diff options
Diffstat (limited to 'src/sfnt/ttload.c')
| -rw-r--r-- | src/sfnt/ttload.c | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/src/sfnt/ttload.c b/src/sfnt/ttload.c index fbe70f7..0a3cd29 100644 --- a/src/sfnt/ttload.c +++ b/src/sfnt/ttload.c @@ -236,7 +236,8 @@ */ if ( table.Length < 0x36 ) { - FT_TRACE2(( "check_table_dir: `head' table too small\n" )); + FT_TRACE2(( "check_table_dir:" + " `head' or `bhed' table too small\n" )); error = FT_THROW( Table_Missing ); goto Exit; } @@ -246,12 +247,8 @@ goto Exit; if ( magic != 0x5F0F3CF5UL ) - { FT_TRACE2(( "check_table_dir:" - " no magic number found in `head' table\n")); - error = FT_THROW( Table_Missing ); - goto Exit; - } + " invalid magic number in `head' or `bhed' table\n")); if ( FT_STREAM_SEEK( offset + ( nn + 1 ) * 16 ) ) goto Exit; @@ -394,8 +391,8 @@ { entry->Tag = FT_GET_TAG4(); entry->CheckSum = FT_GET_ULONG(); - entry->Offset = FT_GET_LONG(); - entry->Length = FT_GET_LONG(); + entry->Offset = FT_GET_ULONG(); + entry->Length = FT_GET_ULONG(); /* ignore invalid tables */ if ( entry->Offset + entry->Length > stream->size ) @@ -1006,7 +1003,8 @@ FT_FRAME_END }; - static const FT_Frame_Field os2_fields_extra[] = + /* `OS/2' version 1 and newer */ + static const FT_Frame_Field os2_fields_extra1[] = { FT_FRAME_START( 8 ), FT_FRAME_ULONG( ulCodePageRange1 ), @@ -1014,6 +1012,7 @@ FT_FRAME_END }; + /* `OS/2' version 2 and newer */ static const FT_Frame_Field os2_fields_extra2[] = { FT_FRAME_START( 10 ), @@ -1025,6 +1024,15 @@ FT_FRAME_END }; + /* `OS/2' version 5 and newer */ + static const FT_Frame_Field os2_fields_extra5[] = + { + FT_FRAME_START( 4 ), + FT_FRAME_USHORT( usLowerOpticalPointSize ), + FT_FRAME_USHORT( usUpperOpticalPointSize ), + FT_FRAME_END + }; + /* We now support old Mac fonts where the OS/2 table doesn't */ /* exist. Simply put, we set the `version' field to 0xFFFF */ @@ -1038,18 +1046,20 @@ if ( FT_STREAM_READ_FIELDS( os2_fields, os2 ) ) goto Exit; - os2->ulCodePageRange1 = 0; - os2->ulCodePageRange2 = 0; - os2->sxHeight = 0; - os2->sCapHeight = 0; - os2->usDefaultChar = 0; - os2->usBreakChar = 0; - os2->usMaxContext = 0; + os2->ulCodePageRange1 = 0; + os2->ulCodePageRange2 = 0; + os2->sxHeight = 0; + os2->sCapHeight = 0; + os2->usDefaultChar = 0; + os2->usBreakChar = 0; + os2->usMaxContext = 0; + os2->usLowerOpticalPointSize = 0; + os2->usUpperOpticalPointSize = 0xFFFF; if ( os2->version >= 0x0001 ) { /* only version 1 tables */ - if ( FT_STREAM_READ_FIELDS( os2_fields_extra, os2 ) ) + if ( FT_STREAM_READ_FIELDS( os2_fields_extra1, os2 ) ) goto Exit; if ( os2->version >= 0x0002 ) @@ -1057,6 +1067,13 @@ /* only version 2 tables */ if ( FT_STREAM_READ_FIELDS( os2_fields_extra2, os2 ) ) goto Exit; + + if ( os2->version >= 0x0005 ) + { + /* only version 5 tables */ + if ( FT_STREAM_READ_FIELDS( os2_fields_extra5, os2 ) ) + goto Exit; + } } } @@ -1164,6 +1181,7 @@ FT_FRAME_USHORT( Style ), FT_FRAME_USHORT( TypeFamily ), FT_FRAME_USHORT( CapHeight ), + FT_FRAME_USHORT( SymbolSet ), FT_FRAME_BYTES ( TypeFace, 16 ), FT_FRAME_BYTES ( CharacterComplement, 8 ), FT_FRAME_BYTES ( FileName, 6 ), |