<%@ WebHandler Language="C#" Class="photos" %>

using System;
using System.Web;
using System.Collections.Generic;
using System.Runtime.Serialization.Json;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Web.Services.Protocols;
using System.Security.Cryptography;
using System.Text;
using System.Web.SessionState;
using System.Data;
using System.IO;
using System.Drawing.Imaging;
using System.Drawing;

public class photos : IHttpHandler {

    private string _path = System.Web.HttpContext.Current.Server.MapPath("~/");

    public void ProcessRequest (HttpContext context) {

        string id = (context.Request["id"] == null) ? "" : context.Request["id"].ToString().Replace(";","").Replace("=","");
        string playBtn = (context.Request["play"] == null) ? "N" : context.Request["play"].ToString().Replace(";","").Replace("=","");
        string photoStr = string.Format("select * from url where url_photoId = '{0}' and url_isRevoke = 'N'", id);
        autoBindDataTable photoSQL = new autoBindDataTable(photoStr);

        if (photoSQL.dataRows.Count == 0) {
            context.Response.End();
            return;
        }

        DataRow photoRow = photoSQL.dataRows[0];

        Stream fileStream;
        Stream waterStream;

        fileStream = File.OpenRead(_path + photoRow["url_fbImage"].ToString());
        waterStream = File.OpenRead(_path + "/pics/play.png");

        Image originImg = globalClass.fileToImage(fileStream);
        Image waterImg = globalClass.fileToImage(waterStream);


        Image outImg;

        if (playBtn == "Y") {
            outImg = globalClass.markImage(originImg, waterImg);
        } else {
            outImg = originImg;
        }

        System.IO.MemoryStream outStream = new System.IO.MemoryStream();
        outImg.Save(outStream, ImageFormat.Png);

        context.Response.ClearHeaders();
        context.Response.Clear();
        context.Response.ClearContent();
        context.Response.Expires = 0;
        context.Response.Buffer = false;
        context.Response.ContentType = "image/png";
        //context.Response.Charset = "utf-8";

        context.Response.BinaryWrite(outStream.ToArray());
        context.Response.End();
        outImg.Dispose();
    }

    public bool IsReusable {
        get {
            return false;
        }
    }

}