globalcontrols.java~1~

风机在线监测系统,采用sqlserver数据库,有问题联系我

package java2d;
import java.awt.*;
import java.awt.event.*;
import javax.swing.JPanel;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
import java.awt.font.TextLayout;
import java.awt.font.FontRenderContext;
import java.awt.image.BufferedImage;
import java.awt.geom.Rectangle2D;



/**
 * Global Controls panel for changing graphic attributes of
 * the demo surface.
 */
public class GlobalControls extends JPanel 
{
    Surface surf;

    
    public GlobalControls() {
        setLayout(new GridBagLayout());
        setBorder(new TitledBorder(new EtchedBorder(), "报警信息"));
        add(surf = new Surface());
       
    }

	 public class Surface extends JPanel implements Runnable {
        public float al1=(float)7.0;
        public float al2=(float)9.5;
        public Thread thread;
        private BufferedImage bimg;
       private Font font = new Font("serif", Font.BOLD, 18);
   
    
        public Surface() {
            //setBackground(Color.black);
            
        }
    
        public Dimension getMinimumSize() {
            return getPreferredSize();
        }
    
        public Dimension getMaximumSize() {
            return getPreferredSize();
        }
    
        public Dimension getPreferredSize() {
        return new Dimension(135,315);
    }

     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);
      }

	  public 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 paint(Graphics g) {
            if (bimg != null) {
                g.drawImage(bimg, 0, 0, this);
            }
        }
    
    
        public void start() {
            thread = new Thread(this);
            thread.setPriority(Thread.MIN_PRIORITY);
            thread.setName("AlarmInformation");
            thread.start();
        }
    
    
        public synchronized void stop() {
            thread = null;
            
            notify();
        }
    
    
    
        public void run() {
    
            Thread me = Thread.currentThread();
    
            while (thread == me && !isShowing() || getSize().width == 0) {
                try {
                    thread.sleep(500);
                } catch (InterruptedException e) { return; }
            }
    
            Dimension d = getSize();
            bimg = (BufferedImage) createImage(d.width, d.height);
            Graphics2D big = bimg.createGraphics();
            big.setFont(font);
            FontMetrics fm = big.getFontMetrics();
            int ascent = fm.getAscent();
            int descent = fm.getDescent();
            
    
            while (thread == me && isShowing()) {
                //big.setBackground(getBackground());
				big.setBackground(Color.black);
                big.clearRect(0, 0, d.width, d.height);
				float[] H=new float[7];
				float[] L=new float[7];
                if(Java2Demo.datapool!=null){
					H=Java2Demo.datapool.getdataF("high_frequency_table");
					L=Java2Demo.datapool.getdataF("low_frequency_table");
					}
                
                big.setColor(Color.black);
                int ssH = 1;
               
                   
                    
                     drawLed(big,alarm(H[2],al1,al2),5,8);
                     big.drawString("风机左X方向",30,25);
					
					drawLed(big,alarm(H[0],al1,al2),5,38);
                    big.drawString("风机左Y方向",30,55);
					
					drawLed(big,alarm(H[4],al1,al2),5,68);
					big.drawString("风机左Z方向",30, 85);
					
                     drawLed(big,alarm(H[3],al1,al2),5,98);
					 big.drawString("风机右X方向",30,115);
					
					 drawLed(big,alarm(H[1],al1,al2),5,128);
					 big.drawString("风机右Y方向",30,145);
					
					 drawLed(big,alarm(H[5],al1,al2),5,158);
					 big.drawString("风机右Z方向", 30,175);
					
					 drawLed(big,alarm(L[0],al1,al2),5,188);
					 big.drawString("风机左温度",30,205);
					 
					 drawLed(big,alarm(L[1],al1,al2),5,218);
					 big.drawString("风机右温度", 30, 235);
					 
					 drawLed(big,alarm(L[2],al1,al2),5,248);
					 big.drawString("电机左温度", 30, 265);
					 
					 drawLed(big,alarm(L[3],al1,al2),5,278);
					 big.drawString("电机右温度", 30, 295);
					
			
                repaint();

                try {
                    thread.sleep(500);
                } catch (InterruptedException e) { break; }
            }
            thread = null;
        }
    } // End Surface
	}