Canvas.java 文件源码

@Override
public void mouseWheelMoved(MouseWheelEvent arg0) {// zoom mouse wheel
    if (arg0.getPreciseWheelRotation() < 0) {
        proj.getFrame().getZoomControl().spinnerModel
                .setValue(proj.getFrame().getZoomControl().spinnerModel.getNextValue());
    } else if (arg0.getPreciseWheelRotation() > 0) {
        proj.getFrame().getZoomControl().spinnerModel
                .setValue(proj.getFrame().getZoomControl().spinnerModel.getPreviousValue());
    }

}