private void DoQrToBin(string filename)
{
try
{
var fileStream = File.OpenRead(filename);
var img = Image.FromStream(fileStream);
var bmp = new Bitmap(img);
fileStream.Close();
var binary = new BinaryBitmap(new HybridBinarizer(new RGBLuminanceSource(bmp, bmp.Width, bmp.Height)));
var reader = new QRCodeReader();
var result = reader.decode(binary);
var resultList = (ArrayList)result.ResultMetadata[ResultMetadataType.BYTE_SEGMENTS];
if (resultList == null)
{
File.WriteAllBytes(filename + ".txt", Encoding.UTF8.GetBytes(result.Text));
System.Diagnostics.Process.Start(filename + ".txt");
txtQRText.Text = result.Text;
}
else
File.WriteAllBytes(filename + ".bin", (byte[]) resultList[0]);
}
catch (ReaderException ex)
{
MessageBox.Show(@"Error Loading:" + Environment.NewLine + ex.Message);
}
}
private void OnPhotoCameraInitialized(object sender, CameraOperationCompletedEventArgs e)
{
int width = Convert.ToInt32(_photoCamera.PreviewResolution.Width);
int height = Convert.ToInt32(_photoCamera.PreviewResolution.Height);
_luminance = new PhotoCameraLuminanceSource(width, height);
_reader = new QRCodeReader();
Dispatcher.BeginInvoke(() => {
_previewTransform.Rotation = _photoCamera.Orientation;
_timer.Start();
});
}
private void OnPhotoCameraInitialized(object sender, CameraOperationCompletedEventArgs e)
{
Dispatcher.BeginInvoke(() =>
{
_timer = new DispatcherTimer();
_timer.Interval = TimeSpan.FromMilliseconds(250);
_timer.Tick += (o, arg) => ScanPreviewBuffer();
int width = Convert.ToInt32(_photoCamera.PreviewResolution.Width);
int height = Convert.ToInt32(_photoCamera.PreviewResolution.Height);
_luminance = new PhotoCameraLuminanceSource(width, height);
_reader = new QRCodeReader();
});
Dispatcher.BeginInvoke(() =>
{
_previewTransform.Rotation = _photoCamera.Orientation;
_timer.Start();
});
}
private bool stopCamera()
{
if (_photoCamera == null)
{
return false;
}
_timer.Stop();
_timer = null;
_luminance = null;
_reader = null;
_photoCamera.Dispose();
_photoCamera = null;
return true;
}
private void openQRCodeToolStripMenuItem_Click(object sender, EventArgs e)
{
var ofd = new OpenFileDialog { Filter = "All Supported|*.png;*.jpg;*.bmp;*.gif|PNG Files|*.png|Jpeg Files|*.jpg|Bitmap Files|*.bmp|GIF Files|*.gif" };
if (ofd.ShowDialog() != DialogResult.OK) return;
try
{
var file = new FileStream(ofd.FileName, FileMode.Open);
var bmp = new Bitmap(Image.FromStream(file));
file.Close();
var binary = new BinaryBitmap(new HybridBinarizer(new RGBLuminanceSource(bmp, bmp.Width, bmp.Height)));
var reader = new QRCodeReader();
var hashtable = new Hashtable();
hashtable.Add(DecodeHintType.POSSIBLE_FORMATS,BarcodeFormat.QR_CODE);
hashtable.Add(DecodeHintType.TRY_HARDER,true);
var result = reader.decode(binary, hashtable);
var byteArray = (byte[])((ArrayList)result.ResultMetadata[ResultMetadataType.BYTE_SEGMENTS])[0];
load_QR_data(byteArray);
}
catch (ReaderException ex)
{
MessageBox.Show("Error Loading:" + Environment.NewLine + ex.Message);
}
catch (InvalidOperationException ex)
{
MessageBox.Show("Error Loading:" + Environment.NewLine + ex.Message);
}
}
private void OnPhotoCameraInitialized(object sender, CameraOperationCompletedEventArgs e)
{
int width = Convert.ToInt32(PhotoCamera.PreviewResolution.Width);
int height = Convert.ToInt32(PhotoCamera.PreviewResolution.Height);
luminance = new PhotoCameraLuminanceSource(width, height);
qrReader = new QRCodeReader();
ean13Reader = new EAN13Reader();
code39Reader = new Code39Reader();
timer = new Timer((s) => ScanPreviewBuffer(), null, 0, 250);
}
public void StopScanning()
{
if (IsScanning)
{
IsScanning = false;
_reader = null;
}
}
/// <summary>
/// Starts or restarts actively scanning the camera's preview buffer
/// for a two-dimensional barcode.
/// </summary>
public void StartScanning()
{
if (!IsScanning && _initialized)
{
_reader = new QRCodeReader();
IsScanning = true;
Scan();
}
}
void decoder_DoWork(object sender, DoWorkEventArgs e)
{
Bitmap bmp = (Bitmap)e.Argument;
QRCodeReader reader = new QRCodeReader();
RGBLuminanceSource source = new RGBLuminanceSource(bmp, bmp.Width, bmp.Height);
BinaryBitmap binDecode = new BinaryBitmap(new HybridBinarizer(source));
String decodedString = "";
Result result;
try
{
result = (Result)reader.decode(binDecode);
decodedString = result.Text;
}
catch (ReaderException)
{
decodedString = "";
}
if (decodedString == "")
{
toolStripStatusLabel1.Text = "Scan a Player ID";
}
else
{
String[] items = (decodedString).Split('|');
this.Invoke((MethodInvoker)delegate//run on UI thread
{
label_Name.Text = "Name: " + items[0];
label_Kill.Text = "Kill ID: " + items[1];
toolStripStatusLabel1.Text = "Decoded";
});
}
}
//camera setup
void cam_Initialized(object sender, CameraOperationCompletedEventArgs e)
{
try
{
int width = Convert.ToInt32(_cam.PreviewResolution.Width);
int height = Convert.ToInt32(_cam.PreviewResolution.Height);
_luminance = new PhotoCameraLuminanceSource(width, height);
_reader = new QRCodeReader();
_cam.FlashMode = FlashMode.Auto;
_cam.Focus();
}
catch
{
//Throws an exception if the camera is disposed while this method is being called
}
}
private void menuQRCodeRead_Click(object sender, EventArgs e)
{
var ofd = new OpenFileDialog { Filter = @"All Supported|*.png;*.jpg;*.bmp;*.gif|PNG Files|*.png|Jpeg Files|*.jpg|Bitmap Files|*.bmp|GIF Files|*.gif" };
if (ofd.ShowDialog() != DialogResult.OK) return;
try
{
var bmp = new Bitmap(Image.FromFile(ofd.FileName));
var binary = new BinaryBitmap(new HybridBinarizer(new RGBLuminanceSource(bmp, bmp.Width, bmp.Height)));
var reader = new QRCodeReader();
var result = reader.decode(binary);
var byteArray = (byte[])((ArrayList)result.ResultMetadata[ResultMetadataType.BYTE_SEGMENTS])[0];
var ms = new MemoryStream(byteArray);
gridControl.LevelData.Read(ms);
ms.Close();
DataToGui();
}
catch (ReaderException ex)
{
MessageBox.Show(@"Error Loading:" + Environment.NewLine + ex.Message);
}
}
public void StopScanning()
{
if (IsScanning)
{
IsScanning = false;
_reader = null;
UninitializePhotoCamera();
}
}
