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[aat] If shaping via morx, don't adjust mark positioning when zeroing widths.

This commit is contained in:
Jonathan Kew 2021-05-13 11:39:09 +01:00 committed by Behdad Esfahbod
parent 4f1e8d2bf7
commit bbc5fc3731
1 changed files with 7 additions and 1 deletions
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8
src/hb-ot-shape.cc
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@ -193,6 +193,12 @@ hb_ot_shape_planner_t::compile (hb_ot_shape_plan_t &plan,
script_fallback_mark_positioning; script_fallback_mark_positioning;
#ifndef HB_NO_AAT_SHAPE #ifndef HB_NO_AAT_SHAPE
/* If we're using morx shaping, we cancel mark position adjustment because
Apple Color Emoji assumes this will NOT be done when forming emoji sequences;
https://github.com/harfbuzz/harfbuzz/issues/2967. */
if (plan.apply_morx)
plan.adjust_mark_positioning_when_zeroing = false;
/* Currently we always apply trak. */ /* Currently we always apply trak. */
plan.apply_trak = plan.requested_tracking && hb_aat_layout_has_tracking (face); plan.apply_trak = plan.requested_tracking && hb_aat_layout_has_tracking (face);
#endif #endif
@ -1164,7 +1170,7 @@ _hb_ot_shape (hb_shape_plan_t *shape_plan,
* @lookup_indexes: (out): The #hb_set_t set of lookups returned * @lookup_indexes: (out): The #hb_set_t set of lookups returned
* *
* Computes the complete set of GSUB or GPOS lookups that are applicable * Computes the complete set of GSUB or GPOS lookups that are applicable
* under a given @shape_plan. * under a given @shape_plan.
* *
* Since: 0.9.7 * Since: 0.9.7
**/ **/