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Message:
How to generate JPEG Images?
Posted by Sudhakar on October 16, 2000 at 12:45 PM
Hi folks,
I want to generate a PIE-chart using data available in the database (in PJEG format). Could anyone guide me on the same? I have been able to create JPEG images but do not know if there are some utilities or some way of generating them. The following is the code I used for JPEG generation but it seems to be a real crude method if i am looking at generating pie-charts.
import com.sun.image.codec.jpeg.*;
import java.awt.image.*;
import java.awt.*;
import java.io.*;
public class Picture
{
static Graphics pie;
// static BufferedImage Bi;
// static Graphics2D Gra; public static void main(String args[])
{
BufferedImage Bi=new BufferedImage(100,100,1);
// pie.drawOval(100,100,100,100);
pie=Bi.getGraphics();
Color col=new Color(210,210,210);
pie.setColor(col);
pie.drawOval(0,0,100,100);
pie.drawLine(0,100,100,0);
// pie.setColor(col);
// Picture pic =new Picture();
JPEGImageEncoder ImgEnc;
try
{
ImgEnc = JPEGCodec.createJPEGEncoder(new FileOutputStream("Abc1.jpg"));
ImgEnc.encode(Bi);
ImgEnc.getOutputStream().close();
}
catch(Exception e)
{
e.printStackTrace();
}
}
}
Let me know if there is an alternative for the same. Thank you,
Regards,
Sudhakar
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