Magento constants for invoice shipment order state and statuses

1/ Invoice statuses:

    /**#@+
     * Invoice states
     */
    const STATE_OPEN = 1;

    const STATE_PAID = 2;

    const STATE_CANCELED = 3;

2/ Shipment statuses:

CASE
    WHEN shipment_status = 1 THEN 'New'
    WHEN shipment_status = 2 THEN 'Ready To Print'
    WHEN shipment_status = 3 THEN 'Printed'
    WHEN shipment_status = 4 THEN 'Shipped'
    WHEN shipment_status = 5 THEN 'Invoiced'
    WHEN shipment_status = 6 THEN 'Complete'
    WHEN shipment_status = 7 THEN 'Canceled'
    WHEN shipment_status = 8 THEN 'Holded'
    WHEN shipment_status = 9 THEN 'Checked'
    WHEN shipment_status = 10 THEN 'Ready For Pickup'
    WHEN shipment_status = 11 THEN 'Picked Up'
    ELSE 'N/A'
    END AS shipment_status_text