diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc index c7b7a5eba6..96f2494616 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc @@ -68,7 +68,7 @@ compose_hebrew (const hb_ot_shape_normalize_context_t *c, 0xFB4Au /* TAV */ }; - bool found = c->unicode->compose (a, b, ab); + bool found = (bool) c->unicode->compose (a, b, ab); if (!found && !c->plan->has_mark) { @@ -154,6 +154,18 @@ compose_hebrew (const hb_ot_shape_normalize_context_t *c, return found; } +static bool +disable_otl_hebrew (const hb_ot_shape_plan_t *plan) +{ + /* For Hebrew shaper, use fallback if GPOS does not have 'hebr' + * script. This matches Uniscribe better, and makes fonts like + * Arial that have GSUB/GPOS/GDEF but no data for Hebrew work. + * See: + * https://github.com/behdad/harfbuzz/issues/347#issuecomment-267838368 + */ + return plan->map.chosen_script[1] != HB_TAG ('h','e','b','r'); +} + const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew = { @@ -163,10 +175,12 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew = NULL, /* data_create */ NULL, /* data_destroy */ NULL, /* preprocess_text */ + NULL, /* postprocess_glyphs */ HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT, NULL, /* decompose */ compose_hebrew, NULL, /* setup_masks */ + disable_otl_hebrew, HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE, true, /* fallback_position */ }; |