JAL-2591 More HiddenColumns refactoring. Tests passing.

[jalview.git] / src / jalview / appletgui / SeqCanvas.java

diff --git a/src/jalview/appletgui/SeqCanvas.java b/src/jalview/appletgui/SeqCanvas.java
index 94f1caa..d4bf49a 100755 (executable)
--- a/src/jalview/appletgui/SeqCanvas.java
+++ b/src/jalview/appletgui/SeqCanvas.java
@@ -570,7 +570,7 @@ public class SeqCanvas extends Panel implements ViewportListenerI
       if (av.hasHiddenColumns())
       {
         HiddenColumns hidden = av.getAlignment().getHiddenColumns();
-        for (int[] region : hidden)
+        for (int[] region : hidden.getHiddenColumnsCopyAsList())
         {
           int hideStart = region[0];
           int hideEnd = region[1];