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dwrite: Use joiner modes for matching. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2021-01-18 15:05:40 +03:00 committed by Alexandre Julliard
parent 8b419d29df
commit db55f74b3a
1 changed files with 10 additions and 0 deletions
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10
dlls/dwrite/opentype.c
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@ -479,6 +479,8 @@ enum glyph_prop_flags
GLYPH_PROP_BASE = LOOKUP_FLAG_IGNORE_BASE,
GLYPH_PROP_LIGATURE = LOOKUP_FLAG_IGNORE_LIGATURES,
GLYPH_PROP_MARK = LOOKUP_FLAG_IGNORE_MARKS,
GLYPH_PROP_ZWNJ = 0x10,
GLYPH_PROP_ZWJ = 0x20,
};
enum gpos_lookup_type
@ -3683,6 +3685,10 @@ static enum iterator_match glyph_iterator_may_skip(const struct glyph_iterator *
if (!lookup_is_glyph_match(iter->context, iter->pos, iter->flags))
return ITER_YES;
if ((iter->ignore_zwnj || !(iter->context->glyph_infos[iter->pos].props & GLYPH_PROP_ZWNJ)) &&
(iter->ignore_zwj || !(iter->context->glyph_infos[iter->pos].props & GLYPH_PROP_ZWJ)))
return ITER_MAYBE;
return ITER_NO;
}
@ -5723,6 +5729,10 @@ static void opentype_get_nominal_glyphs(struct scriptshaping_context *context, c
context->u.buffer.glyphs[g] = font->get_glyph(context->cache->context, codepoint);
context->u.buffer.glyph_props[g].justification = SCRIPT_JUSTIFY_CHARACTER;
opentype_set_subst_glyph_props(context, g);
if (codepoint == 0x200d)
context->glyph_infos[g].props |= GLYPH_PROP_ZWJ;
else if (codepoint == 0x200c)
context->glyph_infos[g].props |= GLYPH_PROP_ZWNJ;
/* Group diacritics with preceding base. Glyph class is ignored here. */
if (!g || !opentype_is_diacritic(codepoint))