<%@ WebHandler Language="C#" Class="cal" %>

using System;
using System.Web;

using ThoughtWorks.QRCode.Codec;
using ThoughtWorks.QRCode.Codec.Data;
using ThoughtWorks.QRCode.Codec.Util;
using System.IO;
using System.Text;
using eMIS.Data;
using System.Drawing;


public class cal : IHttpHandler {

    public void ProcessRequest (HttpContext context) {


        eMIS.Security.eDESCryptography des = new eMIS.Security.eDESCryptography();

        string id = context.Request.QueryString["id"].ToString();

        string n = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");

        //string data = "http://here.sac-china.com/frame/default/NewsContent.aspx?ID="+id;
        string data = "http://here.sac-china.com/frame/default/m_news.aspx?ID="+id;

        QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
        qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
        qrCodeEncoder.QRCodeScale = 4;
        qrCodeEncoder.QRCodeVersion = 8;

       

        qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
        System.Drawing.Bitmap image = qrCodeEncoder.Encode(data);
        System.IO.MemoryStream MStream = new System.IO.MemoryStream();
        image.Save(MStream, System.Drawing.Imaging.ImageFormat.Png);
        context.Response.ClearContent();
        context.Response.ContentType = "image/Png";
        context.Response.BinaryWrite(MStream.ToArray());


        context.Response.Flush();
        context.Response.End();
    }




       /// <summary>  
       /// 生成二维码.  
       /// </summary>  
       /// <param name="data">需要添加进去的文本</param>  
       /// <returns></returns>  
       public System.Drawing.Image GCode(String data)  
       {  
           QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();  
           qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;  
           qrCodeEncoder.QRCodeScale = 5;  
           qrCodeEncoder.QRCodeVersion = 7;  
    
           qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;  
           var pbImg = qrCodeEncoder.Encode(data, System.Text.Encoding.UTF8);  
            var width = pbImg.Width / 10;  
            var dwidth = width * 2;  
           Bitmap bmp = new Bitmap(pbImg.Width + dwidth, pbImg.Height + dwidth);  
           Graphics g = Graphics.FromImage(bmp);  
           var c = System.Drawing.Color.White;  
           g.FillRectangle(new SolidBrush(c), 0, 0, pbImg.Width + dwidth, pbImg.Height + dwidth);  
           g.DrawImage(pbImg, width, width);  
           g.Dispose();  
          return bmp;  
       }  
    
        /// <summary>  
       /// 调用此函数后使此两种图片合并，类似相册，有个  
        /// 背景图，中间贴自己的目标图片  
      /// </summary>  
       /// <param name="sourceImg">粘贴的源图片</param>  
       /// <param name="destImg">粘贴的目标图片</param>  
       public static System.Drawing.Image CombinImage(System.Drawing.Image imgBack, string destImg)  
       {  
   
           System.Drawing.Image img = System.Drawing.Image.FromFile(destImg);        //照片图片    
           if (img.Height != 50 || img.Width != 50) {  
               img = KiResizeImage(img, 50, 50, 0);  
           }  
           Graphics g = Graphics.FromImage(imgBack);  
    
           g.DrawImage(imgBack, 0, 0, imgBack.Width, imgBack.Height);      //g.DrawImage(imgBack, 0, 0, 相框宽, 相框高);   
    
           //g.FillRectangle(System.Drawing.Brushes.White, imgBack.Width / 2 - img.Width / 2 - 1, imgBack.Width / 2 - img.Width / 2 - 1,1,1);//相片四周刷一层黑色边框  
    
           //g.DrawImage(img, 照片与相框的左边距, 照片与相框的上边距, 照片宽, 照片高);  
    
          g.DrawImage(img, imgBack.Width / 2 - img.Width / 2, imgBack.Width / 2 - img.Width / 2 , img.Width, img.Height);  
           GC.Collect();  
           return imgBack;  
       }  
    
       /// <summary>  
       /// Resize图片  
       /// </summary>  
       /// <param name="bmp">原始Bitmap</param>  
       /// <param name="newW">新的宽度</param>  
       /// <param name="newH">新的高度</param>  
       /// <param name="Mode">保留着，暂时未用</param>  
       /// <returns>处理以后的图片</returns>  
       public static System.Drawing.Image KiResizeImage(System.Drawing.Image bmp, int newW, int newH, int Mode)  
       {  
           try 
           {  
               System.Drawing.Image b = new Bitmap(newW, newH);  
               Graphics g = Graphics.FromImage(b);  
    
               // 插值算法的质量  
               g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;  
    
              g.DrawImage(bmp, new Rectangle(0, 0, newW, newH), new Rectangle(0, 0, bmp.Width, bmp.Height), GraphicsUnit.Pixel);  
              g.Dispose();  
    
               return b;  
           }  
			catch 
           {  
                   return null;  
           }  
     }


    public bool IsReusable {
        get {
            return false;
        }
    }

}