Revert "[truetype] Speed up variation IUP."

This reverts commit 1e4496c54c.
6 years ago · dfa86d65e5
parent 61d50756b6
commit dfa86d65e5
2 changed files with 7 additions and 18 deletions
--- a/4
+++ b/4
@ -1,3 +1,7 @@
+2018-11-03  Alexei Podtelezhnikov  <apodtele@gmail.com>
+
+	Revert due to specs: [truetype] Speed up variation IUP.
+
 2018-11-02  Alexei Podtelezhnikov  <apodtele@gmail.com>

 	* src/truetype/ttgxvar.c (ft_var_get_item_delta): Fixed logic.
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@ -3514,25 +3514,10 @@

      /* If the reference points have the same coordinate but different */
      /* delta, inferred delta is zero.  Otherwise interpolate.         */
-      if ( in1 == in2 || out1 == out2 )
+      if ( in1 != in2 || out1 == out2 )
      {
-        for ( p = p1; p <= p2; p++ )
-        {
-          out = in_points[p].x;
-
-          if ( out <= in1 )
-            out += d1;
-          else if ( out >= in2 )
-            out += d2;
-          else
-            out = out1;
-
-          out_points[p].x = out;
-        }
-      }
-      else
-      {
-        FT_Fixed  scale = FT_DivFix( out2 - out1, in2 - in1 );
+        FT_Fixed  scale = in1 != in2 ? FT_DivFix( out2 - out1, in2 - in1 )
+                                     : 0;


        for ( p = p1; p <= p2; p++ )