src/java.desktop/unix/classes/sun/awt/X11/XlibUtil.java

*** 36,45 ****
--- 36,47 ----
  
  import sun.awt.X11GraphicsConfig;
  import sun.awt.X11GraphicsDevice;
  import sun.awt.X11GraphicsEnvironment;
  
+ import sun.java2d.pipe.Region;
+ 
  /*
   * This class is a collection of utility methods that operate
   * with native windows.
   */
  public class XlibUtil
*** 412,419 ****
              return 1 << (7 + button);
          }
      }
  
      static int scaleDown(int x, int scale) {
!         return x / scale;
      }
  }
--- 414,421 ----
              return 1 << (7 + button);
          }
      }
  
      static int scaleDown(int x, int scale) {
!         return Region.clipRound(x / (double)scale);
      }
  }