2003/02/12 06:31:52

[org.ibex.core.git] / src / org / xwt / DoubleBuffer.java

diff --git a/src/org/xwt/DoubleBuffer.java b/src/org/xwt/DoubleBuffer.java
index eebd830..816434b 100644 (file)
--- a/src/org/xwt/DoubleBuffer.java
+++ b/src/org/xwt/DoubleBuffer.java
@@ -21,7 +21,7 @@ package org.xwt;
  *  represents regions internally as x,y,w,h.
  *  </p>
  */
-public interface DoubleBuffer {
+public abstract class DoubleBuffer {
 
     /** Draw the region of source within (sx1, sy1, sx2, sy2) onto the region of this DoubleBuffer within (dx1, dy1, dx2, dy2), scaling as needed. */
     public void drawPicture(Picture source, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2);