diff options
author | Liang Qi <liang.qi@qt.io> | 2019-02-08 14:27:19 +0000 |
---|---|---|
committer | The Qt Project <gerrit-noreply@qt-project.org> | 2019-02-08 14:27:19 +0000 |
commit | 26ebdeff75d9f0f7b1ca2f82c35d7eaa013c0982 (patch) | |
tree | 88626bb5c88436b0e206907f15224bb035481f6b /src/3rdparty/freetype/src/otvalid/otvcommn.c | |
parent | 30178a22ffde5d216a350910668df0d906aced3b (diff) | |
parent | fbfacd33be482fa3cf0aa5cffaf7006d538a2f92 (diff) |
Merge "Merge remote-tracking branch 'origin/5.12' into 5.13" into refs/staging/5.13
Diffstat (limited to 'src/3rdparty/freetype/src/otvalid/otvcommn.c')
-rw-r--r-- | src/3rdparty/freetype/src/otvalid/otvcommn.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/src/3rdparty/freetype/src/otvalid/otvcommn.c b/src/3rdparty/freetype/src/otvalid/otvcommn.c index 103ffba3e8..0ccfb03c08 100644 --- a/src/3rdparty/freetype/src/otvalid/otvcommn.c +++ b/src/3rdparty/freetype/src/otvalid/otvcommn.c @@ -4,7 +4,7 @@ /* */ /* OpenType common tables validation (body). */ /* */ -/* Copyright 2004-2015 by */ +/* Copyright 2004-2018 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -68,7 +68,7 @@ OTV_LIMIT_CHECK( GlyphCount * 2 ); /* GlyphArray */ - for ( i = 0; i < GlyphCount; ++i ) + for ( i = 0; i < GlyphCount; i++ ) { FT_UInt gid; @@ -313,19 +313,26 @@ OTV_NAME_ENTER( "Device" ); - OTV_LIMIT_CHECK( 8 ); + OTV_LIMIT_CHECK( 6 ); StartSize = FT_NEXT_USHORT( p ); EndSize = FT_NEXT_USHORT( p ); DeltaFormat = FT_NEXT_USHORT( p ); - if ( DeltaFormat < 1 || DeltaFormat > 3 ) - FT_INVALID_FORMAT; + if ( DeltaFormat == 0x8000U ) + { + /* VariationIndex, nothing to do */ + } + else + { + if ( DeltaFormat < 1 || DeltaFormat > 3 ) + FT_INVALID_FORMAT; - if ( EndSize < StartSize ) - FT_INVALID_DATA; + if ( EndSize < StartSize ) + FT_INVALID_DATA; - count = EndSize - StartSize + 1; - OTV_LIMIT_CHECK( ( 1 << DeltaFormat ) * count / 8 ); /* DeltaValue */ + count = EndSize - StartSize + 1; + OTV_LIMIT_CHECK( ( 1 << DeltaFormat ) * count / 8 ); /* DeltaValue */ + } OTV_EXIT; } @@ -347,7 +354,7 @@ OTV_Validator otvalid ) { FT_Bytes p = table; - FT_UInt LookupType, SubTableCount; + FT_UInt LookupType, LookupFlag, SubTableCount; OTV_Validate_Func validate; @@ -355,7 +362,7 @@ OTV_LIMIT_CHECK( 6 ); LookupType = FT_NEXT_USHORT( p ); - p += 2; /* skip LookupFlag */ + LookupFlag = FT_NEXT_USHORT( p ); SubTableCount = FT_NEXT_USHORT( p ); OTV_TRACE(( " (type %d)\n", LookupType )); @@ -373,6 +380,9 @@ for ( ; SubTableCount > 0; SubTableCount-- ) validate( table + FT_NEXT_USHORT( p ), otvalid ); + if ( LookupFlag & 0x10 ) + OTV_LIMIT_CHECK( 2 ); /* MarkFilteringSet */ + OTV_EXIT; } |