Useful Image WaterMark Extension Method

Today i'll give you a useful Extension Method in order to Add some Text to Image that can be used in HttpHandler to display copyrighted images from Database for a Photo Store for example.

Here is the Extension Code

public static Bitmap WaterMarkImage(this Bitmap bmp, String Text)
{
 Image img = new Bitmap(bmp, new Size(bmp.Width, bmp.Height));
 Bitmap tmp = new Bitmap(img);
 using (Graphics graphic = Graphics.FromImage(tmp))
 {
     SolidBrush brush = new SolidBrush(Color.FromArgb(120, 255, 255, 255));
     Font font = new Font("Arial", 18, FontStyle.Bold);
     graphic.DrawString(Text, font, brush, new PointF(10, 30));
 }
 return tmp;
}
Here is a Sample of Usage

public class WaterMarkImageHandler : 

IHttpHandler
{

 public void ProcessRequest(HttpContext context)
 {
     context.Response.ContentType = "image/jpeg";
     Image img = Bitmap.FromFile(context.Server.MapPath("~/03SC008.JPG"));
     Bitmap bmp = new Bitmap(img);
     bmp = bmp.WaterMarkImage("SB2 DEVELOPPERS BLOG TEST");
     bmp.Save(context.Response.OutputStream, ImageFormat.Jpeg);
 }

 public bool IsReusable
 {
     get
     {
         return true;
     }
 }
}

Download Solution - WaterMarkImageHandler.zip

Source : http://blog.sb2.fr/post/2008/11/29/Useful-Image-WaterMark-Extension-Method.aspx