*/
package jalview.api;
+import jalview.datamodel.MappedFeatures;
import jalview.datamodel.SequenceFeature;
import jalview.datamodel.SequenceI;
import jalview.datamodel.features.FeatureMatcherSetI;
/**
* Returns features at the specified residue positions on the given sequence.
- * Non-positional features are not included.
+ * Non-positional features are not included. Features are returned in render
+ * order of their feature type (last is on top). Within feature type, ordering
+ * is undefined.
*
* @param sequence
* @param fromResNo
* @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);
+
+ /**
+ * Answers a bean containing a mapping, and a list of visible features in this
+ * alignment at a position (or range) which is mappable from the given sequence
+ * residue position in a mapped alignment. Features are returned in render order
+ * of feature type (on top last), with order within feature type undefined. If
+ * no features or mapping are found, answers null.
+ *
+ * @param sequence
+ * @param pos
+ * @return
+ */
+ MappedFeatures findComplementFeaturesAtResidue(SequenceI sequence, int pos);
+
+ /**
+ * Sends a message to let any registered parties know that something about
+ * feature rendering has changed
+ */
+ void notifyFeaturesChanged();
+
}