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_SHAPE_COMPLEX_MYANMAR_PRIVATE_HH 28 #define HB_OT_SHAPE_COMPLEX_MYANMAR_PRIVATE_HH 29 30 #include "hb-private.hh" 31 32 #include "hb-ot-shape-complex-indic-private.hh" 33 34 35 /* buffer var allocations */ 36 #define myanmar_category() indic_category() /* myanmar_category_t */ 37 #define myanmar_position() indic_position() /* myanmar_position_t */ 38 39 40 /* Note: This enum is duplicated in the -machine.rl source file. 41 * Not sure how to avoid duplication. */ 42 enum myanmar_category_t { 43 OT_As = 18, /* Asat */ 44 OT_D0 = 20, /* Digit zero */ 45 OT_DB = OT_N, /* Dot below */ 46 OT_GB = OT_PLACEHOLDER, 47 OT_MH = 21, /* Various consonant medial types */ 48 OT_MR = 22, /* Various consonant medial types */ 49 OT_MW = 23, /* Various consonant medial types */ 50 OT_MY = 24, /* Various consonant medial types */ 51 OT_PT = 25, /* Pwo and other tones */ 52 OT_VAbv = 26, 53 OT_VBlw = 27, 54 OT_VPre = 28, 55 OT_VPst = 29, 56 OT_VS = 30, /* Variation selectors */ 57 OT_P = 31, /* Punctuation */ 58 OT_D = 32, /* Digits except zero */ 59 }; 60 61 62 static inline void 63 set_myanmar_properties (hb_glyph_info_t &info) 64 { 65 hb_codepoint_t u = info.codepoint; 66 unsigned int type = hb_indic_get_categories (u); 67 indic_category_t cat = (indic_category_t) (type & 0x7Fu); 68 indic_position_t pos = (indic_position_t) (type >> 8); 69 70 /* Myanmar 71 * https://docs.microsoft.com/en-us/typography/script-development/myanmar#analyze 72 */ 73 if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu))) 74 cat = (indic_category_t) OT_VS; 75 76 switch (u) 77 { 78 case 0x104Eu: 79 cat = (indic_category_t) OT_C; /* The spec says C, IndicSyllableCategory doesn't have. */ 80 break; 81 82 case 0x002Du: case 0x00A0u: case 0x00D7u: case 0x2012u: 83 case 0x2013u: case 0x2014u: case 0x2015u: case 0x2022u: 84 case 0x25CCu: case 0x25FBu: case 0x25FCu: case 0x25FDu: 85 case 0x25FEu: 86 cat = (indic_category_t) OT_GB; 87 break; 88 89 case 0x1004u: case 0x101Bu: case 0x105Au: 90 cat = (indic_category_t) OT_Ra; 91 break; 92 93 case 0x1032u: case 0x1036u: 94 cat = (indic_category_t) OT_A; 95 break; 96 97 case 0x1039u: 98 cat = (indic_category_t) OT_H; 99 break; 100 101 case 0x103Au: 102 cat = (indic_category_t) OT_As; 103 break; 104 105 case 0x1041u: case 0x1042u: case 0x1043u: case 0x1044u: 106 case 0x1045u: case 0x1046u: case 0x1047u: case 0x1048u: 107 case 0x1049u: case 0x1090u: case 0x1091u: case 0x1092u: 108 case 0x1093u: case 0x1094u: case 0x1095u: case 0x1096u: 109 case 0x1097u: case 0x1098u: case 0x1099u: 110 cat = (indic_category_t) OT_D; 111 break; 112 113 case 0x1040u: 114 cat = (indic_category_t) OT_D; /* XXX The spec says D0, but Uniscribe doesn't seem to do. */ 115 break; 116 117 case 0x103Eu: case 0x1060u: 118 cat = (indic_category_t) OT_MH; 119 break; 120 121 case 0x103Cu: 122 cat = (indic_category_t) OT_MR; 123 break; 124 125 case 0x103Du: case 0x1082u: 126 cat = (indic_category_t) OT_MW; 127 break; 128 129 case 0x103Bu: case 0x105Eu: case 0x105Fu: 130 cat = (indic_category_t) OT_MY; 131 break; 132 133 case 0x1063u: case 0x1064u: case 0x1069u: case 0x106Au: 134 case 0x106Bu: case 0x106Cu: case 0x106Du: case 0xAA7Bu: 135 cat = (indic_category_t) OT_PT; 136 break; 137 138 case 0x1038u: case 0x1087u: case 0x1088u: case 0x1089u: 139 case 0x108Au: case 0x108Bu: case 0x108Cu: case 0x108Du: 140 case 0x108Fu: case 0x109Au: case 0x109Bu: case 0x109Cu: 141 cat = (indic_category_t) OT_SM; 142 break; 143 144 case 0x104Au: case 0x104Bu: 145 cat = (indic_category_t) OT_P; 146 break; 147 148 case 0xAA74u: case 0xAA75u: case 0xAA76u: 149 /* https://github.com/roozbehp/unicode-data/issues/3 */ 150 cat = (indic_category_t) OT_C; 151 break; 152 } 153 154 if (cat == OT_M) 155 { 156 switch ((int) pos) 157 { 158 case POS_PRE_C: cat = (indic_category_t) OT_VPre; 159 pos = POS_PRE_M; break; 160 case POS_ABOVE_C: cat = (indic_category_t) OT_VAbv; break; 161 case POS_BELOW_C: cat = (indic_category_t) OT_VBlw; break; 162 case POS_POST_C: cat = (indic_category_t) OT_VPst; break; 163 } 164 } 165 166 info.myanmar_category() = (myanmar_category_t) cat; 167 info.myanmar_position() = pos; 168 } 169 170 171 #endif /* HB_OT_SHAPE_COMPLEX_MYANMAR_PRIVATE_HH */ | 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_SHAPE_COMPLEX_MYANMAR_HH 28 #define HB_OT_SHAPE_COMPLEX_MYANMAR_HH 29 30 #include "hb.hh" 31 32 #include "hb-ot-shape-complex-indic.hh" 33 34 35 /* buffer var allocations */ 36 #define myanmar_category() indic_category() /* myanmar_category_t */ 37 #define myanmar_position() indic_position() /* myanmar_position_t */ 38 39 40 /* Note: This enum is duplicated in the -machine.rl source file. 41 * Not sure how to avoid duplication. */ 42 enum myanmar_category_t { 43 OT_As = 18, /* Asat */ 44 OT_D0 = 20, /* Digit zero */ 45 OT_DB = OT_N, /* Dot below */ 46 OT_GB = OT_PLACEHOLDER, 47 OT_MH = 21, /* Various consonant medial types */ 48 OT_MR = 22, /* Various consonant medial types */ 49 OT_MW = 23, /* Various consonant medial types */ 50 OT_MY = 24, /* Various consonant medial types */ 51 OT_PT = 25, /* Pwo and other tones */ 52 OT_VAbv = 26, 53 OT_VBlw = 27, 54 OT_VPre = 28, 55 OT_VPst = 29, 56 OT_VS = 30, /* Variation selectors */ 57 OT_P = 31, /* Punctuation */ 58 OT_D = 32, /* Digits except zero */ 59 }; 60 61 62 static inline void 63 set_myanmar_properties (hb_glyph_info_t &info) 64 { 65 hb_codepoint_t u = info.codepoint; 66 unsigned int type = hb_indic_get_categories (u); 67 unsigned int cat = type & 0x7Fu; 68 indic_position_t pos = (indic_position_t) (type >> 8); 69 70 /* Myanmar 71 * https://docs.microsoft.com/en-us/typography/script-development/myanmar#analyze 72 */ 73 if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu))) 74 cat = OT_VS; 75 76 switch (u) 77 { 78 case 0x104Eu: 79 cat = OT_C; /* The spec says C, IndicSyllableCategory doesn't have. */ 80 break; 81 82 case 0x002Du: case 0x00A0u: case 0x00D7u: case 0x2012u: 83 case 0x2013u: case 0x2014u: case 0x2015u: case 0x2022u: 84 case 0x25CCu: case 0x25FBu: case 0x25FCu: case 0x25FDu: 85 case 0x25FEu: 86 cat = OT_GB; 87 break; 88 89 case 0x1004u: case 0x101Bu: case 0x105Au: 90 cat = OT_Ra; 91 break; 92 93 case 0x1032u: case 0x1036u: 94 cat = OT_A; 95 break; 96 97 case 0x1039u: 98 cat = OT_H; 99 break; 100 101 case 0x103Au: 102 cat = OT_As; 103 break; 104 105 case 0x1041u: case 0x1042u: case 0x1043u: case 0x1044u: 106 case 0x1045u: case 0x1046u: case 0x1047u: case 0x1048u: 107 case 0x1049u: case 0x1090u: case 0x1091u: case 0x1092u: 108 case 0x1093u: case 0x1094u: case 0x1095u: case 0x1096u: 109 case 0x1097u: case 0x1098u: case 0x1099u: 110 cat = OT_D; 111 break; 112 113 case 0x1040u: 114 cat = OT_D; /* XXX The spec says D0, but Uniscribe doesn't seem to do. */ 115 break; 116 117 case 0x103Eu: case 0x1060u: 118 cat = OT_MH; 119 break; 120 121 case 0x103Cu: 122 cat = OT_MR; 123 break; 124 125 case 0x103Du: case 0x1082u: 126 cat = OT_MW; 127 break; 128 129 case 0x103Bu: case 0x105Eu: case 0x105Fu: 130 cat = OT_MY; 131 break; 132 133 case 0x1063u: case 0x1064u: case 0x1069u: case 0x106Au: 134 case 0x106Bu: case 0x106Cu: case 0x106Du: case 0xAA7Bu: 135 cat = OT_PT; 136 break; 137 138 case 0x1038u: case 0x1087u: case 0x1088u: case 0x1089u: 139 case 0x108Au: case 0x108Bu: case 0x108Cu: case 0x108Du: 140 case 0x108Fu: case 0x109Au: case 0x109Bu: case 0x109Cu: 141 cat = OT_SM; 142 break; 143 144 case 0x104Au: case 0x104Bu: 145 cat = OT_P; 146 break; 147 148 case 0xAA74u: case 0xAA75u: case 0xAA76u: 149 /* https://github.com/roozbehp/unicode-data/issues/3 */ 150 cat = OT_C; 151 break; 152 } 153 154 if (cat == OT_M) 155 { 156 switch ((int) pos) 157 { 158 case POS_PRE_C: cat = OT_VPre; 159 pos = POS_PRE_M; break; 160 case POS_ABOVE_C: cat = OT_VAbv; break; 161 case POS_BELOW_C: cat = OT_VBlw; break; 162 case POS_POST_C: cat = OT_VPst; break; 163 } 164 } 165 166 info.myanmar_category() = cat; 167 info.myanmar_position() = pos; 168 } 169 170 171 #endif /* HB_OT_SHAPE_COMPLEX_MYANMAR_HH */ |