X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Futil%2FMappingUtils.java;h=915293e1da6f6963dc0650447930e79cee5654c6;hb=468df74e8febbe5066f9544bf7e0aa07311586ed;hp=b552c21413d761a427ed227c8876ffad801e5b7e;hpb=948bd3bcbacc509da0cefaae3eedd97300a6ccce;p=jalview.git

diff --git a/src/jalview/util/MappingUtils.java b/src/jalview/util/MappingUtils.java
index b552c21..915293e 100644
--- a/src/jalview/util/MappingUtils.java
+++ b/src/jalview/util/MappingUtils.java
@@ -1020,4 +1020,23 @@ public final class MappingUtils
       }
     }
   }
+
+  /**
+   * Converts a list of [start, end] ranges to a single array of [start, end,
+   * start, end ...]
+   * 
+   * @param ranges
+   * @return
+   */
+  public static int[] listToArray(List<int[]> ranges)
+  {
+    int[] result = new int[ranges.size() * 2];
+    int i = 0;
+    for (int[] range : ranges)
+    {
+      result[i++] = range[0];
+      result[i++] = range[1];
+    }
+    return result;
+  }
 }