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src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-shape-complex-myanmar.hh

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   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 */
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