* Google Author(s): Behdad Esfahbod
*/
-#include "hb-ot-shape-complex-indic-private.hh"
-
-/* buffer var allocations */
-#define myanmar_category() complex_var_u8_0() /* myanmar_category_t */
-#define myanmar_position() complex_var_u8_1() /* myanmar_position_t */
+#include "hb-ot-shape-complex-myanmar-private.hh"
/*
for (unsigned int i = 0; i < ARRAY_LENGTH (basic_features); i++)
{
map->add_feature (basic_features[i], 1, F_GLOBAL | F_MANUAL_ZWJ);
- map->add_gsub_pause (NULL);
+ map->add_gsub_pause (nullptr);
}
map->add_gsub_pause (final_reordering);
for (unsigned int i = 0; i < ARRAY_LENGTH (other_features); i++)
#include "hb-ot-shape-complex-myanmar-machine.hh"
-/* Note: This enum is duplicated in the -machine.rl source file.
- * Not sure how to avoid duplication. */
-enum myanmar_category_t {
- OT_As = 18, /* Asat */
- OT_D = 19, /* Digits except zero */
- OT_D0 = 20, /* Digit zero */
- OT_DB = OT_N, /* Dot below */
- OT_GB = OT_PLACEHOLDER,
- OT_MH = 21, /* Various consonant medial types */
- OT_MR = 22, /* Various consonant medial types */
- OT_MW = 23, /* Various consonant medial types */
- OT_MY = 24, /* Various consonant medial types */
- OT_PT = 25, /* Pwo and other tones */
- OT_VAbv = 26,
- OT_VBlw = 27,
- OT_VPre = 28,
- OT_VPst = 29,
- OT_VS = 30, /* Variation selectors */
- OT_P = 31 /* Punctuation */
-};
-
-
-static inline bool
-is_one_of (const hb_glyph_info_t &info, unsigned int flags)
-{
- /* If it ligated, all bets are off. */
- if (_hb_glyph_info_ligated (&info)) return false;
- return !!(FLAG_SAFE (info.myanmar_category()) & flags);
-}
-
-static inline bool
-is_consonant (const hb_glyph_info_t &info)
-{
- return is_one_of (info, CONSONANT_FLAGS);
-}
-
-
-static inline void
-set_myanmar_properties (hb_glyph_info_t &info)
-{
- hb_codepoint_t u = info.codepoint;
- unsigned int type = hb_indic_get_categories (u);
- indic_category_t cat = (indic_category_t) (type & 0x7Fu);
- indic_position_t pos = (indic_position_t) (type >> 8);
-
- /* Myanmar
- * http://www.microsoft.com/typography/OpenTypeDev/myanmar/intro.htm#analyze
- */
- if (unlikely (hb_in_range (u, 0xFE00u, 0xFE0Fu)))
- cat = (indic_category_t) OT_VS;
-
- switch (u)
- {
- case 0x104Eu:
- cat = (indic_category_t) OT_C; /* The spec says C, IndicSyllableCategory doesn't have. */
- break;
-
- case 0x002Du: case 0x00A0u: case 0x00D7u: case 0x2012u:
- case 0x2013u: case 0x2014u: case 0x2015u: case 0x2022u:
- case 0x25CCu: case 0x25FBu: case 0x25FCu: case 0x25FDu:
- case 0x25FEu:
- cat = (indic_category_t) OT_GB;
- break;
-
- case 0x1004u: case 0x101Bu: case 0x105Au:
- cat = (indic_category_t) OT_Ra;
- break;
-
- case 0x1032u: case 0x1036u:
- cat = (indic_category_t) OT_A;
- break;
-
- case 0x1039u:
- cat = (indic_category_t) OT_H;
- break;
-
- case 0x103Au:
- cat = (indic_category_t) OT_As;
- break;
-
- case 0x1041u: case 0x1042u: case 0x1043u: case 0x1044u:
- case 0x1045u: case 0x1046u: case 0x1047u: case 0x1048u:
- case 0x1049u: case 0x1090u: case 0x1091u: case 0x1092u:
- case 0x1093u: case 0x1094u: case 0x1095u: case 0x1096u:
- case 0x1097u: case 0x1098u: case 0x1099u:
- cat = (indic_category_t) OT_D;
- break;
-
- case 0x1040u:
- cat = (indic_category_t) OT_D; /* XXX The spec says D0, but Uniscribe doesn't seem to do. */
- break;
-
- case 0x103Eu: case 0x1060u:
- cat = (indic_category_t) OT_MH;
- break;
-
- case 0x103Cu:
- cat = (indic_category_t) OT_MR;
- break;
-
- case 0x103Du: case 0x1082u:
- cat = (indic_category_t) OT_MW;
- break;
-
- case 0x103Bu: case 0x105Eu: case 0x105Fu:
- cat = (indic_category_t) OT_MY;
- break;
-
- case 0x1063u: case 0x1064u: case 0x1069u: case 0x106Au:
- case 0x106Bu: case 0x106Cu: case 0x106Du: case 0xAA7Bu:
- cat = (indic_category_t) OT_PT;
- break;
-
- case 0x1038u: case 0x1087u: case 0x1088u: case 0x1089u:
- case 0x108Au: case 0x108Bu: case 0x108Cu: case 0x108Du:
- case 0x108Fu: case 0x109Au: case 0x109Bu: case 0x109Cu:
- cat = (indic_category_t) OT_SM;
- break;
-
- case 0x104Au: case 0x104Bu:
- cat = (indic_category_t) OT_P;
- break;
-
- case 0xAA74u: case 0xAA75u: case 0xAA76u:
- /* https://github.com/roozbehp/unicode-data/issues/3 */
- cat = (indic_category_t) OT_C;
- break;
- }
-
- if (cat == OT_M)
- {
- switch ((int) pos)
- {
- case POS_PRE_C: cat = (indic_category_t) OT_VPre;
- pos = POS_PRE_M; break;
- case POS_ABOVE_C: cat = (indic_category_t) OT_VAbv; break;
- case POS_BELOW_C: cat = (indic_category_t) OT_VBlw; break;
- case POS_POST_C: cat = (indic_category_t) OT_VPst; break;
- }
- }
-
- info.myanmar_category() = (myanmar_category_t) cat;
- info.myanmar_position() = pos;
-}
-
-
-
static void
setup_masks_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
hb_buffer_t *buffer,
hb_buffer_t *buffer)
{
find_syllables (buffer);
+ foreach_syllable (buffer, start, end)
+ buffer->unsafe_to_break (start, end);
}
static int
{
continue;
}
+ if (info[i].myanmar_category() == OT_VS)
+ {
+ info[i].myanmar_position() = info[i - 1].myanmar_position();
+ continue;
+ }
if (pos == POS_AFTER_MAIN && info[i].myanmar_category() == OT_VBlw)
{
* generic shaper, except that it zeros mark advances GDEF_LATE. */
const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_old =
{
- "default",
- NULL, /* collect_features */
- NULL, /* override_features */
- NULL, /* data_create */
- NULL, /* data_destroy */
- NULL, /* preprocess_text */
- NULL, /* postprocess_glyphs */
+ nullptr, /* collect_features */
+ nullptr, /* override_features */
+ nullptr, /* data_create */
+ nullptr, /* data_destroy */
+ nullptr, /* preprocess_text */
+ nullptr, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
- NULL, /* decompose */
- NULL, /* compose */
- NULL, /* setup_masks */
- NULL, /* disable_otl */
+ nullptr, /* decompose */
+ nullptr, /* compose */
+ nullptr, /* setup_masks */
+ nullptr, /* disable_otl */
+ nullptr, /* reorder_marks */
HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
true, /* fallback_position */
};
const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
{
- "myanmar",
collect_features_myanmar,
override_features_myanmar,
- NULL, /* data_create */
- NULL, /* data_destroy */
- NULL, /* preprocess_text */
- NULL, /* postprocess_glyphs */
+ nullptr, /* data_create */
+ nullptr, /* data_destroy */
+ nullptr, /* preprocess_text */
+ nullptr, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
- NULL, /* decompose */
- NULL, /* compose */
+ nullptr, /* decompose */
+ nullptr, /* compose */
setup_masks_myanmar,
- NULL, /* disable_otl */
+ nullptr, /* disable_otl */
+ nullptr, /* reorder_marks */
HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
false, /* fallback_position */
};