Enabled for all shapers except for Indic.
NULL, /* override_features */
NULL, /* normalization_preference */
setup_masks_arabic,
+ true, /* zero_width_marks */
};
override_features_indic,
NULL, /* normalization_preference */
setup_masks_indic,
+ false, /* zero_width_marks */
};
NULL, /* override_features */
normalization_preference_default,
NULL, /* setup_masks */
+ true, /* zero_width_marks */
};
NULL, /* override_features */
NULL, /* normalization_preference */
setup_masks_thai,
+ true, /* zero_width_marks */
};
const hb_ot_map_t *map,
hb_buffer_t *buffer,
hb_font_t *font);
+
+ bool zero_width_marks;
};
#define HB_COMPLEX_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_complex_shaper_t _hb_ot_complex_shaper_##name;
}
static void
+hb_zero_mark_advances (hb_ot_shape_context_t *c)
+{
+ unsigned int count = c->buffer->len;
+ for (unsigned int i = 0; i < count; i++)
+ if (c->buffer->info[i].glyph_props() & HB_OT_LAYOUT_GLYPH_CLASS_MARK)
+ {
+ c->buffer->pos[i].x_advance = 0;
+ c->buffer->pos[i].y_advance = 0;
+ }
+}
+
+static void
hb_ot_position_complex (hb_ot_shape_context_t *c)
{
c->applied_position_complex = true;
}
+ if (c->plan->shaper->zero_width_marks)
+ hb_zero_mark_advances (c);
+
hb_ot_layout_position_finish (c->font, c->buffer);
return;