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* src/cid/cidparse.c (cid_parser_new): Improve error message for 

Type 11 fonts.
Scan for `/sfnts' token.
This commit is contained in:
Werner Lemberg 2007-01-07 09:13:38 +00:00
parent e6b6f3733e
commit b8004d2e88
2 changed files with 29 additions and 15 deletions
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9
ChangeLog
View File

@ -1,7 +1,12 @@
2007-01-07 Werner Lemberg <wl@gnu.org>
* src/cid/cidparse.c (cid_parser_new): Reject Type 42 CID-keyed
fonts.
* src/cid/cidparse.c (cid_parser_new): Improve error message for
Type 11 fonts.
Scan for `/sfnts' token.
2007-01-07 Werner Lemberg <wl@gnu.org>
* src/cid/cidparse.c (cid_parser_new): Reject Type 11 fonts.
2007-01-06 Werner Lemberg <wl@gnu.org>

35
src/cid/cidparse.c
View File

@ -83,7 +83,8 @@
goto Exit;
Again:
/* now, read the rest of the file until we find a `StartData' */
/* now, read the rest of the file until we find */
/* `StartData' or `/sfnts' */
{
FT_Byte buffer[256 + 10];
FT_Int read_len = 256 + 10;
@ -92,7 +93,7 @@
for ( offset = (FT_ULong)FT_STREAM_POS(); ; offset += 256 )
{
FT_Int stream_len;
FT_Int stream_len;
stream_len = stream->size - FT_STREAM_POS();
@ -116,6 +117,11 @@
offset += p - buffer + 10;
goto Found;
}
else if ( p[1] == 's' && ft_strncmp( (char*)p, "/sfnts", 6 ) == 0 )
{
offset += p - buffer + 7;
goto Found;
}
}
FT_MEM_MOVE( buffer, p, 10 );
@ -125,8 +131,9 @@
}
Found:
/* We have found the start of the binary data. Now rewind and */
/* extract the frame corresponding to the PostScript section. */
/* We have found the start of the binary data or the `/sfnts' token. */
/* Now rewind and extract the frame corresponding to this PostScript */
/* section. */
ps_len = offset - base_offset;
if ( FT_STREAM_SEEK( base_offset ) ||
@ -140,9 +147,10 @@
parser->root.limit = parser->root.cursor + ps_len;
parser->num_dict = -1;
/* Finally, we check whether `StartData' was real -- it could be */
/* in a comment or string. We also get its arguments to find out */
/* whether the data is represented in binary or hex format. */
/* Finally, we check whether `StartData' or `/sfnts' was real -- */
/* it could be in a comment or string. We also get the arguments */
/* of `StartData' to find out whether the data is represented in */
/* binary or hex format. */
arg1 = parser->root.cursor;
cid_parser_skip_PS_token( parser );
@ -159,7 +167,7 @@
if ( parser->root.error )
break;
if ( *cur == 'S' && ft_strncmp( (char*)cur, "StartData", 9 ) == 0 )
if ( cur[0] == 'S' && ft_strncmp( (char*)cur, "StartData", 9 ) == 0 )
{
if ( ft_strncmp( (char*)arg1, "(Hex)", 5 ) == 0 )
parser->binary_length = ft_atol( (const char *)arg2 );
@ -168,6 +176,12 @@
cur = parser->root.cursor;
goto Exit;
}
else if ( cur[1] == 's' && ft_strncmp( (char*)cur, "/sfnts", 6 ) == 0 )
{
FT_TRACE2(( "cid_parser_new: cannot handle Type 11 fonts\n" ));
error = CID_Err_Unknown_File_Format;
goto Exit;
}
cid_parser_skip_PS_token( parser );
cid_parser_skip_spaces ( parser );
@ -183,11 +197,6 @@
goto Again;
Exit:
if ( !parser->postscript )
{
FT_TRACE2(( "[not a valid CID-keyed font]\n" ));
error = CID_Err_Unknown_File_Format;
}
return error;
}