ref: 67994e8221b4ffa6bfd24075c64f8af618ca9495
parent: fab10b6fc2091df6bde50e132f7b4bd7bca97c9f
author: Werner Lemberg <[email protected]>
date: Sat Jun 2 15:51:03 EDT 2018
* src/truetype/ttinterp.c (Ins_MIRP): Use SUB_LONG; avoid FT_ABS. Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8706
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
2018-06-02 Werner Lemberg <[email protected]>
+ * src/truetype/ttinterp.c (Ins_MIRP): Use SUB_LONG; avoid FT_ABS.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8706
+
+2018-06-02 Werner Lemberg <[email protected]>
+
* src/autofit/afwarp.h: Use AF_CONFIG_OPTION_USE_WARPER (#54033).
2018-05-31 Werner Lemberg <[email protected]>
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -6189,7 +6189,9 @@
FT_Bool reverse_move = FALSE;
#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+ FT_F26Dot6 delta;
+
minimum_distance = exc->GS.minimum_distance;
control_value_cutin = exc->GS.control_value_cutin;
point = (FT_UShort)args[0];
@@ -6221,8 +6223,11 @@
/* single width test */
- if ( FT_ABS( cvt_dist - exc->GS.single_width_value ) <
- exc->GS.single_width_cutin )
+ delta = SUB_LONG( cvt_dist, exc->GS.single_width_value );
+ if ( delta < 0 )
+ delta = NEG_LONG( delta );
+
+ if ( delta < exc->GS.single_width_cutin )
{if ( cvt_dist >= 0 )
cvt_dist = exc->GS.single_width_value;
@@ -6276,9 +6281,6 @@
if ( exc->GS.gep0 == exc->GS.gep1 )
{- FT_F26Dot6 delta;
-
-
/* XXX: According to Greg Hitchcock, the following wording is */
/* the right one: */
/* */
@@ -6313,9 +6315,6 @@
exc->ignore_x_mode &&
exc->GS.gep0 == exc->GS.gep1 )
{- FT_F26Dot6 delta;
-
-
delta = SUB_LONG( cvt_dist, org_dist );
if ( delta < 0 )
delta = NEG_LONG( delta );