* src/truetype/ttinterp.c (Ins_IP): Handle case `org_dist == 0'

17 years ago · d77e72295e
parent 4c3cc76ba0
commit d77e72295e
2 changed files with 12 additions and 3 deletions
--- a/5
+++ b/5
@ -1,3 +1,8 @@
+2008-06-06  Werner Lemberg  <wl@gnu.org>
+
+	* src/truetype/ttinterp.c (Ins_IP): Handle case `org_dist == 0'
+	correctly.  This fixes glyphs `t' and `h' of Arial Narrow at 12ppem.
+
 2008-06-03  Werner Lemberg  <wl@gnu.org>

 	* include/freetype/ftcache.h (FTC_FaceID): Change type back to
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@ -6232,9 +6232,13 @@
        org_dist = CUR_Func_dualproj( &CUR.zp2.orus[point], orus_base );

      cur_dist = CUR_Func_project ( &CUR.zp2.cur[point], cur_base );
-      new_dist = ( old_range != 0 )
-                   ? TT_MULDIV( org_dist, cur_range, old_range )
-                   : cur_dist;
+
+      if ( org_dist )
+        new_dist = ( old_range != 0 )
+                     ? TT_MULDIV( org_dist, cur_range, old_range )
+                     : cur_dist;
+      else
+        new_dist = 0;

      CUR_Func_move( &CUR.zp2, (FT_UShort)point, new_dist - cur_dist );
    }