/// <summary>
/// Verify and create the authenticator if needed
/// </summary>
/// <returns>true is successful</returns>
private bool verifyAuthenticator(string privatekey)
{
if (string.IsNullOrEmpty(privatekey) == true)
{
return(false);
}
this.Authenticator.Name = nameField.Text;
string authtype = "totp";
// if this is a URL, pull it down
Uri uri;
Match match;
if (Regex.IsMatch(privatekey, "https?://.*") == true && Uri.TryCreate(privatekey, UriKind.Absolute, out uri) == true)
{
try
{
var request = (HttpWebRequest)WebRequest.Create(uri);
request.AllowAutoRedirect = true;
request.Timeout = 20000;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)";
using (var response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusCode == HttpStatusCode.OK && response.ContentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase) == true)
{
using (Bitmap bitmap = (Bitmap)Bitmap.FromStream(response.GetResponseStream()))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = HttpUtility.UrlDecode(result.Text);
}
}
}
}
}
catch (Exception ex)
{
WinAuthForm.ErrorDialog(this.Owner, "Cannot load QR code image from " + privatekey, ex);
return(false);
}
}
else if ((match = Regex.Match(privatekey, @"data:image/([^;]+);base64,(.*)", RegexOptions.IgnoreCase)).Success == true)
{
byte[] imagedata = Convert.FromBase64String(match.Groups[2].Value);
using (MemoryStream ms = new MemoryStream(imagedata))
{
using (Bitmap bitmap = (Bitmap)Bitmap.FromStream(ms))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = HttpUtility.UrlDecode(result.Text);
}
}
}
}
else if (IsValidFile(privatekey) == true)
{
// assume this is the image file
using (Bitmap bitmap = (Bitmap)Bitmap.FromFile(privatekey))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = result.Text;
}
}
}
// check for otpauth://, e.g. "otpauth://totp/[email protected]?secret=IHZJDKAEEC774BMUK3GX6SA"
match = Regex.Match(privatekey, @"otpauth://([^/]+)/([^?]+)\?(.*)", RegexOptions.IgnoreCase);
if (match.Success == true)
{
authtype = match.Groups[1].Value; // @todo we only handle totp (not hotp)
if (string.Compare(authtype, "totp", true) != 0)
{
WinAuthForm.ErrorDialog(this.Owner, "Only time-based (TOTP) authenticators are supported when adding a Google Authenticator. Use the general \"Add Authenticator\" for counter-based (HOTP) authenticators.");
return(false);
}
string label = match.Groups[2].Value;
if (string.IsNullOrEmpty(label) == false)
{
this.Authenticator.Name = this.nameField.Text = label;
}
NameValueCollection qs = WinAuthHelper.ParseQueryString(match.Groups[3].Value);
privatekey = qs["secret"] ?? privatekey;
}
// just get the hex chars
privatekey = Regex.Replace(privatekey, @"[^0-9a-z]", "", RegexOptions.IgnoreCase);
if (privatekey.Length == 0)
{
WinAuthForm.ErrorDialog(this.Owner, "The secret code is not valid");
return(false);
}
try
{
GoogleAuthenticator auth = new GoogleAuthenticator();
auth.Enroll(privatekey);
this.Authenticator.AuthenticatorData = auth;
codeProgress.Visible = true;
string key = Base32.getInstance().Encode(this.Authenticator.AuthenticatorData.SecretKey);
this.secretCodeField.Text = Regex.Replace(key, ".{3}", "$0 ").Trim();
this.codeField.Text = auth.CurrentCode;
if (auth.ServerTimeDiff == 0L && SyncErrorWarned == false)
{
SyncErrorWarned = true;
MessageBox.Show(this, string.Format(strings.AuthenticatorSyncError, "Google"), WinAuthMain.APPLICATION_TITLE, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
catch (Exception irre)
{
WinAuthForm.ErrorDialog(this.Owner, "Unable to create the authenticator. The secret code is probably invalid.", irre);
return(false);
}
return(true);
}
public void SetImage(System.Drawing.Bitmap image)
{
var scanner = new BarcodeReader()
{
TryInverted = true,
AutoRotate = true,
Options = new ZXing.Common.DecodingOptions()
{
TryHarder = true,
CharacterSet = "ISO-8859-1",
PossibleFormats = new List <BarcodeFormat>()
{
BarcodeFormat.QR_CODE
},
}
};
var result = scanner.Decode(image);
if (result != null)
{
var resultBytes = new byte[result.RawBytes.Length - 2];
for (int i = 5; i < result.RawBytes.Length * 2; i++)
{
int byteIndex = (i - 5) / 2;
int rawByteIndex = i / 2;
byte value = 0;
if (i % 2 == 0)
{
value = (byte)((result.RawBytes[rawByteIndex] & 0xF0) >> 4);
}
else
{
value = (byte)(result.RawBytes[rawByteIndex] & 0x0F);
}
if ((i - 5) % 2 == 0)
{
resultBytes[byteIndex] += (byte)(value << 4);
}
else
{
resultBytes[byteIndex] += value;
}
}
var bytes = resultBytes;
if (bytes[0x69] == 0x09)
{
IsQRCode = true;
}
if (IsQRCode)
{
SetBytes(bytes);
}
else
{
this.Image = image;
}
}
else
{
this.Image = image;
}
}
private void _initiateScanButton_Click(object sender, EventArgs e)
{
_barcodeReader.Aim(true);
_barcodeReader.Light(true);
_barcodeReader.Decode(true);
}
void AnalyzeBitmap(Bitmap bitmap, TimeSpan time)
{
Result result = null;
try
{
result = reader.Decode(
bitmap.Buffers[0].Buffer.ToArray(),
(int)bitmap.Buffers[0].Pitch,
(int)bitmap.Dimensions.Height,
BitmapFormat.Gray8
);
}
catch
{
mDialog("Fehler beim Einlesen des QR-Codes", 1);
}
if (result != null)
{
var ignore = Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
DispatcherTimerOff();
removeEffects();
// show frame, progress ring and text
enableSearchFrame();
// QR-Code hat nun einen json string
// host + andere (uid)
DTO.QRCodeDTO qrcDTO;
try
{
qrcDTO = JsonConvert.DeserializeObject <DTO.QRCodeDTO>(result.Text);
}
catch (Exception e)
{
qrcDTO = null;
}
if (qrcDTO == null)
{
disableSearchFrame();
mDialog("Falscher QR-Code!" + Environment.NewLine + "Weiter scannen?", 0);
}
else
{
// check http url
if (Uri.IsWellFormedUriString(qrcDTO.host, UriKind.RelativeOrAbsolute))
{
getQuestions(qrcDTO);
}
else
{
disableSearchFrame();
mDialog("Fehler: Keine gültige URL gefunden!", 1);
}
}
});
}
}
void Update()
{
#if UNITY_EDITOR
if (framerate++ % 15 == 0)
{
#elif UNITY_IOS || UNITY_ANDROID
if (framerate++ % 15 == 0)
{
#else
if (framerate++ % 20 == 0)
{
#endif
if (e_DeviceController.isPlaying && !decoding)
{
W = e_DeviceController.Width(); // get the image width
H = e_DeviceController.Height(); // get the image height
if (W < 100 || H < 100)
{
return;
}
if (!isInit && W > 100 && H > 100)
{
blockWidth = Math.Min(W, H);
isInit = true;
}
if (targetColorARR == null)
{
targetColorARR = new Color32[blockWidth * blockWidth];
}
int posx = ((W - blockWidth) >> 1); //
int posy = ((H - blockWidth) >> 1);
orginalc = e_DeviceController.GetPixels(posx, posy, blockWidth, blockWidth); // get the webcam image colors
//convert the color(float) to color32 (byte)
for (int i = 0; i != blockWidth; i++)
{
for (int j = 0; j != blockWidth; j++)
{
targetColorARR[i + j * blockWidth].r = (byte)(orginalc[i + j * blockWidth].r * 255);
targetColorARR[i + j * blockWidth].g = (byte)(orginalc[i + j * blockWidth].g * 255);
targetColorARR[i + j * blockWidth].b = (byte)(orginalc[i + j * blockWidth].b * 255);
targetColorARR[i + j * blockWidth].a = 255;
}
}
#if !UNITY_WEBGL
// scan the qrcode
Loom.RunAsync(() =>
{
try
{
Result data;
data = barReader.Decode(targetColorARR, blockWidth, blockWidth); //start decode
if (data != null) // if get the result success
{
decoding = true; // set the variable is true
dataText = data.Text; // use the variable to save the code result
}
}
catch (Exception e)
{
// Debug.LogError("Decode Error: " + e.Data.ToString());
decoding = false;
}
});
#else
Result data;
data = barReader.Decode(targetColorARR, blockWidth, blockWidth); //start decode
if (data != null) // if get the result success
{
decoding = true; // set the variable is true
dataText = data.Text; // use the variable to save the code result
}
#endif
}
if (decoding)
{
// if the status variable is change
if (tempDecodeing != decoding)
{
onQRScanFinished(dataText); //triger the scan finished event;
}
tempDecodeing = decoding;
}
}
}
public string GetData()
{
var upc = "";
var another = " ";
// create a barcode reader instance
//another = System.Web.Hosting.HostingEnvironment.ApplicationPhysicalPath;
//another += "images\\barcode.jpg"; // jpg part will be changed
another = "http://vhost0221.dc1.on.ca.compute.ihost.com/aspnet_client/WcfService2/WcfService2/images/barcode.jpg";
var localPath = new Uri(another).AbsolutePath;
//var barcodeImageFile = another;
var barcodeImageFile = localPath;
//var bitmap1 = (Bitmap)Bitmap.FromFile(barcodeImageFile);
IBarcodeReader barcodeReader;
barcodeReader = new BarcodeReader
{
AutoRotate = true,
Options = new DecodingOptions
{
TryHarder = true
}
};
try
{
//BarcodeReader reader = new BarcodeReader();
//another = "http://vhost0221.dc1.on.ca.compute.ihost.com/aspnet_client/WcfService2/WcfService2/images/barcode.jpg";
//using (var bitmap = (Bitmap)Bitmap.FromFile(barcodeImageFile))
using (var bitmap = (Bitmap)Bitmap.FromFile(barcodeImageFile))
{
//another += "dsdsdsd ";
try
{
var result = barcodeReader.Decode(bitmap);
upc = result.ToString(); // THIS IS THE UPC NUMBER :)
//upc += result.ToString();
//another += "kkkkkk";
//return result.ToString();
}
catch (Exception innerExc)
{
upc += "first";
Console.WriteLine("Exception: {0}", innerExc.Message);
}
}
}
catch (Exception exc)
{
upc += "second ";
upc += barcodeImageFile;
another += " exccc " + exc.Message;
Console.WriteLine("Exception: {0}", exc.Message);
}
// Result result = reader.Decode((Bitmap)Bitmap.FromFile("http://vhost0221.dc1.on.ca.compute.ihost.com/aspnet_client/WcfService2/WcfService2/barcode.jpg"));
// load a bitmap
//var barcodeBitmap = (Bitmap)Bitmap.FromFile("http://vhost0221.dc1.on.ca.compute.ihost.com/aspnet_client/WcfService2/WcfService2/barcode.jpg");
// detect and decode the barcode inside the bitmap
//return upc+" "+another;
//return upc + another;
return(upc);
}
private void Decode(IEnumerable <Bitmap> bitmaps, bool tryMultipleBarcodes, IList <BarcodeFormat> possibleFormats)
{
resultPoints.Clear();
lastResults.Clear();
txtContent.Text = String.Empty;
var timerStart = DateTime.Now.Ticks;
IList <Result> results = null;
var previousFormats = barcodeReader.Options.PossibleFormats;
if (possibleFormats != null)
{
barcodeReader.Options.PossibleFormats = possibleFormats;
}
foreach (var bitmap in bitmaps)
{
if (tryMultipleBarcodes)
{
results = barcodeReader.DecodeMultiple(bitmap);
}
else
{
var result = barcodeReader.Decode(bitmap);
if (result != null)
{
if (results == null)
{
results = new List <Result>();
}
results.Add(result);
}
}
}
var timerStop = DateTime.Now.Ticks;
barcodeReader.Options.PossibleFormats = previousFormats;
if (results == null)
{
txtContent.Text = "No barcode recognized";
}
labDuration.Text = new TimeSpan(timerStop - timerStart).ToString();
if (results != null)
{
foreach (var result in results)
{
if (result.ResultPoints.Length > 0)
{
var offsetX = picBarcode.SizeMode == PictureBoxSizeMode.CenterImage
? (picBarcode.Width - picBarcode.Image.Width) / 2 :
0;
var offsetY = picBarcode.SizeMode == PictureBoxSizeMode.CenterImage
? (picBarcode.Height - picBarcode.Image.Height) / 2 :
0;
var rect = new Rectangle((int)result.ResultPoints[0].X + offsetX, (int)result.ResultPoints[0].Y + offsetY, 1, 1);
foreach (var point in result.ResultPoints)
{
if (point.X + offsetX < rect.Left)
{
rect = new Rectangle((int)point.X + offsetX, rect.Y, rect.Width + rect.X - (int)point.X - offsetX, rect.Height);
}
if (point.X + offsetX > rect.Right)
{
rect = new Rectangle(rect.X, rect.Y, rect.Width + (int)point.X - (rect.X - offsetX), rect.Height);
}
if (point.Y + offsetY < rect.Top)
{
rect = new Rectangle(rect.X, (int)point.Y + offsetY, rect.Width, rect.Height + rect.Y - (int)point.Y - offsetY);
}
if (point.Y + offsetY > rect.Bottom)
{
rect = new Rectangle(rect.X, rect.Y, rect.Width, rect.Height + (int)point.Y - (rect.Y - offsetY));
}
}
using (var g = picBarcode.CreateGraphics())
{
g.DrawRectangle(Pens.Green, rect);
}
}
}
}
}
static void Main(string[] args)
{
// create a barcode reader instance
var barcodeReader = new BarcodeReader {
AutoRotate = true
};
// create an in memory bitmap
//var barcodeBitmap = (Bitmap)Bitmap.FromFile(@"C:\temp\authdoc079790-1.tif");
var pages = GetAllPages(@"C:\temp\authdoc079790-1.tif");
foreach (var page in pages)
{
Bitmap bmp = (Bitmap)page;
var barcodeResult = barcodeReader.Decode(bmp);
}
// decode the barcode from the in memory bitmap
//var barcodeResult = barcodeReader.Decode(barcodeBitmap);
// output results to console
//Console.WriteLine($"Decoded barcode text: {barcodeResult?.Text}");
//Console.WriteLine($"Barcode format: {barcodeResult?.BarcodeFormat}");
//var barcodeReader = new BarcodeReader();
////IBarcodeReader reader = new BarcodeReader();
//// load a bitmap
//var barcodeBitmap = (Bitmap)Bitmap.FromFile(@"C:\temp\test.bmp");
//// detect and decode the barcode inside the bitmap
//var result = barcodeReader.Decode(barcodeBitmap);
//// do something with the result
//if (result != null)
//{
// Console.WriteLine(result.BarcodeFormat.ToString());
// Console.WriteLine(result.Text);
//}
//string path = @"c:\temp\test.png";
//Bitmap originalImage = (Bitmap)Bitmap.FromFile(path);
//ImageConverter imCo = new ImageConverter();
//byte[] bbt = (byte[])imCo.ConvertTo(originalImage, typeof(byte[]));
//IDictionary<DecodeHintType, object> hintMap = new Dictionary<DecodeHintType, object>();
//hintMap.Add(DecodeHintType.TRY_HARDER, true);
//LuminanceSource source = new RGBLuminanceSource(bbt, originalImage.Width, originalImage.Height);
//BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
//// decode the barcode
//QRCodeReader reader = new QRCodeReader();
//BarcodeReader rr = new BarcodeReader();
//rr.Options.PossibleFormats = new List<BarcodeFormat> { BarcodeFormat.QR_CODE };
//Result result = null;
//try
//{
// Result[] results = rr.DecodeMultiple(source);
// result = reader.decode(bitmap, hintMap);
//}
//catch (ReaderException e)
//{
//}
}
private void ReadBarcodeZXing(Bitmap cropped)
{
IList <BarcodeFormat> possibleFormats = new List <BarcodeFormat>();
switch ((BarcodeTypeComboBox.SelectedValue as ComboBoxItem)?.Content as string)
{
case "QR | ITF":
possibleFormats.Add(BarcodeFormat.QR_CODE);
possibleFormats.Add(BarcodeFormat.ITF);
break;
case "QR":
possibleFormats.Add(BarcodeFormat.QR_CODE);
break;
case "ITF":
possibleFormats.Add(BarcodeFormat.ITF);
break;
case "1D":
possibleFormats.Add(BarcodeFormat.All_1D);
break;
case "DataMatrix":
possibleFormats.Add(BarcodeFormat.DATA_MATRIX);
break;
case "2D":
possibleFormats.Add(BarcodeFormat.DATA_MATRIX);
possibleFormats.Add(BarcodeFormat.QR_CODE);
possibleFormats.Add(BarcodeFormat.PDF_417);
possibleFormats.Add(BarcodeFormat.AZTEC);
possibleFormats.Add(BarcodeFormat.CODE_128);
break;
case "Alle":
possibleFormats.Add(BarcodeFormat.All_1D);
possibleFormats.Add(BarcodeFormat.DATA_MATRIX);
possibleFormats.Add(BarcodeFormat.QR_CODE);
possibleFormats.Add(BarcodeFormat.PDF_417);
possibleFormats.Add(BarcodeFormat.AZTEC);
possibleFormats.Add(BarcodeFormat.CODE_128);
break;
}
IBarcodeReader reader = new BarcodeReader()
{
AutoRotate = true,
Options = new DecodingOptions()
{
TryHarder = true,
PossibleFormats = possibleFormats
}
};
// load a bitmap
// detect and decode the barcode inside the bitmap
var result = reader.Decode(cropped);
// do something with the result
if (result != null)
{
LabelBarcodeContent.Text = result.Text;
LabelBarcodeType.Text = result.BarcodeFormat.ToString();
//SystemSounds.Hand.Play();
Console.Beep(3100, 80);
}
}
private void timer1_Tick(object sender, EventArgs e)
{
DT_Now = DateTime.Now;
if (VideoViewer.GetCurrentVideoFrame() != null)
{
BarcodeReader Reader = new BarcodeReader();
Bitmap img = new Bitmap(VideoViewer.GetCurrentVideoFrame());
//----------------加入CV---------------------
//Image<Gray, byte> I = new Image<Gray, byte>(img);
//Image<Bgr, byte> DrawI = I.Convert<Bgr, byte>();
//Image<Gray, byte> CannyImage = I.Clone(); //灰階處理
//CvInvoke.GaussianBlur(I, CannyImage, new Size(5, 5), 0);
//CvInvoke.Canny(I, CannyImage, 100, 200);
//MyCV.BoundingBox(CannyImage, DrawI);
//pictureBox1.Image = DrawI.Bitmap;
//pictureBox2.Image = CannyImage.Bitmap;
//Result result = Reader.Decode(DrawI.Bitmap);
//----------------CV end----------------------
Result result = Reader.Decode(img); //原本
img.Dispose(); //釋放資源
if (result != null)
{
Scan_result_richTextBox.SelectionColor = Color.Green;
Scan_result_richTextBox.AppendText("[" + DT_Now + "] 掃描條碼顯示: " + result + Environment.NewLine);
//Scan_result.Items.Add("DBconnection = " + connectionString);
//資料庫(自動Dispose寫法)
String check_psd = "SELECT * FROM staff_info WHERE Encode_ID = '" + result + "'";
using (OleDbCommand cmd = new OleDbCommand())
{
DataSet ds = new DataSet();
Table_Row TBR = new Table_Row();
List <Table_Row> table_row = new List <Table_Row>();
//OleDbDataReader dr;
cmd.Connection = Access_DataBase.DB_Conn_Open(connectionString_StaffDB);
cmd.CommandText = check_psd;
//dr = cmd.ExecuteReader();
OleDbDataAdapter adapter = new OleDbDataAdapter(cmd);
try
{
adapter.Fill(ds, "Encode_ID");
adapter.Fill(ds, "Name");
adapter.Fill(ds, "Sex");
adapter.Fill(ds, "Job");
adapter.Fill(ds, "Phone");
adapter.Fill(ds, "CarNumP");
adapter.Fill(ds, "Photo");
try
{
TBR.Id = ds.Tables["Encode_ID"].Rows[0]["Encode_ID"].ToString();
TBR.Name = ds.Tables["Name"].Rows[0]["Name"].ToString();
TBR.Sex = ds.Tables["Sex"].Rows[0]["Sex"].ToString();
TBR.Job = ds.Tables["Job"].Rows[0]["Job"].ToString();
TBR.CarNumP = ds.Tables["CarNumP"].Rows[0]["CarNumP"].ToString();
TBR.CarNumP = ds.Tables["Phone"].Rows[0]["Phone"].ToString();
TBR.Photo = (byte[])ds.Tables["Photo"].Rows[0]["Photo"];
table_row.Add(TBR);
ds.Tables.Clear();
string Table_name = DT_Now.ToString("yyyy_MM");
Check_Table_Exsits(Access_DataBase.DB_Conn_Open(connectionString_QRcode_Scan), cmd, Table_name);//檢查有無當月Table沒有建立
ShowInfo SI_form = new ShowInfo(table_row, this, Table_name, connectionString_QRcode_Scan);
}
catch
{
TimerThread.Stop();
string message = "此條碼可能被註銷，或者不是岡山榮家發行";
string caption = "查無此資料";
MessageBoxButtons buttons = MessageBoxButtons.OK;
DialogResult DiaResult = MessageBox.Show(message, caption, buttons);
//MessageBox.Show(message, caption, buttons);
if (DiaResult == DialogResult.OK)
{
TimerThread.Start();
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
}
}
/// <summary>
/// Apply template
/// </summary>
/// <param name="template"></param>
/// <param name="image"></param>
public OmrPageOutput ApplyTemplate(OmrTemplate template, ScannedImage image)
{
// Image ready for scan
if (!image.IsReadyForScan)
{
if (!image.IsScannable)
{
image.Analyze();
}
image.PrepareProcessing();
}
// Page output
var retVal = new OmrPageOutput
{
Id = image.TemplateName + DateTime.Now.ToString("yyyyMMddHHmmss"),
TemplateId = image.TemplateName,
Parameters = image.Parameters,
StartTime = DateTime.Now,
Template = template
};
// Save directory for output images
var saveDirectory = string.Empty;
var parmStr = new StringBuilder();
if (SaveIntermediaryImages)
{
if (image.Parameters != null)
{
foreach (var pv in image.Parameters)
{
parmStr.AppendFormat("{0}.", pv);
}
}
retVal.RefImages = new List <string>
{
string.Format("{0}-{1}-init.bmp", retVal.Id, parmStr),
string.Format("{0}-{1}-tx.bmp", retVal.Id, parmStr),
string.Format("{0}-{1}-fields.bmp", retVal.Id, parmStr),
string.Format("{0}-{1}-gs.bmp", retVal.Id, parmStr),
string.Format("{0}-{1}-bw.bmp", retVal.Id, parmStr),
string.Format("{0}-{1}-inv.bmp", retVal.Id, parmStr)
};
saveDirectory = Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), "imgproc");
if (!Directory.Exists(saveDirectory))
{
Directory.CreateDirectory(saveDirectory);
}
image.Image.Save(Path.Combine(saveDirectory,
string.Format("{0}-{1}-init.bmp", DateTime.Now.ToString("yyyyMMddHHmmss"), parmStr)));
}
// First, we want to get the image from the scanned image and translate it to the original
// position in the template
Bitmap bmp = null;
try
{
bmp = new Bitmap((int)template.BottomRight.X, (int)template.BottomRight.Y, PixelFormat.Format24bppRgb);
// Scale
float width = template.TopRight.X - template.TopLeft.X,
height = template.BottomLeft.Y - template.TopLeft.Y;
// Translate to original
using (var g = Graphics.FromImage(bmp))
{
var bc = new ResizeBicubic((int)width, (int)height);
g.DrawImage(bc.Apply((Bitmap)image.Image), template.TopLeft.X, template.TopLeft.Y);
}
if (SaveIntermediaryImages)
{
bmp.Save(Path.Combine(saveDirectory,
string.Format("{0}-{1}-tx.bmp", DateTime.Now.ToString("yyyyMMddHHmmss"), parmStr)));
}
// Now try to do hit from the template
if (SaveIntermediaryImages)
{
using (var tbmp = bmp.Clone() as Bitmap)
{
using (var g = Graphics.FromImage(tbmp))
{
foreach (var field in template.Fields)
{
g.DrawRectangle(Pens.Black, field.TopLeft.X, field.TopLeft.Y,
field.TopRight.X - field.TopLeft.X, field.BottomLeft.Y - field.TopLeft.Y);
g.DrawString(field.Id, SystemFonts.CaptionFont, Brushes.Black, field.TopLeft);
}
}
tbmp.Save(Path.Combine(saveDirectory,
string.Format("{0}-{1}-fields.bmp", DateTime.Now.ToString("yyyyMMddHHmmss"), parmStr)));
}
}
// Now convert to Grayscale
var grayFilter = new GrayscaleY();
var gray = grayFilter.Apply(bmp);
bmp.Dispose();
bmp = gray;
if (SaveIntermediaryImages)
{
bmp.Save(Path.Combine(saveDirectory,
string.Format("{0}-{1}-gs.bmp", DateTime.Now.ToString("yyyyMMddHHmmss"), parmStr)));
}
// Prepare answers
var hitFields = new Dictionary <OmrQuestionField, OmrOutputData>();
var barScan = new BarcodeReader();
barScan.Options.UseCode39ExtendedMode = true;
barScan.Options.UseCode39RelaxedExtendedMode = true;
barScan.Options.TryHarder = true;
barScan.TryInverted = true;
barScan.Options.PureBarcode = false;
barScan.AutoRotate = true;
foreach (var itm in template.Fields.Where(o => o is OmrBarcodeField))
{
var position = itm.TopLeft;
var size = new SizeF(itm.TopRight.X - itm.TopLeft.X, itm.BottomLeft.Y - itm.TopLeft.Y);
using (
var areaOfInterest =
new Crop(new Rectangle((int)position.X, (int)position.Y, (int)size.Width,
(int)size.Height)).Apply(bmp))
{
// Scan the barcode
var result = barScan.Decode(areaOfInterest);
if (result != null)
{
hitFields.Add(itm, new OmrBarcodeData
{
BarcodeData = result.Text,
Format = result.BarcodeFormat,
Id = itm.Id,
TopLeft =
new PointF(result.ResultPoints[0].X + position.X,
result.ResultPoints[0].Y + position.Y),
BottomRight =
new PointF(result.ResultPoints[1].X + position.X,
result.ResultPoints[0].Y + position.Y + 10)
});
}
}
}
// Now binarize
var binaryThreshold = new Threshold(template.ScanThreshold);
binaryThreshold.ApplyInPlace(bmp);
if (SaveIntermediaryImages)
{
bmp.Save(Path.Combine(saveDirectory,
string.Format("{0}-{1}-bw.bmp", DateTime.Now.ToString("yyyyMMddHHmmss"), parmStr)));
}
// Set return parameters
var tAnalyzeFile = Path.Combine(Path.GetTempPath(), Path.GetTempFileName());
bmp.Save(tAnalyzeFile, ImageFormat.Jpeg);
retVal.AnalyzedImage = tAnalyzeFile;
retVal.BottomRight = new PointF(bmp.Width, bmp.Height);
// Now Invert
var invertFiter = new Invert();
invertFiter.ApplyInPlace(bmp);
if (SaveIntermediaryImages)
{
bmp.Save(Path.Combine(saveDirectory,
string.Format("{0}-{1}-inv.bmp", DateTime.Now.ToString("yyyyMMddHHmmss"), parmStr)));
}
// Crop out areas of interest
var areasOfInterest = new List <KeyValuePair <OmrQuestionField, Bitmap> >();
foreach (var itm in template.Fields.Where(o => o is OmrBubbleField))
{
var position = itm.TopLeft;
var size = new SizeF(itm.TopRight.X - itm.TopLeft.X, itm.BottomLeft.Y - itm.TopLeft.Y);
areasOfInterest.Add(new KeyValuePair <OmrQuestionField, Bitmap>(
itm,
new Crop(new Rectangle((int)position.X, (int)position.Y, (int)size.Width,
(int)size.Height)).Apply(bmp))
);
}
// Queue analysis
var wtp = new WaitThreadPool();
var syncLock = new object();
foreach (var itm in areasOfInterest)
{
wtp.QueueUserWorkItem(img =>
{
var parm = itm;
try
{
var areaOfInterest = parm.Value;
var field = parm.Key;
var blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
// Check for circles
blobCounter.ProcessImage(areaOfInterest);
var blobs = blobCounter.GetObjectsInformation();
var blob = blobs.FirstOrDefault(o => o.Area == blobs.Max(b => b.Area));
if (blob != null)
{
//var area = new AForge.Imaging.ImageStatistics(blob).PixelsCountWithoutBlack;
if (blob.Area < 30)
{
return;
}
var bubbleField = field as OmrBubbleField;
lock (syncLock)
{
hitFields.Add(field, new OmrBubbleData
{
Id = field.Id,
Key = bubbleField.Question,
Value = bubbleField.Value,
TopLeft =
new PointF(blob.Rectangle.X + field.TopLeft.X,
blob.Rectangle.Y + field.TopLeft.Y),
BottomRight =
new PointF(blob.Rectangle.X + blob.Rectangle.Width + field.TopLeft.X,
blob.Rectangle.Y + blob.Rectangle.Height + field.TopLeft.Y),
BlobArea = blob.Area
});
}
}
}
catch (Exception e)
{
Trace.TraceError(e.ToString());
}
finally
{
parm.Value.Dispose();
}
}, itm);
}
wtp.WaitOne();
// Organize the response
foreach (var res in hitFields)
{
if (string.IsNullOrEmpty(res.Key.AnswerRowGroup))
{
AddAnswerToOutputCollection(retVal, res);
}
else
{
// Rows of data
var rowGroup = retVal.Details.Find(o => o.Id == res.Key.AnswerRowGroup) as OmrRowData;
if (rowGroup == null)
{
rowGroup = new OmrRowData
{
Id = res.Key.AnswerRowGroup
};
retVal.Details.Add(rowGroup);
}
AddAnswerToOutputCollection(rowGroup, res);
}
}
// Remove temporary images
//foreach (var f in retVal.RefImages)
// File.Delete(Path.Combine(saveDirectory, f));
// Outcome is success
retVal.Outcome = OmrScanOutcome.Success;
}
catch (Exception e)
{
retVal.Outcome = OmrScanOutcome.Failure;
retVal.ErrorMessage = e.Message;
Trace.TraceError(e.ToString());
}
finally
{
retVal.StopTime = DateTime.Now;
bmp.Dispose();
}
return(retVal);
}
/// <summary>
/// 从Qr中获取内容
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public string GetQrData(string path)
{
Image <Gray, Byte> image = new Image <Gray, Byte>(path),
dist1 = image.CopyBlank(),
dest2 = image.CopyBlank();
Image <Gray, Byte> threshimg = new Image <Gray, Byte>(image.Width, image.Height);
CvInvoke.Threshold(image, threshimg, 120, 255, ThresholdType.Binary);
//threshimg.Save(string.Format(@"E:\data\image\testimage\{0}-threshimg.jpg", Path.GetFileNameWithoutExtension(path)));
var contours = new VectorOfVectorOfPoint();
CvInvoke.FindContours(threshimg, contours, dist1, RetrType.List, ChainApproxMethod.ChainApproxNone);
var results = new List <Rectangle>();
for (var k = 0; k < contours.Size; k++)
{
if (contours[k].Size < 50)
{
continue;
}
var rectangle = CvInvoke.BoundingRectangle(contours[k]);
float w = rectangle.Width;
float h = rectangle.Height;
float rate = Math.Min(w, h) / Math.Max(w, h);
if (rate > 0.85)
{
dest2.Draw(rectangle, new Gray(255));
results.Add(rectangle);
}
}
dest2.Save(string.Format(@"E:\data\image\testimage\{0}-range.jpg", Path.GetFileNameWithoutExtension(path)));
//按照二维码规则，过滤不符合规范的区域
var filterResults = new List <Rectangle>();
foreach (var rectangle in results)
{
//if (results.Exists(
// p => p.X > rectangle.X && p.X + p.Width < rectangle.X + rectangle.Width && p.Y > rectangle.Y && p.Y + p.Height < rectangle.Y + rectangle.Height))
//{
// filterResults.Add(rectangle);
//}
filterResults.Add(rectangle);
}
//根据矩形面积进行分组，面积允许误差范围为10%
var sizeGroups = new Dictionary <int, List <Rectangle> >();
foreach (var filterResult in filterResults)
{
var size = filterResult.Height * filterResult.Width;
foreach (var sizeGroup in sizeGroups)
{
if (Math.Abs(sizeGroup.Key - size) <= sizeGroup.Key * 0.1)
{
sizeGroup.Value.Add(filterResult);
}
}
if (!sizeGroups.ContainsKey(size))
{
var items = new List <Rectangle>()
{
filterResult
};
sizeGroups[size] = items;
}
}
//遍历分组，找出最符合二维码的组合
var groupItems = new List <List <Rectangle> >();
foreach (var sizeGroup in sizeGroups)
{
if (sizeGroup.Value.Count < 3)
{
continue;
}
var combinationResults = GetCombinationList(sizeGroup.Value.Count, 3);
foreach (var combinationResult in combinationResults)
{
var r1 = sizeGroup.Value[combinationResult[0]];
var r2 = sizeGroup.Value[combinationResult[1]];
var r3 = sizeGroup.Value[combinationResult[2]];
if (Math.Abs(r1.Width - r2.Width) < 3 && Math.Abs(r1.Height - r2.Height) < 3 &&
Math.Abs(r2.Width - r3.Width) < 3 &&
Math.Abs(r2.Height - r3.Height) < 3)
{
int x = 0;
int y = 0;
if (Math.Abs(r1.X - r2.X) < r1.Width * 0.25)
{
y = Math.Abs(r1.Y - r2.Y);
var min = r1.Y > r2.Y ? r2 : r1;
if (Math.Abs(min.Y - r3.Y) > r1.Height * 0.25)
{
continue;
}
x = Math.Abs(r1.X - r3.X);
}
else if (Math.Abs(r1.Y - r2.Y) < r1.Height * 0.25)
{
y = Math.Abs(r1.Y - r3.Y);
var min = r1.X > r2.X ? r2 : r1;
if (Math.Abs(min.X - r3.X) > r1.Width * 0.25)
{
continue;
}
x = Math.Abs(r1.X - r2.X);
}
else if (Math.Abs(r1.Y - r3.Y) < r1.Height * 0.25)
{
y = Math.Abs(r1.Y - r2.Y);
var min = r1.X > r3.X ? r3 : r1;
if (Math.Abs(min.X - r2.X) > r1.Width * 0.25)
{
continue;
}
x = Math.Abs(r1.X - r3.X);
}
else if (Math.Abs(r1.X - r3.X) < r1.Width * 0.25)
{
y = Math.Abs(r1.Y - r3.Y);
var min = r1.Y > r3.Y ? r3 : r1;
if (Math.Abs(min.Y - r2.Y) > r1.Height * 0.25)
{
continue;
}
x = Math.Abs(r1.X - r2.X);
}
else
{
continue;
}
if (Math.Abs(x - y) < r1.Width * 0.25)
{
var item = new List <Rectangle>();
item.Add(r1);
item.Add(r2);
item.Add(r3);
groupItems.Add(item);
}
}
}
}
if (groupItems.Count == 0)
{
return(null);
}
var max = groupItems.OrderByDescending(p => (p[0].Height * p[0].Width)).ElementAt(0);
//var newRects = max.OrderBy(p => p.X).ThenBy(p => p.Y).ToList();
//if (newRects[0].X != newRects[1].X && newRects[0].Y != newRects[2].Y)
//{
// //三点仿射进行图片纠正
// var srcPoints = new PointF[]
// {
// new PointF(newRects[0].X, newRects[0].Y), new PointF(newRects[1].X, newRects[1].Y),
// new PointF(newRects[2].X, newRects[2].Y)
// };
// var destPoints = new PointF[]
// {
// new PointF(newRects[0].X, newRects[0].Y), new PointF(newRects[0].X, newRects[1].Y),
// new PointF(newRects[2].X, newRects[0].Y)
// };
// var warpImage = RotateHelper.WarpPerspective(image.Bitmap, srcPoints, destPoints);
// image = new Image<Gray, Byte>(warpImage);
// image.Save(string.Format(@"E:\data\image\testimage\{0}-Rotate.jpg", Path.GetFileNameWithoutExtension(path)));
//}
var minx = max.Min(p => p.X) - 10;
var miny = max.Min(p => p.Y) - 10;
var width = max.Max(p => (p.X + p.Width)) + 20;
var height = max.Max(p => (p.Y + p.Height)) + 20;
var code = ImageHelper.CutImage(image.Bitmap, new Rectangle(minx, miny, width - minx, height - miny));
code.Save(string.Format(@"E:\data\image\testimage\{0}-qr.jpg", Path.GetFileNameWithoutExtension(path)));
BarcodeReader reader = new BarcodeReader();
reader.Options.CharacterSet = "utf-8";
reader.Options.TryHarder = true;
var decodeObj = reader.Decode(code);
if (decodeObj != null)
{
return(decodeObj.Text);
}
else
{
int count = 0;
while (decodeObj == null)
{
if (count > 2)
{
break;
}
code = (Bitmap)code.ResizeImage(
new Size((int)Math.Round(code.Width * 0.8), (int)Math.Round(code.Height * 0.8)));
decodeObj = reader.Decode(code);
if (decodeObj != null)
{
return(decodeObj.Text);
}
count++;
}
}
return(null);
}
/// <summary>
/// Запустить сканирование
/// </summary>
public void StartScanning()
{
IsStarted = true;
// Get our preview properties
var previewProperties = _capture.VideoDeviceController.GetMediaStreamProperties(MediaStreamType.VideoPreview) as VideoEncodingProperties;
_scanningTimer = new Timer(async(state) =>
{
if (_isProcessingFrame || _capture == null || _capture.CameraStreamState != CameraStreamState.Streaming)
{
_scanningTimer?.Change(DelayBetweenAnalyzingFrames, Timeout.Infinite);
return;
}
var token = _scanCancellationToken.Token;
var delay = DelayBetweenAnalyzingFrames;
_isProcessingFrame = true;
VideoFrame destFrame = null;
VideoFrame frame = null;
try
{
// Setup a frame to use as the input settings
destFrame = new VideoFrame(Windows.Graphics.Imaging.BitmapPixelFormat.Bgra8, (int)previewProperties.Width, (int)previewProperties.Height);
// Get preview
frame = await _capture.GetPreviewFrameAsync(destFrame);
}
catch (Exception ex)
{
Debug.WriteLine("GetPreviewFrame Failed: {0}", ex);
}
if (token.IsCancellationRequested)
{
return;
}
Result result = null;
// Try decoding the image
try
{
if (frame != null)
{
await _dispatcher.RunAsync(CoreDispatcherPriority.Low, () =>
{
if (_bitmap == null)
{
_bitmap = new WriteableBitmap(frame.SoftwareBitmap.PixelWidth, frame.SoftwareBitmap.PixelHeight);
}
frame.SoftwareBitmap.CopyToBuffer(_bitmap.PixelBuffer);
result = _barcodeReader.Decode(_bitmap);
if (destFrame != null)
{
destFrame.Dispose();
destFrame = null;
}
frame.Dispose();
frame = null;
});
}
}
catch (Exception ex)
{
}
if (token.IsCancellationRequested)
{
return;
}
if (result != null)
{
CodeScanned?.Invoke(this, result);
delay = DelayBetweenContinuousScans;
}
_isProcessingFrame = false;
_scanningTimer?.Change(delay, Timeout.Infinite);
}, null, InitialDelayBeforeAnalyzingFrames, Timeout.Infinite);
}
private async void DecodeBarCode()
{
var reader = new BarcodeReader
{
AutoRotate = true,
Options = new DecodingOptions
{
TryHarder = true,
}
};
var result = await Task.Run(() => reader.Decode(Image));
Debug.WriteLine(result != null
? "Barcode text : " + result.Text + "\nFormat : " + result.BarcodeFormat
: "Barcode not found!");
}
bool SetupCaptureSession()
{
var started = DateTime.UtcNow;
var availableResolutions = new List <CameraResolution> ();
var consideredResolutions = new Dictionary <NSString, CameraResolution> {
{ AVCaptureSession.Preset352x288, new CameraResolution {
Width = 352, Height = 288
} },
{ AVCaptureSession.PresetMedium, new CameraResolution {
Width = 480, Height = 360
} }, //480x360
{ AVCaptureSession.Preset640x480, new CameraResolution {
Width = 640, Height = 480
} },
{ AVCaptureSession.Preset1280x720, new CameraResolution {
Width = 1280, Height = 720
} },
{ AVCaptureSession.Preset1920x1080, new CameraResolution {
Width = 1920, Height = 1080
} }
};
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession()
{
SessionPreset = AVCaptureSession.Preset640x480
};
// create a device input and attach it to the session
// var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType (AVMediaType.Video);
AVCaptureDevice captureDevice = null;
var devices = AVCaptureDevice.DevicesWithMediaType(AVMediaType.Video);
foreach (var device in devices)
{
captureDevice = device;
if (options.UseFrontCameraIfAvailable.HasValue &&
options.UseFrontCameraIfAvailable.Value &&
device.Position == AVCaptureDevicePosition.Front)
{
break; //Front camera successfully set
}
else if (device.Position == AVCaptureDevicePosition.Back && (!options.UseFrontCameraIfAvailable.HasValue || !options.UseFrontCameraIfAvailable.Value))
{
break; //Back camera succesfully set
}
}
if (captureDevice == null)
{
Console.WriteLine("No captureDevice - this won't work on the simulator, try a physical device");
if (overlayView != null)
{
this.AddSubview(overlayView);
this.BringSubviewToFront(overlayView);
}
return(false);
}
CameraResolution resolution = null;
// Find resolution
// Go through the resolutions we can even consider
foreach (var cr in consideredResolutions)
{
// Now check to make sure our selected device supports the resolution
// so we can add it to the list to pick from
if (captureDevice.SupportsAVCaptureSessionPreset(cr.Key))
{
availableResolutions.Add(cr.Value);
}
}
resolution = options.GetResolution(availableResolutions);
// See if the user selected a resolution
if (resolution != null)
{
// Now get the preset string from the resolution chosen
var preset = (from c in consideredResolutions
where c.Value.Width == resolution.Width &&
c.Value.Height == resolution.Height
select c.Key).FirstOrDefault();
// If we found a matching preset, let's set it on the session
if (!string.IsNullOrEmpty(preset))
{
session.SessionPreset = preset;
}
}
var input = AVCaptureDeviceInput.FromDevice(captureDevice);
if (input == null)
{
Console.WriteLine("No input - this won't work on the simulator, try a physical device");
if (overlayView != null)
{
this.AddSubview(overlayView);
this.BringSubviewToFront(overlayView);
}
return(false);
}
else
{
session.AddInput(input);
}
var startedAVPreviewLayerAlloc = DateTime.UtcNow;
previewLayer = new AVCaptureVideoPreviewLayer(session);
var totalAVPreviewLayerAlloc = DateTime.UtcNow - startedAVPreviewLayerAlloc;
Console.WriteLine("PERF: Alloc AVCaptureVideoPreviewLayer took {0} ms.", totalAVPreviewLayerAlloc.TotalMilliseconds);
//Framerate set here (15 fps)
if (UIDevice.CurrentDevice.CheckSystemVersion(7, 0))
{
var perf1 = PerformanceCounter.Start();
NSError lockForConfigErr = null;
captureDevice.LockForConfiguration(out lockForConfigErr);
if (lockForConfigErr == null)
{
captureDevice.ActiveVideoMinFrameDuration = new CMTime(1, 10);
captureDevice.UnlockForConfiguration();
}
PerformanceCounter.Stop(perf1, "PERF: ActiveVideoMinFrameDuration Took {0} ms");
}
else
{
previewLayer.Connection.VideoMinFrameDuration = new CMTime(1, 10);
}
var perf2 = PerformanceCounter.Start();
#if __UNIFIED__
previewLayer.VideoGravity = AVLayerVideoGravity.ResizeAspectFill;
#else
previewLayer.LayerVideoGravity = AVLayerVideoGravity.ResizeAspectFill;
#endif
previewLayer.Frame = new CGRect(0, 0, this.Frame.Width, this.Frame.Height);
previewLayer.Position = new CGPoint(this.Layer.Bounds.Width / 2, (this.Layer.Bounds.Height / 2));
layerView = new UIView(new CGRect(0, 0, this.Frame.Width, this.Frame.Height));
layerView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
layerView.Layer.AddSublayer(previewLayer);
this.AddSubview(layerView);
ResizePreview(UIApplication.SharedApplication.StatusBarOrientation);
if (overlayView != null)
{
this.AddSubview(overlayView);
this.BringSubviewToFront(overlayView);
//overlayView.LayoutSubviews ();
}
PerformanceCounter.Stop(perf2, "PERF: Setting up layers took {0} ms");
var perf3 = PerformanceCounter.Start();
session.StartRunning();
PerformanceCounter.Stop(perf3, "PERF: session.StartRunning() took {0} ms");
var perf4 = PerformanceCounter.Start();
var videoSettings = NSDictionary.FromObjectAndKey(new NSNumber((int)CVPixelFormatType.CV32BGRA),
CVPixelBuffer.PixelFormatTypeKey);
// create a VideoDataOutput and add it to the sesion
output = new AVCaptureVideoDataOutput {
WeakVideoSettings = videoSettings
};
// configure the output
queue = new DispatchQueue("ZxingScannerView"); // (Guid.NewGuid().ToString());
var barcodeReader = new BarcodeReader(null, (img) =>
{
var src = new RGBLuminanceSource(img); //, bmp.Width, bmp.Height);
//Don't try and rotate properly if we're autorotating anyway
if (ScanningOptions.AutoRotate.HasValue && ScanningOptions.AutoRotate.Value)
{
return(src);
}
var tmpInterfaceOrientation = UIInterfaceOrientation.Portrait;
InvokeOnMainThread(() => tmpInterfaceOrientation = UIApplication.SharedApplication.StatusBarOrientation);
switch (tmpInterfaceOrientation)
{
case UIInterfaceOrientation.Portrait:
return(src.rotateCounterClockwise().rotateCounterClockwise().rotateCounterClockwise());
case UIInterfaceOrientation.PortraitUpsideDown:
return(src.rotateCounterClockwise().rotateCounterClockwise().rotateCounterClockwise());
case UIInterfaceOrientation.LandscapeLeft:
return(src);
case UIInterfaceOrientation.LandscapeRight:
return(src);
}
return(src);
}, null, null); //(p, w, h, f) => new RGBLuminanceSource(p, w, h, RGBLuminanceSource.BitmapFormat.Unknown));
if (ScanningOptions.TryHarder.HasValue)
{
Console.WriteLine("TRY_HARDER: " + ScanningOptions.TryHarder.Value);
barcodeReader.Options.TryHarder = ScanningOptions.TryHarder.Value;
}
if (ScanningOptions.PureBarcode.HasValue)
{
barcodeReader.Options.PureBarcode = ScanningOptions.PureBarcode.Value;
}
if (ScanningOptions.AutoRotate.HasValue)
{
Console.WriteLine("AUTO_ROTATE: " + ScanningOptions.AutoRotate.Value);
barcodeReader.AutoRotate = ScanningOptions.AutoRotate.Value;
}
if (!string.IsNullOrEmpty(ScanningOptions.CharacterSet))
{
barcodeReader.Options.CharacterSet = ScanningOptions.CharacterSet;
}
if (ScanningOptions.TryInverted.HasValue)
{
barcodeReader.TryInverted = ScanningOptions.TryInverted.Value;
}
if (ScanningOptions.PossibleFormats != null && ScanningOptions.PossibleFormats.Count > 0)
{
barcodeReader.Options.PossibleFormats = new List <BarcodeFormat>();
foreach (var pf in ScanningOptions.PossibleFormats)
{
barcodeReader.Options.PossibleFormats.Add(pf);
}
}
outputRecorder = new OutputRecorder(ScanningOptions, img =>
{
if (!IsAnalyzing)
{
return;
}
try
{
//var sw = new System.Diagnostics.Stopwatch();
//sw.Start();
var rs = barcodeReader.Decode(img);
//sw.Stop();
//Console.WriteLine("Decode Time: {0} ms", sw.ElapsedMilliseconds);
if (rs != null)
{
resultCallback(rs);
}
}
catch (Exception ex)
{
Console.WriteLine("DECODE FAILED: " + ex);
}
});
output.AlwaysDiscardsLateVideoFrames = true;
output.SetSampleBufferDelegate(outputRecorder, queue);
PerformanceCounter.Stop(perf4, "PERF: SetupCamera Finished. Took {0} ms.");
session.AddOutput(output);
//session.StartRunning ();
var perf5 = PerformanceCounter.Start();
NSError err = null;
if (captureDevice.LockForConfiguration(out err))
{
if (captureDevice.IsFocusModeSupported(AVCaptureFocusMode.ContinuousAutoFocus))
{
captureDevice.FocusMode = AVCaptureFocusMode.ContinuousAutoFocus;
}
else if (captureDevice.IsFocusModeSupported(AVCaptureFocusMode.AutoFocus))
{
captureDevice.FocusMode = AVCaptureFocusMode.AutoFocus;
}
if (captureDevice.IsExposureModeSupported(AVCaptureExposureMode.ContinuousAutoExposure))
{
captureDevice.ExposureMode = AVCaptureExposureMode.ContinuousAutoExposure;
}
else if (captureDevice.IsExposureModeSupported(AVCaptureExposureMode.AutoExpose))
{
captureDevice.ExposureMode = AVCaptureExposureMode.AutoExpose;
}
if (captureDevice.IsWhiteBalanceModeSupported(AVCaptureWhiteBalanceMode.ContinuousAutoWhiteBalance))
{
captureDevice.WhiteBalanceMode = AVCaptureWhiteBalanceMode.ContinuousAutoWhiteBalance;
}
else if (captureDevice.IsWhiteBalanceModeSupported(AVCaptureWhiteBalanceMode.AutoWhiteBalance))
{
captureDevice.WhiteBalanceMode = AVCaptureWhiteBalanceMode.AutoWhiteBalance;
}
if (UIDevice.CurrentDevice.CheckSystemVersion(7, 0) && captureDevice.AutoFocusRangeRestrictionSupported)
{
captureDevice.AutoFocusRangeRestriction = AVCaptureAutoFocusRangeRestriction.Near;
}
if (captureDevice.FocusPointOfInterestSupported)
{
captureDevice.FocusPointOfInterest = new PointF(0.5f, 0.5f);
}
if (captureDevice.ExposurePointOfInterestSupported)
{
captureDevice.ExposurePointOfInterest = new PointF(0.5f, 0.5f);
}
captureDevice.UnlockForConfiguration();
}
else
{
Console.WriteLine("Failed to Lock for Config: " + err.Description);
}
PerformanceCounter.Stop(perf5, "PERF: Setup Focus in {0} ms.");
return(true);
}
private void timer1_Tick(object sender, EventArgs e)
{
if (pictureBox1.Image != null)
{
BarcodeReader reader = new BarcodeReader();
Result result = reader.Decode((Bitmap)pictureBox1.Image);
if (result != null)
{
if (nhan.Equals("main"))
{
String caulenh = "select TenKH from KhachHang where MaKh='" + result.Text.ToString().Trim() + "'";
SqlDataAdapter sqldata = new SqlDataAdapter(caulenh, ketnoi);
DataTable dt = new DataTable();
sqldata.Fill(dt);
if (dt.Rows.Count == 1)
{
gui = result.Text.ToString().Trim();
textBox1.Text = dt.Rows[0]["TenKH"].ToString();
//textBox1.Text = result.Text.ToString().Trim();
timer1.Stop();
if (captureDevice.IsRunning)
{
captureDevice.Stop();
}
}
else
{
MessageBox.Show("Không Tìm Thấy Mã Khách Hàng Vui Lòng Thử Lại !", "" +
"Lỗi truy xuất!");
timer1.Stop();
if (captureDevice.IsRunning)
{
captureDevice.Stop();
}
this.Hide();
}
}
else if (nhan.Equals("login"))
{
String caulenh = "select * from ThuNgan where MaNV='" + result.Text.ToString().Trim() + "'";
SqlDataAdapter sqldata = new SqlDataAdapter(caulenh, ketnoi);
DataTable dt = new DataTable();
sqldata.Fill(dt);
if (dt.Rows.Count == 1)
{
//gui = result.Text.ToString().Trim();
//textBox1.Text = dt.Rows[0]["TenKH"].ToString();
//textBox1.Text = result.Text.ToString().Trim();
Hierarchy hie = new Hierarchy();
hie.setH(result.Text.ToString().Trim());
this.Hide();
main mn = new main();
mn.maThuNgan = hie.getH();
mn.ShowNameThuNgan();
timer1.Stop();
if (captureDevice.IsRunning)
{
captureDevice.Stop();
}
mn.ShowDialog();
}
else
{
MessageBox.Show("Không nhận dạng được thẻ");
timer1.Stop();
if (captureDevice.IsRunning)
{
captureDevice.Stop();
}
this.Hide();
Login lg = new Login();
lg.ShowDialog();
}
}
}
}
}
private void timer1_Tick(object sender, EventArgs e)
{
string v = "varun", a = "ayushi", s = "shubhum", ak = "akshat";
int t = 12345, i = 123456, b = 1111, so = 8888;
BarcodeReader Reader = new BarcodeReader();
Result result = Reader.Decode((Bitmap)pictureBox4.Image);
try
{
string decoded = result.ToString().Trim();
textBox1.Text = decoded;
/* SqlConnectionStringBuilder connectionStringBuilder = new SqlConnectionStringBuilder();
* connectionStringBuilder.DataSource = ".";
* connectionStringBuilder.InitialCatalog = "TEMP";
* connectionStringBuilder.IntegratedSecurity = true;
* SqlConnection con = new SqlConnection("Data Source=(localdb)\\MSSQLLocalDB;Initial Catalog=Paytm;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False");
* SqlCommand cmd = new SqlCommand("select name,qrcode form payqr where qrcode= @qrc",con);
* cmd.Parameters.AddWithValue("@qrc",textBox1.Text);
* con.Open();
* string value =cmd.ExecuteScalar()as string;
* con.Close();
* if (textBox1.Text.Equals(value))*/
if (textBox1.Text == Convert.ToString(t))
{
timer1.Stop();
button4.Enabled = true;
textBox1.Text = decoded;
textBox3.Text = v;
args = v;
args1 = textBox2.Text;
args2 = textBox1.Text;
Success pyn = new Success();
pyn.Show();
this.Hide();
}
if (textBox1.Text == Convert.ToString(i))
{
timer1.Stop();
button4.Enabled = true;
textBox1.Text = decoded;
textBox3.Text = a;
args = a;
args1 = textBox2.Text;
args2 = textBox1.Text;
Success pyn = new Success();
pyn.Show();
this.Hide();
}
if (textBox1.Text == Convert.ToString(b))
{
timer1.Stop();
button4.Enabled = true;
textBox1.Text = decoded;
textBox3.Text = s;
args = s;
args1 = textBox2.Text;
args2 = textBox1.Text;
Success pyn = new Success();
pyn.Show();
this.Hide();
}
if (textBox1.Text == Convert.ToString(so))
{
timer1.Stop();
button4.Enabled = true;
textBox1.Text = decoded;
textBox3.Text = ak;
args = ak;
args1 = textBox2.Text;
args2 = textBox1.Text;
Success pyn = new Success();
pyn.Show();
this.Hide();
}
}
catch (Exception ex)
{
}
}
public void OnPreviewFrame(byte [] bytes, Android.Hardware.Camera camera)
{
if ((DateTime.Now - lastPreviewAnalysis).TotalMilliseconds < options.DelayBetweenAnalyzingFrames)
{
return;
}
try
{
/* OLD Android Code
* //Fix for image not rotating on devices
* byte[] rotatedData = new byte[bytes.Length];
* for (int y = 0; y < height; y++) {
* for (int x = 0; x < width; x++)
* rotatedData[x * height + height - y - 1] = bytes[x + y * width];
* }
*
* var cameraParameters = camera.GetParameters();
*
* //Changed to using a YUV Image to get the byte data instead of manually working with it!
* var img = new YuvImage(rotatedData, ImageFormatType.Nv21, cameraParameters.PreviewSize.Width, cameraParameters.PreviewSize.Height, null);
* var dataRect = GetFramingRectInPreview();
*
* var luminance = new PlanarYUVLuminanceSource (img.GetYuvData(), width, height, dataRect.Left, dataRect.Top, dataRect.Width(), dataRect.Height(), false);
* //var luminance = new PlanarYUVLuminanceSource(img.GetYuvData(), cameraParameters.PreviewSize.Width, cameraParameters.PreviewSize.Height, 0, 0, cameraParameters.PreviewSize.Width, cameraParameters.PreviewSize.Height, false);
* var binarized = new BinaryBitmap (new ZXing.Common.HybridBinarizer(luminance));
* var result = reader.decodeWithState(binarized);
*/
var cameraParameters = camera.GetParameters();
var img = new YuvImage(bytes, ImageFormatType.Nv21, cameraParameters.PreviewSize.Width, cameraParameters.PreviewSize.Height, null);
var dataRect = GetFramingRectInPreview();
//var barcodeReader = new BarcodeReader(null, p => new PlanarYUVLuminanceSource(img.GetYuvData(), img.Width, img.Height, dataRect.Left, dataRect.Top,
// dataRect.Width(), dataRect.Height(), false), null, null)
//{
// AutoRotate = true,
// TryHarder = true,
//};
var barcodeReader = new BarcodeReader(null, null, null, (p, w, h, f) =>
new PlanarYUVLuminanceSource(p, w, h, 0, 0, w, h, false))
//new PlanarYUVLuminanceSource(p, w, h, dataRect.Left, dataRect.Top, dataRect.Width(), dataRect.Height(), false))
{
AutoRotate = true,
TryHarder = false
};
if (this.options.PureBarcode.HasValue && this.options.PureBarcode.Value)
{
barcodeReader.PureBarcode = this.options.PureBarcode.Value;
}
if (this.options.PossibleFormats != null && this.options.PossibleFormats.Count > 0)
{
barcodeReader.PossibleFormats = this.options.PossibleFormats;
}
var result = barcodeReader.Decode(img.GetYuvData(), img.Width, img.Height, RGBLuminanceSource.BitmapFormat.Unknown);
lastPreviewAnalysis = DateTime.Now;
if (result == null || string.IsNullOrEmpty(result.Text))
{
return;
}
Android.Util.Log.Debug("ZXing.Mobile", "Barcode Found: " + result.Text);
ShutdownCamera();
activity.OnScan(result);
} catch (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;
}
}
/// <summary>
/// Decode the secret field
/// </summary>
private void DecodeSecretCode()
{
Uri uri;
Match match;
if (Regex.IsMatch(secretCodeField.Text, "https?://.*") &&
Uri.TryCreate(secretCodeField.Text, UriKind.Absolute, out uri))
{
try
{
var request = (HttpWebRequest)WebRequest.Create(uri);
request.AllowAutoRedirect = true;
request.Timeout = 20000;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)";
using (var response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusCode == HttpStatusCode.OK &&
response.ContentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
{
using (var bitmap = (Bitmap)Image.FromStream(response.GetResponseStream()))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null && string.IsNullOrEmpty(result.Text) == false)
{
secretCodeField.Text = HttpUtility.UrlDecode(result.Text);
}
}
}
}
}
catch (Exception ex)
{
WinAuthForm.ErrorDialog(Owner, "Cannot load QR code image from " + secretCodeField.Text, ex);
return;
}
}
match = Regex.Match(secretCodeField.Text, @"otpauth://([^/]+)/([^?]+)\?(.*)", RegexOptions.IgnoreCase);
if (match.Success)
{
var authtype = match.Groups[1].Value.ToLower();
var label = match.Groups[2].Value;
if (authtype == HOTP)
{
counterBasedRadio.Checked = true;
}
else if (authtype == TOTP)
{
timeBasedRadio.Checked = true;
counterField.Text = string.Empty;
}
var qs = WinAuthHelper.ParseQueryString(match.Groups[3].Value);
if (qs["counter"] != null)
{
long counter;
if (long.TryParse(qs["counter"], out counter))
{
counterField.Text = counter.ToString();
}
}
var issuer = qs["issuer"];
if (string.IsNullOrEmpty(issuer) == false)
{
label = issuer + (string.IsNullOrEmpty(label) == false ? " (" + label + ")" : string.Empty);
}
nameField.Text = label;
int period;
if (int.TryParse(qs["period"], out period) && period > 0)
{
intervalField.Text = period.ToString();
}
int digits;
if (int.TryParse(qs["digits"], out digits) && digits > 0)
{
digitsField.Text = digits.ToString();
}
Authenticator.HMACTypes hmac;
if (Enum.TryParse(qs["algorithm"], true, out hmac))
{
hashField.SelectedItem = hmac.ToString();
}
}
}
public bool Start(HostControl hostControl)
{
watcher.EnableRaisingEvents = true;
tokenSource = new CancellationTokenSource();
Task.Run(() =>
{
Match match;
Result result;
HashSet <string> listOfImages = new HashSet <string>();
int prevNumber = -1;
while (!tokenSource.IsCancellationRequested)
{
if (workToDo.Wait(Timeout))
{
workToDo.Reset();
match = validator.Match(eventArg.Name);
if (match.Success)
{
var imageNumber = int.Parse(match.Groups[1].Value);
if (prevNumber == -1 || imageNumber - prevNumber == 1)
{
try
{
Task.Delay(TimeSpan.FromMilliseconds(100)).Wait();
fileSynchronizer.Wait();
using (var imageStream = new FileStream(eventArg.FullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var image = new Bitmap(imageStream))
{
result = barcodeReader.Decode(image);
}
fileSynchronizer.Set();
prevNumber = imageNumber;
listOfImages.Add(eventArg.FullPath);
if (result != null)
{
InitTask(listOfImages);
prevNumber = -1;
}
}
catch (IOException ex) when(ex.Message.Contains("because it is being used by another process"))
{
Console.WriteLine(ex.Message);
}
}
else
{
InitTask(listOfImages);
prevNumber = imageNumber;
listOfImages.Add(eventArg.FullPath);
}
}
else
{
File.Delete(eventArg.FullPath);
}
}
else
{
if (listOfImages.Count > 0)
{
InitTask(listOfImages);
}
prevNumber = -1;
}
}
}, tokenSource.Token);
return(true);
}
/// <summary>
/// Verify and create the authenticator if needed
/// </summary>
/// <returns>true is successful</returns>
private bool verifyAuthenticator(string privatekey)
{
if (string.IsNullOrEmpty(privatekey))
{
return(false);
}
Authenticator.Name = nameField.Text;
var digits = Authenticator.AuthenticatorData != null
? Authenticator.AuthenticatorData.CodeDigits
: WinAuth.Authenticator.DEFAULT_CODE_DIGITS;
if (string.IsNullOrEmpty(digitsField.Text) || int.TryParse(digitsField.Text, out digits) == false ||
digits <= 0)
{
return(false);
}
var hmac = WinAuth.Authenticator.HMACTypes.SHA1;
Enum.TryParse((string)hashField.SelectedItem, out hmac);
var authtype = timeBasedRadio.Checked ? TOTP : HOTP;
var period = 0;
if (string.IsNullOrEmpty(intervalField.Text) || int.TryParse(intervalField.Text, out period) == false ||
period <= 0)
{
return(false);
}
long counter = 0;
// if this is a URL, pull it down
Uri uri;
Match match;
if (Regex.IsMatch(privatekey, "https?://.*") && Uri.TryCreate(privatekey, UriKind.Absolute, out uri))
{
try
{
var request = (HttpWebRequest)WebRequest.Create(uri);
request.AllowAutoRedirect = true;
request.Timeout = 20000;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)";
using (var response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusCode == HttpStatusCode.OK &&
response.ContentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
{
using (var bitmap = (Bitmap)Image.FromStream(response.GetResponseStream()))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = HttpUtility.UrlDecode(result.Text);
}
}
}
}
}
catch (Exception ex)
{
WinAuthForm.ErrorDialog(Owner, "Cannot load QR code image from " + privatekey, ex);
return(false);
}
}
else if ((match = Regex.Match(privatekey, @"data:image/([^;]+);base64,(.*)", RegexOptions.IgnoreCase))
.Success)
{
var imagedata = Convert.FromBase64String(match.Groups[2].Value);
using (var ms = new MemoryStream(imagedata))
{
using (var bitmap = (Bitmap)Image.FromStream(ms))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = HttpUtility.UrlDecode(result.Text);
}
}
}
}
else if (IsValidFile(privatekey))
{
// assume this is the image file
using (var bitmap = (Bitmap)Image.FromFile(privatekey))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = result.Text;
}
}
}
string issuer = null;
string serial = null;
// check for otpauth://, e.g. "otpauth://totp/[email protected]?secret=IHZJDKAEEC774BMUK3GX6SA"
match = Regex.Match(privatekey, @"otpauth://([^/]+)/([^?]+)\?(.*)", RegexOptions.IgnoreCase);
if (match.Success)
{
authtype = match.Groups[1].Value.ToLower();
var label = match.Groups[2].Value;
var p = label.IndexOf(":");
if (p != -1)
{
issuer = label.Substring(0, p);
label = label.Substring(p + 1);
}
var qs = WinAuthHelper.ParseQueryString(match.Groups[3].Value);
privatekey = qs["secret"] ?? privatekey;
int querydigits;
if (int.TryParse(qs["digits"], out querydigits) && querydigits != 0)
{
digits = querydigits;
}
if (qs["counter"] != null)
{
long.TryParse(qs["counter"], out counter);
}
issuer = qs["issuer"];
if (string.IsNullOrEmpty(issuer) == false)
{
label = issuer + (string.IsNullOrEmpty(label) == false ? " (" + label + ")" : string.Empty);
}
serial = qs["serial"];
if (string.IsNullOrEmpty(label) == false)
{
Authenticator.Name = nameField.Text = label;
}
var periods = qs["period"];
if (string.IsNullOrEmpty(periods) == false)
{
int.TryParse(periods, out period);
}
if (qs["algorithm"] != null)
{
if (Enum.TryParse(qs["algorithm"], true, out hmac))
{
hashField.SelectedItem = hmac.ToString();
}
}
}
// just get the hex chars
privatekey = Regex.Replace(privatekey, @"[^0-9a-z]", "", RegexOptions.IgnoreCase);
if (privatekey.Length == 0)
{
WinAuthForm.ErrorDialog(Owner, "The secret code is not valid");
return(false);
}
try
{
Authenticator auth;
if (authtype == TOTP)
{
if (string.Compare(issuer, "BattleNet", true) == 0)
{
if (string.IsNullOrEmpty(serial))
{
throw new ApplicationException("Battle.net Authenticator does not have a serial");
}
serial = serial.ToUpper();
if (Regex.IsMatch(serial, @"^[A-Z]{2}-?[\d]{4}-?[\d]{4}-?[\d]{4}$") == false)
{
throw new ApplicationException("Invalid serial for Battle.net Authenticator");
}
auth = new BattleNetAuthenticator();
((BattleNetAuthenticator)auth).SecretKey = Base32.getInstance().Decode(privatekey);
((BattleNetAuthenticator)auth).Serial = serial;
issuer = string.Empty;
}
else if (issuer == "Steam")
{
auth = new SteamAuthenticator();
((SteamAuthenticator)auth).SecretKey = Base32.getInstance().Decode(privatekey);
((SteamAuthenticator)auth).Serial = string.Empty;
((SteamAuthenticator)auth).DeviceId = string.Empty;
//((SteamAuthenticator)auth).RevocationCode = string.Empty;
((SteamAuthenticator)auth).SteamData = string.Empty;
Authenticator.Skin = null;
issuer = string.Empty;
}
else
{
auth = new GoogleAuthenticator();
((GoogleAuthenticator)auth).Enroll(privatekey);
}
timer.Enabled = true;
codeProgress.Visible = true;
timeBasedRadio.Checked = true;
}
else if (authtype == HOTP)
{
auth = new HOTPAuthenticator();
if (counterField.Text.Trim().Length != 0)
{
long.TryParse(counterField.Text.Trim(), out counter);
}
((HOTPAuthenticator)auth).Enroll(privatekey, counter); // start with the next code
timer.Enabled = false;
codeProgress.Visible = false;
counterBasedRadio.Checked = true;
}
else
{
WinAuthForm.ErrorDialog(Owner, "Only TOTP or HOTP authenticators are supported");
return(false);
}
auth.HMACType = hmac;
auth.CodeDigits = digits;
auth.Period = period;
Authenticator.AuthenticatorData = auth;
if (digits > 5)
{
codeField.SpaceOut = digits / 2;
}
else
{
codeField.SpaceOut = 0;
}
//string key = Base32.getInstance().Encode(this.Authenticator.AuthenticatorData.SecretKey);
codeField.Text = auth.CurrentCode;
codeProgress.Maximum = period;
if (!(auth is HOTPAuthenticator) && auth.ServerTimeDiff == 0L && SyncErrorWarned == false)
{
SyncErrorWarned = true;
MessageBox.Show(this, string.Format(strings.AuthenticatorSyncError, "Google"),
WinAuthMain.APPLICATION_TITLE, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
catch (Exception irre)
{
WinAuthForm.ErrorDialog(Owner,
"Unable to create the authenticator. The secret code is probably invalid.", irre);
return(false);
}
return(true);
}
private async Task MessageReceivedAsync(IDialogContext context, IAwaitable <IMessageActivity> result)
{
var message = await result;
var msg = context.MakeMessage();
msg.Type = ActivityTypes.Typing;
await context.PostAsync(msg);
var storageAccount = CloudStorageAccount.Parse(ConfigurationManager.AppSettings["AzureWebJobsStorage"]);
var tableClient = storageAccount.CreateCloudTableClient();
CloudTable eventTable = tableClient.GetTableReference("Event");
eventTable.CreateIfNotExists();
DateTime thisDay = DateTime.Today;
String today = FormatDate(thisDay.ToString("d"));
EventEntity eventEntity = null;
string codeEntered = "";
if (message.Attachments.FirstOrDefault() != null)
{
string destinationContainer = "qrcode";
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
var blobContainer = blobClient.GetContainerReference(destinationContainer);
blobContainer.CreateIfNotExists();
String newFileName = "";
var a = message.Attachments.FirstOrDefault();
try
{
using (HttpClient httpClient = new HttpClient())
{
var responseMessage = await httpClient.GetAsync(a.ContentUrl);
var contentLenghtBytes = responseMessage.Content.Headers.ContentLength;
var fileByte = await httpClient.GetByteArrayAsync(a.ContentUrl);
newFileName = context.UserData.GetValue <string>(ContextConstants.UserId) + "_" + DateTime.Now.ToString("MMddyyyy-hhmmss") + "_" + "qrcode";
var barcodeReader = new BarcodeReader();
var memoryStream = new MemoryStream(fileByte);
string sourceUrl = a.ContentUrl;
var barcodeBitmap = (Bitmap)Bitmap.FromStream(memoryStream);
var barcodeResult = barcodeReader.Decode(barcodeBitmap);
codeEntered = barcodeResult.Text;
eventEntity = GetEvent(barcodeResult.Text);
memoryStream.Close();
}
}
catch (Exception e)
{
Debug.WriteLine(e.ToString());
}
}
else
{
codeEntered = message.Text;
eventEntity = GetEvent(message.Text);
}
//Check database
if (eventEntity != null)
{
var eventName = eventEntity.EventName;
CloudTable attendanceTable = tableClient.GetTableReference("Attendance");
attendanceTable.CreateIfNotExists();
String filterA = TableQuery.GenerateFilterCondition("SurveyCode", QueryComparisons.Equal, eventEntity.SurveyCode);
String filterB = TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.Equal, context.UserData.GetValue <string>(ContextConstants.UserId));
String filterD = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, eventEntity.RowKey);
TableQuery <AttendanceEntity> query = new TableQuery <AttendanceEntity>().Where(TableQuery.CombineFilters(filterA, TableOperators.And, filterB));
TableQuery <AttendanceEntity> todayQuery = new TableQuery <AttendanceEntity>().Where(TableQuery.CombineFilters(TableQuery.CombineFilters(filterA, TableOperators.And, filterB), TableOperators.And, filterD));
var results = attendanceTable.ExecuteQuery(query);
var todayResults = attendanceTable.ExecuteQuery(todayQuery);
Boolean notDone = true;
//Survey Code
if (codeEntered == eventEntity.SurveyCode)
{
if (results != null)
{
foreach (AttendanceEntity a in results)
{
if (a.Survey == true)
{
notDone = false;
await context.PostAsync("You have already completed the survey for " + "'" + eventName + "'!");
await context.PostAsync(msg);
await context.PostAsync("Talk to me again if you require my assistance.");
context.Done(this);
}
}
if (notDone && !ValidPeriod(eventEntity.SurveyEndDate, eventEntity.SurveyEndTime, eventEntity.EventStartDate))
{
await context.PostAsync("Sorry, this code is not yet ready for use or have already expired!");
await context.PostAsync(msg);
await context.PostAsync("Talk to me again if you require my assistance.");
context.Done(this);
}
}
context.UserData.SetValue(ContextConstants.Status, "3");
context.UserData.SetValue(ContextConstants.Survey, eventEntity.Survey);
//Attendance Code 1
}
else if (codeEntered == eventEntity.AttendanceCode1)
{
if (todayResults != null)
{
foreach (AttendanceEntity a in todayResults)
{
if (a.Morning == true)
{
notDone = false;
await context.PostAsync("You have already registered this attendance for " + "'" + eventName + "'" + " today!");
await context.PostAsync(msg);
await context.PostAsync("Talk to me again if you require my assistance.");
context.Done(this);
}
}
if (notDone && !ValidTime(eventEntity.AttendanceCode1StartTime, eventEntity.AttendanceCode1EndTime, eventEntity.Day, eventEntity.EventStartDate, eventEntity.EventEndDate))
{
await context.PostAsync("Sorry, this code is not yet ready for use or have already expired!");
await context.PostAsync(msg);
await context.PostAsync("Talk to me again if you require my assistance.");
context.Done(this);
}
}
context.UserData.SetValue(ContextConstants.Status, "1");
}//Attendance code 2
else if (codeEntered == eventEntity.AttendanceCode2)
{
if (todayResults != null)
{
foreach (AttendanceEntity a in todayResults)
{
if (a.Afternoon == true)
{
notDone = false;
await context.PostAsync("You have already registered this attendance for " + "'" + eventName + "'" + " today!");
await context.PostAsync(msg);
await context.PostAsync("Talk to me again if you require my assistance.");
context.Done(this);
}
}
if (notDone && !ValidTime(eventEntity.AttendanceCode2StartTime, eventEntity.AttendanceCode2EndTime, eventEntity.Day, eventEntity.EventStartDate, eventEntity.EventEndDate))
{
await context.PostAsync("Sorry, this code is not yet ready for use or have already expired!");
await context.PostAsync(msg);
await context.PostAsync("Talk to me again if you require my assistance.");
context.Done(this);
}
}
context.UserData.SetValue(ContextConstants.Status, "2");
}
context.UserData.SetValue(ContextConstants.EventCode, eventEntity.RowKey);
context.UserData.SetValue(ContextConstants.SurveyCode, eventEntity.SurveyCode);
context.UserData.SetValue(ContextConstants.Anonymous, eventEntity.Anonymous);
context.UserData.SetValue(ContextConstants.EventName, eventName);
context.UserData.SetValue(ContextConstants.Today, today);
context.UserData.SetValue(ContextConstants.Description, eventEntity.Description);
context.Done(true);
}
else
{
await context.PostAsync("I'm sorry, I think you have keyed in the wrong workshop code or have sent an invalid QR Code, let's do this again.");
context.Wait(this.MessageReceivedAsync);
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Somewhere in your app, call the initialization code:
MobileBarcodeScanner.Initialize(Application);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
//Create a new instance of our Scanner
scanner = new MobileBarcodeScanner();
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.myButton);
button.Click += delegate
{
_imageView = FindViewById <ImageView>(Resource.Id.imageView1);
//BitmapFactory.Options options = new BitmapFactory.Options
//{
// InJustDecodeBounds = false
//};
//// The result will be null because InJustDecodeBounds == true.
//Bitmap bitmapToDisplay = await BitmapFactory.DecodeResourceAsync(Resources, Resource.Drawable.download1);
//_imageView.SetImageBitmap(bitmapToDisplay);
_imageView.SetImageBitmap(
decodeSampledBitmapFromResource(Resources, Resource.Drawable.qrcode, 375, 375));
};
Button buttonScan = FindViewById <Button>(Resource.Id.buttonScan);
//buttonScan.Click += async delegate {
//var scanner = new ZXing.Mobile.MobileBarcodeScanner();
//var result = await scanner.Scan();
//if (result != null)
// Console.WriteLine("Scanned Barcode: " + result.Text);
//};
buttonScan.Click += delegate
{
//var fullName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Images", "download.png");
String path = System.Environment.CurrentDirectory;
BitmapFactory.Options options = new BitmapFactory.Options
{
InPreferredConfig = Bitmap.Config.Argb8888
};
//BitmapFactory.Options options = new BitmapFactory.Options
//{
// InJustDecodeBounds = true
//};
// The result will be null because InJustDecodeBounds == true.
//Bitmap bitmap = await BitmapFactory.DecodeResourceAsync(Resources, Resource.Drawable.download1, options);
Bitmap bitmap = decodeSampledBitmapFromResource(Resources, Resource.Drawable.qrcode, 375, 375);
// var imageHeight = options.OutHeight;
//var imageWidth = options.OutWidth;
var imageHeight = (int)bitmap.GetBitmapInfo().Height;
var imageWidth = (int)bitmap.GetBitmapInfo().Width;
//using (var stream = new MemoryStream())
//{
// bitmap.Compress(Bitmap.CompressFormat.Png, 0, stream);
// bitmapData = stream.ToArray();
//}
int size = (int)bitmap.RowBytes * (int)bitmap.GetBitmapInfo().Height;
Java.Nio.ByteBuffer byteBuffer = Java.Nio.ByteBuffer.Allocate(size);
bitmap.CopyPixelsToBuffer(byteBuffer);
byte[] byteArray = new byte[byteBuffer.Remaining()];
var imageBytes = byteBuffer.Get(byteArray);
LuminanceSource source = new ZXing.RGBLuminanceSource(byteArray, (int)imageWidth, (int)imageHeight);
var barcodeReader = new BarcodeReader();
barcodeReader.Options.TryHarder = true;
//barcodeReader.Options.ReturnCodabarStartEnd = true;
//barcodeReader.Options.PureBarcode = true;
//barcodeReader.Options.PossibleFormats = new List<BarcodeFormat>();
//barcodeReader.Options.PossibleFormats.Add(BarcodeFormat.QR_CODE);
ZXing.Result result = barcodeReader.Decode(source);
var result2 = barcodeReader.DecodeMultiple(source);
ZXing.Result result3 = barcodeReader.Decode(byteArray, (int)imageWidth, (int)imageHeight, RGBLuminanceSource.BitmapFormat.RGB24);
ZXing.Result result4 = barcodeReader.Decode(source);
HybridBinarizer hb = new HybridBinarizer(source);
var a = hb.createBinarizer(source);
BinaryBitmap bBitmap = new BinaryBitmap(a);
MultiFormatReader reader1 = new MultiFormatReader();
var r = reader1.decodeWithState(bBitmap);
int[] intarray = new int[((int)imageHeight * (int)imageWidth)];
bitmap.GetPixels(intarray, 0, (int)bitmap.GetBitmapInfo().Width, 0, 0, (int)imageWidth, (int)imageHeight);
LuminanceSource source5 = new RGBLuminanceSource(byteArray, (int)imageWidth, (int)imageHeight);
BinaryBitmap bitmap3 = new BinaryBitmap(new HybridBinarizer(source));
ZXing.Reader reader = new DataMatrixReader();
//....doing the actually reading
ZXing.Result result10 = reader.decode(bitmap3);
//InputStream is = this.Resources.OpenRawResource(Resource.Id.imageView1);
//Bitmap originalBitmap = BitmapFactory.decodeStream(is);
//UIImage
//var barcodeBitmap = (Bitmap)Bitmap.FromFile(@"C:\Users\jeremy\Desktop\qrimage.bmp");
};
Button buttonScan2 = FindViewById <Button>(Resource.Id.buttonScan2);
buttonScan2.Click += async delegate
{
//Tell our scanner to activiyt use the default overlay
scanner.UseCustomOverlay = false;
//We can customize the top and bottom text of the default overlay
scanner.TopText = "Hold the camera up to the barcode\nAbout 6 inches away";
scanner.BottomText = "Wait for the barcode to automatically scan!";
//Start scanning
var result = await scanner.Scan();
// Handler for the result returned by the scanner.
HandleScanResult(result);
};
}
private void Decode(Bitmap image, bool tryMultipleBarcodes, IList <BarcodeFormat> possibleFormats)
{
resultPoints.Clear();
lastResults.Clear();
txtContent.Text = String.Empty;
var timerStart = DateTime.Now.Ticks;
Result[] results = null;
var previousFormats = barcodeReader.Options.PossibleFormats;
if (possibleFormats != null)
{
barcodeReader.Options.PossibleFormats = possibleFormats;
}
if (tryMultipleBarcodes)
{
results = barcodeReader.DecodeMultiple(image);
}
else
{
var result = barcodeReader.Decode(image);
if (result != null)
{
results = new[] { result };
}
}
var timerStop = DateTime.Now.Ticks;
barcodeReader.Options.PossibleFormats = previousFormats;
if (results == null)
{
txtContent.Text = "No barcode recognized";
}
labDuration.Text = new TimeSpan(timerStop - timerStart).ToString();
if (results != null)
{
foreach (var result in results)
{
if (result.ResultPoints.Length > 0)
{
var rect = new Rectangle((int)result.ResultPoints[0].X, (int)result.ResultPoints[0].Y, 1, 1);
foreach (var point in result.ResultPoints)
{
if (point.X < rect.Left)
{
rect = new Rectangle((int)point.X, rect.Y, rect.Width + rect.X - (int)point.X, rect.Height);
}
if (point.X > rect.Right)
{
rect = new Rectangle(rect.X, rect.Y, rect.Width + (int)point.X - rect.X, rect.Height);
}
if (point.Y < rect.Top)
{
rect = new Rectangle(rect.X, (int)point.Y, rect.Width, rect.Height + rect.Y - (int)point.Y);
}
if (point.Y > rect.Bottom)
{
rect = new Rectangle(rect.X, rect.Y, rect.Width, rect.Height + (int)point.Y - rect.Y);
}
}
using (var g = picBarcode.CreateGraphics())
{
g.DrawRectangle(Pens.Green, rect);
}
}
}
}
}
//scann the picture every x seconds
private async void Timer_Tick(object sender, object e)
{
timer.Stop();
textBlockSessionInfo.Text = "point @ QR code";
ImageEncodingProperties imgFormat = ImageEncodingProperties.CreateJpeg();
// create storage file in local app storage
StorageFile file = await ApplicationData.Current.LocalFolder.CreateFileAsync(
"temp.jpg",
CreationCollisionOption.GenerateUniqueName);
//await camera.AutoFocus();
// take photo
await camera.captureMgr.CapturePhotoToStorageFileAsync(imgFormat, file);
// Get photo as a BitmapImage
BitmapImage bmpImage = new BitmapImage(new Uri(file.Path));
bmpImage.CreateOptions = BitmapCreateOptions.IgnoreImageCache;
WriteableBitmap wrb;
ZXing.BarcodeReader br;
Result res;
using (IRandomAccessStream fileStream = await file.OpenAsync(FileAccessMode.Read))
{
wrb = await Windows.UI.Xaml.Media.Imaging.BitmapFactory.New(1, 1).FromStream(fileStream);
}
br = new BarcodeReader {
PossibleFormats = new BarcodeFormat[] { BarcodeFormat.QR_CODE }
};
br.AutoRotate = true;
br.Options.TryHarder = true;
res = br.Decode(wrb.ToByteArray(), wrb.PixelWidth, wrb.PixelWidth, RGBLuminanceSource.BitmapFormat.RGBA32);
if (res != null)
{
try
{
qrdata = Newtonsoft.Json.JsonConvert.DeserializeObject <QRCodeData>(res.Text);
textBoxSessionId.Text = qrdata.uuid;
textBlockSessionInfo.Text = qrdata.text;
textBlockSessionInfoExtra.Text = res.Text;
await camera.captureMgr.StopPreviewAsync();
capturePreview.Visibility = Visibility.Collapsed;
}
catch (Exception jsonEx)
{
textBoxSessionId.Text = "error " + jsonEx.Message;
timer.Start();
}
}
else
{
timer.Start();
}
}
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 BarcodeReader(null, null, null, (p, w, h, f) =>
new 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 <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, 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);
//扫描完成后，并不立即停止扫描，为了实现连续扫描的功能（注意这时扫描成功后，一定要手动停止扫描）
//ShutdownCamera ();
callback(result);
}
catch (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;
}
});
}
bool SetupCaptureSession()
{
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession()
{
SessionPreset = AVCaptureSession.Preset640x480
};
// create a device input and attach it to the session
// var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType (AVMediaType.Video);
AVCaptureDevice captureDevice = null;
var devices = AVCaptureDevice.DevicesWithMediaType(AVMediaType.Video);
foreach (var device in devices)
{
captureDevice = device;
if (options.UseFrontCameraIfAvailable.HasValue &&
options.UseFrontCameraIfAvailable.Value &&
device.Position == AVCaptureDevicePosition.Front)
{
break; //Front camera successfully set
}
else if (device.Position == AVCaptureDevicePosition.Back && (!options.UseFrontCameraIfAvailable.HasValue || !options.UseFrontCameraIfAvailable.Value))
{
break; //Back camera succesfully set
}
}
if (captureDevice == null)
{
Console.WriteLine("No captureDevice - this won't work on the simulator, try a physical device");
if (overlayView != null)
{
this.AddSubview(overlayView);
this.BringSubviewToFront(overlayView);
}
return(false);
}
var input = AVCaptureDeviceInput.FromDevice(captureDevice);
if (input == null)
{
Console.WriteLine("No input - this won't work on the simulator, try a physical device");
if (overlayView != null)
{
this.AddSubview(overlayView);
this.BringSubviewToFront(overlayView);
}
return(false);
}
else
{
session.AddInput(input);
}
previewLayer = new AVCaptureVideoPreviewLayer(session);
//Framerate set here (15 fps)
if (previewLayer.RespondsToSelector(new Selector("connection")))
{
previewLayer.Connection.VideoMinFrameDuration = new CMTime(1, 10);
}
previewLayer.LayerVideoGravity = AVLayerVideoGravity.ResizeAspectFill;
previewLayer.Frame = new RectangleF(0, 0, this.Frame.Width, this.Frame.Height);
previewLayer.Position = new PointF(this.Layer.Bounds.Width / 2, (this.Layer.Bounds.Height / 2));
layerView = new UIView(new RectangleF(0, 0, this.Frame.Width, this.Frame.Height));
layerView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
layerView.Layer.AddSublayer(previewLayer);
this.AddSubview(layerView);
ResizePreview(UIApplication.SharedApplication.StatusBarOrientation);
if (overlayView != null)
{
this.AddSubview(overlayView);
this.BringSubviewToFront(overlayView);
//overlayView.LayoutSubviews ();
}
session.StartRunning();
Console.WriteLine("RUNNING!!!");
// create a VideoDataOutput and add it to the sesion
output = new AVCaptureVideoDataOutput()
{
//videoSettings
VideoSettings = new AVVideoSettings(CVPixelFormatType.CV32BGRA),
};
// configure the output
queue = new MonoTouch.CoreFoundation.DispatchQueue("ZxingScannerView"); // (Guid.NewGuid().ToString());
var barcodeReader = new BarcodeReader(null, (img) =>
{
var src = new RGBLuminanceSource(img); //, bmp.Width, bmp.Height);
//Don't try and rotate properly if we're autorotating anyway
if (ScanningOptions.AutoRotate.HasValue && ScanningOptions.AutoRotate.Value)
{
return(src);
}
var tmpInterfaceOrientation = UIInterfaceOrientation.Portrait;
InvokeOnMainThread(() => tmpInterfaceOrientation = UIApplication.SharedApplication.StatusBarOrientation);
switch (tmpInterfaceOrientation)
{
case UIInterfaceOrientation.Portrait:
return(src.rotateCounterClockwise().rotateCounterClockwise().rotateCounterClockwise());
case UIInterfaceOrientation.PortraitUpsideDown:
return(src.rotateCounterClockwise().rotateCounterClockwise().rotateCounterClockwise());
case UIInterfaceOrientation.LandscapeLeft:
return(src);
case UIInterfaceOrientation.LandscapeRight:
return(src);
}
return(src);
}, null, null); //(p, w, h, f) => new RGBLuminanceSource(p, w, h, RGBLuminanceSource.BitmapFormat.Unknown));
if (ScanningOptions.TryHarder.HasValue)
{
Console.WriteLine("TRY_HARDER: " + ScanningOptions.TryHarder.Value);
barcodeReader.Options.TryHarder = ScanningOptions.TryHarder.Value;
}
if (ScanningOptions.PureBarcode.HasValue)
{
barcodeReader.Options.PureBarcode = ScanningOptions.PureBarcode.Value;
}
if (ScanningOptions.AutoRotate.HasValue)
{
Console.WriteLine("AUTO_ROTATE: " + ScanningOptions.AutoRotate.Value);
barcodeReader.AutoRotate = ScanningOptions.AutoRotate.Value;
}
if (!string.IsNullOrEmpty(ScanningOptions.CharacterSet))
{
barcodeReader.Options.CharacterSet = ScanningOptions.CharacterSet;
}
if (ScanningOptions.TryInverted.HasValue)
{
barcodeReader.TryInverted = ScanningOptions.TryInverted.Value;
}
if (ScanningOptions.PossibleFormats != null && ScanningOptions.PossibleFormats.Count > 0)
{
barcodeReader.Options.PossibleFormats = new List <BarcodeFormat>();
foreach (var pf in ScanningOptions.PossibleFormats)
{
barcodeReader.Options.PossibleFormats.Add(pf);
}
}
outputRecorder = new OutputRecorder(ScanningOptions, img =>
{
if (!IsAnalyzing)
{
return;
}
try
{
var started = DateTime.Now;
var rs = barcodeReader.Decode(img);
var total = DateTime.Now - started;
Console.WriteLine("Decode Time: " + total.TotalMilliseconds + " ms");
if (rs != null)
{
resultCallback(rs);
}
}
catch (Exception ex)
{
Console.WriteLine("DECODE FAILED: " + ex);
}
});
output.AlwaysDiscardsLateVideoFrames = true;
output.SetSampleBufferDelegate(outputRecorder, queue);
Console.WriteLine("SetupCamera Finished");
session.AddOutput(output);
//session.StartRunning ();
if (captureDevice.IsFocusModeSupported(AVCaptureFocusMode.ModeContinuousAutoFocus))
{
NSError err = null;
if (captureDevice.LockForConfiguration(out err))
{
captureDevice.FocusMode = AVCaptureFocusMode.ModeContinuousAutoFocus;
if (captureDevice.FocusPointOfInterestSupported)
{
captureDevice.FocusPointOfInterest = new PointF(0.5f, 0.5f);
}
captureDevice.UnlockForConfiguration();
}
else
{
Console.WriteLine("Failed to Lock for Config: " + err.Description);
}
}
return(true);
}
///<summary>
///解码
///</summary>
///<paramname="pictureBox1"></param>
public void Decode(PictureBox pictureBox1)
{
BarcodeReader reader = new BarcodeReader();
Result result = reader.Decode((Bitmap)pictureBox1.Image);
}
/// <summary>
/// 解析二维码图片
/// </summary>
/// <param name="writeableBmp">图片</param>
/// <returns></returns>
private async Task ScanBitmap(WriteableBitmap writeableBmp)
{
try
{
var barcodeReader = new BarcodeReader
{
AutoRotate = true,
Options = new ZXing.Common.DecodingOptions {
TryHarder = true
}
};
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
_result = barcodeReader.Decode(writeableBmp);
});
if (_result != null)
{
Debug.WriteLine(@"[INFO]扫描到二维码:{result} ->" + _result.Text);
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
string ban = Regex.Match(_result.Text, @"^http://bangumi.bilibili.com/anime/(.*?)$").Groups[1].Value;
if (ban.Length != 0)
{
//args.Handled = true;
MessageCenter.SendNavigateTo(NavigateMode.Info, typeof(BanInfoPage), ban.Replace("/", ""));
this.Frame.GoBack();
return;
}
string ban2 = Regex.Match(_result.Text, @"^http://www.bilibili.com/bangumi/i/(.*?)$").Groups[1].Value;
if (ban2.Length != 0)
{
//args.Handled = true;
MessageCenter.SendNavigateTo(NavigateMode.Info, typeof(BanInfoPage), ban2.Replace("/", ""));
this.Frame.GoBack();
// this.Frame.Navigate(typeof(BanInfoPage), ban2.Replace("/", ""));
return;
}
//bilibili://?av=4284663
string ban3 = Regex.Match(_result.Text, @"^bilibili://?av=(.*?)$").Groups[1].Value;
if (ban3.Length != 0)
{
//args.Handled = true;
MessageCenter.SendNavigateTo(NavigateMode.Info, typeof(VideoViewPage), ban3.Replace("/", ""));
this.Frame.GoBack();
//this.Frame.Navigate(typeof(VideoViewPage), ban3.Replace("/", ""));
return;
}
string ban4 = Regex.Match(_result.Text + "/", @"space.bilibili.com/(.*?)/").Groups[1].Value;
if (ban4.Length != 0)
{
//args.Handled = true;
MessageCenter.SendNavigateTo(NavigateMode.Info, typeof(UserInfoPage), ban4.Replace("/", ""));
this.Frame.GoBack();
//this.Frame.Navigate(typeof(VideoViewPage), ban3.Replace("/", ""));
return;
}
string ban5 = Regex.Match(_result.Text + "/", @"oauthKey=(.*?)/").Groups[1].Value;
if (ban5.Length != 0)
{
MessageCenter.SendNavigateTo(NavigateMode.Info, typeof(WebPage), "https://passport.bilibili.com/qrcode/h5/login?oauthKey=" + ban5.Replace("/", ""));
this.Frame.GoBack();
//if (!ApiHelper.IsLogin())
//{
// await new MessageDialog("手机需先登录！").ShowAsync();
// return;
//}
////args.Handled = true;
//pr_Laod.Visibility = Visibility.Visible;
//LoginStatus dts = await ApiHelper.QRLogin(ban5.Replace("/", ""));
//if (dts==LoginStatus.Succeed)
//{
// this.Frame.GoBack();
//}
//else
//{
// await new MessageDialog("登录失败").ShowAsync();
//}
//pr_Laod.Visibility = Visibility.Collapsed;
//MessageCenter.SendNavigateTo(NavigateMode.Play, typeof(UserInfoPage), ban5.Replace("/", ""));
//this.Frame.Navigate(typeof(VideoViewPage), ban3.Replace("/", ""));
return;
}
//text .Text= args.Uri.AbsoluteUri;
string live = Regex.Match(_result.Text, @"^bilibili://live/(.*?)$").Groups[1].Value;
if (live.Length != 0)
{
MessageCenter.SendNavigateTo(NavigateMode.Play, typeof(LiveRoomPage), live);
return;
}
string live2 = Regex.Match(_result.Text + "a", @"live.bilibili.com/(.*?)a").Groups[1].Value;
if (live2.Length != 0)
{
MessageCenter.SendNavigateTo(NavigateMode.Play, typeof(LiveRoomPage), live2.Replace("a", ""));
return;
}
if (Regex.IsMatch(_result.Text, "/video/av(.*)?[/|+](.*)?"))
{
string a = Regex.Match(_result.Text, "/video/av(.*)?[/|+](.*)?").Groups[1].Value;
//this.Frame.Navigate(typeof(VideoViewPage), a);
MessageCenter.SendNavigateTo(NavigateMode.Info, typeof(VideoViewPage), a);
this.Frame.GoBack();
return;
}
tbkResult.Text = "无法识别的类型";
});
}
}
catch (Exception)
{
}
}
bool SetupCaptureSession ()
{
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession () {
SessionPreset = AVCaptureSession.Preset640x480
};
// create a device input and attach it to the session
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType (AVMediaType.Video);
if (captureDevice == null){
Console.WriteLine ("No captureDevice - this won't work on the simulator, try a physical device");
return false;
}
var input = AVCaptureDeviceInput.FromDevice (captureDevice);
if (input == null){
Console.WriteLine ("No input - this won't work on the simulator, try a physical device");
return false;
}
else
session.AddInput (input);
previewLayer = new AVCaptureVideoPreviewLayer(session);
//Framerate set here (15 fps)
if (previewLayer.RespondsToSelector(new Selector("connection")))
previewLayer.Connection.VideoMinFrameDuration = new CMTime(1, 10);
previewLayer.LayerVideoGravity = AVLayerVideoGravity.ResizeAspectFill;
previewLayer.Frame = this.Frame;
previewLayer.Position = new PointF(this.Layer.Bounds.Width / 2, (this.Layer.Bounds.Height / 2));
layerView = new UIView(this.Frame);
layerView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
layerView.Layer.AddSublayer(previewLayer);
this.AddSubview(layerView);
ResizePreview(UIApplication.SharedApplication.StatusBarOrientation);
if (overlayView != null)
{
this.AddSubview (overlayView);
this.BringSubviewToFront (overlayView);
//overlayView.LayoutSubviews ();
}
session.StartRunning ();
Console.WriteLine ("RUNNING!!!");
// create a VideoDataOutput and add it to the sesion
output = new AVCaptureVideoDataOutput () {
//videoSettings
VideoSettings = new AVVideoSettings (CVPixelFormatType.CV32BGRA),
};
// configure the output
queue = new MonoTouch.CoreFoundation.DispatchQueue("ZxingScannerView"); // (Guid.NewGuid().ToString());
var barcodeReader = new BarcodeReader(null, (img) =>
{
var src = new RGBLuminanceSource(img); //, bmp.Width, bmp.Height);
//Don't try and rotate properly if we're autorotating anyway
if (options.AutoRotate.HasValue && options.AutoRotate.Value)
return src;
switch (UIDevice.CurrentDevice.Orientation)
{
case UIDeviceOrientation.Portrait:
return src.rotateCounterClockwise().rotateCounterClockwise().rotateCounterClockwise();
case UIDeviceOrientation.PortraitUpsideDown:
return src.rotateCounterClockwise().rotateCounterClockwise().rotateCounterClockwise();
case UIDeviceOrientation.LandscapeLeft:
return src;
case UIDeviceOrientation.LandscapeRight:
return src;
}
return src;
}, null, null); //(p, w, h, f) => new RGBLuminanceSource(p, w, h, RGBLuminanceSource.BitmapFormat.Unknown));
if (this.options.TryHarder.HasValue)
{
Console.WriteLine("TRY_HARDER: " + this.options.TryHarder.Value);
barcodeReader.Options.TryHarder = this.options.TryHarder.Value;
}
if (this.options.PureBarcode.HasValue)
barcodeReader.Options.PureBarcode = this.options.PureBarcode.Value;
if (this.options.AutoRotate.HasValue)
{
Console.WriteLine("AUTO_ROTATE: " + this.options.AutoRotate.Value);
barcodeReader.AutoRotate = this.options.AutoRotate.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<BarcodeFormat>();
foreach (var pf in this.options.PossibleFormats)
barcodeReader.Options.PossibleFormats.Add(pf);
}
outputRecorder = new OutputRecorder (this.options, img =>
{
try
{
var started = DateTime.Now;
var rs = barcodeReader.Decode(img);
var total = DateTime.Now - started;
Console.WriteLine("Decode Time: " + total.TotalMilliseconds + " ms");
if (rs != null)
resultCallback(rs);
}
catch (Exception ex)
{
Console.WriteLine("DECODE FAILED: " + ex);
}
});
output.AlwaysDiscardsLateVideoFrames = true;
output.SetSampleBufferDelegate (outputRecorder, queue);
Console.WriteLine("SetupCamera Finished");
session.AddOutput (output);
//session.StartRunning ();
if (captureDevice.IsFocusModeSupported(AVCaptureFocusMode.ModeContinuousAutoFocus))
{
NSError err = null;
if (captureDevice.LockForConfiguration(out err))
{
captureDevice.FocusMode = AVCaptureFocusMode.ModeContinuousAutoFocus;
if (captureDevice.FocusPointOfInterestSupported)
captureDevice.FocusPointOfInterest = new PointF(0.5f, 0.5f);
captureDevice.UnlockForConfiguration();
}
else
Console.WriteLine("Failed to Lock for Config: " + err.Description);
}
return true;
}
/// <summary>
/// Verify and create the authenticator if needed
/// </summary>
/// <returns>true is successful</returns>
private bool verifyAuthenticator(string privatekey)
{
if (string.IsNullOrEmpty(privatekey))
{
return(false);
}
Authenticator.Name = nameField.Text;
var authtype = "totp";
// if this is a URL, pull it down
Uri uri;
Match match;
if (Regex.IsMatch(privatekey, "https?://.*") && Uri.TryCreate(privatekey, UriKind.Absolute, out uri))
{
try
{
var request = (HttpWebRequest)WebRequest.Create(uri);
request.AllowAutoRedirect = true;
request.Timeout = 20000;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)";
using (var response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusCode == HttpStatusCode.OK &&
response.ContentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
{
using (var bitmap = (Bitmap)Image.FromStream(response.GetResponseStream()))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = HttpUtility.UrlDecode(result.Text);
}
}
}
}
}
catch (Exception ex)
{
WinAuthForm.ErrorDialog(Owner, "Cannot load QR code image from " + privatekey, ex);
return(false);
}
}
else if ((match = Regex.Match(privatekey, @"data:image/([^;]+);base64,(.*)", RegexOptions.IgnoreCase))
.Success)
{
var imagedata = Convert.FromBase64String(match.Groups[2].Value);
using (var ms = new MemoryStream(imagedata))
{
using (var bitmap = (Bitmap)Image.FromStream(ms))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = HttpUtility.UrlDecode(result.Text);
}
}
}
}
else if (IsValidFile(privatekey))
{
// assume this is the image file
using (var bitmap = (Bitmap)Image.FromFile(privatekey))
{
IBarcodeReader reader = new BarcodeReader();
var result = reader.Decode(bitmap);
if (result != null)
{
privatekey = result.Text;
}
}
}
// check for otpauth://, e.g. "otpauth://totp/[email protected]?secret=IHZJDKAEEC774BMUK3GX6SA"
match = Regex.Match(privatekey, @"otpauth://([^/]+)/([^?]+)\?(.*)", RegexOptions.IgnoreCase);
if (match.Success)
{
authtype = match.Groups[1].Value; // @todo we only handle totp (not hotp)
if (string.Compare(authtype, "totp", true) != 0)
{
WinAuthForm.ErrorDialog(Owner,
"Only time-based (TOTP) authenticators are supported when adding a Google Authenticator. Use the general \"Add Authenticator\" for counter-based (HOTP) authenticators.");
return(false);
}
var label = match.Groups[2].Value;
if (string.IsNullOrEmpty(label) == false)
{
Authenticator.Name = nameField.Text = label;
}
var qs = WinAuthHelper.ParseQueryString(match.Groups[3].Value);
privatekey = qs["secret"] ?? privatekey;
}
// just get the hex chars
privatekey = Regex.Replace(privatekey, @"[^0-9a-z]", "", RegexOptions.IgnoreCase);
if (privatekey.Length == 0)
{
WinAuthForm.ErrorDialog(Owner, "The secret code is not valid");
return(false);
}
try
{
var authenticator = new MicrosoftAuthenticator();
authenticator.Enroll(privatekey);
Authenticator.AuthenticatorData = authenticator;
Authenticator.Name = nameField.Text;
codeField.Text = authenticator.CurrentCode;
newAuthenticatorProgress.Visible = true;
newAuthenticatorTimer.Enabled = true;
}
catch (Exception ex)
{
WinAuthForm.ErrorDialog(Owner, "Unable to create the authenticator: " + ex.Message, ex);
return(false);
}
return(true);
}
public void test_Random_Encoding_Decoding_Cycles_Up_To_1000()
{
int bigEnough = 256;
byte[] data = new byte[256];
Random random = new Random(2344);
for (int i = 0; i < 1000; i++)
{
random.NextBytes(data);
//string content = "U/QcYPdz4MTR2nD2+vv88mZVnLA9/h+EGrEu3mwRIP65DlM6vLwlAwv/Ztd5LkHsio3UEJ29C1XUl0ZGRAFYv7pxPeyowjWqL5ilPZhICutvQlTePBBg+wP+ZiR2378Jp6YcB/FVRMdXKuAEGM29i41a1gKseYKpEEHpqlwRNE/Zm5bxKwL5Gv2NhxIvXOM1QNqWGwm9XC0jcvawbJprRfaRK3w3y2CKYbwEH/FwerRds2mBehhFHD5ozbgLSa1iIkIbnjBn/XV6DLpNuD08s/hCUrgx6crdSw89z/2nfxcOov2vVNuE9rbzB25e+GQBLBq/yfb1MTh3PlMhKS530w==";
string content = Convert.ToBase64String(data);
BarcodeWriter writer = new BarcodeWriter
{
Format = BarcodeFormat.QR_CODE,
Options = new EncodingOptions
{
Height = bigEnough,
Width = bigEnough
}
};
Bitmap bmp = writer.Write(content);
var reader = new BarcodeReader
{
Options = new DecodingOptions
{
PureBarcode = true,
PossibleFormats = new List<BarcodeFormat> {BarcodeFormat.QR_CODE}
}
};
var decodedResult = reader.Decode(bmp);
Assert.IsNotNull(decodedResult);
Assert.AreEqual(content, decodedResult.Text);
}
}
private void timer_Tick(object sender, EventArgs e)
{
BarcodeReader Reader = new BarcodeReader();
Result result = Reader.Decode((Bitmap)pb_ScanQR.Image);
try
{
decoded = result.ToString().Trim();
if (decoded != "")
{
timer.Stop();
MessageBox.Show("Success");
if (gikan == "book")
{
Book bk = new Book(decoded);
bk.Show();
this.Close();
}
else if (gikan == "index-borrow")
{
Borrow br = new Borrow(decoded, "");
br.Show();
this.Close();
}
else if (gikan == "borrowform")
{
Borrow br = new Borrow(Z, decoded);
br.Show();
this.Close();
}
else if (gikan == "return")
{
//Return r = new Return(decoded);
//r.Show();
//this.Close();
}
else if (gikan == "borrower_bk")
{
Borrower br = new Borrower(decoded, "borrower_bk");
br.Show();
this.Close();
}
else if (gikan == "borrower_brwr")
{
Borrower br = new Borrower(decoded, "borrower_brwr");
br.Show();
this.Close();
}
else if (gikan == "userinfo")
{
UserInformation ui = new UserInformation(decoded);
ui.Show();
this.Close();
}
else if (gikan == "inactiveusers")
{
UnapprovedAccounts ua = new UnapprovedAccounts(decoded);
ua.Show();
this.Close();
}
else if (gikan == "attendance")
{
AttendanceMonitoring am = new AttendanceMonitoring(decoded);
am.Show();
this.Close();
}
else
{
MessageBox.Show("Invalid Destination");
}
}
}
catch (Exception ex)
{
}
}
