public static string GetQRCode(string info)
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(info, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
string path = Environment.CurrentDirectory + "/barcode.jpg";
qrCodeImage.Save(path, System.Drawing.Imaging.ImageFormat.Jpeg);
return(path);
}
private void showQRCode ()
{
string data = String.Format("http://{0}:{1}", cmbIPAddress.Text, txtExternalPort.Text);
QRCode qrCode = new QRCode(qrCodeGenerator.CreateQrCode(data, QRCodeGenerator.ECCLevel.M));
picQRCode.Image = qrCode.GetGraphic(PIXELS_PER_MODULE);
}
private void renderQRCode()
{
string level = comboBoxECC.SelectedItem.ToString();
QRCodeGenerator.ECCLevel eccLevel = (QRCodeGenerator.ECCLevel)(level == "L" ? 0 : level == "M" ? 1 : level == "Q" ? 2 : 3);
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(textBoxQRCode.Text, eccLevel);
QRCode qrCode = new QRCode(qrCodeData);
pictureBoxQRCode.BackgroundImage = qrCode.GetGraphic(20, Color.Black, Color.White, getIconBitmap(), (int)iconSize.Value);
}
public Bitmap Encode()
{
Validation();
QRCodeGenerator generator;
QRCodeData data;
QRCode code;
generator = new QRCodeGenerator();
data = generator.CreateQrCode(QRdata, QRCodeGenerator.ECCLevel.M);
code = new QRCode(data);
QRimage = code.GetGraphic(20);
return(QRimage);
}
private void dataGridView1_SelectionChanged(object sender, EventArgs e)
{
if (dataGridView1.SelectedRows.Count > 0)
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(dataGridView1.SelectedRows[0].Cells[0].Value.ToString(), QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
pictureBox1.Image = qrCode.GetGraphic(20);
tbName.Text = dataGridView1.SelectedRows[0].Cells[1].Value.ToString();
cbClassType.SelectedValue = new Guid(dataGridView1.SelectedRows[0].Cells[2].Value.ToString());
}
}
public IActionResult Index()
{
var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode($"{Guid.Empty}", QRCodeGenerator.ECCLevel.Q);
var qrCode = new QRCode(qrCodeData);
var qrCodeImage = qrCode.GetGraphic(20);
using (var stream = new MemoryStream())
{
qrCodeImage.Save(stream, System.DrawingCore.Imaging.ImageFormat.Jpeg);
return(File(stream.ToArray(), "image/jpeg"));
}
}
public Form1()
{
InitializeComponent();
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(HardwareInfo.GenerateUID("luxData.small"), QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
pictureBox1.Image = qrCodeImage;
}
public IActionResult Index()
{
var userId = 135;
var pass = "******";
var encrypt = StringCipher.Encrypt(userId.ToString(), pass);
var url = $"http://localhost:50001/QRCoder/OTP?md5={encrypt}";
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(url, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
return(View(BitmapToBytes(qrCodeImage)));
}
public static byte[] GenerateQRCode(Guid id)
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(id.ToString(), QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap img = qrCode.GetGraphic(20);
using (var stream = new MemoryStream())
{
img.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
return(stream.ToArray());
}
}
private Bitmap renderQRCode()
{
string url = Request.Url.ToString();
PayloadGenerator.Url myUrl = new PayloadGenerator.Url(url);
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(myUrl.ToString(), QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
//Bitmap qrCodeImage = qrCode.GetGraphic(20);
Bitmap qrCodeImage = qrCode.GetGraphic(20, Color.DarkRed, Color.PaleGreen, true);
return(qrCodeImage);
}
public string ToQRCodeBase64(string source)
{
var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(source, QRCodeGenerator.ECCLevel.Q);
var qrCode = new QRCode(qrCodeData);
string imagebase64 = string.Empty;
using (var qrCodeImage = qrCode.GetGraphic(20, Color.Black, Color.White, true))
{
imagebase64 = ToBase64String(qrCodeImage, ImageFormat.Png);
}
return("data:image/png;base64," + imagebase64);
}
/// <summary>
/// 地理位置
/// </summary>
protected void QR_Geolocation()
{
//Geolocation generator = new Geolocation("51.26118", "6.6717");
Geolocation generator = new Geolocation("30.6717", "121.26118");
string payload = generator.ToString();
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(payload, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
QR = qrCode.GetGraphic(4);
QR_show.Image = QR.GetThumbnailImage(300, 300, null, IntPtr.Zero);
}
private void button1_Click(object sender, EventArgs e)
{
Image barcode = code128.Encode(BarcodeLib.TYPE.CODE128, textBox1.Text);
pictureBox1.Image = barcode;
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCode qrCode = new QRCode(qrGenerator.CreateQrCode(textBox2.Text,
QRCodeGenerator.ECCLevel.Q));
pictureBox2.Image = qrCode.GetGraphic(2, Color.Black, Color.White, false);
qrGenerator.Dispose();
qrCode.Dispose();
}
private async Task <string> CreateQRCode()
{
string text = Guid.NewGuid().ToString();
QRCodeGenerator qrCodeGen = new QRCodeGenerator();
QRCodeData qrCodeData = qrCodeGen.CreateQrCode(text, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
string qrCodeImagePath = text + ".png";
await this.PostImageToBlob(qrCodeImage, qrCodeImagePath);
return(qrCodeImagePath);
}
public IActionResult Qr(string value)
{
ViewBag.Features = _featuresSettings;
ViewBag.Setup = _setupSettings;
var memoryStream = new MemoryStream();
var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(value, QRCodeGenerator.ECCLevel.L);
var qrCode = new QRCode(qrCodeData);
qrCode.GetGraphic(20, Color.Black, Color.White, false).Save(memoryStream, ImageFormat.Png);
return(File(memoryStream.ToArray(), "image/png"));
}
public static string GenerateQrFrom(string text)
{
var qrGenerator = new QRCodeGenerator();
var qrCode = qrGenerator.CreateQrCode(text, QRCodeGenerator.ECCLevel.Q);
var qr = new QRCode(qrCode);
using var bitMap = qr.GetGraphic(20);
using var ms = new MemoryStream();
bitMap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
var byteImage = ms.ToArray();
return("data:image/png;base64," + Convert.ToBase64String(byteImage));
}
/// <summary>
/// 邮箱
/// </summary>
protected void QR_Mail()
{
Mail generator = new Mail("*****@*****.**", "康康这个!", "这个邮件来自扫描二维码!",
encoding: Mail.MailEncoding.MATMSG);
string payload = generator.ToString();
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(payload, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
QR = qrCode.GetGraphic(3);
QR_show.Image = QR.GetThumbnailImage(300, 300, null, IntPtr.Zero);
}
void LoadHI3510()
{
var Params = Downloading.GetP2P(conf.IP, conf.Name, conf.Password);
if (Params.Count < 1)
{
tabControl1.TabPages.Remove(tabPage4); return;
}
textBox11.Text = Params["xqp2p_uid"];
var QRCode = new QRCode(new QRCodeGenerator().CreateQrCode(textBox1.Text, QRCodeGenerator.ECCLevel.M));
pictureBox1.Image = QRCode.GetGraphic(8, Color.Black, Color.White, Properties.Resources.camera, 15, 6, false);
}
static void Main(string[] args)
{
Console.WriteLine("Hello world");
Url generator = new Url("https://www.codingindfw.com");
string payload = generator.ToString();
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(payload, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
var qrCodeAsBitmap = qrCode.GetGraphic(20);
qrCodeAsBitmap.Save("./qrcode.bmp");
}
private void DrawQRCode(XGraphics gfx)
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode("https://eplast.westeurope.cloudapp.azure.com/userpage/main/" + $"{blank.User.Id}", QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(1);
using var ms = new MemoryStream();
qrCodeImage.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
XImage xImage = XImage.FromStream(() => new MemoryStream(ms.ToArray()));
gfx.DrawImage(xImage, 480, 720);
}
public static Bitmap GenerateQrCode(string str, int pixelsPerModule = 20, string darkColor = "#000", string lightColor = "#fff")
{
using (var qrGenerator = new QRCodeGenerator())
{
using (var qrCodeData = qrGenerator.CreateQrCode(str, QRCodeGenerator.ECCLevel.Q))
{
using (var qrCode = new QRCode(qrCodeData))
{
return(qrCode.GetGraphic(pixelsPerModule, darkColor, lightColor));
}
}
}
}
//二维码文本 -> 二维码图片
private void getQRCodeImg(string qrCodeText, int pixelPerModel, string imgPath)
{
//QRCodeData qRCodeData = ;
QRCodeGenerator qRCodeGenerator = new QRCodeGenerator();
QRCode qrCode = new QRCode(qRCodeGenerator.CreateQrCode(qrCodeText, QRCodeGenerator.ECCLevel.M));
//Bitmap qrCodeImg = qrCode.GetGraphic(pixelPerModel);
qrCode.GetGraphic(pixelPerModel, Color.Black, Color.White, false).Save(imgPath);
//qrCodeImg.Save(imgPath);
qRCodeGenerator.Dispose();
qrCode.Dispose();
}
private void renderQRCode()
{
QRCodeGenerator.ECCLevel eccLevel = (QRCodeGenerator.ECCLevel)cbLevel.SelectedIndex;
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(textBoxQRCode.Text, eccLevel);
QRCode qrCode = new QRCode(qrCodeData);
int iconSize = (int)numIconSize.Value;
int cellSize = (int)numCellSize.Value;
int padding = (int)numPadding.Value;
pictureBoxQRCode.BackgroundImage = qrCode.GetGraphic(cellSize, Color.Black, Color.White, getIconBitmap(), iconSize, padding);
}
/// <inheritdoc />
public byte[] CreateQRCode(string text)
{
using var qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(text, QRCodeGenerator.ECCLevel.Q);
using var qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
var code = BitmapToBytes(qrCodeImage);
return(code);
}
public Task <Image> EncodeImage(string content, int pixelPerModule = ImagingConstants.DefaultQRCodePixelPerModule)
{
if (pixelPerModule < ImagingConstants.MinimalQRCodePixelPerModule)
{
pixelPerModule = ImagingConstants.DefaultQRCodePixelPerModule;
}
var qrcodeData = this.GetQRCodeData(content);
var qrcode = new QRCode(qrcodeData);
Bitmap qrcodeImage = qrcode.GetGraphic(pixelPerModule);
return(Task.FromResult <Image>(qrcodeImage));
}
public bool UriToQrCode(string url)
{
try
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(url, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
qrCodeImage.Save("temp.jpg", ImageFormat.Jpeg);
return(true);
}
catch (Exception e) { throw e; }
}
public static byte[] GeneratorQRCode(string content)
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(content, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
var qrCodeImage = qrCode.GetGraphic(20, Color.Black, Color.White, true);
using (MemoryStream stream = new MemoryStream())
{
qrCodeImage.Save(stream, ImageFormat.Png);
return(stream.ToArray());
}
}
public Task <Bitmap> CodeToImage(string text, QRCodeSetting codeSetting)
{
var codeSettingInternal = codeSetting ?? new QRCodeSetting();
QRCodeGenerator.ECCLevel level = (QRCodeGenerator.ECCLevel)(int) codeSettingInternal.Level;
QRCodeData codeData = generator.CreateQrCode(text ?? string.Empty, level, true);
using (QRCode qrcode = new QRCode(codeData))
{
var bitmap = qrcode.GetGraphic(codeSettingInternal.PixelsPerModule, codeSettingInternal.ForeColor, codeSettingInternal.BackColor, codeSettingInternal.DrawQuietZones);
return(Task.FromResult(bitmap));
}
}
public MemoryStream GenerateQRBitmap(string key)
{
var generator = new QRCodeGenerator();
var data = generator.CreateQrCode(key, QRCodeGenerator.ECCLevel.L);
var code = new QRCode(data);
var bitmap = code.GetGraphic(5);
var stream = new MemoryStream();
bitmap.Save(stream, bitmap.RawFormat);
stream.Position = 0;
return(stream);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">内容</param>
/// <returns></returns>
public Task <byte[]> GenerateQRCode(string content)
{
var generator = new QRCodeGenerator();
var codeData = generator.CreateQrCode(content, QRCodeGenerator.ECCLevel.M, true);
QRCode qrCode = new QRCode(codeData);
var bitmapImg = qrCode.GetGraphic(10, Color.Black, Color.White, true);
using MemoryStream stream = new MemoryStream();
bitmapImg.Save(stream, ImageFormat.Jpeg);
return(Task.FromResult(stream.GetBuffer()));
}
/*[Authorize]*/
public HttpContextUtils.CommonDataResponse GenerateCodeForString(string input)
{
var response = new HttpContextUtils.CommonDataResponse {
IsError = false
};
var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(input, QRCodeGenerator.ECCLevel.Q);
var qrCode = new QRCode(qrCodeData);
var qrCodeImage = qrCode.GetGraphic(20);
response.Data = GetFileFromBytes(BitmapToBytes(qrCodeImage, input));
return(response);
}
private string SaveQrCodeImage(EquipmentInfo equipmentInfo)
{
var qrcodeUrl = _host + "/EquipmentInfo/ViewInWeChat?id=" + equipmentInfo.Id;
var qrGenerator = new QRCoder.QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(qrcodeUrl, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(100);
var fileName = $"{equipmentInfo.Id}.png";
var fullfileName = Path.Combine(StorageRoot, fileName);
qrCodeImage.Save(fullfileName, ImageFormat.Png);
return(VirtualPath.Replace("~", "") + fileName);
}
public QRLinkWindow(PedroFileDownload fileData)
{
InitializeComponent();
//PayloadGenerator.Url url2 = new PayloadGenerator.Url("www.google.es");
PayloadGenerator.Url url = new PayloadGenerator.Url(fileData.Url + @"/index.html");
//PayloadGenerator.WiFi wifiPayload = new PayloadGenerator.WiFi("MyWiFi-SSID", "MyWiFi-Pass", PayloadGenerator.WiFi.Authentication.WPA);
QRCodeGenerator.ECCLevel eccLevel= QRCodeGenerator.ECCLevel.L;
QRCodeGenerator qrGenerator = new QRCodeGenerator();
//QRCodeData qrCodeData = qrGenerator.CreateQrCode(@fileData.Url+@"\index.html", eccLevel);
QRCodeData qrCodeData = qrGenerator.CreateQrCode(url.ToString(), eccLevel);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeBitmap = qrCode.GetGraphic(20, "#000000", "#ffffff");
ImageSource qrImageSource =ConvertBitmapToBitmapImage(qrCodeBitmap);
imgQrCode.Source = qrImageSource;
}
private static Bitmap CreateQrBitmap(string content)
{
QRCodeGenerator.ECCLevel eccLevel = QRCodeGenerator.ECCLevel.Q;
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(content, eccLevel);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap bitmap = qrCode.GetGraphic(20);
return bitmap;
}
public ActionResult GenerateAuthQrCode(string key)
{
var ProvisionUrl = string.Format("otpauth://totp/{0}:{1}?secret={2}", Config.Title, User.Identity.Name, key);
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(ProvisionUrl, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
return File(Helpers.Utility.ImageToByte(qrCodeImage), "image/png");
}
private void renderQRCode()
{
string level = comboBox1.SelectedItem.ToString();
QRCodeGenerator.ECCLevel eccLevel = (QRCodeGenerator.ECCLevel)(level == "L" ? 0 : level == "M" ? 1 : level == "Q" ? 2 : 3);
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(textBoxQRCode.Text, eccLevel);
QRCode qrCode = new QRCode(qrCodeData);
pictureBoxQRCode.BackgroundImage = qrCode.GetGraphic(20, Color.Black, Color.White, getIconBitmap());
//Image card = qrCode.GetGraphic(20, Color.Black, Color.White, getIconBitmap());
//using (FileStream fs = new FileStream(@"D:\图片\58.png", FileMode.OpenOrCreate, FileAccess.Write))
//{
// card.Save(fs, System.Drawing.Imaging.ImageFormat.Jpeg);
// fs.Close();
//}
}
static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("No source file location parameter provided.");
}
else
{
try
{
string sourceFile = args[0];
Console.WriteLine("Source file: " + args[0]);
TextFieldParser parser = new TextFieldParser(sourceFile);
parser.HasFieldsEnclosedInQuotes = true;
parser.SetDelimiters(",");
// Get headers
string[] headerArray = parser.ReadFields();
// Get contents
List<string[]> rowList = new List<string[]>();
while (!parser.EndOfData)
{
rowList.Add(parser.ReadFields());
}
Parallel.ForEach(rowList, (row) =>
{
try
{
string line = "";
for (int i = 0; i < row.Length; i++)
{
line += String.Format("{0}: {1}\n", headerArray[i], row[i]).ToUpper();
}
Console.Write(line);
// Create identifier
string identifier = String.Format("{0}, {1} {2}", row[2], row[0], row[1]).ToUpper().Replace("N/A", String.Empty);
// Generate qr code image
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(line, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
Directory.CreateDirectory("output");
// Save image to file
qrCodeImage.Save(String.Format("output\\{0}.jpg", identifier));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
});
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
Console.Write("Press any key to continue...");
Console.ReadKey();
}
public static Image GenerateQRCode(byte[] data, int ppm = 4)
{
using (var generator = new QRCodeGenerator())
using (var qr_data = generator.CreateQRCode(data))
using (var qr_code = new QRCode(qr_data))
return qr_code.GetGraphic(ppm);
}
private void RenderQrCode()
{
string level = comboBoxECC.SelectedItem.ToString();
QRCodeGenerator.ECCLevel eccLevel = (QRCodeGenerator.ECCLevel)(level == "L" ? 0 : level == "M" ? 1 : level == "Q" ? 2 : 3);
using (QRCodeGenerator qrGenerator = new QRCodeGenerator())
{
using (QRCodeData qrCodeData = qrGenerator.CreateQrCode(textBoxQRCode.Text, eccLevel))
{
using (QRCode qrCode = new QRCode(qrCodeData))
{
pictureBoxQRCode.BackgroundImage = qrCode.GetGraphic(20, Color.Black, Color.White,
GetIconBitmap(), (int) iconSize.Value);
this.pictureBoxQRCode.Size = new System.Drawing.Size(pictureBoxQRCode.Width, pictureBoxQRCode.Height);
//Set the SizeMode to center the image.
this.pictureBoxQRCode.SizeMode = PictureBoxSizeMode.CenterImage;
pictureBoxQRCode.SizeMode = PictureBoxSizeMode.StretchImage;
}
}
}
}
private static void GenerateQRCode(string payloadString, QRCodeGenerator.ECCLevel eccLevel, string outputFileName, ImageFormat imgFormat)
{
using (var generator = new QRCodeGenerator())
{
using (var data = generator.CreateQrCode(payloadString, eccLevel))
{
using (var code = new QRCode(data))
{
using (var bitmap = code.GetGraphic(20))
{
bitmap.Save(outputFileName, imgFormat);
}
}
}
}
}
// QR7 Utility
public static Image GenerateQRCode7(PK7 pk7, int box = 0, int slot = 0, int num_copies = 1)
{
byte[] data = QR7.GenerateQRData(pk7, box, slot, num_copies);
using (var generator = new QRCodeGenerator())
using (var qr_data = generator.CreateQRCode(data))
using (var qr_code = new QRCode(qr_data))
return qr_code.GetGraphic(4);
}
