X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Fjalview%2Fapi%2FFeatureRenderer.java;h=404c49725c5724ef70ddb46af04b6d5b25098505;hb=a3ca1aac6c00fc2240fa21be9df43adcc1b964ff;hp=ead84fa112179814ea08f4b204ac70d8a35303cc;hpb=ef14d83cfe8ca0bb2271d50d638516cdc90c2b8b;p=jalview.git

diff --git a/src/jalview/api/FeatureRenderer.java b/src/jalview/api/FeatureRenderer.java
index ead84fa..404c497 100644
--- a/src/jalview/api/FeatureRenderer.java
+++ b/src/jalview/api/FeatureRenderer.java
@@ -226,7 +226,7 @@ public interface FeatureRenderer
   FeatureMatcherSetI getFeatureFilter(String featureType);
 
   /**
-   * Answers a shallow copy of the feature filters map
+   * Answers the feature filters map
    * 
    * @return
    */
@@ -255,14 +255,29 @@ public interface FeatureRenderer
    * <p>
    * Returns null if
    * <ul>
-   * <li>feature type is not visible, or</li>
    * <li>feature group is not visible, or</li>
    * <li>feature values lie outside any colour threshold, or</li>
    * <li>feature is excluded by filter conditions</li>
    * </ul>
+   * This method does not check feature type visibility.
    * 
    * @param feature
    * @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);
 }