The Java console keeps showing up error reports due to being asked

[sgt/puzzles] / PuzzleApplet.java

diff --git a/PuzzleApplet.java b/PuzzleApplet.java
index 4c9928d..ef7ca7e 100644 (file)
--- a/PuzzleApplet.java
+++ b/PuzzleApplet.java
@@ -476,11 +476,13 @@ public class PuzzleApplet extends JApplet implements Runtime.CallJavaCB {
         }
 
         public void createBackBuffer(int w, int h, Color bg) {
-            backBuffer = new BufferedImage(w,h, BufferedImage.TYPE_3BYTE_BGR);
-            Graphics g = backBuffer.createGraphics();
-            g.setColor(bg);
-            g.fillRect(0, 0, w, h);
-            g.dispose();
+           if (w > 0 && h > 0) {
+               backBuffer = new BufferedImage(w,h, BufferedImage.TYPE_3BYTE_BGR);
+               Graphics g = backBuffer.createGraphics();
+               g.setColor(bg);
+               g.fillRect(0, 0, w, h);
+               g.dispose();
+           }
         }
 
         protected void paintComponent(Graphics g) {