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