From 07bb283c9f2d5a1403964dc083c981d9b2e4919f Mon Sep 17 00:00:00 2001 From: Behdad Esfahbod Date: Mon, 21 Sep 2009 13:58:56 -0400 Subject: [HB] Add comment --- pango/opentype/hb-ot-layout-gsubgpos-private.hh | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/pango/opentype/hb-ot-layout-gsubgpos-private.hh b/pango/opentype/hb-ot-layout-gsubgpos-private.hh index fd9c7839..8b9b1cd4 100644 --- a/pango/opentype/hb-ot-layout-gsubgpos-private.hh +++ b/pango/opentype/hb-ot-layout-gsubgpos-private.hh @@ -219,6 +219,11 @@ static inline bool apply_lookup (APPLY_ARG_DEF, /* TODO We don't support lookupRecord arrays that are not increasing: * Should be easy for in_place ones at least. */ + + /* Note: If sublookup is reverse, i will underflow after the first loop + * and we jump out of it. Not entirely disastrous. So we don't check + * for reverse lookup here. + */ for (unsigned int i = 0; i < count; /* NOP */) { while (_hb_ot_layout_skip_mark (context->face, IN_CURINFO (), lookup_flag, NULL)) -- cgit v1.2.1