private NSValue ToCASkewTransform(float angleX, float angleY)
{
var matrix = CGAffineTransform.MakeIdentity();
matrix.yx = (float)Math.Tan(MathEx.ToRadians(angleY));
matrix.xy = (float)Math.Tan(MathEx.ToRadians(angleX));
return(NSValue.FromCATransform3D(CATransform3D.MakeFromAffine(matrix)));
}
// 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);
}
void SetupLayers()
{
if (view == null || view.Bounds.Size.IsEmpty)
{
return;
}
RemoveLayers();
var shear = new CGAffineTransform(1.0f, 0, shearFactor, 1.0f, 0.0f, 0.0f);
// replicator layer
replicatorLayer = new CAReplicatorLayer();
replicatorLayer.BackgroundColor = trackColor.CGColor;
replicatorLayer.Frame = view.Bounds;
replicatorLayer.InstanceCount = (nint)(1 + view.Bounds.Width / hatchSize);
replicatorLayer.PreservesDepth = false;
replicatorLayer.InstanceTransform = CATransform3D.MakeTranslation((nfloat)(hatchSize * 2.0), 0, 0);
if (view.Layer == null)
{
view.Layer = new CALayer();
}
view.Layer.AddSublayer(replicatorLayer);
view.WantsLayer = true;
// instance layer
var layerHeight = view.Bounds.Height;
var layerWidth = hatchSize;
var instanceLayer = new CALayer();
instanceLayer.Frame = new CGRect(0, 0, layerWidth, layerHeight);
instanceLayer.BackgroundColor = hatchColor.CGColor;
instanceLayer.Bounds = new CGRect(0, 0, layerWidth, layerHeight);
instanceLayer.Transform = CATransform3D.MakeFromAffine(shear);
replicatorLayer.AddSublayer(instanceLayer);
var runAnimation = CABasicAnimation.FromKeyPath("transform.translation.x");
runAnimation.From = NSNumber.FromDouble(-hatchSize);
runAnimation.To = NSNumber.FromDouble(hatchSize);
runAnimation.Duration = 0.5;
runAnimation.RepeatCount = float.PositiveInfinity;
instanceLayer.AddAnimation(runAnimation, "RunAnimation");
}
//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);
}
internal static void pulseExpandAnimation(CALayer layer, CALayer visualLayer, CGPoint point, nfloat width, nfloat height, Pulse pulse)
{
if (pulse.Animation != PulseAnimation.None)
{
nfloat n = pulse.Animation == PulseAnimation.Center ? width < height ? width : height : width < height ? height : width;
var bLayer = new CAShapeLayer();
var pLayer = new CAShapeLayer();
bLayer.AddSublayer(pLayer);
pulse.Layers.Enqueue(bLayer);
visualLayer.AddSublayer(bLayer);
Animation.AnimationDisabled(() =>
{
bLayer.Frame = visualLayer.Bounds;
pLayer.Bounds = new CGRect(0, 0, n, n);
switch (pulse.Animation)
{
case PulseAnimation.Center:
case PulseAnimation.CenterWithBacking:
case PulseAnimation.CenterRadialBeyondBounds:
pLayer.Position = new CGPoint(width / 2, height / 2);
break;
default:
pLayer.Position = point;
break;
}
pLayer.CornerRadius = n / 2;
pLayer.BackgroundColor = pulse.Color.ColorWithAlpha(pulse.Opacity).CGColor;
pLayer.Transform = CATransform3D.MakeFromAffine(CGAffineTransform.MakeScale(0, 0));
});
bLayer.SetValueForKey(NSObject.FromObject(false), new NSString("animated"));
var duration = pulse.Animation == PulseAnimation.Center ? 0.16125 : 0.325;
switch (pulse.Animation)
{
case PulseAnimation.CenterWithBacking:
case PulseAnimation.Backing:
case PulseAnimation.AtPointWithBacking:
bLayer.AddAnimation(Animation.BackgroundColor(pulse.Color.ColorWithAlpha(pulse.Opacity / 2), duration), null);
break;
default:
break;
}
switch (pulse.Animation)
{
case PulseAnimation.Center:
case PulseAnimation.CenterWithBacking:
case PulseAnimation.CenterRadialBeyondBounds:
case PulseAnimation.AtPoint:
case PulseAnimation.AtPointWithBacking:
pLayer.AddAnimation(Animation.Scale(1, duration), null);
break;
default:
break;
}
Animation.Delay(duration, () =>
{
bLayer.SetValueForKey(NSObject.FromObject(true), new NSString("animated"));
});
}
}