zxing.dll










실버라이트 용 QR 라이브러리도 코드플렉스에 있지만.. 요걸 사용하고 싶었다 .


그런데 요놈은 c# 용 레퍼런스가 아무것도 없었다 . 자바와 ios 는 잘되어 있던데 ., 


그래서 AS3 용 코드를 보고 어영부영 따라해 보았다.




















using System;
using System.Drawing;
using System.Windows.Forms;
using AForge.Video.DirectShow;
using AForge.Controls;
using System.Collections;

using com.google.zxing;
using com.google.zxing.common;
using com.google.zxing.qrcode;

using trace;

namespace Xing_TEST
{
    public partial class Form1 : Form
    {
        public static traceDele trace = new traceDele(traceCS.traceMethod);
        public Form1()
        {
            InitializeComponent();
        }

        //aforge player
        private VideoSourcePlayer player;

        //render Data
        private Bitmap captureData;

        //render Region
        private Rectangle captureBound;

        //renderTimer
        private Timer timer;

        //qr member
        private Reader reader;
        private Hashtable hint;
        protected override void OnLoad(EventArgs e)
        {
            //aforge initialize
            player = new VideoSourcePlayer();
            player.Width = 320;
            player.Height = 240;
            FilterInfoCollection device = new FilterInfoCollection(FilterCategory.VideoInputDevice);
            VideoCaptureDevice cam = new VideoCaptureDevice(device[0].MonikerString);
            player.VideoSource = cam;
            player.Start();
            this.Controls.Add(player);

            //captureData initialize
            captureBound = new Rectangle(player.Location.X , player.Location.Y , player.Width+100, player.Height);
            captureData = new Bitmap(player.Width, player.Height);
            Graphics g = Graphics.FromImage(captureData);

            //QR initialize
            reader = new QRCodeReader();
            hint = new Hashtable();
            hint.Add(DecodeHintType.POSSIBLE_FORMATS, BarcodeFormat.QR_CODE);

            //render timer initialize 
            timer = new Timer();
            timer.Tick += new EventHandler(timer_Tick);
            timer.Interval = 30;
            timer.Start();

            base.OnLoad(e);
        }

        void timer_Tick(object sender, EventArgs e)
        {
            //capture
            DrawToBitmap(captureData, captureBound);
            pictureBox1.Image = captureData;

            //QR processing
            RGBLuminanceSource source = new RGBLuminanceSource(captureData, captureData.Width, captureData.Height);
            BinaryBitmap img = new BinaryBitmap(new GlobalHistogramBinarizer(source));
            Result result = null;
            try
            {
                //QR success
                result = reader.decode(img, hint);
            }
            catch{}

            if (result == null)
            {
                //QR fail
                label1.Text = "no decode!";
            }
            else
            {
                //QR Success
                label1.Text = result.Text;
                label2.Text = result.BarcodeFormat.ToString();
            }
        }
        
        //close
        protected override void OnClosed(EventArgs e)
        {
            trace("Close!");
            timer.Stop();
            player.SignalToStop();
            player.WaitForStop();
            base.OnClosed(e);
        }
    }
}