private void ReadBitmap(Bitmap bitmap)
{
var reader = new ZXing.BarcodeReader();
reader.Options.TryHarder = true;
reader.AutoRotate = true;
var decoded = reader.Decode(bitmap);
if (decoded != null)
{
var text = decoded.Text;
var uri = new Uri(text);
if (uri.Scheme == "otpauth")
{
var queryString = HttpUtility.ParseQueryString(uri.Query);
var secret = queryString["secret"];
var account = uri.LocalPath.StartsWith("/") ? uri.LocalPath.Substring(1) : uri.LocalPath;
txtAccountName.Text = HttpUtility.UrlDecode(account);
Key = secret;
}
else
{
MessageBox.Show("The QR Code does not contain valid OAuth data", "Authentiqr.NET", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("The QR Code could not be read", "Authentiqr.NET", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void LoadFromQR(Bitmap bitmap)
{
ZXing.BarcodeReader reader = new ZXing.BarcodeReader();
reader.PossibleFormats = new[] { ZXing.BarcodeFormat.QR_CODE };
ZXing.Result result = reader.Decode(bitmap);
if (result != null)
{
try
{
AC.Pattern pattern = AC.Pattern.CreateFromRawData(result.RawBytes);
LoadPattern(pattern);
}
catch (NotImplementedException)
{
MessageBox.Show("This type of pattern is currently not supported.", Text);
}
}
else
{
MessageBox.Show("A valid QR code was not found in the selected image.", Text);
}
}
public async Task ScanBarcodeAsync(Windows.Storage.StorageFile file)
{
WriteableBitmap bitmap;
BitmapDecoder decoder;
using (IRandomAccessStream str = await file.OpenReadAsync())
{
decoder = await BitmapDecoder.CreateAsync(str);
bitmap = new WriteableBitmap(Convert.ToInt32(decoder.PixelWidth), Convert.ToInt32(decoder.PixelHeight));
await bitmap.SetSourceAsync(str);
}
lock (locker)
{
ZXing.BarcodeReader reader = new ZXing.BarcodeReader();
reader.Options.PossibleFormats = new ZXing.BarcodeFormat[] { ZXing.BarcodeFormat.CODE_128, ZXing.BarcodeFormat.QR_CODE, ZXing.BarcodeFormat.CODE_39 };
reader.Options.TryHarder = true;
reader.AutoRotate = true;
var results = reader.Decode(bitmap);
if (results == null)
{
this.OnBarcodeScannCompleted(new BarcodeScanCompletedEventArgs(false, string.Empty));
}
else
{
this.OnBarcodeScannCompleted(new BarcodeScanCompletedEventArgs(true, results.Text));
}
}
}
private ProtectedString ParseFromImage(System.Drawing.Bitmap bitmap)
{
if (bitmap == null)
{
return(ProtectedString.EmptyEx);
}
ZXing.BarcodeReader r = new ZXing.BarcodeReader();
ZXing.Result result = r.Decode(bitmap);
if (result != null)
{
return(new ProtectedString(true, result.Text));
}
return(ProtectedString.EmptyEx);
}
private void BtnUpload_Click(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
{
DivInfo.Visible = false;
DivWarning.Visible = false;
var ext = Path.GetExtension(FileUpload1.FileName).ToLower();
var tempPath = Path.GetTempFileName() + ext;
FileUpload1.SaveAs(tempPath);
HashSet <String> exts = new HashSet <string> {
".bmp", ".png", ".jpg", ".gif", ".png"
};
if (exts.Contains(ext))
{
ImageQR.ImageUrl = "/handlers/imageloader.ashx?ImgPath=" + tempPath;
var qr = new ZXing.BarcodeReader();
var options = new DecodingOptions
{
CharacterSet = "UTF-8",
};
qr.Options = options;
Bitmap bmp = (Bitmap)Bitmap.FromFile(tempPath);
var res = qr.Decode(bmp);
if (res != null && !string.IsNullOrEmpty(res.Text))
{
try
{
var decrypt = Crypto.Decrypt(res.Text);
LoadHeaderInfo(decrypt.Trim());
}
catch
{
CommonWeb.Alert(this, "Qr dapat dibaca tapi tidak valid.");
}
}
else
{
CommonWeb.Alert(this, "Qr tidak dapat dibaca, atau gambar tidak valid.");
}
}
else
{
CommonWeb.Alert(this, "Silakan upload file dengan tipe gambar");
}
}
else
{
CommonWeb.Alert(this, "Silakan pilih foto QR LHP terlebih dahulu.");
}
}
private void video_NewFrame(object sender, NewFrameEventArgs eventArgs)
{
Thread threadShowPicture = new Thread(ShowPicture);
Bitmap bitmap = (Bitmap)eventArgs.Frame.Clone(); //Загрузка картинки с камеры в picturebox
pbCamImage.Image = bitmap;
ZXing.Result result = reader.Decode((Bitmap)eventArgs.Frame.Clone()); //Выгрузка результата сканирования
if (result != null)
{
SetResult(result.Text);
threadShowPicture.Abort();
}
}
public Form1()
{
InitializeComponent();
Bitmap img = new Bitmap("qrcode.gif");
ZXing.BarcodeReader reader = new ZXing.BarcodeReader();
ZXing.Result result = reader.Decode(img);
if (result != null)
{
textBox1.Text = result.BarcodeFormat.ToString();
textBox2.Text = result.Text;
}
}
public async Task <DecodeResult> DecodeAsync(Frame frame)
{
var result = await Task.Run <ZXing.Result>(() =>
{
var width = 0;
if (frame.Format == FrameFormat.Bgra32)
{
width = (int)frame.Dimensions.Width;
}
else if (frame.Format == FrameFormat.Gray8)
{
width = (int)frame.Pitch;
}
else
{
throw new ArgumentException(String.Format("Incompatible frame format: {0}", frame.Format.ToString()));
}
return(_reader.Decode(frame.Buffer, width, (int)frame.Dimensions.Height, FrameFormatToBitmapFormat(frame.Format)));
});
if (result != null)
{
var decodeResult = new DecodeResult()
{
Text = result.Text,
Data = result.RawBytes,
Format = result.BarcodeFormat.ToString()
};
if (result.ResultPoints != null && result.ResultPoints.Length > 0)
{
decodeResult.InterestPoints = new List <Windows.Foundation.Point>();
foreach (ZXing.ResultPoint point in result.ResultPoints)
{
decodeResult.InterestPoints.Add(new Windows.Foundation.Point(point.X, point.Y));
}
}
return(decodeResult);
}
else
{
return(null);
}
}
private void timer3_Tick(object sender, EventArgs e)
{
System.Drawing.Bitmap bitmap = null;
//宣告 QRCode Reader 物件
ZXing.IBarcodeReader reader = new ZXing.BarcodeReader();
bitmap = (Bitmap)pictureBox2.Image;
//進行解碼的動作
ZXing.Result result = reader.Decode(bitmap);
if (result != null)
{ //如果有成功解讀，則顯示文字
label10.Text = result.Text;
}
}
/// <summary>
/// Decodes a barcode from the given image.
/// </summary>
/// <param name="image">The image of the barcode.</param>
/// <returns>The data encoded in the barcode.</returns>
///
/// <remarks>Uses the ZXing.NET library to parse the image.</remarks>
public string DecodeBarcode(Image image)
{
var reader = new ZXing.BarcodeReader();
var bmp = new Bitmap(image);
var data = reader.Decode(bmp);
if (data != null)
{
return(data.Text);
}
else
{
return("");
}
}
private void button2_Click(object sender, EventArgs e)
{
ZXing.BarcodeReader barcodeReader = new ZXing.BarcodeReader();
string deskPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
System.IO.FileInfo fi = new System.IO.FileInfo(deskPath + @"\test.jpg");
if (fi.Exists)
{
var barcodeBitmap = (Bitmap)Image.FromFile(deskPath + @"\test.jpg");
var result = barcodeReader.Decode(barcodeBitmap);
this.textBox1.Text = result.Text;
}
else
{
MessageBox.Show("Please generate QRcode first.\n Press barcode maker button.", "Nofile", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ReadBitmap(Bitmap bitmap)
{
var reader = new ZXing.BarcodeReader();
var decoded = reader.Decode(bitmap);
RenderQRCode(decoded.Text);
Regex otpInfo = new Regex(@"otpauth://totp/(.*)\?secret=([^&]+)(&.*)?");
if (otpInfo.IsMatch(decoded.Text))
{
var match = otpInfo.Match(decoded.Text);
txtAccountName.Text = HttpUtility.UrlDecode(match.Groups[1].Value);
SetKey(match.Groups[2].Value);
}
else
{
MessageBox.Show("The QR Code does not contain valid OAuth data", "LCGoogleApps", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void TimerEventProcessor(object sender, EventArgs e)
{
Image <Bgr, Byte> frame = new Image <Bgr, Byte>(360, 280);
frame = cap.QueryFrame();
_pictureBox.Image = frame.ToBitmap();
ZXing.IBarcodeReader reader = new ZXing.BarcodeReader();
ZXing.Result result = reader.Decode(frame.ToBitmap());
qrRealTime._timer.Tick += new EventHandler(qrRealTime._timer_Tick);
if (result != null)
{
_timer.Stop();
_pictureBox.Image = null;
MessageBox.Show(result.Text);
qrRealTime._timer.Stop();
}
}
private void ReadBitmap(Bitmap bitmap)
{
var reader = new ZXing.BarcodeReader();
reader.Options.TryHarder = true;
reader.AutoRotate = true;
var decoded = reader.Decode(bitmap);
if (decoded != null)
{
if (!ParseOtpAuth(decoded.Text))
{
MessageBox.Show("The QR Code does not contain valid OAuth data", "Authentiqr.NET", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("The QR Code could not be read", "Authentiqr.NET", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public Barcode Read(Bitmap barcodeImage)
{
if (barcodeImage is null)
{
return(null);
}
barcodeImage = AddWhiteBorder(barcodeImage);
ZXing.BarcodeReader reader = new ZXing.BarcodeReader();
reader.Options.AssumeGS1 = true;
reader.Options.TryHarder = true;
reader.TryInverted = true;
reader.AutoRotate = true;
ZXing.Result result = reader.Decode(barcodeImage);
if (result is null)
{
return(null);
}
return(new Barcode(result.Text, FormatMap.Resolve(result.BarcodeFormat)));
}
private void InitializeDecoder(PhotoConfirmationCapturedEventArgs photoResult)
{
_image = new BitmapImage();
_reader = new ZXing.BarcodeReader();
Task.Run(delegate()
{
_reader.Options.TryHarder = false;
_reader.TryInverted = false;
_reader.AutoRotate = false;
_image.SetSource(photoResult.Frame);
ZXing.Result result = _reader.Decode(new WriteableBitmap(_image.PixelWidth, _image.PixelHeight));
if (result != null)
{
AddBarcodeToResults(result);
}
else
{
SetActivityMessage("No barcode detected", false);
}
}).ConfigureAwait(false).GetAwaiter().GetResult();
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
var picker = new Windows.Storage.Pickers.FileOpenPicker();
picker.ViewMode = Windows.Storage.Pickers.PickerViewMode.Thumbnail;
picker.FileTypeFilter.Add(".jpg");
picker.FileTypeFilter.Add(".jpeg");
picker.FileTypeFilter.Add(".png");
picker.FileTypeFilter.Add(".gif");
picker.FileTypeFilter.Add(".bmp");
Windows.Storage.StorageFile file = await picker.PickSingleFileAsync();
if (file == null)
{
return;
}
ClearResult();
// 選択された画像ファイルからSoftwareBitmapを作る
// https://docs.microsoft.com/ja-jp/windows/uwp/audio-video-camera/imaging
SoftwareBitmap softwareBitmap;
using (IRandomAccessStream stream = await file.OpenReadAsync())
{
BitmapDecoder decoder = await BitmapDecoder.CreateAsync(stream);
softwareBitmap = await decoder.GetSoftwareBitmapAsync();
}
// Image コントロールは、BGRA8 エンコードを使用し、プリマルチプライ処理済みまたはアルファ チャネルなしの画像しか受け取れない
// 異なるフォーマットの場合は変換する☟
if (softwareBitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8 ||
softwareBitmap.BitmapAlphaMode == BitmapAlphaMode.Straight)
{
softwareBitmap = SoftwareBitmap.Convert(softwareBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
}
// ImageコントロールにはSoftwareBitmapSourceを渡す
var source = new SoftwareBitmapSource();
await source.SetBitmapAsync(softwareBitmap);
this.Image1.Source = source;
// バーコード読み取り
ZXing.BarcodeReader _reader
= new ZXing.BarcodeReader
{
AutoRotate = true,
Options = { TryHarder = true }
};
// UWPではSoftwareBitmapかWriteableBitmapを渡す
//ZXing.Result result = _reader.Decode(softwareBitmap);
// ☟別スレッドでやるときも、作成済みのSoftwareBitmapインスタンスを渡してよい
ZXing.Result result
= await Task.Run(() => _reader.Decode(softwareBitmap));
if (result != null)
{
ShowResult(result);
}
}
/// <summary>
/// バーコードリーダー
/// </summary>
/// <param name="_bitmap">ビットマップ</param>
/// <returns>バーコードリーダーの結果</returns>
public async Task <ZXing.Result> BarcodeReader(Bitmap _bitmap)
{
ZXing.BarcodeReader reader = new ZXing.BarcodeReader();
reader.AutoRotate = true;
return(await Task.Run(() => reader.Decode(_bitmap)));
}
private string ToImage(HttpPostedFile file)
{
var reader = new ZXing.BarcodeReader();
return(reader.Decode(new Bitmap(System.Drawing.Image.FromStream(file.InputStream))).Text);
}
public void OnPreviewFrame(byte[] bytes, Android.Hardware.Camera camera)
{
//Check and see if we're still processing a previous frame
if (processingTask != null && !processingTask.IsCompleted)
{
return;
}
if ((DateTime.UtcNow - lastPreviewAnalysis).TotalMilliseconds < options.DelayBetweenAnalyzingFrames)
{
return;
}
var cameraParameters = camera.GetParameters();
var width = cameraParameters.PreviewSize.Width;
var height = cameraParameters.PreviewSize.Height;
//var img = new YuvImage(bytes, ImageFormatType.Nv21, cameraParameters.PreviewSize.Width, cameraParameters.PreviewSize.Height, null);
lastPreviewAnalysis = DateTime.UtcNow;
processingTask = Task.Factory.StartNew(() =>
{
try
{
if (barcodeReader == null)
{
barcodeReader = new ZXing.BarcodeReader(null, null, null, (p, w, h, f) =>
new ZXing.PlanarYUVLuminanceSource(p, w, h, 0, 0, w, h, false));
//new PlanarYUVLuminanceSource(p, w, h, dataRect.Left, dataRect.Top, dataRect.Width(), dataRect.Height(), false))
if (this.options.TryHarder.HasValue)
{
barcodeReader.Options.TryHarder = this.options.TryHarder.Value;
}
if (this.options.PureBarcode.HasValue)
{
barcodeReader.Options.PureBarcode = this.options.PureBarcode.Value;
}
if (!string.IsNullOrEmpty(this.options.CharacterSet))
{
barcodeReader.Options.CharacterSet = this.options.CharacterSet;
}
if (this.options.TryInverted.HasValue)
{
barcodeReader.TryInverted = this.options.TryInverted.Value;
}
if (this.options.PossibleFormats != null && this.options.PossibleFormats.Count > 0)
{
barcodeReader.Options.PossibleFormats = new List <ZXing.BarcodeFormat>();
foreach (var pf in this.options.PossibleFormats)
{
barcodeReader.Options.PossibleFormats.Add(pf);
}
}
}
bool rotate = false;
int newWidth = width;
int newHeight = height;
var cDegrees = getCameraDisplayOrientation(this.activity);
if (cDegrees == 90 || cDegrees == 270)
{
rotate = true;
newWidth = height;
newHeight = width;
}
var start = PerformanceCounter.Start();
if (rotate)
{
bytes = rotateCounterClockwise(bytes, width, height);
}
var result = barcodeReader.Decode(bytes, newWidth, newHeight, ZXing.RGBLuminanceSource.BitmapFormat.Unknown);
PerformanceCounter.Stop(start, "Decode Time: {0} ms (width: " + width + ", height: " + height + ", degrees: " + cDegrees + ", rotate: " + rotate + ")");
if (result == null || string.IsNullOrEmpty(result.Text))
{
return;
}
Android.Util.Log.Debug("ZXing.Mobile", "Barcode Found: " + result.Text);
ShutdownCamera();
callback(result);
}
catch (ZXing.ReaderException)
{
Android.Util.Log.Debug("ZXing.Mobile", "No barcode Found");
// ignore this exception; it happens every time there is a failed scan
}
catch (Exception)
{
// TODO: this one is unexpected.. log or otherwise handle it
throw;
}
});
}
private void InitializeDecoder(PhotoConfirmationCapturedEventArgs photoResult)
{
_image = new BitmapImage();
_reader = new ZXing.BarcodeReader();
Task.Run(delegate()
{
_reader.Options.TryHarder = false;
_reader.TryInverted = false;
_reader.AutoRotate = false;
_image.SetSource(photoResult.Frame);
ZXing.Result result = _reader.Decode(new WriteableBitmap(_image.PixelWidth, _image.PixelHeight));
if (result != null)
{
AddBarcodeToResults(result);
}
else
{
SetActivityMessage("No barcode detected", false);
}
}).ConfigureAwait(false).GetAwaiter().GetResult();
}