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dwrite: Normalize glyph data before passing it to matching function. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-06-11 15:08:58 +03:00 committed by Alexandre Julliard
parent a6c0eab6de
commit cd9f374879
1 changed files with 4 additions and 2 deletions
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6
dlls/dwrite/opentype.c
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@ -3746,7 +3746,7 @@ static BOOL opentype_match_class_func(UINT16 glyph, UINT16 glyph_data, const str
static BOOL opentype_match_coverage_func(UINT16 glyph, UINT16 glyph_data, const struct match_data *data)
{
const struct match_context *mc = data->mc;
return opentype_layout_is_glyph_covered(&mc->context->table->table, data->subtable_offset + GET_BE_WORD(glyph_data), glyph)
return opentype_layout_is_glyph_covered(&mc->context->table->table, data->subtable_offset + glyph_data, glyph)
!= GLYPH_NOT_COVERED;
}
@ -3808,8 +3808,10 @@ static enum iterator_match glyph_iterator_may_match(const struct glyph_iterator
if (!(iter->mask & iter->context->glyph_infos[iter->pos].mask))
return ITER_NO;
/* Glyph data is used for input, backtrack, and lookahead arrays, swap it here instead of doing that
in all matching functions. */
if (iter->match_func)
return !!iter->match_func(iter->context->u.buffer.glyphs[iter->pos], *iter->glyph_data, iter->match_data);
return !!iter->match_func(iter->context->u.buffer.glyphs[iter->pos], GET_BE_WORD(*iter->glyph_data), iter->match_data);
return ITER_MAYBE;
}