# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1283661786 -7200
# Node ID eb6053abdd000697c745f044fe1d1177144f2345
# Parent  47d62a3afe639b581a98e613b085f2b2de9cc1cf
Double buffering when drawing

diff -r 47d62a3afe63 -r eb6053abdd00 visidor/src/main/java/cz/xelfi/quoridor/visidor/Viewer.java
--- a/visidor/src/main/java/cz/xelfi/quoridor/visidor/Viewer.java	Sun Sep 05 00:07:32 2010 +0200
+++ b/visidor/src/main/java/cz/xelfi/quoridor/visidor/Viewer.java	Sun Sep 05 06:43:06 2010 +0200
@@ -41,6 +41,7 @@
 import java.awt.Rectangle;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseMotionListener;
+import java.awt.image.BufferedImage;
 import javax.swing.JComponent;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
@@ -175,8 +176,10 @@
     }
 
     public void mouseMoved(MouseEvent e) {
-        final Graphics2D d2 = (Graphics2D) getGraphics();
+        BufferedImage img = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
+        final Graphics2D d2 = img.createGraphics();
         
+        d2.setBackground(getBackground());
         d2.clearRect(0, 0, getWidth(), getHeight());
         paintComponent(d2);
         
@@ -209,8 +212,9 @@
                 lastOrientation = Orientation.VERTICAL;
             }
         }
-        d2.translate(xdelta, ydelta);
         drawFence(lastOrientation, x, y, d2);
+        
+        getGraphics().drawImage(img, 0, 0, null);
     }
 
 }