*
* @param event The controle event generated by the move.
*/
+ @Override
public void controlMoved(ControlEvent event) {
if (ourCanvas != null)
ourCanvas.redraw();
*
* @param event The control event generated by the resize.
*/
+ @Override
public void controlResized(ControlEvent event) {
if ( (ourCanvas != null) && (ourCanvas.getHistogramContent() != null) ) {