text to Image HttpServletResponse - Java 2D Graphics

Java examples for 2D Graphics:Image

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Description

text to Image HttpServletResponse

Demo Code


import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;

public class Main{
    public static void texttoImage(String text, int width, int height,
            HttpServletResponse res) {/*  w w  w .  j av  a  2 s. c  o m*/
        try {

            //Create an image 200 x 200  
            BufferedImage bufferedImage = new BufferedImage(width, height,
                    BufferedImage.TYPE_INT_RGB);

            //Draw an oval  
            Graphics g = bufferedImage.getGraphics();

            g.setFont(new Font("Serif", Font.ITALIC, 35));
            g.setColor(Color.red);

            int imgW = 20;
            int imgh = 20;
            if (width > 0 && height > 0) {
                imgW = width / 10;
                imgh = height / 2;
            }

            g.drawString(text, imgW, imgh);

            //Free graphic resources  
            g.dispose();
            //Write the image as a jpg  
            //ImageIO.write(bufferedImage, "jpg", res.getOutputStream());

            ByteArrayOutputStream baos = new ByteArrayOutputStream();

            ImageIO.write(bufferedImage, "jpg", res.getOutputStream());
            byte[] bytesOut = baos.toByteArray();

            //return bytesOut;
        } catch (Exception ioe) {
            ioe.printStackTrace();
        }
        //return null;
    }
}

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