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author | John Tapsell <john.tapsell.ext@basyskom.com> | 2012-03-08 23:10:30 (GMT) |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-03-12 11:51:07 (GMT) |
commit | 5bce44ef030a18d7ed3f6e3abf824d42ab84bf70 (patch) | |
tree | fb692b70b068b0aef340fe618e0a62767eb9952e /src/3rdparty/harfbuzz | |
parent | c5b2e8f28c6797ede0759379f110a330e26075c1 (diff) | |
download | Qt-5bce44ef030a18d7ed3f6e3abf824d42ab84bf70.zip Qt-5bce44ef030a18d7ed3f6e3abf824d42ab84bf70.tar.gz Qt-5bce44ef030a18d7ed3f6e3abf824d42ab84bf70.tar.bz2 |
Harfbuzz GPOS hinting- do not consider a subtable to be invalid if it is just empty
Considering a subtable to be invalid when it was empty meant that it
returned an error causing all further hinting to be aborted. This means
that we get no hinting in certain cases with certain fonts.
Change-Id: I840c016dc85935b4f2c4373c66a79b4bd8b3a30d
Reviewed-by: Adrian Yanes <ext-adrian.yanes@nokia.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>
Diffstat (limited to 'src/3rdparty/harfbuzz')
-rw-r--r-- | src/3rdparty/harfbuzz/src/harfbuzz-gpos.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-gpos.c b/src/3rdparty/harfbuzz/src/harfbuzz-gpos.c index 7bd3b3b..78f4c3a 100644 --- a/src/3rdparty/harfbuzz/src/harfbuzz-gpos.c +++ b/src/3rdparty/harfbuzz/src/harfbuzz-gpos.c @@ -1507,6 +1507,9 @@ static HB_Error Lookup_PairPos1( GPOS_Instance* gpi, if ( index >= ppf1->PairSetCount ) return ERR(HB_Err_Invalid_SubTable); + if (!ppf1->PairSet[index].PairValueCount) + return HB_Err_Not_Covered; + pvr = ppf1->PairSet[index].PairValueRecord; if ( !pvr ) return ERR(HB_Err_Invalid_SubTable); |