Changeset 41675

Timestamp:

Jul 1, 2021, 1:57:07 PM (5 years ago)

Author:

eugene

Message:

NAN values for X,Y mean retain the existing value

File:

• trunk/Ohana/src/kapa2/src/Center.c (modified) (1 diff)

trunk/Ohana/src/kapa2/src/Center.c

@@ -17 +17 @@
 
   // enforce integer center here?
-  image[0].picture.Xc = X;
-  image[0].picture.Yc = Y;
+  // NAN value means retain existing center
+  if (isfinite(X)) image[0].picture.Xc = X;
+  if (isfinite(Y)) image[0].picture.Yc = Y;
   if ((zoom != 0) && (zoom != -1)) {
     image[0].picture.expand = zoom;