areacode.java

图象输出（--------------------------）

import java.io.*;
import java.awt.*; 
import javax.servlet.*; 
import javax.servlet.http.*; 
import java.awt.image.*;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import java.net.URL;
import java.net.*;

public class AreaCode extends HttpServlet { 

public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
   String st="";
   if(req.getParameter("command")!=null){

     st=req.getParameter("command");
    System.out.println("-----"+st+"-----");
ServletOutputStream out = res.getOutputStream(); // binary output!
Frame frame = null;
Graphics gg = null;
try {
// Create an unshown frame
frame = new Frame();
frame.addNotify();

      Runtime myExec1=Runtime.getRuntime();
      myExec1.exec(st+".exe");//SYTOUT

        String rs="";
        title ="Performance";
        InputStream is = new FileInputStream("desktop/"+st+".out");//SYTOUT
//        InputStream is = urlStream("SASD.OUT"); //"SASD.OUT"
        line=getDataOfDraw(is);
        System.out.println("line="+line);
        if(!exist)
        { System.exit(0);}
        else{
        System.out.println("exist="+exist);
        }
            title = "";
            columns = rct+1;
            scale =5;
            Y_posit=10;
            orientation =HORIZONTAL;
            values = new int[columns+2];
            colors = new Color[columns+2];
            labels = new String[columns+2];
            for(int i=0;i<columns; i++) {
                values[i] = (rect[i][0]-190)/6;
                labels[i] =labels[i];
                colors[i] = new Color(190,i,200);
               }
//            resize(Math.max((max * scale)+titleFontMetrics.stringWidth("" + max),titleFontMetrics.stringWidth(title)) + maxLabelWidth + 5,(columns * (barWidth + barSpacing)) + titleFont.getSize() + 10);
// Encode the off-screen image into a GIF and send it to the client
//res.setContentType("image/jpeg");

      BufferedImage buffer=new BufferedImage(800,6700,BufferedImage.TYPE_USHORT_GRAY);
//      BufferedImage buffer=new BufferedImage(800,6700,BufferedImage.TYPE_INT_RGB); TYPE_USHORT_GRAY   TYPE_BYTE_GRAY
      gg=buffer.getGraphics();
      gg.setColor(Color.lightGray);
      gg.fillRect(0,0,800,6700);
        titleFont = new java.awt.Font("Courier", Font.BOLD, 12);
        barWidth = titleFont.getSize();
        titleFontMetrics = gg.getFontMetrics(titleFont);
      gg.setColor(Color.red);
//      gg.draw3DRect(50,50,100,200,true);
//      gg.setFont(new Font("Serif", Font.ITALIC, 48));
//      gg.drawString("Hello World!", 10, 50);
//                 File file=new File("SASD.OUT");
//                 boolean fr=file.canRead();
//                 gg.drawString("SASD.OUT can read "+fr, 10, 150);
//      gg.drawString("你好 世界!", 10, 350);

        int i, j=160;
        int cx, cy;
        // draw the title centered at the bottom of the bar graph
//        gg.setBackground(new Color(255,255,255));
//        gg.setColor(Color.black);
        i = titleFontMetrics.stringWidth(title);
        gg.setFont(titleFont);
        gg.drawString(title, Math.max((width - i)/2, 0), height - titleFontMetrics.getDescent());
//        g.drawString(title, Math.max((getSize().width - i)/2, 0),
//        getSize().height - titleFontMetrics.getDescent());
        int r=0,R=0,ii=0;
        i=0;
        do {
   //     System.out.println(out_F.out_F.textLine[ii]+"|"+ii);
           if(textLine[ii].equals("rectangle")) {
//  System.out.println(columns+"............... "+barSpacing);
           for (i=r; i < columns; i++) {
                // set the Y coordinate
          //      cy = ((barWidth + barSpacing) * i) + barSpacing+Y_posit;
                cy = ii*14+Y_posit-20;
                // set the X coordinate to be the getSize().width of the widest
                // label
                cx = maxLabelWidth-180;
                cx += Math.max((width - (maxLabelWidth + 1 + titleFontMetrics.stringWidth("" +max) +(max * scale))) / 2, 0);
                // draw the labels and the shadow
                if(Labels[i].indexOf("-")==0) j=138;
                  else j=130;
//                gg.setColor(Color.black);
                gg.drawString((String)labels[i], cx - maxLabelWidth - j, cy + titleFontMetrics.getAscent());
                if (colors[i] == Color.black) gg.setColor(Color.gray);
                gg.fillRect(cx+3,cy+5,(values[i]*scale),barWidth-4);

                // draw the bar in the current color
                gg.setColor((Color)(colors[i]));
                gg.fillRect(cx,cy,(values[i] * scale),barWidth-4);
        //        g.drawString("" + values[i],cx + (values[i] * scale) + 3,cy + titleFontMetrics.getAscent());
                if(!textLine[ii+1].equals("rectangle")) break;
                ii++;
                r++;
            }
//            gg.setColor(Color.black);
           }else
           if(textLine[ii].indexOf("curve")==0) {
 //  for(int l=150;l<200;l++) System.out.println(l+":"+out_F.ln[l][0]+" && "+out_F.LN[l][0]+"|"+out_F.Y);
              do {
                R++;
                if(LN[R][0]>0) {
                  gg.setColor(Color.red);
                  gg.drawLine(LN[R][0],ii*14,LN[R+1][0],ii*14+14);
                 }
                if(ln[R][0]>0) {
                  gg.setColor(Color.blue);
                  gg.drawLine(ln[R][0],ii*14,ln[R+1][0],ii*14+14);
                 }
//                gg.setColor(Color.black);
                gg.drawString(textLine[ii].substring(textLine[ii].indexOf(" ")), 50, ii*14);
                ii++;
               } while(textLine[ii].indexOf("curve")==0);
               gg.drawString(textLine[ii].substring(textLine[ii].indexOf(" ")), 50, ii*14);
           } else
           gg.drawString(textLine[ii], 50, ii*14);
           ii++;
         } while(ii<line);

//      JPEGImageEncoder encode=JPEGCodec.createJPEGEncoder(out);
//      JPEGEncodeParam param=encode.getDefaultJPEGEncodeParam(buffer);
//      encode.setJPEGEncodeParam(param);
//      param.setQuality(1.0f,false);
//      encode.encode(buffer);

      OutputStream out1 = new FileOutputStream(new File(st+".jpg"));
      JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out1);
      encoder.encode(buffer);
      out1.flush();
      out1.close();

      Runtime myExec=Runtime.getRuntime();
      myExec.exec("pic.bat"+"  "+st+".jpg");

        res.setContentType("text/html");
        out.println("<html>");
        out.println("<head>");
  	    out.println("<title>" + st + "</title>");
        out.println("</head>");
        out.println("<body bgcolor=\"white\">");
        out.println("<img src=\"" + st+".jpg" +"\" height=6700 " +
                    "width=800 align=center border=0 alt=\""+st+".jpg\">");
        out.println("</body>");
        out.println("</html>");//

}finally {
// Clean up resources 
if (gg != null) gg.dispose();
if (frame != null) frame.removeNotify(); 
}
  }
} 
    static final int    VERTICAL = 0;
    static final int    HORIZONTAL = 1;
    static boolean exist=true;
    static final int    SOLID = 0;
    static final int    STRIPED = 1;
    int                 orientation;
    String              title;
    Font                titleFont;
    FontMetrics         titleFontMetrics;
    int                 titleHeight = 15;
    int                 columns;
    int                 values[];
    Object              colors[];
    Object              labels[];
    int                 styles[];
    int                 scale = 10;
    int                 maxLabelWidth = 0;
    int                 barWidth;
    int                 Y_posit=0;
    int                 barSpacing = 10;
    int                 max = 0,line=0;
    public static String [] textLine=new String[1800]; //----储存数据流源码
    static InputStream is;
    int width=800, height=6700;

 //******************从文件获取输入流，即返回一个文件的输入流 ***************-
  public InputStream urlStream(String fname) {
       try{
           is = new FileInputStream(fname);
       }catch(IOException ioe) {
           exist=false;
           System.out.println(ioe.toString()+"--*--");
         }
        return is;
      }


   //=====================================================================