int hiddenOffset = viewport.getSelectionGroup().getStartRes();
int hiddenCutoff = viewport.getSelectionGroup().getEndRes();
ArrayList<int[]> hiddenRegions = viewport.getAlignment()
- .getHiddenColumns().getHiddenColumnsCopyAsList();
+ .getHiddenColumns().getHiddenColumnsCopy();
for (int[] region : hiddenRegions)
{
if (region[0] >= hiddenOffset && region[1] <= hiddenCutoff)