X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fappletgui%2FSeqCanvas.java;h=821136fa448053f3bcf9a0c327dc787aee04efcf;hb=db93a1adcbe0a4eaaf06e0a70ade0d6c5c1961c3;hp=aec6e94171f850e6b6917b590fc4ef30d9142678;hpb=838e4f91d4a53dd315640dbc9ff6ef7a815ee576;p=jalview.git

diff --git a/src/jalview/appletgui/SeqCanvas.java b/src/jalview/appletgui/SeqCanvas.java
index aec6e94..821136f 100755
--- a/src/jalview/appletgui/SeqCanvas.java
+++ b/src/jalview/appletgui/SeqCanvas.java
@@ -1,5 +1,5 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9.0b1)
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9.0b2)
  * Copyright (C) 2015 The Jalview Authors
  * 
  * This file is part of Jalview.
@@ -24,6 +24,8 @@ import jalview.datamodel.AlignmentI;
 import jalview.datamodel.SearchResults;
 import jalview.datamodel.SequenceGroup;
 import jalview.datamodel.SequenceI;
+import jalview.renderer.ScaleRenderer;
+import jalview.renderer.ScaleRenderer.ScaleMark;
 import jalview.viewmodel.AlignmentViewport;
 
 import java.awt.Color;
@@ -90,26 +92,29 @@ public class SeqCanvas extends Panel
 
   private void drawNorthScale(Graphics g, int startx, int endx, int ypos)
   {
-    int scalestartx = startx - startx % 10 + 10;
-
+    updateViewport();
     g.setColor(Color.black);
-
-    // NORTH SCALE
-    for (int i = scalestartx; i < endx; i += 10)
+    for (ScaleMark mark : new ScaleRenderer().calculateMarks(av, startx,
+            endx))
     {
-      int value = i;
-      if (av.hasHiddenColumns())
+      int mpos = mark.column; // (i - startx - 1)
+      if (mpos < 0)
       {
-        value = av.getColumnSelection().adjustForHiddenColumns(value);
+        continue;
       }
+      String mstring = mark.text;
 
-      g.drawString(String.valueOf(value), (i - startx - 1) * avcharWidth,
-              ypos - (avcharHeight / 2));
-
-      g.drawLine(((i - startx - 1) * avcharWidth) + (avcharWidth / 2),
-              (ypos + 2) - (avcharHeight / 2),
-              ((i - startx - 1) * avcharWidth) + (avcharWidth / 2),
-              ypos - 2);
+      if (mark.major)
+      {
+        if (mstring != null)
+        {
+          g.drawString(mstring, mpos * avcharWidth, ypos
+                  - (avcharHeight / 2));
+        }
+        g.drawLine((mpos * avcharWidth) + (avcharWidth / 2), (ypos + 2)
+                - (avcharHeight / 2), (mpos * avcharWidth)
+                + (avcharWidth / 2), ypos - 2);
+      }
     }
   }
 
@@ -276,6 +281,7 @@ public class SeqCanvas extends Panel
    * at 0). NOTE 1: The av limits are set in setFont in this class and in the
    * adjustment listener in SeqPanel when the scrollbars move.
    */
+  @Override
   public void update(Graphics g)
   {
     paint(g);
@@ -573,10 +579,17 @@ public class SeqCanvas extends Panel
           g1.translate(-screenY * avcharWidth, 0);
           screenY += blockEnd - blockStart + 1;
           blockStart = hideEnd + 1;
+
+          if (screenY > (endRes - startRes))
+          {
+            // already rendered last block
+            return;
+          }
         }
       }
       if (screenY <= (endRes - startRes))
       {
+        // remaining visible region to render
         blockEnd = blockStart + (endRes - startRes) - screenY;
         g1.translate(screenY * avcharWidth, 0);
         draw(g1, blockStart, blockEnd, startSeq, endSeq, offset);