X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FHiddenColumns.java;h=f0d99e5ab6cc0970998dab4c23829dc4b752710d;hb=refs%2Fheads%2Fbug%2FJAL-2386groupConservationColouring;hp=3685ab0ededfb7c249f412b1bdce9e7d67cf99f0;hpb=6531bb7bf6ec98d23eb2143136482f87566c74a7;p=jalview.git

diff --git a/src/jalview/datamodel/HiddenColumns.java b/src/jalview/datamodel/HiddenColumns.java
index 3685ab0..f0d99e5 100644
--- a/src/jalview/datamodel/HiddenColumns.java
+++ b/src/jalview/datamodel/HiddenColumns.java
@@ -4,6 +4,7 @@ import jalview.util.Comparison;
 import jalview.util.ShiftList;
 
 import java.util.ArrayList;
+import java.util.BitSet;
 import java.util.Collections;
 import java.util.List;
 import java.util.Vector;
@@ -1262,4 +1263,37 @@ public class HiddenColumns
     return hashCode;
   }
 
+  /**
+   * Hide columns corresponding to the marked bits
+   * 
+   * @param inserts
+   *          - columns map to bits starting from zero
+   */
+  public void hideMarkedBits(BitSet inserts)
+  {
+    for (int firstSet = inserts.nextSetBit(0), lastSet = 0; firstSet >= 0; firstSet = inserts
+            .nextSetBit(lastSet))
+    {
+      lastSet = inserts.nextClearBit(firstSet);
+      hideColumns(firstSet, lastSet - 1);
+    }
+  }
+
+  /**
+   * 
+   * @param inserts
+   *          BitSet where hidden columns will be marked
+   */
+  public void markHiddenRegions(BitSet inserts)
+  {
+    if (hiddenColumns == null)
+    {
+      return;
+    }
+    for (int[] range : hiddenColumns)
+    {
+      inserts.set(range[0], range[1] + 1);
+    }
+  }
+
 }