      = 10,   /* CONS_MOD */
  58   USE_SUB       = 11,   /* CONS_SUB */
  59   USE_H         = 12,   /* HALANT */
  60
  61   USE_HN        = 13,   /* HALANT_NUM */
  62   USE_ZWNJ      = 14,   /* Zero width non-joiner */
  63   USE_ZWJ       = 15,   /* Zero width joiner */
  64   USE_WJ        = 16,   /* Word joiner */
  65   USE_Rsv       = 17,   /* Reserved characters */
  66   USE_R         = 18,   /* REPHA */
  67   USE_S         = 19,   /* SYM */
  68 //  USE_SM      = 20,   /* SYM_MOD */
  69   USE_VS        = 21,   /* VARIATION_SELECTOR */
  70 //  USE_V       = 36,   /* VOWEL */
  71 //  USE_VM      = 40,   /* VOWEL_MOD */
  72
  73   USE_FAbv      = 24,   /* CONS_FINAL_ABOVE */
  74   USE_FBlw      = 25,   /* CONS_FINAL_BELOW */
  75   USE_FPst      = 26,   /* CONS_FINAL_POST */
  76   USE_MAbv      = 27,   /* CONS_MED_ABOVE */
  77   USE_MBlw      = 28,   /* CONS_MED_BELOW */
  78   USE_MPst      = 29,   /* CONS_MED_POST */
  79   USE_MPre      = 30,   /* CONS_MED_PRE */
  80   USE_CMAbv     = 31,   /* CONS_MOD_ABOVE */
  81   USE_CMBlw     = 32,   /* CONS_MOD_BELOW */
  82   USE_VAbv      = 33,   /* VOWEL_ABOVE / VOWEL_ABOVE_BELOW / VOWEL_ABOVE_BELOW_POST / VOWEL_ABOVE_POST */
  83   USE_VBlw      = 34,   /* VOWEL_BELOW / VOWEL_BELOW_POST */
  84   USE_VPst      = 35,   /* VOWEL_POST   UIPC = Right */
  85   USE_VPre      = 22,   /* VOWEL_PRE / VOWEL_PRE_ABOVE / VOWEL_PRE_ABOVE_POST / VOWEL_PRE_POST */
  86   USE_VMAbv     = 37,   /* VOWEL_MOD_ABOVE */
  87   USE_VMBlw     = 38,   /* VOWEL_MOD_BELOW */
  88   USE_VMPst     = 39,   /* VOWEL_MOD_POST */
  89   USE_VMPre     = 23,   /* VOWEL_MOD_PRE */
  90   USE_SMAbv     = 41,   /* SYM_MOD_ABOVE */
  91   USE_SMBlw     = 42    /* SYM_MOD_BELOW */
  92 };
  93
  94 HB_INTERNAL USE_TABLE_ELEMENT_TYPE
  95 hb_use_get_categories (hb_codepoint_t u);
  96
  97 #endif /* HB_OT_SHAPE_COMPLEX_USE_PRIVATE_HH */