public override void DidOutputMetadataObjects(AVCaptureMetadataOutput captureOutput, AVMetadataObject[] metadataObjects, AVCaptureConnection connection)
{
string text = string.Empty;
for (int i = 0; i < metadataObjects.Length; i++)
{
AVMetadataObject aVMetadataObject = metadataObjects[i];
AVMetadataMachineReadableCodeObject aVMetadataMachineReadableCodeObject = aVMetadataObject as AVMetadataMachineReadableCodeObject;
if (aVMetadataMachineReadableCodeObject != null)
{
AVMetadataMachineReadableCodeObject aVMetadataMachineReadableCodeObject2 = aVMetadataMachineReadableCodeObject;
text = aVMetadataMachineReadableCodeObject2.StringValue;
text = this._view.ScannedBarcode(text);
if (!string.IsNullOrEmpty(text))
{
int num = this.Buffer.Add(text);
if (num > 0)
{
this._view.ScanOccurred(text);
}
}
}
else
{
iApp.Log.Info("Invalid AVMetadataObject type: " + aVMetadataObject.Type.ToString(), new object[0]);
}
}
}
public override void DidOutputMetadataObjects(AVCaptureMetadataOutput captureOutput, AVMetadataObject[] metadataObjects, AVCaptureConnection connection)
{
foreach(var m in metadataObjects)
{
if(m is AVMetadataMachineReadableCodeObject)
{
MetadataFound(this, m as AVMetadataMachineReadableCodeObject);
}
}
}
// An AutoResetEvent instance is used for drawing metadata object overlays so that
// only one group of metadata object overlays is drawn at a time.
MetadataObjectLayer CreateMetadataOverlay(AVMetadataObject metadataObject)
{
// Transform the metadata object so the bounds are updated to reflect those of the video preview layer.
var transformedMetadataObject = PreviewView.VideoPreviewLayer.GetTransformedMetadataObject(metadataObject);
// Create the initial metadata object overlay layer that can be used for either machine readable codes or faces.
var metadataObjectOverlayLayer = new MetadataObjectLayer {
MetadataObject = transformedMetadataObject,
LineJoin = CAShapeLayer.JoinRound,
LineWidth = 7,
StrokeColor = View.TintColor.ColorWithAlpha(0.7f).CGColor,
FillColor = View.TintColor.ColorWithAlpha(0.3f).CGColor
};
var barcodeMetadataObject = transformedMetadataObject as AVMetadataMachineReadableCodeObject;
if (barcodeMetadataObject != null)
{
var barcodeOverlayPath = BarcodeOverlayPathWithCorners(barcodeMetadataObject.Corners);
metadataObjectOverlayLayer.Path = barcodeOverlayPath;
// If the metadata object has a string value, display it.
if (barcodeMetadataObject.StringValue.Length > 0)
{
var barcodeOverlayBoundingBox = barcodeOverlayPath.BoundingBox;
var font = UIFont.BoldSystemFontOfSize(19).ToCTFont();
var textLayer = new CATextLayer {
AlignmentMode = CATextLayer.AlignmentCenter,
Bounds = new CGRect(0, 0, barcodeOverlayBoundingBox.Size.Width, barcodeOverlayBoundingBox.Size.Height),
ContentsScale = UIScreen.MainScreen.Scale,
Position = new CGPoint(barcodeOverlayBoundingBox.GetMidX(), barcodeOverlayBoundingBox.GetMidY()),
Wrapped = true,
// Invert the effect of transform of the video preview so the text is orientated with the interface orientation.
Transform = CATransform3D.MakeFromAffine(PreviewView.Transform).Invert(default(CATransform3D)),
AttributedString = new NSAttributedString(barcodeMetadataObject.StringValue, new CTStringAttributes {
Font = font,
ForegroundColor = UIColor.White.CGColor,
StrokeWidth = -5,
StrokeColor = UIColor.Black.CGColor
})
};
textLayer.SetFont(font);
metadataObjectOverlayLayer.AddSublayer(textLayer);
}
}
else if (transformedMetadataObject is AVMetadataFaceObject)
{
metadataObjectOverlayLayer.Path = CGPath.FromRect(transformedMetadataObject.Bounds);
}
return(metadataObjectOverlayLayer);
}
public void DidOutputMetadataObjects(AVCaptureMetadataOutput captureOutput, AVMetadataObject[] faces, AVCaptureConnection connection)
{
List<int> unseen = faceViews.Keys.ToList ();
List<int> seen = new List<int> ();
CATransaction.Begin ();
CATransaction.SetValueForKey (NSObject.FromObject (true), (NSString) (CATransaction.DisableActions.ToString ()));
foreach (var face in faces) {
int faceId = (face as AVMetadataFaceObject).FaceID;
unseen.Remove (faceId);
seen.Add (faceId);
FaceView view;
if (faceViews.ContainsKey (faceId))
view = faceViews [faceId];
else {
view = new FaceView ();
view.Layer.CornerRadius = 10;
view.Layer.BorderWidth = 3;
view.Layer.BorderColor = UIColor.Green.CGColor;
previewView.AddSubview (view);
faceViews.Add (faceId, view);
view.Id = faceId;
view.Callback = TouchCallBack;
if (lockedFaceID != null)
view.Alpha = 0;
}
AVMetadataFaceObject adjusted = (AVMetadataFaceObject)(previewView.Layer as AVCaptureVideoPreviewLayer).GetTransformedMetadataObject (face);
view.Frame = adjusted.Bounds;
}
foreach (int faceId in unseen) {
FaceView view = faceViews [faceId];
view.RemoveFromSuperview ();
faceViews.Remove (faceId);
if (faceId == lockedFaceID)
clearLockedFace ();
}
if (lockedFaceID != null) {
FaceView view = faceViews [lockedFaceID.GetValueOrDefault ()];
float size = (float)Math.Max (view.Frame.Size.Width, view.Frame.Size.Height) / device.VideoZoomFactor;
float zoomDelta = lockedFaceSize / size;
float lockTime = (float)(CATransition.CurrentMediaTime () - this.lockTime);
float zoomRate = (float)(Math.Log (zoomDelta) / lockTime);
if (Math.Abs (zoomDelta) > 0.1)
device.RampToVideoZoom (zoomRate > 0 ? MaxZoom : 1, zoomRate);
}
CATransaction.Commit ();
}
public override void DidOutputMetadataObjects (AVCaptureMetadataOutput captureOutput, AVMetadataObject[] metadataObjects, AVCaptureConnection connection)
{
if (metadataObjects == null || metadataObjects.Length == 0) {
outer.QRCodeFrameView.Frame = new CGRect ();
outer.messageLabel.Text = "No QR code is detected";
outer.messageLabel.BackgroundColor = UIColor.LightGray;
} else {
var metadataObj = metadataObjects [0] as AVMetadataMachineReadableCodeObject;
if (metadataObj.Type == AVMetadataObjectType.QRCode){
var barCodeObject = outer.VideoPreviewLayer.GetTransformedMetadataObject(metadataObj) as AVMetadataMachineReadableCodeObject;
outer.QRCodeFrameView.Frame = barCodeObject.Bounds;
if (!Success && metadataObj.StringValue != null) {
Success = true;
outer.addAttendance (metadataObj.StringValue);
}
}
}
}
public override void DidOutputMetadataObjects (AVCaptureMetadataOutput captureOutput, AVMetadataObject[] metadataObjects, AVCaptureConnection connection)
{
if (DidOutputMetadataObjectsAction != null)
DidOutputMetadataObjectsAction (captureOutput, metadataObjects, connection);
}
public void DidOutputMetadataObjects (AVCaptureOutput captureOutput,
AVMetadataObject[] metadataObjects,
AVCaptureConnection connection)
{
Barcodes = metadataObjects.ToList ();
}
//partial void SelectMetadataObjectTypes(UIButton sender)
//{
// var controller = new ItemSelectionViewController<AVMetadataObjectType>(this,
// MetadataObjectTypeItemSelectionIdentifier,
// this.metadataOutput.AvailableMetadataObjectTypes.GetFlags().ToList(),
// this.metadataOutput.MetadataObjectTypes.GetFlags().ToList(),
// true);
// this.PresentItemSelectionViewController(controller);
//}
/// <summary>
/// 2.스캔결과값
/// </summary>
/// <param name="metadataObject"></param>
/// <returns></returns>
private MetadataObjectLayer CreateMetadataOverlay(AVMetadataObject metadataObject)
{
// Transform the metadata object so the bounds are updated to reflect those of the video preview layer.
var transformedMetadataObject = this.PreviewView.VideoPreviewLayer.GetTransformedMetadataObject(metadataObject);
// Create the initial metadata object overlay layer that can be used for either machine readable codes or faces.
//빔 컬러
var metadataObjectOverlayLayer = new MetadataObjectLayer
{
LineWidth = 3,
LineJoin = CAShapeLayer.JoinRound,
MetadataObject = transformedMetadataObject,
FillColor = UIColor.Red.CGColor,
StrokeColor = UIColor.Red.CGColor
//FillColor = this.View.TintColor.ColorWithAlpha(0.3f).CGColor,
//StrokeColor = this.View.TintColor.ColorWithAlpha(0.7f).CGColor
};
var barcodeMetadataObject = transformedMetadataObject as AVMetadataMachineReadableCodeObject;
if (barcodeMetadataObject != null)
{
var barcodeOverlayPath = this.BarcodeOverlayPathWithCorners(barcodeMetadataObject.Corners);
metadataObjectOverlayLayer.Path = barcodeOverlayPath;
// If the metadata object has a string value, display it.
string textLayerString = null;
//스캔된 바코드 값
//바코드 타입 : barcodeMetadataObject.Type
if (!string.IsNullOrEmpty(barcodeMetadataObject.StringValue))
{
textLayerString = barcodeMetadataObject.StringValue;
}
else
{
// TODO: add Descriptor (line 618 in original iOS sample)
}
//스캔된 바코드 값
if (!string.IsNullOrEmpty(textLayerString))
{
Console.WriteLine("========Result========");
Console.WriteLine(barcodeMetadataObject.Type + ", " + barcodeMetadataObject.StringValue);
//this.PreviewView.customOverlay.tableSource.tableItems.Add(new TableItem { Heading = "heading", SubHeading = "subheading", ImageName = "barcode36x36.png" });
//this.InvokeOnMainThread(() => { this.PreviewView.customOverlay.RowAdd("aa", "bb"); });
var barcodeOverlayBoundingBox = barcodeOverlayPath.BoundingBox;
var font = UIFont.BoldSystemFontOfSize(16).ToCTFont();
var textLayer = new CATextLayer();
textLayer.TextAlignmentMode = CATextLayerAlignmentMode.Center;
//글자표시 박스, 높이가 작아서 글자 안보임 +50추가
textLayer.Bounds = new CGRect(0, 0, barcodeOverlayBoundingBox.Size.Width + 20, barcodeOverlayBoundingBox.Size.Height + 50);
//textLayer.Bounds = new CGRect(0, 0, 300, 100);
textLayer.ContentsScale = UIScreen.MainScreen.Scale;
textLayer.Position = new CGPoint(barcodeOverlayBoundingBox.GetMidX(), barcodeOverlayBoundingBox.GetMidY());
textLayer.Wrapped = true;
textLayer.Transform = CATransform3D.MakeFromAffine(this.PreviewView.Transform).Invert();
//-------------------------------------
//스캔된 바코드 biz logic
//-------------------------------------
//연속 스캔
if (this.IsContinue)
{
if (this.IsFixed)
{
if (this.AllScanBarcode.Contains(textLayerString))
{
//1. 저장 했는지?
if (this.SaveCompletedBarcode.Contains(textLayerString))
{
//저장 완료
//Color.Green
textLayer.String = "저장 완료\n" + textLayerString;
textLayer.AttributedString = new NSAttributedString(textLayer.String, new CTStringAttributes
{
Font = font,
StrokeWidth = 0,
StrokeColor = UIColor.Black.CGColor,
ForegroundColor = UIColor.Green.CGColor
});
//경고
audioCautionPlayer.Play();
doubleVibrator.PlaySystemSoundAsync();
}
//2. Scan 완료 했는지?
else if (this.ScanCompletedBarcode.Contains(textLayerString))
{
//스캔 완료
//Color.Yellow
textLayer.String = "스캔 완료\n" + textLayerString;
textLayer.AttributedString = new NSAttributedString(textLayer.String, new CTStringAttributes
{
Font = font,
StrokeWidth = 0,
StrokeColor = UIColor.Black.CGColor,
ForegroundColor = UIColor.Yellow.CGColor
});
//경고
audioCautionPlayer.Play();
doubleVibrator.PlaySystemSoundAsync();
}
else
{
//------------
//정상처리 작업
//------------
OnScanCompleted?.Invoke(barcodeMetadataObject.Type.ToString(), textLayerString);
textLayer.String = textLayerString;
textLayer.AttributedString = new NSAttributedString(textLayer.String, new CTStringAttributes
{
Font = font,
StrokeWidth = 0,
StrokeColor = UIColor.Black.CGColor,
ForegroundColor = UIColor.White.CGColor
});
//정상
audioPlayer.Play();
SystemSound.Vibrate.PlaySystemSoundAsync();
if (!this.ScanCompletedBarcode.Contains(textLayerString))
{
this.ScanCompletedBarcode.Add(textLayerString);
}
if (this.AllScanBarcode.Count == this.SaveCompletedBarcode.Count + this.ScanCompletedBarcode.Count)
{
this.session.StopRunning();
OnScanCompleted?.Invoke(string.Empty, "EXIT");
DismissViewController(true, null); //화면 종료
}
else
{
//연속스캔 사이의 간격 지정
//이 함수 호출하는 부분에서 처리
}
}
}
else
{
//스캔 대상X
//Color.Red
textLayer.String = "스캔 대상X\n" + textLayerString;
textLayer.AttributedString = new NSAttributedString(textLayer.String, new CTStringAttributes
{
Font = font,
StrokeWidth = 0,
StrokeColor = UIColor.Black.CGColor,
ForegroundColor = UIColor.Red.CGColor
});
//경고
audioCautionPlayer.Play();
doubleVibrator.PlaySystemSoundAsync();
}
}
//비고정(스캔 대상 없음)
else
{
//현재로서는 biz로직 없음
}
}
//단일 스캔
else
{
this.session.StopRunning();
textLayer.String = textLayerString;
textLayer.AttributedString = new NSAttributedString(textLayer.String, new CTStringAttributes
{
Font = font,
StrokeWidth = 0,
StrokeColor = UIColor.Black.CGColor,
ForegroundColor = UIColor.White.CGColor
});
//정상
audioPlayer.Play();
SystemSound.Vibrate.PlaySystemSoundAsync();
OnScanCompleted?.Invoke(barcodeMetadataObject.Type.ToString(), textLayerString);
DismissViewController(true, null); //화면 종료
}
//화면에 표시
textLayer.SetFont(font);
metadataObjectOverlayLayer.AddSublayer(textLayer);
}
}
else if (transformedMetadataObject is AVMetadataFaceObject)
{
metadataObjectOverlayLayer.Path = CGPath.FromRect(transformedMetadataObject.Bounds);
}
return(metadataObjectOverlayLayer);
}
public override void DidOutputMetadataObjects(AVCaptureMetadataOutput captureOutput, AVMetadataObject[] metadataObjects, AVCaptureConnection connection)
{
string code = "";
foreach (var metadata in metadataObjects)
{
if (metadata.Type == AVMetadataObject.TypeQRCode) {
code = ((AVMetadataMachineReadableCodeObject)metadata).StringValue;
Console.WriteLine ("qrcode: " + code);
} else {
Console.WriteLine ("type: " + metadata.Type);
code = ((AVMetadataMachineReadableCodeObject)metadata).StringValue;
Console.WriteLine ("----: " + code);
}
}
if (parent.QrScan != null)
parent.QrScan (code);
}
public void DidOutputMetadataObjects (AVCaptureMetadataOutput captureOutput, AVMetadataObject [] metadataObjects, AVCaptureConnection connection)
{
// resetEvent is used to drop new notifications if old ones are still processing, to avoid queueing up a bunch of stale data.
if (resetEvent.WaitOne (0)) {
DispatchQueue.MainQueue.DispatchAsync (() => {
RemoveMetadataObjectOverlayLayers ();
AddMetadataOverlayLayers (metadataObjects.Select (CreateMetadataOverlay));
resetEvent.Set ();
});
}
}
// An AutoResetEvent instance is used for drawing metadata object overlays so that
// only one group of metadata object overlays is drawn at a time.
MetadataObjectLayer CreateMetadataOverlay (AVMetadataObject metadataObject)
{
// Transform the metadata object so the bounds are updated to reflect those of the video preview layer.
var transformedMetadataObject = PreviewView.VideoPreviewLayer.GetTransformedMetadataObject (metadataObject);
// Create the initial metadata object overlay layer that can be used for either machine readable codes or faces.
var metadataObjectOverlayLayer = new MetadataObjectLayer {
MetadataObject = transformedMetadataObject,
LineJoin = CAShapeLayer.JoinRound,
LineWidth = 7,
StrokeColor = View.TintColor.ColorWithAlpha (0.7f).CGColor,
FillColor = View.TintColor.ColorWithAlpha (0.3f).CGColor
};
var barcodeMetadataObject = transformedMetadataObject as AVMetadataMachineReadableCodeObject;
if (barcodeMetadataObject != null) {
var barcodeOverlayPath = BarcodeOverlayPathWithCorners (barcodeMetadataObject.Corners);
metadataObjectOverlayLayer.Path = barcodeOverlayPath;
// If the metadata object has a string value, display it.
if (barcodeMetadataObject.StringValue.Length > 0) {
var barcodeOverlayBoundingBox = barcodeOverlayPath.BoundingBox;
var font = UIFont.BoldSystemFontOfSize (19).ToCTFont ();
var textLayer = new CATextLayer {
AlignmentMode = CATextLayer.AlignmentCenter,
Bounds = new CGRect (0, 0, barcodeOverlayBoundingBox.Size.Width, barcodeOverlayBoundingBox.Size.Height),
ContentsScale = UIScreen.MainScreen.Scale,
Position = new CGPoint (barcodeOverlayBoundingBox.GetMidX (), barcodeOverlayBoundingBox.GetMidY ()),
Wrapped = true,
// Invert the effect of transform of the video preview so the text is orientated with the interface orientation.
Transform = CATransform3D.MakeFromAffine (PreviewView.Transform).Invert (default (CATransform3D)),
AttributedString = new NSAttributedString (barcodeMetadataObject.StringValue, new CTStringAttributes {
Font = font,
ForegroundColor = UIColor.White.CGColor,
StrokeWidth = -5,
StrokeColor = UIColor.Black.CGColor
})
};
textLayer.SetFont (font);
metadataObjectOverlayLayer.AddSublayer (textLayer);
}
} else if (transformedMetadataObject is AVMetadataFaceObject) {
metadataObjectOverlayLayer.Path = CGPath.FromRect (transformedMetadataObject.Bounds);
}
return metadataObjectOverlayLayer;
}
