static void Main(string[] args)
{
string sampleText = "aaa";
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(sampleText);
StringBuilder builder = new StringBuilder();
for (int j = 0; j < qrCode.Matrix.Width; j++)
{
for (int i = 0; i < qrCode.Matrix.Width; i++)
{
char charToPrint = qrCode.Matrix[i, j] ? '█' : ' ';
builder.Append(charToPrint);
Console.WriteLine(charToPrint);
}
}
}
private bool GenCode(string content, out MemoryStream ms)
{
ms = new MemoryStream();
ErrorCorrectionLevel ecl = ErrorCorrectionLevel.M;//误差水平
QuietZoneModules qzm = QuietZoneModules.Two;
int moduleSize = 12;
QrEncoder encoder = new QrEncoder(ecl);
QrCode qr;
if (encoder.TryEncode(content, out qr))//对内容进行编码，并保存生成的矩阵
{
var render = new GraphicsRenderer(new FixedModuleSize(moduleSize, qzm));
render.WriteToStream(qr.Matrix, ImageFormat.Jpeg, ms);
return(true);
}
return(false);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">内容</param>
/// <param name="moduleSize">二维码的大小</param>
/// <param name="filePath">为存放的图片路径</param>
/// <returns>输出流</returns>
public static MemoryStream GetQRCode(string content, int moduleSize = 9)
{
var encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = encoder.Encode(content);
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(moduleSize, QuietZoneModules.Two), Brushes.Black, Brushes.White);
MemoryStream memoryStream = new MemoryStream();
render.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, memoryStream);
return(memoryStream);
//生成图片的代码
//DrawingSize dSize = render.SizeCalculator.GetSize(qrCode.Matrix.Width);
//Bitmap map = new Bitmap(dSize.CodeWidth, dSize.CodeWidth);
//Graphics g = Graphics.FromImage(map);
//render.Draw(g, qrCode.Matrix);
//map.Save(fileName, ImageFormat.Jpeg);//fileName为存放的图片路径
}
/// <summary>
/// Utilizando la librería Gma.QrCodeNet creamos una nueva imagen en PNG
/// que será un código QR con el texto que se le de
/// </summary>
/// <param name="guid">Texto que tendrá el código QR</param>
/// <param name="basePath">Base path</param>
/// <returns>Regresa el URL en el que se podrá encontrar la imagen recien
/// guardada</returns>
public static string CreateQr(string guid, string basePath)
{
// Se crea un Stream que tendrá la imagen en JPG utilizando QrCodeNet
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(guid);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(20, QuietZoneModules.Two), Brushes.Black, Brushes.White);
MemoryStream stream = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream, new Point(100, 100));
// Se crea un path donde se guardará el archivo en el disco duro
string filePath = Path.Combine(basePath, String.Format("Storage/Qrs/{0}.png", guid));
PhotoData.SaveQrImageFile(filePath, stream.ToArray());
stream.Close();
// Construimos el URL en el que el navegador podrá descargar la imagen
return(Path.Combine(ConfigurationManager.AppSettings["PhotoPath"], String.Format("Storage/Qrs/{0}.png", guid)));
}
public void GeneraQR(string fecha, string cuit, string ptoVtaNComp, string total, string tipoComp)
{
string fechaJ = fecha.Substring(6) + "-" + fecha.Substring(3, 2) + "-" + fecha.Substring(0, 2);
string cuitJ = cuit.Replace("-", string.Empty);
string ptoVta = ptoVtaNComp.Substring(0, 4);
string nroComp = ptoVtaNComp.Substring(5);
string tipoCompJ = string.Empty;
string ver = "1";
total = total.Replace(",", ".");
if (tipoComp == "A")
{
tipoCompJ = "081";
}
else
{
tipoCompJ = "082";
}
string moneda = "PES";
string ctz = "1";
string tipoCodAut = "E";
string codAut = "70417054367476";
string jsonS = "ver:" + ver + ",fecha:" + fechaJ + ",cuit:" + cuitJ + ",ptoVta:" + ptoVta + ",tipoCmp:" + tipoCompJ + ",nroCmp:" + nroComp + ",importe:" + total + ",moneda:" + moneda + ",ctz:" + ctz + ",tipoCodAut:" + tipoCodAut + ",codAut:" + codAut;
string json64 = Convert.ToBase64String(Encoding.UTF8.GetBytes(jsonS));
string url = "https://www.afip.gob.ar/fe/qr/?p=" + json64;
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(url, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
var imageTemporal = new Bitmap(ms);
var imagen = new Bitmap(imageTemporal, new Size(new Point(200, 200)));
string filePath = Path.Combine(Application.StartupPath + "\\Reportes", "QR.png");
Image ImagenGrb = imagen;
ImagenGrb.Save(filePath);
}
/// <summary>
/// 二维码二进制流
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public byte[] QrCodeCreate(string str)
{
QrCode qrcode = new QrEncoder().Encode(str);
GraphicsRenderer gRenderer = new GraphicsRenderer(new FixedModuleSize(6, QuietZoneModules.Two), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
gRenderer.WriteToStream(qrcode.Matrix, ImageFormat.Png, ms);
Image image = Image.FromStream(ms);
MemoryStream ms1 = new MemoryStream();
image.Save(ms1, ImageFormat.Png);
byte[] arr = new byte[ms1.Length];
ms1.Position = 0L;
ms1.Read(arr, 0, (int)ms1.Length);
ms1.Close();
return(arr);
}
public int qr()
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
String rambon = (new Random().Next(1, 1000)).ToString();
qrEncoder.TryEncode(rambon, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
var imageTemporal = new Bitmap(ms);
return(Convert.ToInt32(qrCode.GetHashCode()));
}
private byte[] CreateQRCode(string data)
{
// generating a barcode here. Code is taken from QrCode.Net library
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(data, out qrCode);
//GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(4, QuietZoneModules.Four), Brushes.Black, Brushes.White);
var memoryStream = new MemoryStream();
//renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, memoryStream);
// very important to reset memory stream to a starting position, otherwise you would get 0 bytes returned
memoryStream.Position = 0;
return(memoryStream.ToArray());
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="url"></param>
public static void Generate1(string url)
{
//创建二维码生成类
QrEncoder qrEncoder = new QrEncoder();
QrCode qrCode = qrEncoder.Encode(url);
//输出显示在控制台
for (int j = 0; j < qrCode.Matrix.Height; j++)
{
for (int i = 0; i < qrCode.Matrix.Width; i++)
{
char charToPoint = qrCode.Matrix[i, j] ? '█' : ' ';
Console.Write(charToPoint);
}
Console.WriteLine();
}
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">二维码内容，可以是url、文本信息</param>
/// <param name="savePath">保存地址</param>
public static void Generate(string content, string savePath)
{
// 二维码容错率
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(content, out qrCode);
using (MemoryStream ms = new MemoryStream())
{
var renderer = new GraphicsRenderer(new FixedModuleSize(18, QuietZoneModules.Two));
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
System.Drawing.Image bitmap = new System.Drawing.Bitmap(ms);
bitmap.Save(savePath, System.Drawing.Imaging.ImageFormat.Png);
}
}
/*
* public static void printList(LTL_LotteryList pNumberList)
* {
* // Configurar impresión para Ticket de Venta
* TicketPrinter ticketPrinter = new TicketPrinter();
* SaleTicket saleTicket = new SaleTicket();
* saleTicket.companyName = UtilityService.getCompanyName();
* // Obtener datos del punto de venta
* LPS_LotteryPointSale pointSale = UtilityService.getPointSale();
* saleTicket.pointSaleName = pointSale.LPS_DisplayName;
* // Obtener datos del sorteo
* LotteryDrawRepository drawRepo = new LotteryDrawRepository();
* LTD_LotteryDraw drawObject = drawRepo.getById(pNumberList.LTD_LotteryDraw);
* saleTicket.drawDate = drawObject.LTD_CreateDate;
* // Obtener datos de tipo de sorteo
* LotteryDrawTypeRepository drawTypeRepo = new LotteryDrawTypeRepository();
* LDT_LotteryDrawType drawType = drawTypeRepo.getById(drawObject.LDT_LotteryDrawType);
* saleTicket.drawTypeCode = drawType.LDT_Code;
* // Llenar datos del número de lista
* saleTicket.createDate = DateTime.Now;
* saleTicket.ticketId = pNumberList.LTL_Id;
* saleTicket.globalId = pointSale.LPS_Id + "" + saleTicket.ticketId;
* saleTicket.customerName = pNumberList.LTL_CustomerName;
* // Obtener detalle de la lista procesada
* LotteryListRepository listRepo = new LotteryListRepository();
* saleTicket.listNumberDetail = listRepo.getTupleListDetail(pNumberList.LTL_Id);
* ticketPrinter.saleTicket = saleTicket;
* // Obtener nombre de impresora y enviar impresión
* string printerName = UtilityService.getTicketPrinterName();
* ticketPrinter.printLotterySaleTicket(printerName);
* }
*/
/*
* public static void printPrizeTicket(LTD_LotteryDraw pDraw, string[] pWinningNumberArray)
* {
* // Configurar impresión para Ticket de Venta
* TicketPrinter ticketPrinter = new TicketPrinter();
* PrizeTicket prizeTicket = new PrizeTicket();
* prizeTicket.companyName = UtilityService.getCompanyName();
* prizeTicket.title = "NÚMEROS PREMIADOS";
* // Obtener datos del punto de venta
* LPS_LotteryPointSale pointSale = UtilityService.getPointSale();
* prizeTicket.pointSaleName = pointSale.LPS_DisplayName;
* prizeTicket.drawDate = pDraw.LTD_CreateDate;
* // Obtener datos de tipo de sorteo
* LotteryDrawTypeRepository drawTypeRepo = new LotteryDrawTypeRepository();
* LDT_LotteryDrawType drawType = drawTypeRepo.getById(pDraw.LDT_LotteryDrawType);
* prizeTicket.drawTypeCode = drawType.LDT_Code;
* // Llenar datos del número de lista
* prizeTicket.createDate = DateTime.Now;
* // Obtener listado de información de ganadores
* LotteryListRepository lotteryListRepository = new LotteryListRepository();
* prizeTicket.listWinningInfo = lotteryListRepository.getWinningNumbersList(pDraw, pWinningNumberArray);
* prizeTicket.winnerNumbers = pWinningNumberArray;
* ticketPrinter.prizeTicket = prizeTicket;
* // Obtener nombre de impresora y enviar impresión
* string printerName = UtilityService.getTicketPrinterName();
* ticketPrinter.printPrizeTicket(printerName);
* }
*/
public static Bitmap buildQRCode(string pCodeText, int pBitmapWidth, int pBitmapHeight)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(pCodeText, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
Bitmap imageTemporal = new Bitmap(ms);
Bitmap imagen = new Bitmap(imageTemporal, new Size(new Point(pBitmapWidth, pBitmapHeight)));
return(imagen);
}
/// <summary>
/// 生成二维码的方法
/// </summary>
/// <param name="str">二维码包含的内容</param>
/// <param name="moduleSize">二维码大小</param>
/// <param name="no">编号</param>
private void createQrCode(string content, int no, int moduleSize = 9)
{
//QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
//QrCode qrCode = new QrCode();
//qrEncoder.TryEncode(str, out qrCode);
string filename = DateTime.Now.ToString("d");
filename = filename.Replace("/", "");
filename = filename.Replace(":", "");
filename = filename.Replace("-", "");
filename = filename.Replace(".", "");
filename = filename.Replace(" ", "");
string filepath = System.AppDomain.CurrentDomain.BaseDirectory + filename;
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
string fileName = filepath + "\\" + no + ".png";
//Renderer renderer = new Renderer(5, Brushes.Black, Brushes.White);
//renderer.CreateImageFile(qrCode.Matrix, @filename, ImageFormat.Png);
//ErrorCorrectionLevel 误差校正水平
//QuietZoneModules 空白区域
var encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = encoder.Encode(content);
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(moduleSize, QuietZoneModules.Two), Brushes.Black, Brushes.White);
//MemoryStream memoryStream = new MemoryStream();
//render.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, memoryStream);
//return memoryStream;
//生成图片的代码
DrawingSize dSize = render.SizeCalculator.GetSize(qrCode.Matrix.Width);
Bitmap map = new Bitmap(dSize.CodeWidth, dSize.CodeWidth);
Graphics g = Graphics.FromImage(map);
render.Draw(g, qrCode.Matrix);
map.Save(fileName, ImageFormat.Png);//fileName为存放的图片路径
}
public AddressViewModel(HdPubKey model)
{
Model = model;
ClipboardNotificationVisible = false;
ClipboardNotificationOpacity = 0;
Task.Run(() =>
{
var encoder = new QrEncoder(ErrorCorrectionLevel.M);
encoder.TryEncode(Address, out var qrCode);
return(qrCode.Matrix.InternalArray);
}).ContinueWith(x =>
{
QrCode = x.Result;
});
}
public string CreateQrCode(string source, string pathFile)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(source, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(8000, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
Bitmap imagenTemporal = new Bitmap(ms);
var imagen = new Bitmap(imagenTemporal, new Size(new Point(200, 200)));
imagen.Save(pathFile, ImageFormat.Png);
return(pathFile);
}
public void Encode_ValidUnicodeContent_ShouldEncodeQrCodeCorrectly()
{
// Arrange
var content = "hello world";
var expectedDataBits = ImageStringToBools(@"
+++++++.+.+.+...+.+++++++
+.....+.++...+++..+.....+
+.+++.+.+.+.++.++.+.+++.+
+.+++.+....++.++..+.+++.+
+.+++.+..+...++.+.+.+++.+
+.....+.+..+..+++.+.....+
+++++++.+.+.+.+.+.+++++++
........++..+..+.........
..+++.+.+++.+.++++++..+++
+++..+..+...++.+...+..+..
+...+.++++....++.+..++.++
++.+.+.++...+...+.+....++
..+..+++.+.+++++.++++++++
+.+++...+..++..++..+..+..
+.....+..+.+.....+++++.++
+.+++.....+...+.+.+++...+
+.+..+++...++.+.+++++++..
........+....++.+...+.+..
+++++++......++++.+.+.+++
+.....+....+...++...++.+.
+.+++.+.+.+...+++++++++..
+.+++.+.++...++...+.++..+
+.+++.+.++.+++++..++.+..+
+.....+..+++..++.+.++...+
+++++++....+..+.+..+..+++
");
// Act
IBarcode qr = QrEncoder.Encode(content, ErrorCorrectionLevel.H, Encoding.Unicode);
// Assert
qr.Should().NotBeNull();
expectedDataBits.Length.Should().Be(qr.Bounds.X * qr.Bounds.Y);
for (int i = 0; i < expectedDataBits.Length; i++)
{
int x = i % qr.Bounds.X;
int y = i / qr.Bounds.X;
qr.At(x, y).Should().Be(expectedDataBits[i], $"of expected bit on index {i}");
}
}
//生成带背景图的二维码图片
public static byte[] QRCodeHasBackImg(string text, int size, bool contentImg, string fg = "#000000", string bg = "#FFFFFF")
{
byte[] result = null;
using (MemoryStream ms = new MemoryStream())
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qr;
if (encoder.TryEncode(text, out qr))
{
//背景图存在 则生成带背景图的;
if (File.Exists(HttpContext.Current.Server.MapPath("~/Images/poster2.jpg")) && contentImg)
{
Image img = Image.FromFile(HttpContext.Current.Server.MapPath("~/Images/poster2.jpg"));
Graphics g = Graphics.FromImage(img);
g.DrawImage(img, 0, 0, 400, 600);
Bitmap image = null;
using (MemoryStream msQR = new MemoryStream())
{
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), new SolidBrush(ColorTranslator.FromHtml(fg)), new SolidBrush(ColorTranslator.FromHtml(bg)));
renderer.WriteToStream(qr.Matrix, ImageFormat.Png, msQR);
var imageTemp = new Bitmap(msQR);
image = new Bitmap(imageTemp, new Size(new Point(size, size)));
}
g.DrawImage(image, 245, 74, image.Width, image.Height);
GC.Collect();
img.Save(ms, ImageFormat.Jpeg);
result = ms.GetBuffer();
}
else
{
//若不存在 则直接生成二维码
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), new SolidBrush(ColorTranslator.FromHtml(fg)), new SolidBrush(ColorTranslator.FromHtml(bg)));
renderer.WriteToStream(qr.Matrix, ImageFormat.Png, ms);
var imageTemp = new Bitmap(ms);
var image = new Bitmap(imageTemp, new Size(new Point(size, size)));
using (MemoryStream ms2 = new MemoryStream())
{
image.Save(ms2, ImageFormat.Jpeg);
result = ms2.GetBuffer();
}
}
}
}
return(result);
}
private void button1_Click(object sender, EventArgs e)
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode code = encoder.Encode(txtURL.Text);
Gma.QrCodeNet.Encoding.Windows.Render.GraphicsRenderer render = new Gma.QrCodeNet.Encoding.Windows.Render.GraphicsRenderer(new Gma.QrCodeNet.Encoding.Windows.Render.FixedModuleSize(5, Gma.QrCodeNet.Encoding.Windows.Render.QuietZoneModules.Two), Brushes.Black, Brushes.White);
using (System.IO.Stream s = new System.IO.MemoryStream())
{
render.WriteToStream(code.Matrix, System.Drawing.Imaging.ImageFormat.Png, s);
Image img = Image.FromStream(s);
pictureBox1.Image = img;
}
//using (System.IO.FileStream s = new System.IO.FileStream("c:\\1.png", System.IO.FileMode.Create))
//{
// render.WriteToStream(code.Matrix, System.Drawing.Imaging.ImageFormat.Png, s);
//}
}
private void ShowCode(Graphics g)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.L);
QrCode qrCode = qrEncoder.Encode(str);
/*
* FixedModuleSize---5-----165*165
* FixedModuleSize---4-----132*132
* FixedModuleSize---3-----99*99
* FixedModuleSize---2-----66*66
* FixedModuleSize---1-----33*33
*/
FixedModuleSize moduleSize = new FixedModuleSize(4, QuietZoneModules.Two);
GraphicsRenderer render = new GraphicsRenderer(moduleSize, Brushes.Black, Brushes.White);
Point mP = new Point(627, 595);//设置二维码左上角的位置
render.Draw(g, qrCode.Matrix, mP);
}
protected void SaveQrCode(string text, string filename)
{//用于保存二维码图像的函数
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
//设置二维码错误修正率
QrCode qrCode = qrEncoder.Encode(text);
//使用text参数进行编码
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two),
Brushes.Black, Brushes.White);
//实例化Renderer对象，
string fileurl = "C://Users//Top//Pictures//Saved Pictures//" + filename + ".png";
using (FileStream stream = new FileStream(fileurl, FileMode.Create))
{
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
//将二维码矩阵写入文件流，设置图片格式为png
}
Console.WriteLine("Your QrCode pictures are stored in " + fileurl);
}
//生成QRCode的函数
public void DrawQRCode(string qrText)
{
//pictureBox1重新生成
pictureBox1.Refresh();
//新建QrEncoder类的对象
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
//新建QrCode类的对象，传入形参
QrCode qrCode = qrEncoder.Encode(qrText);
//新建GraphicsRenderer类的对象
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
//确定绘图初始点
Point padding = new Point(0, 0);
//实例化Graphics类
Graphics graphics = pictureBox1.CreateGraphics();
//将graphics对象导入pictureBox1
render.Draw(graphics, qrCode.Matrix, padding);
}
public static MemoryStream generate_QR_Code(string url)
{
ErrorCorrectionLevel Ecl = ErrorCorrectionLevel.M; //误差校正水平
//string Content = strContent;//待编码内容
QuietZoneModules QuietZones = QuietZoneModules.Two; //空白区域
int ModuleSize = 12; //大小
var encoder = new QrEncoder(Ecl);
QrCode qr;
MemoryStream ms = new MemoryStream();
if (encoder.TryEncode(url, out qr))//对内容进行编码，并保存生成的矩阵
{
var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));
render.WriteToStream(qr.Matrix, ImageFormat.Png, ms);
}
ms.Close();
return(ms);
}
private void button1_Click(object sender, EventArgs e)
{
QrEncoder encoder = new QrEncoder();
QrCode qrCode;
encoder.TryEncode("http://www.fernandobhz.com.br", out qrCode);
GraphicsRenderer gRenderer = new GraphicsRenderer(
new FixedModuleSize(10, QuietZoneModules.Four),
Brushes.Black, Brushes.White);
FileStream fs = new FileStream("C:\\teste.png", FileMode.Create);
gRenderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, fs);
fs.Close();
}
public static MemoryStream GenQrCode(string content, int size)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.L);
QrCode qrCode;
qrEncoder.TryEncode(content, out qrCode);
GraphicsRenderer render = new GraphicsRenderer(new FixedCodeSize(size, QuietZoneModules.Zero), Brushes.Black, Brushes.Transparent);
MemoryStream ms = new MemoryStream();
Bitmap bitmap = new Bitmap(size, size);
Graphics graphics = Graphics.FromImage(bitmap);
graphics.Clear(System.Drawing.Color.White);
render.Draw(graphics, qrCode.Matrix);
bitmap.Save(ms, ImageFormat.Jpeg);
return(ms);
}
public static string GenerateQRCode(string link)
{
try
{
QrEncoder qr_encoder = new QrEncoder();
QrCode code = null;
qr_encoder.TryEncode(link, out code);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(350, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(code.Matrix, ImageFormat.Png, ms);
return(Convert.ToBase64String(ms.GetBuffer()));
}
catch (Exception ex)
{
ex.Message.ToString();
return(null);
}
}
protected override void InitDict()
{
base.InitDict();
if (cu.type == 1)
{
Context.Response.Redirect("/wx/user/index.html"); //仅商户有邀请二维码
}
var qr = new QrEncoder();
var cd = qr.Encode("http://" + cfg.domain + "/wx/invite-" + cu.id + "-" + cu.no + ".html");
var rd = new GraphicsRenderer(new FixedModuleSize(15, QuietZoneModules.Two));
using (var ms = new MemoryStream())
{
rd.WriteToStream(cd.Matrix, ImageFormat.Jpeg, ms);
dict.Add("qr", Convert.ToBase64String(ms.ToArray()));
}
}
/// <summary>
/// Generates an img tag with a data uri encoded image of the QR code from the content given.
/// </summary>
/// <param name="html">
/// </param>
/// <param name="content">
/// </param>
/// <returns>
/// </returns>
public static IHtmlString QrCode(this HtmlHelper html, string content)
{
var enc = new QrEncoder(ErrorCorrectionLevel.H);
var code = enc.Encode(content);
var r = new Renderer(5, Brushes.Black, Brushes.White);
using (var ms = new MemoryStream())
{
r.WriteToStream(code.Matrix, ms, ImageFormat.Png);
var image = ms.ToArray();
return
(html.Raw(String.Format(@"<img src=""data:image/png;base64,{0}"" alt=""{1}"" />",
Convert.ToBase64String(image), content)));
}
}
private void SaveCodeFile(string content, int col_n, string path)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode code = new QrCode();
qrEncoder.TryEncode(content, out code);
const int modelSizeInPixels = 4;
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(modelSizeInPixels, QuietZoneModules.Two)
, Brushes.Black, Brushes.White);
//在目标文件夹创建一个空的.bmp文件
string filename = path + "/" + Program.getString(col_n) + Program.GetContSplit(content) + ".bmp";
using (FileStream fs = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
render.WriteToStream(code.Matrix, ImageFormat.Png, fs);
}
}
Bitmap encodeToBitMap(string data,
double dimension_inches,
float dpi_x = 600,
float dpi_y = 600,
ErrorCorrectionLevel correction_level = ErrorCorrectionLevel.L,
QuietZoneModules quite_zone = QuietZoneModules.Zero
)
{
QrEncoder qrEncoder = new QrEncoder(correction_level);
QrCode qrCode = qrEncoder.Encode(data);
// Calculate number of pixels. Note we use dpi in x direction
// but we should probably use whichever is lowest
int pixels = (int)(dimension_inches * dpi_x);
// Check whether we have enough space
//if (pixels < qrCode.Matrix.Width)
//throw new Exception("Too small");
ISizeCalculation iSizeCal = new FixedCodeSize(pixels, quite_zone);
DrawingBrushRenderer dRenderer = new DrawingBrushRenderer(iSizeCal, System.Windows.Media.Brushes.Black, System.Windows.Media.Brushes.White);
//DrawingBrushRenderer dRenderer = new DrawingBrushRenderer(iSizeCal, System.Windows.Media.Brushes.Black, System.Windows.Media.Brushes.LightGray);
MemoryStream mem_stream = new MemoryStream();
dRenderer.WriteToStream(qrCode.Matrix, ImageFormatEnum.BMP, mem_stream);
Bitmap bitmap = new Bitmap(mem_stream);
bitmap.SetResolution(dpi_x, dpi_y);
// A different way to do the same. Just incase the bitmap.SetResolution function does not work
//System.Windows.Point dpipoint = new System.Windows.Point(dpi, dpi);
//BitmapSource bitmapsource = dRenderer.WriteToBitmapSource(qrCode.Matrix, dpipoint);
//MemoryStream outStream = new MemoryStream();
//BitmapEncoder bitmapencoder = new BmpBitmapEncoder();
//BitmapFrame bitmapframe = BitmapFrame.Create(bitmapsource);
//bitmapencoder.Frames.Add(bitmapframe);
//bitmapencoder.Save(outStream);
//Bitmap bitmap = new System.Drawing.Bitmap(outStream);
return(bitmap);
}
public InformacionUsuario(MainWindow mPrincipal)
{
InitializeComponent();
menuPrincipal = mPrincipal;
Thread.CurrentThread.CurrentUICulture = new CultureInfo(Properties.Settings.Default.idioma);
AplicarIdioma();
AplicarEstilo();
if (Properties.Settings.Default.tamanoLetra == "P")
{
AplicarTamanoLetra(-3);
}
else if (Properties.Settings.Default.tamanoLetra == "G")
{
AplicarTamanoLetra(3);
}
else
{
AplicarTamanoLetra(0);
}
String textExport = "1111" + "[N]" + Properties.Settings.Default.nombre + "[N]" +
"[A]" + Properties.Settings.Default.apellidos + "[A]" +
"[AN]" + Properties.Settings.Default.añoNacimiento + "[AN]" +
"[P]" + Properties.Settings.Default.peso + "[P]" +
"[PRA]" + Properties.Settings.Default.pruebaReflejosAciertos + "[PRA]" +
"[PRF]" + Properties.Settings.Default.pruebaReflejosFallos + "[PRF]" +
"[D]" + Properties.Settings.Default.Daltonico + "[D]" +
"[M]" + Properties.Settings.Default.tipoMovilidad + "[M]";
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(textExport, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), System.Drawing.Brushes.Black, System.Drawing.Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
var imageTemporal = new Bitmap(ms);
var image = new Bitmap(imageTemporal, new System.Drawing.Size(new System.Drawing.Point(200, 200)));
System.Windows.Media.Imaging.BitmapSource b = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(image.GetHbitmap(), IntPtr.Zero, System.Windows.Int32Rect.Empty, BitmapSizeOptions.FromWidthAndHeight(image.Width, image.Height));
codigoQR.Source = b;
}
/// <summary>
/// 写入二维码
/// </summary>
/// <param name="entity"></param>
private void WriteQRCode(QRCodeEntity entity, Dictionary <string, object> dicSource)
{
float CurrentTop = entity.Top + this.CurrentHeight;
string content = string.Empty;
if (entity.ContentType == 2)
{
content = entity.Content;
int beginIndex = content.IndexOf("{{");
int endIndex = content.LastIndexOf("}}");
string key = content.Substring(beginIndex + 2, endIndex - beginIndex - 2);
string Value = dicSource.Value <string, object>(key) as string;
content = Value;
}
else if (entity.ContentType == 1)
{
content = entity.Content;
}
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(content, out qrCode);
using (MemoryStream ms = new MemoryStream())
{
if (entity.ModuleSize <= 0 || entity.ModuleSize > 5)
{
entity.ModuleSize = 3;
}
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(entity.ModuleSize, QuietZoneModules.Two));
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, ms);
Image image = Image.FromStream(ms);
//g.DrawImage(image, new PointF(entity.Left, CurrentTop));
if (entity.Width == 0 || entity.Height == 0)
{
g.DrawImage(image, entity.Left, CurrentTop);
}
else
{
g.DrawImage(image, entity.Left, CurrentTop, entity.Width, entity.Height);
}
}
}
public void QrPerformanceTest()
{
Stopwatch sw = new Stopwatch();
int timesofTest = 1000;
string[] timeElapsed = new string[2];
string testCase = "sdg;alwsetuo1204985lkscvzlkjt;sdfjwltkja;slkdfjoiutLSAFAJ;GLKAJS;LDKJT;LKJ";
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.H);
sw.Start();
for(int i = 0; i < timesofTest; i++)
{
encoder.Encode(testCase);
}
sw.Stop();
timeElapsed[0] = sw.ElapsedMilliseconds.ToString();
sw.Reset();
ErrorCorrectionLevelInternal level = ErrorCorrectionLevelConverter.ToInternal(ErrorCorrectionLevel.H);
QRCodeInternal qrCodeInternal = new QRCodeInternal();
sw.Start();
for(int i = 0; i < timesofTest; i++)
{
EncoderInternal.encode(testCase, level, qrCodeInternal);
}
sw.Stop();
timeElapsed[1] = sw.ElapsedMilliseconds.ToString();
Assert.Pass("Encode performance {0} Tests~ QrCode.Net: {1} ZXing: {2}", timesofTest, timeElapsed[0], timeElapsed[1]);
}
public void Test_against_csv_DataSet(string inputData, ErrorCorrectionLevel errorCorrectionLevel, BitMatrix expectedMatrix)
{
QrEncoder encoder = new QrEncoder(errorCorrectionLevel);
BitMatrix resultMatrix = encoder.Encode(inputData).Matrix;
expectedMatrix.AssertEquals(resultMatrix);
}