diff options
Diffstat (limited to 'pango/opentype/ftxopen.c')
| -rw-r--r-- | pango/opentype/ftxopen.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/pango/opentype/ftxopen.c b/pango/opentype/ftxopen.c index ba605bd7..5d9cfad3 100644 --- a/pango/opentype/ftxopen.c +++ b/pango/opentype/ftxopen.c @@ -584,6 +584,8 @@ TTO_SubTable* st; + Bool is_extension = FALSE; + base_offset = FILE_Pos(); @@ -603,6 +605,10 @@ st = l->SubTable; + if ( ( type == GSUB && l->LookupType == GSUB_LOOKUP_EXTENSION ) || + ( type == GPOS && l->LookupType == GPOS_LOOKUP_EXTENSION ) ) + is_extension = TRUE; + for ( n = 0; n < count; n++ ) { if ( ACCESS_Frame( 2L ) ) @@ -613,6 +619,19 @@ FORGET_Frame(); cur_offset = FILE_Pos(); + + if ( is_extension ) + { + if ( FILE_Seek( new_offset ) || ACCESS_Frame( 8L ) ) + goto Fail; + + (void)GET_UShort(); /* format should be 1 */ + l->LookupType = GET_UShort(); + new_offset = GET_ULong() + base_offset; + + FORGET_Frame(); + } + if ( FILE_Seek( new_offset ) || ( error = Load_SubTable( &st[n], stream, type, l->LookupType ) ) != TT_Err_Ok ) |