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[cff] Fix some Type 2 operators in old CFF engine. 

* src/cff/cffgload.c (cff_decoder_parse_charstrings): Fix `eq'
operator, add `not' and (unsupported) `blend' operators.
This commit is contained in:
Werner Lemberg 2016-02-06 08:03:03 +01:00
parent ae7c55d98e
commit 5c8a8cb54c
2 changed files with 31 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2016-02-06 Werner Lemberg <wl@gnu.org>
[cff] Fix some Type 2 operators in old CFF engine.
* src/cff/cffgload.c (cff_decoder_parse_charstrings): Fix `eq'
operator, add `not' and (unsupported) `blend' operators.
2016-02-05 Sebastian Rasmussen <sebras@gmail.com>
Make direct call of `make install' work (#47072).

25
src/cff/cffgload.c
View File

@ -2221,15 +2221,26 @@
break;
case cff_op_store:
/* this operator was removed from the Type2 specification */
/* in version 16-March-2000 */
FT_TRACE4(( " store\n"));
goto Unimplemented;
case cff_op_load:
/* this operator was removed from the Type2 specification */
/* in version 16-March-2000 */
FT_TRACE4(( " load\n" ));
goto Unimplemented;
case cff_op_blend:
/* this operator was removed from the Type2 specification */
/* in version 16-March-2000 */
FT_TRACE4(( " blend\n" ));
goto Unimplemented;
case cff_op_dotsection:
/* this operator is deprecated and ignored by the parser */
FT_TRACE4(( " dotsection\n" ));
@ -2358,11 +2369,23 @@
}
break;
case cff_op_eq:
case cff_op_not:
{
FT_Fixed cond = !args[0];
FT_TRACE4(( " not\n" ));
args[0] = cond ? 0x10000L : 0;
args++;
}
break;
case cff_op_eq:
{
FT_Fixed cond = args[0] == args[1];
FT_TRACE4(( " eq\n" ));
args[0] = cond ? 0x10000L : 0;