covercanvas.java

本人收集的一些j2me资料！！ 有兴趣的可以

// Decompiled by DJ v2.9.9.60 Copyright 2000 Atanas Neshkov  Date: 2005-4-3 23:29:35
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   CoverCanvas.java

package NBMaJiang;

import com.nokia.mid.ui.FullCanvas;
import java.io.PrintStream;
import javax.microedition.lcdui.*;

// Referenced classes of package NBMaJiang:
//            Action, ActionListener

public class CoverCanvas extends FullCanvas
    implements Runnable
{

    public CoverCanvas(String logo)
    {
        started = false;
        try
        {
            logoImg = Image.createImage(logo);
            init();
        }
        catch(Exception e)
        {
            System.out.println("wel.png not found!");
        }
    }

    private void init()
    {
        width = getWidth();
        height = getHeight();
        Max = 10;
        pos = 0;
    }

    public void paint(Graphics g)
    {
        drawBg(g);
    }

    private void drawBg(Graphics g)
    {
        g.drawImage(logoImg, 0, 0, 20);
        g.setColor(255);
        g.fillRect(0, 116, width, 12);
        g.drawRect(0, 116, width, 11);
        int tR = ((pos % 10) * 255) / Max;
        for(int i = 0; i < Max; i++)
        {
            if(i >= pos % 10)
                tR = (tR + (i * 255) / Max) % 255;
            else
                tR = Math.abs(tR - (i * 255) / Max) % 255;
            g.setColor(tR, tR, 255);
            g.fillRect((i * width) / Max, 117, width / Max + 1, 10);
        }

    }

    synchronized void start()
    {
        thread = new Thread(this);
        thread.start();
    }

    synchronized void stop()
    {
        thread = null;
    }

    public void run()
    {
        for(Thread current = Thread.currentThread(); thread == current;)
            try
            {
                if(!started && isShown())
                {
                    if(actionListener != null)
                        actionListener.action(new Action("", 3, -1), this);
                    started = true;
                }
                Thread.currentThread();
                Thread.sleep(100L);
                pos++;
                if(pos > 25 && actionListener != null)
                    actionListener.action(new Action("", 4, -1), this);
                repaint();
            }
            catch(InterruptedException e) { }

    }

    public void setActionListener(ActionListener actListener)
    {
        actionListener = actListener;
    }

    protected void showNotify()
    {
        start();
    }

    protected void hideNotify()
    {
        stop();
    }

    private boolean started;
    private Image logoImg;
    private int width;
    private int height;
    private int Max;
    private int pos;
    private Thread thread;
    private ActionListener actionListener;
}