/**
* Updates the face instance from the detection of the most recent frame. Invalidates the
* relevant portions of the overlay to trigger a redraw.
*/
public void UpdateBarcode(Android.Gms.Vision.Barcodes.Barcode barcode)
{
Console.WriteLine("Barcode Format: {0}", barcode.Format);
Console.WriteLine("Value Format: {0}", barcode.ValueFormat);
_barcode = barcode;
PostInvalidate();
}
/**
* Draws the face annotations for position on the supplied canvas.
*/
public override void Draw(Canvas canvas)
{
Android.Gms.Vision.Barcodes.Barcode barcode = _barcode;
if (barcode == null)
{
return;
}
var rect = new Rect(barcode.BoundingBox);
rect.Left = (int)TranslateX(rect.Left);
rect.Top = (int)TranslateY(rect.Top);
rect.Right = (int)TranslateX(rect.Right);
rect.Bottom = (int)TranslateY(rect.Bottom);
canvas.DrawRect(rect, _boxPaint);
canvas.DrawText(barcode.DisplayValue, rect.Left + IdXOffset, rect.Bottom + IdYOffset, _idPaint);
}
void Detector.IProcessor.ReceiveDetections(Detector.Detections detections)
{
Rectangle formsBounds;
Rectangle scanRectangle;
Rectangle barcodeRectangle;
if (detections.DetectedItems.Size() < 1 || !this.isScanning)
{
return;
}
try
{
this.isScanning = false;
List <BarcodeResult> barcodeResults = new List <BarcodeResult>();
for (int i = 0; i < detections.DetectedItems.Size(); i++)
{
Android.Gms.Vision.Barcodes.Barcode barcode = (detections.DetectedItems.ValueAt(i) as Android.Gms.Vision.Barcodes.Barcode);
formsBounds = Xamarin.Forms.Application.Current.MainPage.Bounds;
//10~90;
//30~60;
//barcode.BoundingBox.Width() * 0.1; X
//barcode.BoundingBox.Width() * 0.8; Width
//barcode.BoundingBox.Height() * 0.3; Y
//barcode.BoundingBox.Height() * 0.3; Height
//int a = this.cameraSource.PreviewSize.Width;
//int b = this.cameraSource.PreviewSize.Height;
if (formsBounds.Height > formsBounds.Width)
{
scanRectangle = new Rectangle(this.cameraSource.PreviewSize.Height * 0.1, this.cameraSource.PreviewSize.Width * 0.3
, this.cameraSource.PreviewSize.Height * 0.8, this.cameraSource.PreviewSize.Width * 0.3);
}
else
{
scanRectangle = new Rectangle(this.cameraSource.PreviewSize.Width * 0.1, this.cameraSource.PreviewSize.Height * 0.3
, this.cameraSource.PreviewSize.Width * 0.8, this.cameraSource.PreviewSize.Height * 0.3);
}
barcodeRectangle = new Rectangle(barcode.BoundingBox.Left, barcode.BoundingBox.Top, barcode.BoundingBox.Width(), barcode.BoundingBox.Height());
if (scanRectangle.Contains(barcodeRectangle))
{
barcodeResults.Add(this.BarcodeResultConvert(barcode));
}
}
if (barcodeResults.Count > 0)
{
OnDetected?.Invoke(barcodeResults);
vibrator.Vibrate(1000);
Thread.Sleep(3000);
}
}
catch (Exception ex)
{
Console.WriteLine("BarCodeDetectorProcessor Exception : {0}", ex.ToString());
}
finally
{
this.isScanning = true;
}
}
private BarcodeResult BarcodeResultConvert(Android.Gms.Vision.Barcodes.Barcode barcode)
{
return(new BarcodeResult
{
Rectangle = new Rectangle(barcode.BoundingBox.Left, barcode.BoundingBox.Top, barcode.BoundingBox.Width(), barcode.BoundingBox.Height())
,
WiFi = barcode.Wifi == null ? null : new WiFi()
{
EncryptionType = barcode.Wifi.EncryptionType
,
Password = barcode.Wifi.Password
,
Ssid = barcode.Wifi.Ssid
}
,
SmsValue = barcode.Sms == null ? null : new SmsValue()
{
Message = barcode.Sms.Message
,
PhoneNumber = barcode.Sms.PhoneNumber
}
,
RawValue = barcode.RawValue
,
PhoneValue = barcode.Phone == null ? null : new PhoneValue()
{
Number = barcode.Phone.Number
,
Type = barcode.Phone.Type
}
,
GeoPointValue = barcode.GeoPoint == null ? null :
new GeoPointValue()
{
Lat = barcode.GeoPoint.Lat
,
Lng = barcode.GeoPoint.Lng
},
EmailValue = barcode.Email == null ? null :
new EmailValue()
{
Address = barcode.Email.Address
,
Body = barcode.Email.Body
,
Subject = barcode.Email.Subject
,
Type = barcode.Email.Type
},
UrlBookmark = barcode.Url == null ? null :
new UrlBookmark()
{
Title = barcode.Url.Title
,
Url = barcode.Url.Url
},
DisplayValue = barcode.DisplayValue,
CornerPoints = barcode.CornerPoints == null ? null :
this.PointConvert(barcode.CornerPoints),
ContactInfoValue = barcode.ContactInfo == null ? null :
new ContactInfoValue()
{
Addresses = this.AddressConvert(barcode.ContactInfo.Addresses)
,
Emails = this.EmailsConvert(barcode.ContactInfo.Emails)
,
PersonName = new PersonName()
{
First = barcode.ContactInfo.Name.First
,
FormattedName = barcode.ContactInfo.Name.FormattedName
,
Last = barcode.ContactInfo.Name.Last
,
Middle = barcode.ContactInfo.Name.Middle
,
Prefix = barcode.ContactInfo.Name.Prefix
,
Pronunciation = barcode.ContactInfo.Name.Pronunciation
,
Suffix = barcode.ContactInfo.Name.Suffix
}
,
Organization = barcode.ContactInfo.Organization
,
PhoneValues = this.PhoneValuesConvert(barcode.ContactInfo.Phones)
,
Title = barcode.ContactInfo.Title
,
Urls = barcode.ContactInfo.Urls
},
CalendarEventValue = barcode.CalendarEvent == null ? null :
new CalendarEventValue()
{
Description = barcode.CalendarEvent.Description
,
End = new CalendarDateTime()
{
Day = barcode.CalendarEvent.End.Day
,
Hours = barcode.CalendarEvent.End.Hours
,
IsUtc = barcode.CalendarEvent.End.IsUtc
,
Minutes = barcode.CalendarEvent.End.Minutes
,
Month = barcode.CalendarEvent.End.Month
,
RawValue = barcode.CalendarEvent.End.RawValue
,
Seconds = barcode.CalendarEvent.End.Seconds
,
Year = barcode.CalendarEvent.End.Year
}
,
Location = barcode.CalendarEvent.Location
,
Organizer = barcode.CalendarEvent.Organizer
,
Start = new CalendarDateTime()
{
Day = barcode.CalendarEvent.Start.Day
,
Hours = barcode.CalendarEvent.Start.Hours
,
IsUtc = barcode.CalendarEvent.Start.IsUtc
,
Minutes = barcode.CalendarEvent.Start.Minutes
,
Month = barcode.CalendarEvent.Start.Month
,
RawValue = barcode.CalendarEvent.Start.RawValue
,
Seconds = barcode.CalendarEvent.Start.Seconds
,
Year = barcode.CalendarEvent.Start.Year
}
,
Status = barcode.CalendarEvent.Status
,
Summary = barcode.CalendarEvent.Summary
},
BarcodeFormat = (BarcodeFormat)Enum.Parse(typeof(BarcodeFormat), barcode.Format.ToString()),
BarcodeValueFormat = (BarcodeValueFormat)Enum.Parse(typeof(BarcodeValueFormat), barcode.ValueFormat.ToString()),
DriverLicenseValue = barcode.DriverLicense == null ? null :
new DriverLicenseValue()
{
AddressCity = barcode.DriverLicense.AddressCity
,
AddressState = barcode.DriverLicense.AddressState
,
AddressStreet = barcode.DriverLicense.AddressStreet
,
AddressZip = barcode.DriverLicense.AddressZip
,
BirthDate = barcode.DriverLicense.BirthDate
,
DocumentType = barcode.DriverLicense.DocumentType
,
ExpiryDate = barcode.DriverLicense.ExpiryDate
,
FirstName = barcode.DriverLicense.FirstName
,
Gender = barcode.DriverLicense.Gender
,
IssueDate = barcode.DriverLicense.IssueDate
,
IssuingCountry = barcode.DriverLicense.IssuingCountry
,
LastName = barcode.DriverLicense.LastName
,
LicenseNumber = barcode.DriverLicense.LicenseNumber
,
MiddleName = barcode.DriverLicense.MiddleName
},
});
}