X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FFeatureRenderer.java;fp=src%2Fjalview%2Fapi%2FFeatureRenderer.java;h=a9bbe31a73ae9a187b3ff0130e7863395dd77f66;hb=ca8504cf9d10874dce9f07cf7a9d933853fe0dd0;hp=59e3e61cb8945b6998b7cca47d60fa79458a8660;hpb=775e7bc104584e88dddcea73fbf02c66f5200c16;p=jalview.git

diff --git a/src/jalview/api/FeatureRenderer.java b/src/jalview/api/FeatureRenderer.java
index 59e3e61..a9bbe31 100644
--- a/src/jalview/api/FeatureRenderer.java
+++ b/src/jalview/api/FeatureRenderer.java
@@ -268,4 +268,19 @@ public interface FeatureRenderer
    * @return
    */
   Color getColour(SequenceFeature feature);
+
+  /**
+   * Answers true if feature would be shown, else false. A feature is shown if
+   * <ul>
+   * <li>its feature type is set to visible</li>
+   * <li>its feature group is either null, or set to visible</li>
+   * <li>it is not excluded by a colour threshold on score or other numeric
+   * attribute</li>
+   * <li>it is not excluded by a filter condition</li>
+   * </ul>
+   * 
+   * @param feature
+   * @return
+   */
+  boolean isVisible(SequenceFeature feature);
 }