src/java.desktop/unix/classes/sun/java2d/xr/XRRenderer.java

*** 26,35 ****
--- 26,36 ----
  package sun.java2d.xr;
  
  import java.awt.*;
  import java.awt.geom.*;
  import sun.awt.SunToolkit;
+ import sun.java2d.InvalidPipeException;
  import sun.java2d.SunGraphics2D;
  import sun.java2d.loops.*;
  import sun.java2d.pipe.Region;
  import sun.java2d.pipe.PixelDrawPipe;
  import sun.java2d.pipe.PixelFillPipe;
*** 67,77 ****
      /**
       * Common validate method, used by all XRRender functions to validate the
       * destination context.
       */
      private final void validateSurface(SunGraphics2D sg2d) {
!         XRSurfaceData xrsd = (XRSurfaceData) sg2d.surfaceData;
          xrsd.validateAsDestination(sg2d, sg2d.getCompClip());
          xrsd.maskBuffer.validateCompositeState(sg2d.composite, sg2d.transform,
                                                 sg2d.paint, sg2d);
      }
  
--- 68,83 ----
      /**
       * Common validate method, used by all XRRender functions to validate the
       * destination context.
       */
      private final void validateSurface(SunGraphics2D sg2d) {
!         XRSurfaceData xrsd;
!         try {
!             xrsd = (XRSurfaceData) sg2d.surfaceData;
!         } catch (ClassCastException e) {
!             throw new InvalidPipeException("wrong surface data type: " + sg2d.surfaceData);
!         }
          xrsd.validateAsDestination(sg2d, sg2d.getCompClip());
          xrsd.maskBuffer.validateCompositeState(sg2d.composite, sg2d.transform,
                                                 sg2d.paint, sg2d);
      }