ASP.NET

<%<br />
Bitmap bitMapImage = new System.Drawing.Bitmap(Server.MapPath("photos/3092.jpg") );<br />
Graphics graphicImage = Graphics.FromImage(bitMapImage); <br />
graphicImage.SmoothingMode = SmoothingMode.AntiAlias;<br />
graphicImage.DrawString( "LOGO HERE", new Font("Arial", 12,FontStyle.Bold ), SystemBrushes.WindowText, new Point( 40, 150 ) );<br />
Bitmap myBitmap = new System.Drawing.Bitmap(Server.MapPath("upload/3003.jpg") );<br />
Color backColor = myBitmap.GetPixel(1, 1);<br />
myBitmap.MakeTransparent(backColor);<br />
graphicImage.DrawImage(myBitmap, 0, 40, myBitmap.Width, myBitmap.Height);<br />
Response.ContentType="image/jpeg";<br />
bitMapImage.Save(Response.OutputStream, ImageFormat.Jpeg);<br />
myBitmap.Save(Response.OutputStream, ImageFormat.Jpeg);<br />
graphicImage.Dispose();<br />
bitMapImage.Dispose();<br />
myBitmap.Dispose();<br />
%>

switch (Operator)
{
    case SomeEnumerator.Equal:
        return Blah(parameters);
        break;
...
...
}