X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FSequenceRenderer.java;h=d5d07ef956f9ba089dcf2a9b5f775c22bdaaf4ca;hb=eb2e3276b62ef033703f9b55bbddfdff3fe384df;hp=54f7fb667502e504fd6379d31fe1fedd5057a44d;hpb=a0bd24f90375fc1d4be619bf65746a912dfcfc89;p=jalview.git

diff --git a/src/jalview/api/SequenceRenderer.java b/src/jalview/api/SequenceRenderer.java
index 54f7fb6..d5d07ef 100644
--- a/src/jalview/api/SequenceRenderer.java
+++ b/src/jalview/api/SequenceRenderer.java
@@ -20,10 +20,12 @@
  */
 package jalview.api;
 
+import jalview.datamodel.SequenceGroup;
 import jalview.datamodel.SequenceI;
 import jalview.renderer.seqfeatures.FeatureColourFinder;
 
 import java.awt.Color;
+import java.awt.Graphics;
 
 public interface SequenceRenderer
 {
@@ -31,4 +33,19 @@ public interface SequenceRenderer
   Color getResidueColour(SequenceI seq, int position,
           FeatureColourFinder finder);
 
+  /**
+   * Configure the Graphics canvas and render options for the renderer
+   * @param g - the canvas to render to
+   * @param renderGaps - when true, gap characters will be included when rendered
+   *          
+   */
+  void prepare(Graphics g, boolean renderGaps);
+
+  void drawSequence(SequenceI nextSeq, SequenceGroup[] findAllGroups,
+          int startRes, int endRes, int i);
+
+  void drawHighlightedText(SequenceI nextSeq, int i, int j, int k, int l);
+
+  void drawCursor(Graphics g, char s, int i, int j);
+
 }