Mega Code Archive
Return an Image From JSP Page
<![CDATA[
index.html
<HTML>
<HEAD>
<TITLE>Creating Images on the Fly</TITLE>
</HEAD>
<BODY>
<H1>Creating Images on the Fly</H1>
<IMG SRC="basic.jsp">
</BODY>
</HTML>
basic.jsp
<%@ page contentType="image/jpeg" import="java.io.*, java.awt.*, java.awt.image.*,com.sun.image.codec.jpeg.*" %>
<%
try {
BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
Graphics2D g = image.createGraphics();
g.setColor(Color.white);
g.fillRect(0, 0, 199, 199);
g.setColor(Color.blue);
for(int i = 0; i < 20; i++){
g.drawLine(0, i * 10, 199, i * 10);
g.drawLine(i * 10, 0, i * 10, 199);
}
g.setColor(Color.red);
g.drawLine(0, 129, 50, 119);
g.drawLine(40, 119, 90, 150);
g.drawLine(90, 10, 150, 60);
g.drawLine(150, 30, 180, 90);
g.drawLine(180, 90, 199, 50);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(response.getOutputStream());
encoder.encode(image);
} catch (Exception e) {
}
%>
]]>