if (src.getSampleModel () instanceof ComponentSampleModel && dest.getSampleModel () instanceof ComponentSampleModel)
	public WritableRaster copyData(WritableRaster dest) {		if (dest == null)			dest = raster.createCompatibleWritableRaster();		int x = dest.getMinX();		int y = dest.getMinY();		int w = dest.getWidth();		int h = dest.getHeight();		// create a src child that has the right bounds...			WritableRaster src = raster.createWritableChild(x, y, w, h, x, y, null // same bands	);		// Refer to ComponentDataBlitOp for optimized data blitting:		ComponentDataBlitOp.INSTANCE.filter(src, dest);		return dest;	}