Dynamically generating GIF or JPG samples on the server side

Dynamic | server | example package web.images;





/**


* Insert type description here.


* Date Created: (2002-6-6-9:59:00)


* @author: Administrator


*/


import java.io.*;





import java.util.*;





import com.sun.image.codec.jpeg.*;





import java.awt.image.*;





import java.awt.*;








public class Chartgraphics {





bufferedimage image;





public void CreateImage (String filelocation) {





try {





FileOutputStream fos = new FileOutputStream (filelocation);





bufferedoutputstream bos = new Bufferedoutputstream (FOS);





JPEGImageEncoder encoder = jpegcodec.createjpegencoder (BOS);





Encoder.encode (image);





Bos.close ();





catch (Exception e) {





System.out.println (e);





}





}








public void graphicsgeneration (int h1,int h2,int h3,int h4,int h5) {








final int x=10;





int imagewidth = 800;//the width of the picture





int imageheight =900;//picture height





int columnwidth=70;//column width




Maximum height of
int columnheight=800;//column








chartgraphics chartgraphics = new Chartgraphics ();





chartgraphics.image = new BufferedImage (ImageWidth, ImageHeight, Bufferedimage.type_int_rgb);





Graphics Graphics = ChartGraphics.image.getGraphics ();





Graphics.setcolor (Color.White);





Graphics.fillrect (0,0,imagewidth,imageheight);





Graphics.setcolor (Color.Black);


Graphics.setxormode (Color.Blue);


Graphics.drawline (columnwidth+x,columnheight-h5-50,columnwidth+x,columnheight);//y Axis





Graphics.drawline (columnwidth+x,columnheight-h5-50,columnwidth+x-10,columnheight-h5-40);//y Axis Arrow left





Graphics.drawline (columnwidth+x,columnheight-h5-50,columnwidth+x+10,columnheight-h5-40);//y Axis Arrow Right





Graphics.drawline (750,columnheight,columnwidth+x,columnheight);//x Axis





Graphics.drawline (750,columnheight,740,columnheight-10);//x Axis





Graphics.drawline (750,columnheight,740,columnheight+10);//x Axis





Graphics.setcolor (Color.yellow);





Graphics.fillrect (x+1*columnwidth+10, COLUMNHEIGHT-H1, ColumnWidth, H1);





Graphics.fillrect (x+2*columnwidth+20, COLUMNHEIGHT-H2, ColumnWidth, H2);





Graphics.fillrect (x+3*columnwidth+30, Columnheight-h3, ColumnWidth, H3);





Graphics.fillrect (x+4*columnwidth+40, Columnheight-h4, ColumnWidth, H4);





Graphics.fillrect (x+5*columnwidth+50, Columnheight-h5, ColumnWidth, h5);





//graphics.drawstring ()





chartgraphics.createimage ("d:\\leaderquery\\leaderqueryweb\\web800\\images\\chart.jpg");





}





}