JAL-2348 make debug message reporting renderer used to be optional

diff --git a/src/jalview/renderer/AnnotationRenderer.java b/src/jalview/renderer/AnnotationRenderer.java
index 18cc627..1928ba3 100644 (file)
--- a/src/jalview/renderer/AnnotationRenderer.java
+++ b/src/jalview/renderer/AnnotationRenderer.java
@@ -1049,9 +1049,21 @@ public class AnnotationRenderer
                       hasHiddenColumns, av, columnSelection, row,
                       row_annotations, startRes, endRes, row.graphMin,
                       row.graphMax, y);
-              System.err.println("rendered with "
-                      + renderer.getClass().toString());
             }
+            if (debugRedraw)
+            {
+              if (renderer == null)
+              {
+                System.err.println("No renderer found for "
+                        + row.toString());
+              }
+              else
+              {
+                System.err.println("rendered with "
+                        + renderer.getClass().toString());
+              }
+            }
+
           }
         }
       }