public void stopScanner(string options)
{
if (canvas != null)
{
ScannerPage.isClosing = true;
Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
if (scannerPage != null)
{
BarcodeScannerPage.ScannerPage.cameraDevice.Dispose();
if ((int)ScannerPage.param_OverlayMode == 1)
{
MWOverlay.removeOverlay();
}
else if ((int)ScannerPage.param_OverlayMode == 1)
{
canvas.Children.Remove(imgOverlay);
}
(currentPage.FindName("LayoutRoot") as Grid).Children.Remove(canvas);
if (flashButton != null)
{
(currentPage.FindName("LayoutRoot") as Grid).Children.Remove(flashButton);
flashButton = null;
}
scannerPage.stopCamera();
scannerPage = null;
canvas = null;
videoBrush = null;
}
});
}
}
public void generateQr()
{
if (Source != null || License != null)
{
var dataqu = scannerServices.reqQrCode(License);
Images = new ScannerModel {
ImageSource = generatecodeQr.makeQrCode(dataqu["kode_parkir"]),
License_number = License,
AreaKatName = dataqu["areaKatName"],
Areanumber = Convert.ToInt32(dataqu["areaNumber"]),
FeesValue = Convert.ToInt32(dataqu["fees"]),
Kodeparkir = dataqu["kode_parkir"],
ImageOri = Sourceres
};
if (scanerwindow == null)
{
scanerwindow = new ScannerPage(Images);
scanerwindow.Show();
}
else
{
resetForm(Images);
}
}
else
{
Messages = "License manual wajib di isi";
}
//Console.WriteLine(License);
//scannerServices.reqQrCode(License);
}
/// <summary>
/// TestZXingCommand execute.
/// </summary>
/// <param name="arg"></param>
/// <returns></returns>
private async Task TestZXing(object arg)
{
DateTime creationTime = DateTime.Now;
ScannerPage scannerPage = new ScannerPage(ScanningOptions.ToModel());
scannerPage.Appearing += ScannerPage_Appearing;
scannerPage.Disappearing += ScannerPage_Disappearing;
//Add tap to focus.
TapGestureRecognizer tapToFocusGesture = new TapGestureRecognizer();
tapToFocusGesture.Tapped += (o, e) => scannerPage.SetFocus();
scannerPage.Overlay.GestureRecognizers.Add(tapToFocusGesture);
scannerPage.OnScanResult += (result) =>
{
// Stop scanning
scannerPage.IsScanning = false;
Barcode = result.Text;
BarcodeFormat = result.BarcodeFormat;
DateTime scannedTime = DateTime.Now;
TimeToScan = scannedTime - creationTime;
// Pop the page and show the result
Device.BeginInvokeOnMainThread(async() =>
{
await NavigationHelper.PopAsync();
});
};
// Navigate to our scanner page
await NavigationHelper.PushAsync(scannerPage);
}
public ScannerPage CreateScannerPage()
{
scannerPage?.DisableScanner();
scannerPage = new ScannerPage();
return(scannerPage);
}
public void startScannerView(string options)
{
Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
if (canvas == null)
{
string[] paramsList = JsonHelper.Deserialize <string[]>(options);
mwbScanner = this;
kallbackID = paramsList[4];
bool firstTimePageLoad = false;
if (currentPage == null)
{
firstTimePageLoad = true;
currentPage = (((PhoneApplicationFrame)Application.Current.RootVisual).Content as PhoneApplicationPage);
}
var screenWidth = (currentPage.Orientation == PageOrientation.Portrait || currentPage.Orientation == PageOrientation.PortraitUp || currentPage.Orientation == PageOrientation.PortraitDown) ? Application.Current.Host.Content.ActualWidth : Application.Current.Host.Content.ActualHeight;
var screenHeight = (currentPage.Orientation == PageOrientation.Landscape || currentPage.Orientation == PageOrientation.LandscapeLeft || currentPage.Orientation == PageOrientation.LandscapeRight) ? Application.Current.Host.Content.ActualWidth : Application.Current.Host.Content.ActualHeight;
var pX = Convert.ToInt32(paramsList[0]);
var pY = Convert.ToInt32(paramsList[1]);
var pWidth = Convert.ToInt32(paramsList[2]);
var pHeight = Convert.ToInt32(paramsList[3]);
var x = (float)pX / 100 * screenWidth;
var y = (float)pY / 100 * screenHeight;
width = (float)pWidth / 100 * screenWidth;
height = (float)pHeight / 100 * screenHeight;
videoBrush = new System.Windows.Media.VideoBrush();
canvas = new Canvas()
{
Background = videoBrush,
VerticalAlignment = VerticalAlignment.Top,
HorizontalAlignment = HorizontalAlignment.Left
};
float heightTmp = (float)height;
float widthTmp = (float)width;
heightClip = 0;
widthClip = 0;
float AR = (float)screenHeight / (float)screenWidth;
if (width * AR >= height)
{
heightTmp = (int)(width * AR);
heightClip = (float)(heightTmp - height) / 2;
}
else
{
widthTmp = (int)(height / AR);
widthClip = (float)(widthTmp - width) / 2;
}
canvas.Width = widthTmp;
canvas.Height = heightTmp;
RectangleGeometry rg = new RectangleGeometry();
rg.Rect = new System.Windows.Rect(widthClip, heightClip, width, height);
canvas.Clip = rg;
canvas.Margin = new Thickness(x - widthClip, y - heightClip, 0, 0);
if (pX == 0 && pY == 0 && pWidth == 1 && pHeight == 1)
{
canvas.Visibility = Visibility.Collapsed;
}
(currentPage.FindName("LayoutRoot") as Grid).Children.Add(canvas);
scannerPage = new ScannerPage();
scannerPage.videoBrush = videoBrush;
ScannerPage.isPage = false;
scannerPage.InitializeCamera(CameraSensorLocation.Back);
scannerPage.fixOrientation(currentPage.Orientation);
setAutoRect();
if ((int)ScannerPage.param_OverlayMode == 1)
{
MWOverlay.addOverlay(canvas);
}
else if ((int)ScannerPage.param_OverlayMode == 2)
{
imgOverlay = new Image()
{
Stretch = Stretch.Fill,
Width = width,
Height = height,
Margin = new Thickness(widthClip, heightClip, 0, 0)
};
BitmapImage BitImg = new BitmapImage(new Uri("/Plugins/manateeworks-barcodescanner/overlay_mw.png", UriKind.Relative));
imgOverlay.Source = BitImg;
canvas.Children.Add(imgOverlay);
}
if (ScannerPage.param_EnableFlash)
{
flashButton = new Button()
{
Width = 70,
Height = 70,
BorderThickness = new Thickness(0, 0, 0, 0),
Margin = new Thickness(x + 5, y + 5, 0, 0),
Background = new ImageBrush()
{
ImageSource = new BitmapImage(new Uri("/Plugins/manateeworks-barcodescanner/flashbuttonoff.png", UriKind.Relative))
},
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top
};
flashButton.Click += delegate
{
scannerPage.flashButton_Click(null, null);
};
(currentPage.FindName("LayoutRoot") as Grid).Children.Add(flashButton);
}
if (firstTimePageLoad)
{
currentPage.NavigationService.Navigating += delegate
{
stopScanner("");
};
currentPage.OrientationChanged += delegate
{
Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
if (canvas != null)
{
if ((int)ScannerPage.param_OverlayMode == 1)
{
MWOverlay.removeOverlay();
}
screenWidth = (currentPage.Orientation == PageOrientation.Portrait || currentPage.Orientation == PageOrientation.PortraitUp || currentPage.Orientation == PageOrientation.PortraitDown) ? Application.Current.Host.Content.ActualWidth : Application.Current.Host.Content.ActualHeight;
screenHeight = (currentPage.Orientation == PageOrientation.Landscape || currentPage.Orientation == PageOrientation.LandscapeLeft || currentPage.Orientation == PageOrientation.LandscapeRight) ? Application.Current.Host.Content.ActualWidth : Application.Current.Host.Content.ActualHeight;
x = (float)pX / 100 * screenWidth;
y = (float)pY / 100 * screenHeight;
width = (float)pWidth / 100 * screenWidth;
height = (float)pHeight / 100 * screenHeight;
heightTmp = (float)height;
widthTmp = (float)width;
heightClip = 0;
widthClip = 0;
AR = (float)screenHeight / (float)screenWidth;
if (width * AR >= height)
{
heightTmp = (float)(width * AR);
heightClip = (float)(heightTmp - height) / 2;
}
else
{
widthTmp = (float)(height / AR);
widthClip = (float)(widthTmp - width) / 2;
}
canvas.Width = widthTmp;
canvas.Height = heightTmp;
rg = new RectangleGeometry();
rg.Rect = new System.Windows.Rect(widthClip, heightClip, width, height);
canvas.Clip = rg;
canvas.Margin = new Thickness(x - widthClip, y - heightClip, 0, 0);
if (flashButton != null)
{
flashButton.Margin = new Thickness(x + 5, y + 5, 0, 0);
}
scannerPage.fixOrientation(currentPage.Orientation);
setAutoRect();
if ((int)ScannerPage.param_OverlayMode == 1)
{
Observable
.Timer(TimeSpan.FromMilliseconds(100))
.SubscribeOnDispatcher()
.Subscribe(_ =>
{
Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
MWOverlay.addOverlay(canvas);
});
});
}
else if ((int)ScannerPage.param_OverlayMode == 2)
{
imgOverlay.Width = width;
imgOverlay.Height = height;
imgOverlay.Margin = new Thickness(widthClip, heightClip, 0, 0);
}
}
});
};
}
}
else
{
setAutoRect();
}
});
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Page> e)
{
base.OnElementChanged(e);
if (e.OldElement != null || Element == null)
{
return;
}
listItems = ((ScanPage)Element).AllItems;
try { editListIndex = int.Parse(((ScanPage)Element).editListIndex.ToString()); } catch { }
try { editItemIndex = int.Parse(((ScanPage)Element).editItemIndex.ToString()); } catch { }
try
{
customDecoderInit();
scanner = new ScannerPage();
/*
* Customize the scanner by using options below
*/
/* Select desired scanner interface orientation
* Available options are: LandscapeLeft, LandscapeRight, Portrait, All; Default: LandscapeLeft
*/
//scanner.setInterfaceOrientation("All");
/* Toggle visibility of Flash button
* Available options are: true, false; Default: true
*/
//scanner.useFlash = false;
/* The initial state of the camera flash
* Available options are: true, false; Default: false
*/
//scanner.flashOnByDefault(true);
/* Choose between overlay types
* Available options are: OM_NONE, OM_MWOVERLAY (dynamic viewfinder), OM_IMAGE (static image overlay); Default: OM_MWOVERLAY
*/
//scanner.overlayMode = (int)ScannerPage.OverlayMode.OM_NONE;
/* Toggle visibility of Zoom button
* Available options are: true, false; Default: true
*/
//scanner.useZoom = false;
/* Set the number of CPU cores to be used
* Available options are: 1,2,3..; Max = Environment.ProcessorCount; Default: Max;
*/
//scanner.setMaxThreads(2);
/* Close scanner after successful scan
* Available options are: true, false (continuous scanning if set to false); Default: true;
* if set to false:
* Use scanner.resumeScanning() - to resume after successful scan
* Use scanner.closeScanner() - to close the scanner
*/
//scanner.closeScannerOnDecode = false;
/* Show on screen location of scanned code
* Available options are: true, false; Default: true;
*
* Customise line width and line color with the provided params below
*/
//scanner.enableShowLocation = false;
//MWOverlay.locationLineColor = 0x008000;
//MWOverlay.locationLineWidth = 2;
/*
* Use the front camera of the device
*
* Available options are: true, false; Default: false;
*
*/
//scanner.useFrontCamera = true;
ScannerPage.OnScanCompleted += SaveScanResult;
SetNativeControl(scanner);
}
catch (Exception ex)
{
Debug.WriteLine(@" ERROR: ", ex.Message);
}
}
public void resetForm(ScannerModel scannerModel)
{
scanerwindow.Close();
scanerwindow = new ScannerPage(Images);
scanerwindow.Show();
}
