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

/// <summary>
/// Summary description for ImageWatermarkHandler
/// </summary>
namespace Tehased {
    public class ImageFactory : IHttpHandlerFactory {

        #region IHttpHandlerFactory Members

        public IHttpHandler GetHandler(HttpContext context, string requestType, string url, string pathTranslated)
        {
            if (context.User.Identity.IsAuthenticated) 
                return new Ohjurid.ImageHandler();
            else 
                return new Ohjurid.ImageWatermarkHandler();
        }

        public void ReleaseHandler(IHttpHandler handler)
        {
            
        }

        #endregion
    }
}

namespace Ohjurid
{
    public class ImageWatermarkHandler : IHttpHandler
    {

        #region IHttpHandler Members

        public bool IsReusable
        {
            get { return false; }
        }

        public void ProcessRequest(HttpContext context)
        {
            Bitmap bmp = new Bitmap(context.Request.PhysicalPath);
            Graphics pilt = Graphics.FromImage(bmp);
            //pilt.DrawString("Näidis!",
            //    new Font("Verdana", 14, FontStyle.Bold),
            //    new SolidBrush(Color.Beige), 0, bmp.Height - 22);
            pilt.RotateTransform(45);
            pilt.DrawString("NÄIDIS",
                new Font("Verdana", 100, FontStyle.Bold),
                new SolidBrush(Color.FromArgb(113, 255, 0, 0))
                //new SolidBrush(Color.Red)
                , 100, -100);
            bmp.Save(context.Response.OutputStream, ImageFormat.Jpeg);

        }

        #endregion
    }

    public class ImageHandler : IHttpHandler
    {

        #region IHttpHandler Members

        public bool IsReusable
        {
            get { return false; }
        }

        public void ProcessRequest(HttpContext context)
        {
            Bitmap bmp = new Bitmap(context.Request.PhysicalPath);
            bmp.Save(context.Response.OutputStream, ImageFormat.Jpeg);
        }

        #endregion
    }
}