qr encode

gistfile1.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ZXing;
using ZXing.Common;
using ZXing.QrCode;
using ZXing.QrCode.Internal;


namespace ConsoleApplication7
{
    class Program
    {
        public static void Toplevel(string qrValue)
        {
            var W = 48;
            var H = 48;
            var height = H;
            var width = W;
            var margin = 0;

            var barcodeWriter = new BarcodeWriter
            {
                Format = BarcodeFormat.QR_CODE,
                Options = new EncodingOptions
                {
                    Height = height,
                    Width = width,
                    Margin = margin
                }
            };
            using (var bitmap = barcodeWriter.Write(qrValue))
            {
                Console.WriteLine(bitmap);
                Console.WriteLine("Width: {0}", bitmap.Width);
                Console.WriteLine("Height: {0}", bitmap.Height);
                Console.WriteLine("Size: {0}", bitmap.Size);
                Console.WriteLine("HResolution: {0}", bitmap.HorizontalResolution);
                Console.WriteLine("VResolution: {0}", bitmap.VerticalResolution);

                //bitmap.Save("foo.bmp");
            }
        }

        static void LowLevel(string qrValue)
        {
            //QRCode
            var writer = new QRCodeWriter();
            var hints = new Dictionary<EncodeHintType, object>();
            var qrCode = ZXing.QrCode.Internal.Encoder.encode("hohoho", ErrorCorrectionLevel.H, hints);
            var bitMatrix = qrCode.Matrix;
            //Console.WriteLine(qrCode.Matrix);
            //var bitMatrix  = writer.encode(qrValue, BarcodeFormat.QR_CODE, W, H);

            for (var y = 0; y < bitMatrix.Height; y++)
            {
                for (var x = 0; x < bitMatrix.Width; x++)
                {
                    Console.Write("{0}", bitMatrix[x, y] == 1 ? "x" : "_");
                }
                Console.WriteLine("");
            }
        }

        static void Main(string[] args)
        {
            var qrValue = "whatever data you want to put in here";
            Toplevel(qrValue);
            LowLevel(qrValue);
        
            Console.ReadLine();
        }
    }
}