import jalview.datamodel.SequenceI;
import java.awt.Color;
-import java.util.Hashtable;
import java.util.List;
import java.util.Map;
public interface FeatureRenderer
{
+ /**
+ * compute the perceived colour for a given column position in sequenceI,
+ * taking transparency and feature visibility into account.
+ *
+ * @param col
+ * - background colour (due to alignment/group shading schemes, etc).
+ * @param sequenceI
+ * - sequence providing features
+ * @param r
+ * - column position
+ * @return
+ */
Color findFeatureColour(Color col, SequenceI sequenceI, int r);
+ /**
+ * trigger the feature discovery process for a newly created feature renderer.
+ */
void featuresAdded();
+ /**
+ *
+ * @param ft
+ * @return display style for a feature
+ */
Object getFeatureStyle(String ft);
+ /**
+ * update the feature style for a particular feature
+ *
+ * @param ft
+ * @param ggc
+ * - currently allows java.awt.Color and
+ * jalview.schemes.GraduatedColor
+ */
void setColour(String ft, Object ggc);
AlignViewportI getViewport();
+ /**
+ *
+ * @return container managing list of feature types and their visibility
+ */
FeaturesDisplayedI getFeaturesDisplayed();
+ /**
+ * get display style for all features types - visible or invisible
+ *
+ * @return
+ */
Map<String,Object> getFeatureColours();
+ /**
+ * query the alignment view to find all features
+ *
+ * @param newMadeVisible
+ * - when true, automatically make newly discovered types visible
+ */
void findAllFeatures(boolean newMadeVisible);
+ /**
+ * get display style for all features types currently visible
+ *
+ * @return
+ */
Map<String,Object> getDisplayedFeatureCols();
+ /**
+ * get all registered groups
+ *
+ * @return
+ */
List<String> getFeatureGroups();
+ /**
+ * get groups that are visible/invisible
+ *
+ * @param visible
+ * @return
+ */
List<String> getGroups(boolean visible);
+ /**
+ * change visibility for a range of groups
+ *
+ * @param toset
+ * @param visible
+ */
void setGroupVisibility(List<String> toset, boolean visible);
+ /**
+ * change visibiilty of given group
+ *
+ * @param group
+ * @param visible
+ */
void setGroupVisibility(String group, boolean visible);
+ /**
+ * locate features at a particular position on the given sequence
+ *
+ * @param sequence
+ * @param res
+ * @return
+ */
List<SequenceFeature> findFeaturesAtRes(SequenceI sequence, int res);
+ /**
+ *
+ * @return true if the rendering platform supports transparency
+ */
boolean isTransparencyAvailable();
+ /**
+ * get current displayed types
+ *
+ * @return
+ */
+
String[] getDisplayedFeatureTypes();
+ /**
+ * get current displayed groups
+ *
+ * @return
+ */
String[] getDisplayedFeatureGroups();
+ /**
+ * display all features of these types
+ *
+ * @param featureTypes
+ */
void setAllVisible(List<String> featureTypes);
+ /**
+ * display featureType
+ *
+ * @param featureType
+ */
void setVisible(String featureType);
}