gvbatterylevelindicator.java

无线传感器网络节点Sun SPOT管理工具

/*
 * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved. 
 * 
 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is
 * described in this document. In particular, and without limitation, these intellectual property rights may
 * include one or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents
 * or pending patent applications in the U.S. and in other countries.
 * 
 * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc.
 * standard license agreement and applicable provisions of the FAR and its supplements.
 * 
 * Use is subject to license terms. 
 * 
 * This distribution may include materials developed by third parties. Sun, Sun Microsystems, the Sun logo and
 * Java are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. 
 * 
 * Copyright (c) 2006 Sun Microsystems, Inc. Tous droits r?serv?s.
 * 
 * Sun Microsystems, Inc. d?tient les droits de propri?t? intellectuels relatifs ? la technologie incorpor?e dans
 * le produit qui est d?crit dans ce document. En particulier, et ce sans limitation, ces droits de propri?t?
 * intellectuelle peuvent inclure un ou plus des brevets am?ricains list?s ? l'adresse http://www.sun.com/patents
 * et un ou les brevets suppl?mentaires ou les applications de brevet en attente aux Etats - Unis et dans les
 * autres pays.
 * 
 * L'utilisation est soumise aux termes du contrat de licence.
 * 
 * Cette distribution peut comprendre des composants d?velopp?s par des tierces parties.
 * Sun, Sun Microsystems, le logo Sun et Java sont des marques de fabrique ou des marques d?pos?es de Sun
 * Microsystems, Inc. aux Etats-Unis et dans d'autres pays.
 */

package com.sun.spot.spotworld.gridview;

import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;

/**
 * Not yet ustilized.
 *
 * @author randy
 */
public class GVBatteryLevelIndicator extends GVTangibleObject {
    
    private double voltage = 3.698743;
    
    public Dimension getPreferredSize(){
        return new Dimension(40, 100);
    }
    
    public void paintComponentNoShadow(Graphics2D g){
        drawBatteryOutline(g);
        fillBatteryLevel(g);
        drawVoltage(g);
    }
       
    public void paintShadow(Graphics2D g2) {
        Composite c = g2.getComposite();
        if (c instanceof AlphaComposite) {
            AlphaComposite ca = (AlphaComposite)c;
            AlphaComposite a = AlphaComposite.getInstance(ca.getRule(), 0.2f);
            g2.setComposite(a);
            g2.setColor(Color.black);
            paintComponentNoShadow(g2);
            g2.setComposite(ca);
        }
    }
    
    public void drawBatteryOutline(Graphics g){
        g.setColor(Color.BLACK);
        g.drawRect(0, 4, 15, 36);
        g.fillRect(5, 0, 5, 5);  //Little blib on top
    }
    
    public void fillBatteryLevel(Graphics g){
        double f = (4.2 - voltage)/1.1 ;
        int h = (int)  (f * 34);
        if (f < 0.3) {
            g.setColor(Color.RED);
        } else {
            g.setColor(Color.GRAY);
        }
        g.fillRect(1,35 - h,14,h);
    }
    
    public void drawVoltage(Graphics g){
        g.drawString("" + ( ((int) (voltage * 100.0)) / 100.0) +"V"  , 19, 26);
    }
    
    public double getVoltage() {
        return voltage;
    }

    public void setVoltage(double voltage) {
        this.voltage = voltage;
    }
    
}