X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FIdCanvas.java;h=b3e8119da2746ce68a3b9189c0fdaebfcaa03a0e;hb=5159fba45b219bdf320e78091db53486e782bb39;hp=793c005ed861d9bbf37f26bab3cb01b8f8628475;hpb=78f5bbe9330cbf3d686d1a5c411956e091c88541;p=jalview.git

diff --git a/src/jalview/gui/IdCanvas.java b/src/jalview/gui/IdCanvas.java
index 793c005..b3e8119 100755
--- a/src/jalview/gui/IdCanvas.java
+++ b/src/jalview/gui/IdCanvas.java
@@ -55,7 +55,7 @@ public class IdCanvas extends JPanel implements ViewportListenerI
 
   BufferedImage image;
 
-  Graphics2D gg;
+//  Graphics2D gg;
 
   int imgHeight = 0;
 
@@ -152,10 +152,11 @@ public class IdCanvas extends JPanel implements ViewportListenerI
    */
   public void fastPaint(int vertical)
   {
+
     /*
      * for now, not attempting fast paint of wrapped ids...
      */
-    if (gg == null || av.getWrapAlignment())
+    if (image == null || av.getWrapAlignment())
     {
       repaint();
 
@@ -164,6 +165,7 @@ public class IdCanvas extends JPanel implements ViewportListenerI
 
     ViewportRanges ranges = av.getRanges();
 
+    Graphics2D gg = image.createGraphics();
     gg.copyArea(0, 0, getWidth(), imgHeight, 0,
             -vertical * av.getCharHeight());
 
@@ -200,6 +202,8 @@ public class IdCanvas extends JPanel implements ViewportListenerI
 
     gg.translate(0, -transY);
 
+    gg.dispose();
+    
     fastPaint = true;
 
     // Call repaint on alignment panel so that repaints from other alignment
@@ -217,8 +221,6 @@ public class IdCanvas extends JPanel implements ViewportListenerI
   @Override
   public void paintComponent(Graphics g)
   {
-    super.paintComponent(g);
-
     g.setColor(Color.white);
     g.fillRect(0, 0, getWidth(), getHeight());
     
@@ -246,13 +248,15 @@ public class IdCanvas extends JPanel implements ViewportListenerI
                 BufferedImage.TYPE_INT_RGB);
     }
     
-    gg = (Graphics2D) image.getGraphics();
+    Graphics2D gg = image.createGraphics();
     
     // Fill in the background
     gg.setColor(Color.white);
     gg.fillRect(0, 0, getWidth(), imgHeight);
     
     drawIds(gg, av, av.getRanges().getStartSeq(), av.getRanges().getEndSeq(), searchResults);
+
+    gg.dispose();
     
     g.drawImage(image, 0, 0, this);
   }