Catch null colour exception

diff --git a/src/MCview/PDBCanvas.java b/src/MCview/PDBCanvas.java
index 70f959f..17db1a0 100755 (executable)
--- a/src/MCview/PDBCanvas.java
+++ b/src/MCview/PDBCanvas.java
@@ -492,6 +492,8 @@ public class PDBCanvas extends JPanel implements MouseListener, MouseMotionListe
             {\r
               tmp.startCol = seqcanvas.getSequenceRenderer().\r
                   getResidueBoxColour( sequence, index);\r
+              if(tmp.startCol==null)\r
+                tmp.startCol = Color.white;\r
 \r
               tmp.startCol = seqcanvas.getFeatureRenderer().\r
                   findFeatureColour(tmp.startCol, sequence, index);\r
@@ -508,6 +510,8 @@ public class PDBCanvas extends JPanel implements MouseListener, MouseMotionListe
             {\r
               tmp.endCol = seqcanvas.getSequenceRenderer().\r
                   getResidueBoxColour( sequence, index);\r
+              if(tmp.endCol==null)\r
+                tmp.endCol = Color.white;\r
               tmp.endCol = seqcanvas.getFeatureRenderer().\r
                   findFeatureColour(tmp.endCol, sequence, index);\r
             }\r