public static async Task <WriteableBitmap> GenerateQRCodeAsync(string content, MyColor darkColor, MyColor lightColor = null)
{
if (darkColor == null)
{
throw new ArgumentNullException(nameof(darkColor));
}
var payload = new PayloadGenerator.Url(content ?? string.Empty);
byte[] GetRGB(MyColor c) => new[] { c.R, c.G, c.B };
using (var generator = new QRCodeGenerator())
using (var data = generator.CreateQrCode(payload.ToString(), ECCLevel.Q))
using (var code = new BitmapByteQRCode(data))
using (var stream = new InMemoryRandomAccessStream())
using (var writer = new DataWriter(stream.GetOutputStreamAt(0)))
{
var darkRGB = GetRGB(darkColor);
var lightRGB = lightColor == null ?
new[] { Byte.MaxValue, Byte.MaxValue, Byte.MaxValue, }
: GetRGB(lightColor);
writer.WriteBytes(code.GetGraphic(20, darkRGB, lightRGB));
await writer.StoreAsync();
var bitmap = new WriteableBitmap(1024, 1024);
await bitmap.SetSourceAsync(stream);
return(bitmap);
}
}
public async Task <byte[]> CreateQRAsync(string text)
{
//if (comboBoxECC.SelectedItem != null)
{
//Create generator
string level = "Q";
QRCodeGenerator.ECCLevel eccLevel = (QRCodeGenerator.ECCLevel)(level == "L" ? 0 : level == "M" ? 1 : level == "Q" ? 2 : 3);
//Create raw qr code data
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(text, eccLevel);
//Create byte/raw bitmap qr code
BitmapByteQRCode qrCodeBmp = new BitmapByteQRCode(qrCodeData);
byte[] qrCodeImageBmp = qrCodeBmp.GetGraphic(20, new byte[] { 0, 0, 0 }, new byte[] { 255, 255, 255 });
////Create byte/raw png qr code
//PngByteQRCode qrCodePng = new PngByteQRCode(qrCodeData);
//byte[] qrCodeImagePng = qrCodePng.GetGraphic(20, new byte[] { 144, 201, 111 }, new byte[] { 118, 126, 152 });
//QRImage.Source = LoadImage(qrCodeImageBmp);
return(qrCodeImageBmp);
}
}
private async Task CreateQR(int index)
{
this.tb2.Text = "PDU-ID: " + index;
var url = string.Format(UrlTextBox.Text, index);
var qrGenerator = new QRCodeGenerator();
var payload = new PayloadGenerator.Url(url);
var dark = new[] { byte.MinValue, byte.MinValue, byte.MinValue };
var light = new[] { byte.MaxValue, byte.MaxValue, byte.MaxValue };
var qrCodeData = qrGenerator.CreateQrCode(payload, QRCodeGenerator.ECCLevel.Q);
var qrCode = new BitmapByteQRCode(qrCodeData);
var qrCodeImage = qrCode.GetGraphic(20, dark, light);
using (var stream = new InMemoryRandomAccessStream())
{
using (var writer = new DataWriter(stream.GetOutputStreamAt(0)))
{
writer.WriteBytes(qrCodeImage);
await writer.StoreAsync();
}
var image = new BitmapImage();
await image.SetSourceAsync(stream);
QRImage.Source = image;
}
}
private PdfPTable Barcode()
{
PdfPTable pdf = new PdfPTable(3);
var content = exporterDeclaration.Select(i => i.CciNo).FirstOrDefault();
QRCodeGenerator qr = new QRCodeGenerator();
QRCodeData codeData = qr.CreateQrCode(content, QRCodeGenerator.ECCLevel.Q);
BitmapByteQRCode qrCode = new BitmapByteQRCode(codeData);
byte[] qrCodeAsBitmapByteArr = qrCode.GetGraphic(3);
Image image = Image.GetInstance(qrCodeAsBitmapByteArr);
pdfPCell = new PdfPCell(image);
pdfPCell.Colspan = 3;
pdfPCell.HorizontalAlignment = Element.ALIGN_RIGHT;
pdfPCell.VerticalAlignment = Element.ALIGN_MIDDLE;
pdfPCell.Border = 0;
pdfPCell.ExtraParagraphSpace = 0;
pdfTable.AddCell(pdfPCell);
pdf.CompleteRow();
return(pdf);
}
public void renderCode()
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode("https://remote.mimic.lol/" + hubCode, QRCodeGenerator.ECCLevel.Q);
BitmapByteQRCode qrCode = new BitmapByteQRCode(qrCodeData);
byte[] qrCodeAsBitmapByteArr = qrCode.GetGraphic(20);
// ConnectionQR.Source = qrCode.GetGraphic(20);
// ConnectionQR.Visibility = Visibility.Visible;
// CodeLabel.Content = Persistence.GetHubCode();
// CodeLabel.Visibility = Visibility.Visible;
// ConnectionSteps.Visibility = Visibility.Visible;
// NoCodeText.Visibility = Visibility.Hidden;
NSData imageData = NSData.FromArray(qrCodeAsBitmapByteArr);
QRCodeImage.Image = new NSImage(imageData);
codeLabel.StringValue = hubCode;
}
public async Task <ActionResult> Generate()
{
string input = null;
// If not data came in, then return
if (this.Request.Body == null)
{
return(StatusCode((int)HttpStatusCode.Conflict, new B2CResponseModel("Request content is null", HttpStatusCode.Conflict)));
}
// Read the input claims from the request body
using (StreamReader reader = new StreamReader(Request.Body, Encoding.UTF8))
{
input = await reader.ReadToEndAsync();
}
// Check input content value
if (string.IsNullOrEmpty(input))
{
return(StatusCode((int)HttpStatusCode.Conflict, new B2CResponseModel("Request content is empty", HttpStatusCode.Conflict)));
}
// Convert the input string into InputClaimsModel object
InputClaimsModel inputClaims = InputClaimsModel.Parse(input);
if (inputClaims == null)
{
return(StatusCode((int)HttpStatusCode.Conflict, new B2CResponseModel("Can not deserialize input claims", HttpStatusCode.Conflict)));
}
try
{
// Define the URL for the QR code. When user scan this URL, it opens one of the
// authentication apps running on the mobile device
byte[] secretKey = KeyGeneration.GenerateRandomKey(20);
string TOTPUrl = KeyUrl.GetTotpUrl(secretKey, $"{AppSettings.TOTPAccountPrefix}:{inputClaims.userName}",
AppSettings.TOTPTimestep);
TOTPUrl = $"{TOTPUrl}&issuer={AppSettings.TOTPIssuer.Replace(" ", "%20")}";
// Generate QR code for the above URL
var qrCodeGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrCodeGenerator.CreateQrCode(TOTPUrl, QRCodeGenerator.ECCLevel.L);
BitmapByteQRCode qrCode = new BitmapByteQRCode(qrCodeData);
byte[] qrCodeBitmap = qrCode.GetGraphic(4);
B2CResponseModel output = new B2CResponseModel(string.Empty, HttpStatusCode.OK)
{
qrCodeBitmap = Convert.ToBase64String(qrCodeBitmap),
secretKey = this.EncryptAndBase64(Convert.ToBase64String(secretKey))
};
return(Ok(output));
}
catch (Exception ex)
{
return(StatusCode((int)HttpStatusCode.Conflict, new B2CResponseModel($"General error (REST API): {ex.Message}", HttpStatusCode.Conflict)));
}
}
private async void button_Click(object sender, RoutedEventArgs e)
{
if (comboBoxECC.SelectedItem != null)
{
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("The text which should be encoded.", eccLevel);
BitmapByteQRCode qrCode = new BitmapByteQRCode(qrCodeData);
byte[] qrCodeImage = qrCode.GetGraphic(20);
using (InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream())
{
using (DataWriter writer = new DataWriter(stream.GetOutputStreamAt(0)))
{
writer.WriteBytes(qrCodeImage);
await writer.StoreAsync();
}
var image = new BitmapImage();
await image.SetSourceAsync(stream);
imageViewer.Source = image;
}
}
}
public byte[] Create(string data, QRCodeLevel level, int pixelsPerModule, string darkColorHtmlHex, string lightColorHtmlHex)
{
QRCodeGenerator.ECCLevel lv = (QRCodeGenerator.ECCLevel)((int)level);
var qrcodeData = CreateQrCode(data, lv);
BitmapByteQRCode code = new BitmapByteQRCode(qrcodeData);
return(code.GetGraphic(pixelsPerModule, darkColorHtmlHex: darkColorHtmlHex, lightColorHtmlHex: lightColorHtmlHex));
}
public byte[] Create(string data, QRCodeLevel level = QRCodeLevel.Q, int pixelsPerModule = 20)
{
QRCodeGenerator.ECCLevel lv = (QRCodeGenerator.ECCLevel)((int)level);
var qrcodeData = CreateQrCode(data, lv);
BitmapByteQRCode code = new BitmapByteQRCode(qrcodeData);
return(code.GetGraphic(pixelsPerModule));
}
/// <summary>
/// 绘制二维码(有边距)
/// </summary>
/// <param name="content"></param>
/// <returns>Bitmap</returns>
public byte[] RenderBitmapBytes(string content)
{
QRCodeGenerator generator = new QRCodeGenerator();
QRCodeData data = generator.CreateQrCode(content, _eccLevel);
var qrCode = new BitmapByteQRCode(data);
return(qrCode.GetGraphic(Config.Size, Config.DarkColor, Config.LightColor));
}
/// <summary>
/// 创建二维码
/// </summary>
/// <param name="content">内容</param>
public byte[] CreateQrCode(string content)
{
QRCodeGenerator generator = new QRCodeGenerator();
QRCodeData data = generator.CreateQrCode(content, level);
BitmapByteQRCode qrCode = new BitmapByteQRCode(data);
return(qrCode.GetGraphic(size));
}
public Bitmap stringToBitmap(string contents)
{
qRCodeData = qRCodeGenerator.CreateQrCode(contents, QRCodeGenerator.ECCLevel.H);
bitmapByteQRCode = new BitmapByteQRCode(qRCodeData);
return(BitmapFactory.DecodeByteArray(bitmapByteQRCode.GetGraphic(20), 0,
bitmapByteQRCode.GetGraphic(20).Length));
}
private byte[] GetQrCodeBytes(string url)
{
var payload = new PayloadGenerator.Url(url);
var qrCode = new BitmapByteQRCode(_qrGenerator.CreateQrCode(payload));
var bytes = qrCode.GetGraphic(3);
return(bytes);
}
/// <summary>
/// 创建二维码
/// </summary>
/// <param name="content">内容</param>
public byte[] CreateQrCode(string content)
{
var generator = new QRCodeGenerator();
var data = generator.CreateQrCode(content, _level);
var qrCode = new BitmapByteQRCode(data);
return(qrCode.GetGraphic(_size));
}
public static byte[] GenerateQRCode(string input)
{
QRCoder.QRCodeGenerator qrGenerator = new QRCoder.QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(input, QRCoder.QRCodeGenerator.ECCLevel.Q);
BitmapByteQRCode qrCode = new BitmapByteQRCode(qrCodeData);
return(qrCode.GetGraphic(10));
}
public IActionResult GetQrCode([FromRoute] string sessionName)
{
var gen = new QRCodeGenerator();
var data = gen.CreateQrCode($"{_clientConfiguration.Url}/#/join/{_sanitizerService.LettersAndDigits(sessionName)}", QRCodeGenerator.ECCLevel.Q);
var qrcode = new BitmapByteQRCode(data);
var byteArray = qrcode.GetGraphic(20);
return(File(byteArray, "image/bmp"));
}
public FileContentResult MakeQrCode(string data)
{
var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(data, QRCodeGenerator.ECCLevel.Q);
var qrCode = new BitmapByteQRCode(qrCodeData);
var qrCodeImage = qrCode.GetGraphic(20);
return(File(qrCodeImage, "image/gif"));
}
public MemoryStream GenerateQRCode(string code)
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(code, QRCodeGenerator.ECCLevel.Q);
BitmapByteQRCode bitmapByte = new BitmapByteQRCode(qrCodeData);
return(new MemoryStream(bitmapByte.GetGraphic(20)));
}
public Bitmap stringToBitmap(string name, string number)
{
string temp = "{\"name\":\"" + name + "\",\"number\":\"" + number + "\"}";
qRCodeData = qRCodeGenerator.CreateQrCode(temp, QRCodeGenerator.ECCLevel.H);
bitmapByteQRCode = new BitmapByteQRCode(qRCodeData);
return(BitmapFactory.DecodeByteArray(bitmapByteQRCode.GetGraphic(20), 0,
bitmapByteQRCode.GetGraphic(20).Length));
}
public QrCodeDialog(string title, string description, QRCodeData qrData)
{
this.title = title;
this.Description = description;
this.InitializeComponent();
dialogBrush = new ClientDialogBrush();
BitmapByteQRCode qrCode = new BitmapByteQRCode(qrData);
qrCodeImageBmp = qrCode.GetGraphic(20);
LoadQrImage();
}
public void Init()
{
Address = FindParent <WalletLayout>().Address;
labelAddress.Text = Address;
var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(Address, QRCodeGenerator.ECCLevel.Q);
var qrCode = new BitmapByteQRCode(qrCodeData);
_QrCodeImage = qrCode.GetGraphic(20);
}
public async Task <IActionResult> GenerateAsync(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = "totp/generate")]
HttpRequest request, ILogger log)
{
log.LogInformation("Start QrCode Generate Function.");
if (request.Body is null)
{
return(StatusCode((int)HttpStatusCode.Conflict, new B2CResponseModel("Request content is null", HttpStatusCode.Conflict)));
}
var input = await new StreamReader(request.Body, Encoding.UTF8).ReadToEndAsync();
if (string.IsNullOrEmpty(input))
{
return(StatusCode((int)HttpStatusCode.Conflict, new B2CResponseModel("Request content is empty", HttpStatusCode.Conflict)));
}
var inputClaims = InputClaimsModel.Parse(input);
if (inputClaims == null)
{
return(StatusCode((int)HttpStatusCode.Conflict, new B2CResponseModel("Can not deserialize input claims", HttpStatusCode.Conflict)));
}
try
{
var secretKey = KeyGeneration.GenerateRandomKey(20);
var TOTPUrl = GetTotpUrl(secretKey
, inputClaims.UserName
, _options.TOTPIssuer
, _options.TOTPTimestep
, _options.TOTPAccountPrefix);
// Generate QR code for the above URL
var qrCodeGenerator = new QRCodeGenerator();
var qrCodeData = qrCodeGenerator.CreateQrCode(TOTPUrl, QRCodeGenerator.ECCLevel.L);
var qrCode = new BitmapByteQRCode(qrCodeData);
var qrCodeBitmap = qrCode.GetGraphic(4);
var output = new B2CResponseModel(string.Empty, HttpStatusCode.OK)
{
QrCodeBitmap = Convert.ToBase64String(qrCodeBitmap),
SecretKey = EncryptAndBase64(Convert.ToBase64String(secretKey))
};
return(Ok(output));
}
catch (Exception e)
{
return(StatusCode((int)HttpStatusCode.Conflict, new B2CResponseModel($"General error (REST API): {e.Message}", HttpStatusCode.Conflict)));
}
}
private string QRCodegenerator()
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qRCodeData = qrGenerator.CreateQrCode("derob", QRCodeGenerator.ECCLevel.M);
//create byte/raw bitmap qr code
BitmapByteQRCode qrCodeBmp = new BitmapByteQRCode(qRCodeData);
byte[] qrCodeImageBmp = qrCodeBmp.GetGraphic(4);
var h = Convert.ToBase64String(qrCodeImageBmp);
return(h);
}
public void Handle(string input)
{
var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(input, QRCodeGenerator.ECCLevel.Q);
var qrCode = new BitmapByteQRCode(qrCodeData);
var qrCodeAsBitmapByteArray = qrCode.GetGraphic(20);
using (Stream outStream = Console.OpenStandardOutput())
{
outStream.Write(qrCodeAsBitmapByteArray, 0, qrCodeAsBitmapByteArray.Length);
}
}
private string QRCodegenerator(string ticketbarcode)
{
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qRCodeData = qrGenerator.CreateQrCode(ticketbarcode, QRCodeGenerator.ECCLevel.M);
//create byte/raw bitmap qr code
BitmapByteQRCode qrCodeBmp = new BitmapByteQRCode(qRCodeData);
byte[] qrCodeImageBmp = qrCodeBmp.GetGraphic(4);
//var h = Convert.ToBase64String(qrCodeImageBmp);
var qrurl = String.Format("data:image/png;base64,{0}", Convert.ToBase64String(qrCodeImageBmp));
return(qrurl);
}
public (byte[] content, string mimeType) GetSiteUrlQrCode()
{
string siteUrl = configuration.GetServerUrls().First();
QRCodeGenerator qrGenerator = new QRCodeGenerator();
PayloadGenerator.Bookmark bookmark = new PayloadGenerator.Bookmark(siteUrl, "Adres do pilota");
QRCodeData qrCodeData = qrGenerator.CreateQrCode(bookmark);
BitmapByteQRCode qrCode = new BitmapByteQRCode(qrCodeData);
byte[] qrCodeBytes = qrCode.GetGraphic(20);
return(qrCodeBytes, "image/bmp");
}
public Task <byte[]> Encode(string content, int pixelPerModule = ImagingConstants.DefaultQRCodePixelPerModule)
{
if (pixelPerModule < ImagingConstants.MinimalQRCodePixelPerModule)
{
pixelPerModule = ImagingConstants.DefaultQRCodePixelPerModule;
}
var qrcodeData = this.GetQRCodeData(content);
var qrcode = new BitmapByteQRCode(qrcodeData);
byte[] qrcodeImage = qrcode.GetGraphic(pixelPerModule);
return(Task.FromResult(qrcodeImage));
}
private async void ShareBtn_Clicked(object sender, RoutedEventArgs e)
{
var btn = sender as MenuFlyoutItem;
var shareurl = "http://www.super.cn/d/index.php?t=1&i={0}&p=1&v=7.8.4&y={1}&tm={2}";
shareurl = string.Format(shareurl, Class.UserManager.UserData.id, Class.UserManager.UserData.beginYear, Class.UserManager.UserData.term);
switch (btn.TabIndex)
{
case 2:
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(new PayloadGenerator.Url(shareurl).ToString(), QRCodeGenerator.ECCLevel.H);
BitmapByteQRCode qrCode = new BitmapByteQRCode(qrCodeData);
qrdata = qrCode.GetGraphic(50);
using (InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream())
{
using (DataWriter writer = new DataWriter(stream.GetOutputStreamAt(0)))
{
writer.WriteBytes(qrdata);
await writer.StoreAsync();
}
var image = new BitmapImage();
await image.SetSourceAsync(stream);
qrimage.Source = image;
}
var res = await qrcode_dialig.ShowAsync();
if (res == ContentDialogResult.Primary)
{
DataTransferManager.ShowShareUI();
}
else if (res == ContentDialogResult.Secondary)
{
var qrfile = await Windows.Storage.KnownFolders.PicturesLibrary.CreateFileAsync("friday-" + Class.HttpPostUntil.NowTime + ".png", CreationCollisionOption.ReplaceExisting);
await FileIO.WriteBytesAsync(qrfile, qrdata);
Class.Tools.ShowMsgAtFrame("二维码已保存到图片库");
}
break;
case 3:
DataTransferManager.ShowShareUI();
break;
default:
break;
}
}
/// <summary>
/// A simple function that takes a string and does a ToUpper
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task FunctionHandler(string input, ILambdaContext context)
{
s3Client = new AmazonS3Client(bucketRegion);
var fileTransferUtility = new TransferUtility(s3Client);
var dbClient = new AmazonDynamoDBClient();
var request = new ScanRequest
{
TableName = "Tag",
ProjectionExpression = "tagId",
ExpressionAttributeValues = new Dictionary <string, AttributeValue>
{
{ ":catg", new AttributeValue {
BOOL = false
} }
},
ExpressionAttributeNames = new Dictionary <string, string>
{
{ "#printed", "printed" }
},
FilterExpression = "#printed = :catg"
};
var response = await dbClient.ScanAsync(request);
foreach (var item in response.Items)
{
var value = new AttributeValue();
item.TryGetValue("tagId", out value);
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode($"https://petzfinder.net/tag/{ value.S }", QRCodeGenerator.ECCLevel.Q);;
BitmapByteQRCode qrCode = new BitmapByteQRCode(qrCodeData);
var bitmap = qrCode.GetGraphic(2);
var stream = new MemoryStream(bitmap);
try
{
await fileTransferUtility.UploadAsync(stream,
bucketName, $"{value.S}.png");
}
catch (AmazonS3Exception e)
{
Console.WriteLine("Error encountered on server. Message:'{0}' when writing an object", e.Message);
}
catch (Exception e)
{
Console.WriteLine("Unknown encountered on server. Message:'{0}' when writing an object", e.Message);
}
}
}
public byte[] GetQrCodeBytes(Reservation reservation)
{
if (reservation == null)
{
throw new ArgumentNullException(nameof(reservation));
}
var qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(reservation.ToString(), QRCodeGenerator.ECCLevel.Q);
var qrCode = new BitmapByteQRCode(qrCodeData);
var qrCodeAsBitmapByteArr = qrCode.GetGraphic(20);
return(qrCodeAsBitmapByteArr);
}
