using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Drawing;
using System.Drawing.Imaging;

public partial class slaideripilt : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        int korgus = 15;
        int laius = 100;
        int arv = 10;
        if (Request.QueryString["arv"] != null)
        {
            Int32.TryParse(Request.QueryString["arv"], out arv);
        }
        if (Request.QueryString["laius"] != null)
        {
            Int32.TryParse(Request.QueryString["laius"], out laius);
        }
        if (Request.QueryString["korgus"] != null)
        {
            Int32.TryParse(Request.QueryString["korgus"], out korgus);
        }
        Bitmap pilt = new Bitmap(laius, korgus);
        Graphics g = Graphics.FromImage(pilt);
        g.FillRectangle(Brushes.White, 0, 0, laius, korgus);
        float kujundiruum = laius*1.0f/arv;
        for (int i = 0; i < arv; i++) {
            g.DrawEllipse(Pens.Blue, i * kujundiruum, 2,
                 kujundiruum * 2 / 3, korgus - 4);
        }
        Response.ContentType = "image/gif";
        pilt.Save(Response.OutputStream, ImageFormat.Gif);
    }
}