public MainWindow()
{
InitializeComponent();
try
{
Microsoft.Win32.OpenFileDialog ofd = new Microsoft.Win32.OpenFileDialog();
ofd.ShowDialog();
System.Drawing.Bitmap bi = new System.Drawing.Bitmap(ofd.FileName);
//System.Drawing.Bitmap bi = Microsoft.Win32.OpenFileDialog ofd = new Microsoft.Win32.OpenFileDialog();
Decoder = new QRDecoder();
// call image decoder methos with <code>Bitmap</code> image of QRCode barcode
byte[][] DataByteArray = Decoder.ImageDecoder(bi);
// convert binary result to text string
MessageBox.Show(DataByteArray.GetLength(0).ToString());// + "\n" + DataByteArray.GetLength(1).ToString());
string Result = ByteArrayToStr(DataByteArray[0]);
// string Result = ByteArrayToStr(DataByteArray[Index]);
MessageBox.Show(Result);
Clipboard.SetText(Result);
QRoutput.Content = (Result);
webbrowser.Navigate(Result);
}
catch (Exception ex)
{
MessageBox.Show("This QR code is incorrect or incomplete\n" + ex.Message);
}
}
public static string getQRCode(string path)
{
try
{
// create QR Code decoder object
QRDecoder Decoder = new QRDecoder();
Bitmap image = (Bitmap)Image.FromFile(path, true);
// call image decoder methos with <code>Bitmap</code> image of QRCode barcode
byte[][] DataByteArray = Decoder.ImageDecoder(image);
// get the ECI Assignment value
//var ECIValue = Decoder.ECIAssignValue;
//ECIValue = Decoder.ECIAssignValue;
//if (ECIValue == -1)
//{
// // Assignment value not defined
//}
//else
//{
// // Assignment value between 0 to 999999
//}
string Result = ByteArrayToStr(DataByteArray[0]);
return(Result);
}
catch (Exception e)
{
throw e;
}
}
private void Form1_Load(object sender, EventArgs e)
{
QRCodeDecoder = new QRDecoder();
this.BackColor = System.Drawing.Color.Gray;
this.TransparencyKey = System.Drawing.Color.Gray;
Scan();
}
/// <summary>
/// Test decode program initialization
/// </summary>
/// <param name="sender">Sender</param>
/// <param name="e">Event arguments</param>
private void OnLoad(object sender, EventArgs e)
{
// program title
Text = "QRCodeDecoderDemo - " + QRDecoder.VersionNumber + " \u00a9 2013-2018 Uzi Granot. All rights reserved.";
#if DEBUG
// current directory
string CurDir = Environment.CurrentDirectory;
string WorkDir = CurDir.Replace("bin\\Debug", "Work");
if (WorkDir != CurDir && Directory.Exists(WorkDir))
{
Environment.CurrentDirectory = WorkDir;
}
// open trace file
QRCodeTrace.Open("QRCodeDecoderTrace.txt");
QRCodeTrace.Write("QRCodeDecoderDemo");
#endif
// create decoder
QRCodeDecoder = new QRDecoder();
// resize window
OnResize(sender, e);
return;
}
/// <summary>
/// Format result for display
/// </summary>
/// <param name="DataByteArray"></param>
/// <returns></returns>
private static string QRCodeResult
(
byte[][] DataByteArray
)
{
// no QR code
if (DataByteArray == null)
{
return(string.Empty);
}
// image has one QR code
if (DataByteArray.Length == 1)
{
return(QRDecoder.ByteArrayToStr(DataByteArray[0]));
}
// image has more than one QR code
StringBuilder Str = new StringBuilder();
for (int Index = 0; Index < DataByteArray.Length; Index++)
{
if (Index != 0)
{
Str.Append("\r\n");
}
Str.AppendFormat("QR Code {0}\r\n", Index + 1);
Str.Append(QRDecoder.ByteArrayToStr(DataByteArray[Index]));
}
return(Str.ToString());
}
private void Scan()
{
if (ClientSize.Width == 0 || QRCodeDecoder == null)
{
return;
}
if (QRCodeInputImage != null)
{
QRCodeInputImage.Dispose();
}
int w = this.ClientRectangle.Width;
int h = this.ClientRectangle.Height;
int l = this.Left + (this.Width - w) / 2;
int t = this.Top + (this.Height - h - l + this.Left);
//this.Opacity = 0;
textBox1.Text = "";
textBox1.BackColor = System.Drawing.Color.Gray;
QRCodeInputImage = new Bitmap(w, h);
using (Graphics g = Graphics.FromImage(QRCodeInputImage))
g.CopyFromScreen(l, t, 0, 0, QRCodeInputImage.Size, CopyPixelOperation.SourceCopy);
//pictureBox1.Image = QRCodeInputImage;
byte[][] DataByteArray = QRCodeDecoder.ImageDecoder(QRCodeInputImage);
textBox1.Text = QRDecoder.QRCodeResult(DataByteArray);
if (textBox1.Text != "")
{
textBox1.BackColor = System.Drawing.Color.White;
System.Windows.Forms.Clipboard.SetText(textBox1.Text);
}
//this.Opacity = 100;
}
public static string GetQRCode(Bitmap imageToSearch)
{
//IL_000f: Unknown result type (might be due to invalid IL or missing references)
//IL_0015: Expected O, but got Unknown
//IL_0016: Unknown result type (might be due to invalid IL or missing references)
//IL_001d: Expected O, but got Unknown
//IL_001f: Unknown result type (might be due to invalid IL or missing references)
//IL_0029: Expected O, but got Unknown
//IL_0024: Unknown result type (might be due to invalid IL or missing references)
//IL_002b: Expected O, but got Unknown
//IL_0048: Unknown result type (might be due to invalid IL or missing references)
//IL_004f: Expected O, but got Unknown
if (false)
{
Dictionary <DecodeHintType, object> dictionary = new Dictionary <DecodeHintType, object>();
QRCodeReader val = new QRCodeReader();
BitmapLuminanceSource val2 = new BitmapLuminanceSource(imageToSearch);
BinaryBitmap val3 = new BinaryBitmap(new HybridBinarizer(val2));
Result val4 = val.decode(val3);
return((val4 != null) ? val4.Text : null);
}
QRDecoder val5 = new QRDecoder();
byte[][] array = val5.ImageDecoder(imageToSearch);
if (array == null)
{
return(null);
}
if (array.GetLength(0) > 0)
{
return(Encoding.UTF8.GetString(array[0]));
}
return(null);
}
public string Decode ( Image QR )
{
QRDecoder Decoder = new QRDecoder();
byte [] [] Data = Decoder.ImageDecoder( (Bitmap) QR );
if (Data == null)
return null;
string code = QRCode.ByteArrayToStr( Data [0] );
return code;
}
private void BTN_scan_Click(object sender, EventArgs e)
{
QRDecoder QRCodeDecoder = new QRDecoder();
byte[][] DataByteArray = QRCodeDecoder.ImageDecoder((Bitmap)pictureBox1.Image);
try
{
string Result = QRCode.ByteArrayToStr(DataByteArray[0]);
//LBL_test.Text = Result;
}
catch { MessageBox.Show("Could not detect QR code!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); }
}
private void OnLoadImage(object sender, EventArgs e)
{
// get file name to decode
OpenFileDialog Dialog = new OpenFileDialog {
Filter = "Image Files(*.png;*.jpg;*.gif;*.tif)|*.png;*.jpg;*.gif;*.tif;*.bmp)|All files (*.*)|*.*",
Title = "Load QR Code Image",
InitialDirectory = Directory.GetCurrentDirectory(),
RestoreDirectory = true,
FileName = string.Empty
};
// display dialog box
if (Dialog.ShowDialog() != DialogResult.OK)
{
return;
}
// clear parameters
ImageFileLabel.Text = Dialog.FileName;
// disable buttons
LoadImageButton.Enabled = false;
// dispose previous image
if (QRCodeInputImage != null)
{
QRCodeInputImage.Dispose();
}
// load image to bitmap
QRCodeInputImage = new Bitmap(Dialog.FileName);
// trace
#if DEBUG
QRCodeTrace.Format("****");
QRCodeTrace.Format("Decode image: {0} ", Dialog.FileName);
QRCodeTrace.Format("Image width: {0}, Height: {1}", QRCodeInputImage.Width, QRCodeInputImage.Height);
#endif
// decode image
byte[][] DataByteArray = QRCodeDecoder.ImageDecoder(QRCodeInputImage);
// convert results to text
DataTextBox.Text = QRDecoder.QRCodeResult(DataByteArray);
// enable buttons
LoadImageButton.Enabled = true;
// force repaint
Invalidate();
return;
}
private static void DecodeQrCode()
{
try
{
Image image = Image.Load("C:\\dev\\image4_out.jpg");
QRDecoder decoder = new QRDecoder();
var qrCode = decoder.ImageDecoder(image);
}
catch (Exception)
{
// handle exception here;
}
}
public void LoadFilexUnitTest()
{
string demoFilePath = HelperUnitTest.GetDemoFile("image2.jpg");
using (Bitmap bitmap = new Bitmap(demoFilePath))
{
QRDecoder decoder = new QRDecoder();
var qrCode = decoder.ImageDecoder(bitmap);
Assert.NotNull(qrCode);
Assert.NotNull(qrCode.Results);
Assert.Single(qrCode.Results);
}
}
private static void test6()
{
try
{
using (Bitmap bitmap = new Bitmap("C:\\dev\\image4_out.jpg"))
{
QRDecoder decoder = new QRDecoder();
var qrCode = decoder.ImageDecoder(bitmap);
int i = 0;
}
}
catch (Exception ex)
{
// handle exception here;
}
}
public static async Task <string> ScanMediaAsync(this TelegramService telegramService)
{
var chatId = telegramService.ChatId;
try
{
var op = Operation.Begin("Scanning Media from ChatId: {ChatId}", chatId);
var message = telegramService.MessageOrEdited;
if (message.Document == null &&
message.Photo == null)
{
return(string.Empty);
}
var qrDecoder = telegramService.GetRequiredService <QRDecoder>();
var qrFile = await telegramService.DownloadFileAsync("qr-reader");
var image = await Image.LoadAsync(qrFile);
var qrResult = qrDecoder.ImageDecoder(image);
var data = QRDecoder.ByteArrayToString(qrResult.FirstOrDefault());
DirUtil.CleanCacheFiles(
s =>
s.Contains(chatId.ReduceChatId().ToString()) &&
s.Contains("qr-reader")
);
op.Complete();
return(data);
}
catch (Exception exception)
{
Log.Error(
exception,
"Error occured when Scan Media at ChatId {ChatId}",
chatId
);
return(string.Empty);
}
}
public MainWindow()
{
InitializeComponent();
System.Drawing.Bitmap bi = new System.Drawing.Bitmap("qr2.png");
Decoder = new QRDecoder();
// call image decoder methos with <code>Bitmap</code> image of QRCode barcode
byte[][] DataByteArray = Decoder.ImageDecoder(bi);
// convert binary result to text string
MessageBox.Show(DataByteArray.GetLength(0).ToString());// + "\n" + DataByteArray.GetLength(1).ToString());
string Result = ByteArrayToStr(DataByteArray[0]);
// string Result = ByteArrayToStr(DataByteArray[Index]);
MessageBox.Show(Result);
Clipboard.SetText(Result);
}
private string DecodeQRCode(Image image)
{
// create QR Code decoder object
QRDecoder Decoder = new QRDecoder();
// call image decoder methos with <code>Bitmap</code> image of QRCode barcode
byte[][] DataByteArray = Decoder.ImageDecoder((Bitmap)image);
// get the ECI Assignment value
int ECIValue = Decoder.ECIAssignValue;
if (ECIValue == -1)
{
// Assignment value not defined
}
else
{
// Assignment value between 0 to 999999
}
return(QRCodeResult(DataByteArray));
}
public bool validateTicket(BitmapImage img)
{
QRDecoder decoder = new QRDecoder();
BitmapEncoder encoder = new BmpBitmapEncoder();
Byte[][] res;
string result = "";
try
{
encoder.Frames.Add(BitmapFrame.Create(img));
System.IO.MemoryStream outStream = new System.IO.MemoryStream();
encoder.Save(outStream);
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(outStream);
res = decoder.ImageDecoder(bitmap);
foreach (byte[] temp in res)
{
result = QRCode.ByteArrayToStr(temp);
}
}
catch
{
return(false);
}
int id = Int32.Parse(result);
Ticket t = en.Tickets.Where(x => x.TicketID == id).FirstOrDefault();
if (t == null)
{
return(false);
}
DateTime ticketDate = (DateTime)t.TicketDate;
if (DateTime.Now.DayOfYear - ticketDate.DayOfYear != 0 || t.TicketStatus == "Deleted")
{
return(false);
}
return(true);
}
/// <summary>
/// Test decode program initialization
/// </summary>
/// <param name="sender">Sender</param>
/// <param name="e">Event arguments</param>
private void OnLoad(object sender, EventArgs e)
{
#if DEBUG
// current directory
string CurDir = Environment.CurrentDirectory;
string WorkDir = CurDir.Replace("bin\\Debug", "Work");
if (WorkDir != CurDir && Directory.Exists(WorkDir))
{
Environment.CurrentDirectory = WorkDir;
}
// open trace file
// QRCodeTrace.Open("QRCodeDecoderTrace.txt");
//QRCodeTrace.Write("QRCodeDecoderDemo");
#endif
// create decoder
QRCodeDecoder = new QRDecoder();
// resize window
OnResize(sender, e);
return;
}
private void buttonLess()
{
int flag = 0;
for (int i = 0; i < 20; i++)
{
QRDecoder QRCodeDecoder = new QRDecoder();
byte[][] DataByteArray = QRCodeDecoder.ImageDecoder((Bitmap)pictureBox1.Image);
try
{
string Result = QRCode.ByteArrayToStr(DataByteArray[0]);
int ID;
int.TryParse(Result, out ID);
flag = 1;
dbControl oDB = new dbControl(ID);
try
{
oDB.connectToDB();
oDB.writeToDB();
oDB.closeConnection();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
break;
}
catch { }
wait(500);
}
if (flag == 0)
{
MessageBox.Show("Could not detect QR", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
}
public override Store Decode(Image QR)
{
QRDecoder Decoder = new QRDecoder();
byte [] [] Data = Decoder.ImageDecoder((Bitmap)QR);
if (Data == null)
{
return(null);
}
string code = QRCode.ByteArrayToStr(Data [0]);
if (Check(code))
{
StoreJBuilder builder = new StoreJBuilder(code);
StoreDirector director = new StoreDirector();
director.Construct(builder);
Store s = builder.GetStore();
return(s);
}
else
{
return(null);
}
}
/// <summary>
/// Program initialization
/// </summary>
/// <param name="sender">Sender</param>
/// <param name="e">Event arguments</param>
private void OnLoad(object sender, EventArgs e)
{
// program title
Text = "QRCodeVideoDecoder - " + QRDecoder.VersionNumber + " \u00a9 2013-2018 Uzi Granot. All rights reserved.";
#if DEBUG
// current directory
string CurDir = Environment.CurrentDirectory;
string WorkDir = CurDir.Replace("bin\\Debug", "Work");
if (WorkDir != CurDir && Directory.Exists(WorkDir))
{
Environment.CurrentDirectory = WorkDir;
}
// open trace file
QRCodeTrace.Open("QRCodeVideoDecoderTrace.txt");
QRCodeTrace.Write(Text);
#endif
// disable reset button
ResetButton.Enabled = false;
GoToUriButton.Enabled = false;
// get an array of web camera devices
DsDevice[] CameraDevices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
// make sure at least one is available
if (CameraDevices == null || CameraDevices.Length == 0)
{
MessageBox.Show("No video cameras in this computer");
Close();
return;
}
// select the first camera
DsDevice CameraDevice = CameraDevices[0];
// Device moniker
IMoniker CameraMoniker = CameraDevice.Moniker;
// get a list of frame sizes available
FrameSize[] FrameSizes = Camera.GetFrameSizeList(CameraMoniker);
// make sure there is at least one frame size
if (FrameSizes == null || FrameSizes.Length == 0)
{
MessageBox.Show("No video cameras in this computer");
Close();
return;
}
// test if our frame size is available
int Index;
for (Index = 0; Index < FrameSizes.Length &&
(FrameSizes[Index].Width != FrameSize.Width || FrameSizes[Index].Height != FrameSize.Height); Index++)
{
;
}
// select first frame size
if (Index == FrameSizes.Length)
{
FrameSize = FrameSizes[0];
}
// Set selected camera to camera control with default frame size
// Create camera object
VideoCamera = new Camera(PreviewPanel, CameraMoniker, FrameSize);
// create QR code decoder
Decoder = new QRDecoder();
// resize window
OnResize(sender, e);
// create timer
QRCodeTimer = new Timer();
QRCodeTimer.Interval = 200;
QRCodeTimer.Tick += QRCodeTimer_Tick;
QRCodeTimer.Enabled = true;
return;
}
public QRAdapter()
{
_QRencoder = new QREncoder();
_QRdecoder = new QRDecoder();
}
public static QrCodeResult ToResult(this QRDecoder decoder)
{
return(new QrCodeResult());
}