Text on Images in asp.net

Following code generates image with the desired text.

 

 

<%@ OutputCache NoStore="true" Duration="1" VaryByParam="Text;Xcord;YCord"%>
<%@ Page Language="C#" trace="false" Explicit="true" aspcompat="true" Debug="true" %>
<%@ Import Namespace="System" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Text" %>
<%@ Import Namespace=" System.Drawing" %>
<%@ Import Namespace="System.Drawing.Imaging" %>
<%@ Import Namespace="System.Drawing.Text" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<script runat="server">
    private void Page_Load(object sender, System.EventArgs e)
    { 

        //Get the Image on which you want to update the text
        Bitmap bitmap = new Bitmap(Server.MapPath("car.jpg"));
        MemoryStream memStream = new MemoryStream(); 
        // Create a graphics object for drawing.
        Graphics g = Graphics.FromImage(bitmap);
        g.SmoothingMode = SmoothingMode.AntiAlias;
        int width = bitmap.Width ;
        int height = bitmap.Height;

        //Pass Font Family using QueryString
        string familyName = Request.Params["FontFamily"];

        //Pass Desired Text using QueryString
        string text = Request.Params["Text"];
        // get a rectangle on the Image
        int X_cord = int.Parse(Request.Params["Xcord"]);
        int Y_cord = int.Parse(Request.Params["Ycord"]);
        Rectangle rect = new Rectangle(X_cord, Y_cord, 1000, 500);
        // Initialize the font for the text to b added.
        Font font;
        float fsize = float.Parse(Request.Params["FontSize"]);
        font = new Font(familyName, fsize, FontStyle.Regular);
        // Initialize the Font Format  
        StringFormat format = new StringFormat(); 
        format.Alignment = StringAlignment.Center; 
        format.LineAlignment = StringAlignment.Center;
        // Create a location where you want to add text
        GraphicsPath path = new GraphicsPath();
        path.AddString(text, font.FontFamily, (int) font.Style, font.Size, rect, format); 
        // Draw the desired Text 
        Color fc = Color.FromName(Request.Params["FontColor"]);
       
        HatchBrush hatchBrush = new HatchBrush( HatchStyle.LargeConfetti, fc, fc);
        g.FillPath(hatchBrush, path); 
        Response.Clear(); 
        Response.ContentType="image/jpeg"; 

        //OutPut the image
        memStream.WriteTo(Response.OutputStream);
        // Clean Memory

        font.Dispose();
        hatchBrush.Dispose();
        g.Dispose();
        bitmap.Dispose();
       
    }
    </script>