INNER CODE UNIT · Swift

drawUIOverlays

AmolGangadhare/flutter_barcode_scanner · ios/Classes/SwiftFlutterBarcodeScannerPlugin.swift:313

    func drawUIOverlays(withCompletion processCompletionCallback: () -> Void){
        //    func drawUIOverlays(){
        let overlayPath = UIBezierPath(rect: view.bounds)
        
        let transparentPath = UIBezierPath(rect: CGRect(x: xCor, y: yCor, width: self.isOrientationPortrait ? (screenSize.width*0.8) : (screenSize.height*0.8), height: screenHeight))
        
        overlayPath.append(transparentPath)
        overlayPath.usesEvenOddFillRule = true
        let fillLayer = CAShapeLayer()
        
        fillLayer.path = overlayPath.cgPath
        fillLayer.fillRule = CAShapeLayerFillRule.evenOdd
        fillLayer.fillColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.5).cgColor
        
        videoPreviewLayer?.layoutSublayers()
        videoPreviewLayer?.layoutIfNeeded()
        
        view.layer.addSublayer(videoPreviewLayer!)

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