intro.java~1~

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package java2d;

import javax.swing.*;
import javax.swing.border.*;
import java.util.*;
import java.applet.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import java.sql.*;
import java.net.*;
import java.net.MalformedURLException;

public class Intro extends JPanel {
  static Surface surface;
  static Color black = new Color(20, 20, 20); 
  static Color white = new Color(240, 240, 255); 
  static Color red = new Color(149, 43, 42);
  static Color blue = new Color(94, 105, 176); 
  static Color yellow = new Color(255, 255, 140);

    public Intro() {
        EmptyBorder eb = new EmptyBorder(8,11,8,11);
        BevelBorder bb = new BevelBorder(BevelBorder.LOWERED);
        setBorder(new CompoundBorder(eb,bb));
        setLayout(new BorderLayout());
        //setBackground(Color.gray);
		add(surface = new Surface());

	}

		 public void start() {
      
            surface.start();
        
    }


    public void stop() {
       
           surface.stop();
        
    }


	 static class Surface extends JPanel implements Runnable {
     static Surface surf;
	 float[] H=new float[7];
	 float[] L=new float[7];
     private  float MZ1,MZ2,MZ3,MZ4,MS1,MS2,MT1,MT2,MT3,MT4;
     static float Z1,Z2,Z3,Z4,S1,S2,T1,T2,T3,T4;
     static float al1=(float)7.0;
     static float al2=(float)9.5;
     static BufferedImage bimg;
     public int w;
     public int h;
     static Thread plot;
     boolean isStandalone = false;
     BorderLayout borderLayout1 = new BorderLayout();
     Image centerImage;
	 private Thread thread;


	public Surface() {
	surf = this;
    setBackground(Color.gray);
    setLayout(new BorderLayout());
      //datapool=new dataPool();
    plot=new Thread(this);
	URLClassLoader urlLoader = (URLClassLoader)this.getClass().getClassLoader();
	URL fileLoc = urlLoader.findResource("java2d/fengji.gif");
	centerImage= this.getToolkit().createImage(fileLoc);
    MediaTracker mt=new MediaTracker(this);
		mt.addImage(centerImage,0);
		try{
			mt.waitForAll();
		}
		catch(Exception e){
			e.printStackTrace();
		}
		w=centerImage.getWidth(this);
		h=centerImage.getHeight(this);
		System.out.println(String.valueOf(w));
        System.out.println(String.valueOf(h));
	}


	//alarm
  static int alarm(float val,float al1,float al2){
      int type=1;
      if(val>=al1&&val<al2){
          type=3; }
      else
          if(val>=al2){
              type=4;
          }
      else
          if(val<al1)
          type=1;
      else
          type=2;

      return type;
  }

  public void drawLed(Graphics2D g,int type,int x,int y)
   {
      switch(type)
      {
        case 1:
          g.setColor(new Color(0,255,0));
          break;
        case 2:
          g.setColor(new Color(255,255,255));
          break;
        case 3:
          g.setColor(new Color(251,251,19));
          break;
        case 4:
          g.setColor(new Color(255,0,0));
          break;
        default:
          g.setColor(new Color(0,255,0));
      }
     g.fillOval(x,y,20,20);
      }

 static void changeColor(Graphics2D g,int type)
   {
      switch(type)
      {
        case 1:
          g.setColor(new Color(0,255,0));
          break;
        case 2:
          g.setColor(new Color(255,255,255));
          break;
        case 3:
          g.setColor(new Color(251,251,19));
          break;
        case 4:
          g.setColor(new Color(255,0,0));
          break;
        default:
          g.setColor(new Color(0,255,0));
      }
     
      }



	 public void paint(Graphics g) {
            Dimension d = getSize();
	    if (d.width <= 0 || d.height <= 0) {
		return;
	    }
            if (bimg == null || bimg.getWidth() != d.width || bimg.getHeight() != d.height) {
                bimg = getGraphicsConfiguration().createCompatibleImage(d.width, d.height); 
			}
			 Graphics2D g2 = bimg.createGraphics();
			 int x=0;
			 int y=30;
			 g2.drawImage(centerImage,x,y,this);
      if(Java2Demo.datapool!=null){
     /* Z1=Java2Demo.datapool.getdataF("Z1","high_frequency_table");
	  Z2=Java2Demo.datapool.getdataF("Z2","high_frequency_table");
	  Z3=Java2Demo.datapool.getdataF("Z3","high_frequency_table");
	  Z4=Java2Demo.datapool.getdataF("Z4","high_frequency_table");
	  S1=Java2Demo.datapool.getdataF("S1","high_frequency_table");
	  S2=Java2Demo.datapool.getdataF("S2","high_frequency_table");
	  T1=Java2Demo.datapool.getdataF("T1","low_frequency_table");
	  T2=Java2Demo.datapool.getdataF("T2","low_frequency_table");
	  T3=Java2Demo.datapool.getdataF("T3","low_frequency_table");
	  T4=Java2Demo.datapool.getdataF("T4","low_frequency_table");
	  
	   */
	 H=Java2Demo.datapool.getdataF("high_frequency_table");
	 L=Java2Demo.datapool.getdataF("low_frequency_table");
					
                
	  }
	    drawLed(g2,alarm(H[0],al1,al2),x+102,y+73);//风机 左Y
	    g2.drawLine(x+112,y+73,x+112,y+43);
	    g2.drawLine(x+112,y+43,x+82,y+43);
        g2.drawLine(x+112,y+43,x+142,y+43);
		g2.drawString(""+H[0],x+80,y+37);
		

	 drawLed(g2,alarm(H[1],al1,al2),x+249,y+73);//风机 右Y
	    g2.drawLine(x+259,y+73,x+259,y+43);
		g2.drawLine(x+229,y+43,x+289,y+43);
		g2.drawString(""+H[1],x+227,y+37);

     drawLed(g2,alarm(H[2],al1,al2),x+92,y+210);//风机 左X
	    g2.drawLine(x+102,y+230,x+102,y+250);
		g2.drawLine(x+102,y+250,x+82,y+250);
		g2.drawString(""+H[2],x+25,y+255);

     drawLed(g2,alarm(H[4],al1,al2),x+150,y+210);//风机 左Z
	    g2.drawLine(x+160,y+230,x+160,y+270);
		g2.drawLine(x+160,y+270,x+110,y+270);
		g2.drawString(""+H[4],x+50,y+275);

     drawLed(g2,alarm(H[3],al1,al2),x+240,y+210);//风机 右X
	    g2.drawLine(x+250,y+230,x+250,y+270);
		g2.drawLine(x+250,y+270,x+290,y+270);
		g2.drawString(""+H[3],x+290,y+275);

     drawLed(g2,alarm(H[5],al1,al2),x+297,y+210);//风机 右Z
	    g2.drawLine(x+307,y+230,x+307,y+250);
		g2.drawLine(x+307,y+250,x+347,y+250);
		g2.drawString(""+H[5],x+347,y+255);

     drawLed(g2,alarm(L[0],al1,al2),x+140,y+120);//风机 左 温度
	    g2.drawLine(x+150,y+120,x+150,y+100);
		g2.drawLine(x+150,y+100,x+400,y+100);
		g2.drawLine(x+400,y+100,x+400,y+60);
		g2.drawLine(x+400,y+60,x+403,y+60);
		g2.drawString(""+L[0],x+403,y+65);

     drawLed(g2,alarm(L[1],al1,al2),x+253,y+120);//风机 右 温度
	    g2.drawLine(x+263,y+120,x+263,y+110);
		g2.drawLine(x+263,y+110,x+320,y+110);
		g2.drawLine(x+320,y+110,x+320,y+30);
		g2.drawLine(x+320,y+30,x+323,y+30);
		g2.drawString(""+L[1],x+323,y+35);

     drawLed(g2,alarm(L[2],al1,al2),x+590,y+89);//电机 左 温度
	    g2.drawLine(x+590,y+99,x+570,y+99);
		g2.drawLine(x+570,y+99,x+570,y+250);
		g2.drawLine(x+570,y+250,x+573,y+250);
		g2.drawString(""+L[2],x+573,y+255);

     drawLed(g2,alarm(L[3],al1,al2),x+676,y+89); //电机 右 温度
	    g2.drawLine(x+696,y+99,x+706,y+99);
		g2.drawLine(x+706,y+99,x+706,y+270);
		g2.drawString(""+L[3],x+660,y+275);
		
	   g2.setFont(new Font("楷体_GB2312",Font.PLAIN,20));
	   g2.drawString("振动、位移单位：毫米",x+40,450);
	   g2.drawString("温度单位：摄氏度",x+40,475);
	  // g2.draw3DRect(x,y+300,600,150,true);
       g2.draw3DRect(x,505,600,35,true);
       drawLed(g2,1,x+20,513);
       g2.drawString("信号正常",x+40,530);
       drawLed(g2,2,x+130,513);
       g2.drawString("信号失效",x+150,530);
       drawLed(g2,3,x+240,513);
       g2.drawString("一级报警",x+260,530);
       drawLed(g2,4,x+350,513);
       g2.drawString("二级报警",x+370,530);
      
            g.drawImage(bimg, 0, 0, this);
	 }


	   public void start() {
            if (thread == null) {
                thread = new Thread(this);
                thread.setPriority(Thread.MIN_PRIORITY);
                thread.setName("Intro");
                thread.start();
            }
        }
    

        public synchronized void stop() {
            if (thread != null) {
                thread.interrupt();
            }
            thread = null;
		    MZ1=MZ2=MZ3=MZ4=MS1=MS2=MT1=MT2=MT3=MT4=(float)0.0;
            notifyAll();
        }

		  public void run() {

            Thread me = Thread.currentThread();

            while (thread == me && !isShowing() || getSize().width <= 0) {
                try {
                    thread.sleep(500);
                } catch (InterruptedException e) { return; }
            }

          

            while (thread == me) {
               System.out.println("thread is running");
          repaint();
         try{
              Thread.sleep(1000);
          }catch(InterruptedException e){
              return;
          }
        
      }
            thread = null;
        }

	 }
}