/*
* Called if a full result is found. A full result is considered to be a successful preview, folloewd by a successful full scan.
*/
void IAnylineDocumentModuleDelegate.HasResult(AnylineDocumentModuleView anylineDocumentModuleView, UIImage transformedImage, UIImage fullFrame, ALSquare corners)
{
if (_disposing)
{
return;
}
if (_scanView == null)
{
return;
}
//we'll go to a temporary new view controller, so we keep this one alive
_keepScanViewControllerAlive = true;
_resultImage = transformedImage;
using (var vc = new UIViewController())
{
var iv = new UIImageView(_scanView.Frame)
{
Image = _resultImage,
ContentMode = UIViewContentMode.ScaleAspectFit
};
vc.View.AddSubview(iv);
NavigationController?.PushViewController(vc, true);
}
fullFrame?.Dispose();
transformedImage?.Dispose();
}
/*
* This method is called when a result has been found. We'll show the transformed image on a new viewController.
*/
void IAnylineDocumentModuleDelegate.HasResult(AnylineDocumentModuleView anylineDocumentModuleView, UIImage transformedImage, UIImage fullFrame)
{
//we'll go to a temporary new view controller, so we keep this one alive
keepScanViewControllerAlive = true;
this.resultImage = transformedImage;
using (UIViewController vc = new UIViewController())
{
UIImageView iv = new UIImageView(scanView.Frame);
iv.Image = resultImage;
iv.ContentMode = UIViewContentMode.ScaleAspectFit;
vc.View.AddSubview(iv);
this.NavigationController.PushViewController(vc, true);
}
if (fullFrame != null)
{
fullFrame.Dispose();
}
if (transformedImage != null)
{
transformedImage.Dispose();
}
fullFrame = null;
transformedImage = null;
}
public override void ViewDidDisappear(bool animated)
{
base.ViewDidDisappear(animated);
//don't clean up objects, if we want the controller to be kept alive
if (keepScanViewControllerAlive)
{
return;
}
//remove notification view
if (notificationView != null)
{
notificationView.RemoveFromSuperview();
notificationView.Dispose();
notificationView = null;
}
//remove image
if (resultImage != null)
{
resultImage.Dispose();
resultImage = null;
}
//we have to erase the scan view so that there are no dependencies for the viewcontroller left.
scanView.RemoveFromSuperview();
scanView.Dispose();
scanView = null;
base.Dispose();
}
new void Dispose()
{
//un-register any event handlers here, if you have any
//we have to erase the scan view so that there are no dependencies for the viewcontroller left.
_scanView?.RemoveFromSuperview();
_scanView?.Dispose();
_scanView = null;
_resultImage?.Dispose();
_resultImage = null;
GC.Collect(GC.MaxGeneration);
base.Dispose();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Initializing the Bottlecap scan module.
CGRect frame = UIScreen.MainScreen.ApplicationFrame;
frame = new CGRect(frame.X,
frame.Y + NavigationController.NavigationBar.Frame.Size.Height,
frame.Width,
frame.Height - NavigationController.NavigationBar.Frame.Size.Height);
_scanView = new AnylineDocumentModuleView(frame);
// We tell the module to bootstrap itself with the license key and delegate. The delegate will later get called
// by the module once we start receiving results.
_error = null;
_success = _scanView.SetupWithLicenseKey(_licenseKey, Self, out _error);
// SetupWithLicenseKey:delegate:error returns true if everything went fine. In the case something wrong
// we have to check the error object for the error message.
if (!_success)
{
// Something went wrong. The error object contains the error description
(_alert = new UIAlertView("Error", _error.DebugDescription, (IUIAlertViewDelegate)null, "OK", null)).Show();
}
//stop scanning on result
_scanView.CancelOnResult = true;
// to set certain supported ratios, they can be provided as follows:
//NSNumber[] ratios = { DocumentRatio.BusinessCardLandscape, DocumentRatio.DINAXLandscape };
//_scanView.SetDocumentRatios(ratios);
// you can set the max output resolution of your image here so it will be scaled to a desired size
//_scanView.MaxOutputResolution = new CGSize(width, height);
// After setup is complete we add the module to the view of this view controller
View.AddSubview(_scanView);
// This view notifies the user of any problems that occur while scanning
_notificationView = new NotificationView(new CGRect(20, 115, View.Bounds.Width - 40, 30));
_notificationView.FillColor = new UIColor((nfloat)(98.0 / 255.0), (nfloat)(39.0 / 255.0), (nfloat)(232.0 / 255.0), (nfloat)(0.6)).CGColor;
_notificationView.TextLabel.Text = "";
_notificationView.Alpha = 0;
View.Add(_notificationView);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Initializing the Bottlecap scan module.
CGRect frame = UIScreen.MainScreen.ApplicationFrame;
frame = new CGRect(frame.X,
frame.Y + NavigationController.NavigationBar.Frame.Size.Height,
frame.Width,
frame.Height - NavigationController.NavigationBar.Frame.Size.Height);
scanView = new AnylineDocumentModuleView(frame);
// We tell the module to bootstrap itself with the license key and delegate. The delegate will later get called
// by the module once we start receiving results.
error = null;
success = scanView.SetupWithLicenseKey(licenseKey, this.Self, out error);
// SetupWithLicenseKey:delegate:error returns true if everything went fine. In the case something wrong
// we have to check the error object for the error message.
if (!success)
{
// Something went wrong. The error object contains the error description
(alert = new UIAlertView("Error", error.DebugDescription, null, "OK", null)).Show();
}
//stop scanning on result
scanView.CancelOnResult = true;
scanView.TranslatesAutoresizingMaskIntoConstraints = false;
// After setup is complete we add the module to the view of this view controller
View.AddSubview(scanView);
// This view notifies the user of any problems that occur while scanning
notificationView = new NotificationView(new CGRect(20, 115, View.Bounds.Width - 40, 30));
notificationView.fillColor = new UIColor((nfloat)(98.0 / 255.0), (nfloat)(39.0 / 255.0), (nfloat)(232.0 / 255.0), (nfloat)(0.6)).CGColor;
notificationView.textLabel.Text = "";
notificationView.Alpha = 0;
View.Add(notificationView);
}
/*
* Will be called when AnylineDocumentModuleView.TriggerPictureCornerDetectionAndReturnError is invoked.
*/
void IAnylineDocumentModuleDelegate.DetectedPictureCorners(AnylineDocumentModuleView anylineDocumentModuleView, ALSquare corners, UIImage image)
{
}
/*
* The taken picture will be processed after this method call.
*/
void IAnylineDocumentModuleDelegate.TakePictureSuccess(AnylineDocumentModuleView anylineDocumentModuleView)
{
}
/*
* Return true if your implementation consumed the outline (e.g. drew the outline), or false if the DocumentScanView should draw the outline.
*/
bool IAnylineDocumentModuleDelegate.DocumentOutlineDetected(AnylineDocumentModuleView anylineDocumentModuleView, NSObject[] outline, bool anglesValid)
{
return(false);
}
void IAnylineDocumentModuleDelegate.TakePictureError(AnylineDocumentModuleView anylineDocumentModuleView, NSError error)
{
_showingNotification = false;
ShowNotification("Failed to take picture.");
}
/*
* Called if the preview scan detected a sharp and correctly placed document.
* After this callback, a full frame scan of the document starts automatically.
*/
void IAnylineDocumentModuleDelegate.ReportsPreviewResult(AnylineDocumentModuleView anylineDocumentModuleView, UIImage image)
{
_showingNotification = false;
ShowNotification("Processing.. Please hold still.");
}
/*
* Called if the run on the full frame was unsuccessful. The scanning process automatically starts again with a preview scan.
*/
void IAnylineDocumentModuleDelegate.ReportsPictureProcessingFailure(AnylineDocumentModuleView anylineDocumentModuleView, ALDocumentError error)
{
ShowNotification(error);
}
void IAnylineDocumentModuleDelegate.TakePictureSuccess(AnylineDocumentModuleView anylineDocumentModuleView)
{
new UIAlertView("Success", "Picture successfully taken.", null, "OK", null).Show();
}
bool IAnylineDocumentModuleDelegate.AnglesValid(AnylineDocumentModuleView anylineDocumentModuleView, ALSquare outline, bool anglesValid)
{
return(false);
}