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@@ -9,19 +9,19 @@
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import UIKit
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import AVFoundation
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-public struct LBXScanResult {
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-
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+public struct LBXScanResult {
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+
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//码内容
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- public var strScanned:String? = ""
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+ public var strScanned: String? = ""
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//扫描图像
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- public var imgScanned:UIImage?
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+ public var imgScanned: UIImage?
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//码的类型
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- public var strBarCodeType:String? = ""
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-
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+ public var strBarCodeType: String? = ""
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+
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//码在图像中的位置
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- public var arrayCorner:[AnyObject]?
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-
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- public init(str:String?,img:UIImage?,barCodeType:String?,corner:[AnyObject]?)
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+ public var arrayCorner: [AnyObject]?
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+
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+ public init(str: String?, img: UIImage?, barCodeType: String?, corner: [AnyObject]?)
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{
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self.strScanned = str
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self.imgScanned = img
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@@ -32,28 +32,34 @@ public struct LBXScanResult {
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-open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
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-
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+open class LBXScanWrapper: NSObject, AVCaptureMetadataOutputObjectsDelegate {
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+
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let device = AVCaptureDevice.default(for: AVMediaType.video)
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- var input:AVCaptureDeviceInput?
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- var output:AVCaptureMetadataOutput
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-
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+ var input: AVCaptureDeviceInput?
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+ var output: AVCaptureMetadataOutput
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+
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let session = AVCaptureSession()
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- var previewLayer:AVCaptureVideoPreviewLayer?
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- var stillImageOutput:AVCaptureStillImageOutput?
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+ var previewLayer: AVCaptureVideoPreviewLayer?
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+ var stillImageOutput: AVCaptureStillImageOutput?
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+
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+ var videoPreView: UIView?
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- //存储返回结果
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- var arrayResult:[LBXScanResult] = [];
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+ var scaleSize:CGFloat = 1
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+ //存储返回结果
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+ var arrayResult: [LBXScanResult] = [];
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+
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//扫码结果返回block
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- var successBlock:([LBXScanResult]) -> Void
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-
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+ var successBlock: ([LBXScanResult]) -> Void
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+
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//是否需要拍照
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- var isNeedCaptureImage:Bool
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-
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+ var isNeedCaptureImage: Bool
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+
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//当前扫码结果是否处理
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- var isNeedScanResult:Bool = true
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+ var isNeedScanResult: Bool = true
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+
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+
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/**
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初始化设备
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- parameter videoPreView: 视频显示UIView
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@@ -63,90 +69,92 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
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- parameter success: 返回识别信息
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- returns:
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*/
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- init( videoPreView:UIView,objType:[AVMetadataObject.ObjectType] = [(AVMetadataObject.ObjectType.qr as NSString) as AVMetadataObject.ObjectType],isCaptureImg:Bool,cropRect:CGRect=CGRect.zero,success:@escaping ( ([LBXScanResult]) -> Void) )
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+ init(videoPreView: UIView, objType: [AVMetadataObject.ObjectType] = [(AVMetadataObject.ObjectType.qr as NSString) as AVMetadataObject.ObjectType], isCaptureImg: Bool, cropRect: CGRect = CGRect.zero, success: @escaping (([LBXScanResult]) -> Void))
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{
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- do{
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+ self.videoPreView = videoPreView
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+
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+ do {
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input = try AVCaptureDeviceInput(device: device!)
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}
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catch let error as NSError {
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print("AVCaptureDeviceInput(): \(error)")
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}
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-
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+
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successBlock = success
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-
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+
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// Output
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output = AVCaptureMetadataOutput()
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-
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+
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isNeedCaptureImage = isCaptureImg
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-
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+
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stillImageOutput = AVCaptureStillImageOutput();
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-
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+
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super.init()
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-
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+
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if device == nil || input == nil {
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return
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}
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-
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+
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if session.canAddInput(input!) {
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session.addInput(input!)
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}
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-
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+
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if session.canAddOutput(output) {
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session.addOutput(output)
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}
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-
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+
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if session.canAddOutput(stillImageOutput!) {
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session.addOutput(stillImageOutput!)
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}
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-
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- let outputSettings:Dictionary = [AVVideoCodecJPEG:AVVideoCodecKey]
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+
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+ let outputSettings: Dictionary = [AVVideoCodecJPEG: AVVideoCodecKey]
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stillImageOutput?.outputSettings = outputSettings
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-
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+
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session.sessionPreset = AVCaptureSession.Preset.high
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-
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+
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//参数设置
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output.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)
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-
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+
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output.metadataObjectTypes = objType
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-
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- // output.metadataObjectTypes = [AVMetadataObjectTypeQRCode,AVMetadataObjectTypeEAN13Code, AVMetadataObjectTypeEAN8Code, AVMetadataObjectTypeCode128Code]
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-
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+
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if !cropRect.equalTo(CGRect.zero)
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{
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//启动相机后，直接修改该参数无效
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output.rectOfInterest = cropRect
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}
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-
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+
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previewLayer = AVCaptureVideoPreviewLayer(session: session)
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previewLayer?.videoGravity = AVLayerVideoGravity.resizeAspectFill
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-
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- var frame:CGRect = videoPreView.frame
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+
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+ var frame: CGRect = videoPreView.frame
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frame.origin = CGPoint.zero
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previewLayer?.frame = frame
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+
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+ videoPreView.layer.insertSublayer(previewLayer!, at: 0)
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- videoPreView.layer .insertSublayer(previewLayer!, at: 0)
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-
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- if ( device!.isFocusPointOfInterestSupported && device!.isFocusModeSupported(AVCaptureDevice.FocusMode.continuousAutoFocus) )
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- {
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- do
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+ do {
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+ try input?.device.lockForConfiguration()
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+
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+ if device?.isWhiteBalanceModeSupported(.autoWhiteBalance) == true {
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+ input?.device.whiteBalanceMode = .autoWhiteBalance
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+ }
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+
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+ if (device!.isFocusPointOfInterestSupported && device!.isFocusModeSupported(AVCaptureDevice.FocusMode.continuousAutoFocus))
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{
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- try input?.device.lockForConfiguration()
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-
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input?.device.focusMode = AVCaptureDevice.FocusMode.continuousAutoFocus
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-
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- input?.device.unlockForConfiguration()
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- }
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- catch let error as NSError {
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- print("device.lockForConfiguration(): \(error)")
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-
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}
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+
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+ input?.device.unlockForConfiguration()
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+ } catch let error as NSError {
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+ print("device.lockForConfiguration(): \(error)")
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}
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+
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}
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-
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+
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public func metadataOutput(_ output: AVCaptureMetadataOutput, didOutput metadataObjects: [AVMetadataObject], from connection: AVCaptureConnection) {
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captureOutput(output, didOutputMetadataObjects: metadataObjects, from: connection)
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}
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-
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+
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func start()
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{
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if !session.isRunning
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@@ -164,39 +172,92 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
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}
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}
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- open func captureOutput(_ captureOutput: AVCaptureOutput!, didOutputMetadataObjects metadataObjects: [Any]!, from connection: AVCaptureConnection!) {
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-
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+// func setVideoScale(scale: CGFloat) {
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+// print("调整镜头................")
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+// do {
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+// try input?.device.lockForConfiguration()
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+// let videoConnection = self.connectionWithMediaType(mediaType: .video, connections: self.stillImageOutput?.connections ?? [])
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+// let maxScaleAndCropFactor = self.stillImageOutput?.connection(with: .video)?.videoMaxScaleAndCropFactor ?? 0 / 16
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+// var newScale = scale
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+// if newScale > maxScaleAndCropFactor {
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+// newScale = maxScaleAndCropFactor
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+// }
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+// print("scale.....\(newScale)")
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+// let videoFactor = videoConnection?.videoScaleAndCropFactor ?? 1
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+// let zoom = newScale / videoFactor
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+// videoConnection?.videoScaleAndCropFactor = newScale
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+// input?.device.unlockForConfiguration()
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+// print("zoom.......\(zoom)")
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+// if let transform = self.videoPreView?.transform {
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+// self.videoPreView?.transform = transform.scaledBy(x: zoom, y: zoom)
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+// }
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+//
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+// } catch let error as NSError {
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+// print("device.lockForConfiguration(): \(error)")
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+// }
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+// }
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+//
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+// func changeVideoScale(obj: AVMetadataMachineReadableCodeObject?) {
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+// if let o = obj {
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+// let arr = o.corners
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+// if arr.count >= 3 {
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+// let point = arr[1]
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+// let point2 = arr[2]
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+// let scale = 150 / (point2.x - point.x) //当二维码图片宽小于150，进行放大
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+// print("scale.......\(scale)")
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+// if scale > 1 {
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+// for item in stride(from: 1, to: scale, by: 0.01) {
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+// self.setVideoScale(scale: item)
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+// }
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+// }
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+// }
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+// }
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+// }
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+
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+ open func captureOutput(_ captureOutput: AVCaptureOutput, didOutputMetadataObjects metadataObjects: [AVMetadataObject], from connection: AVCaptureConnection) {
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+
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if !isNeedScanResult
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{
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//上一帧处理中
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return
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}
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-
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+
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isNeedScanResult = false
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-
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+
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arrayResult.removeAll()
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+
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+// print(metadataObjects)
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+
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+// if metadataObjects.count < 1 {
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+// if self.scaleSize == 1 {
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+// self.scaleSize = 2
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+// }else {
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+// self.scaleSize = 1
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+// }
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+// self.setVideoScale(scale: self.scaleSize)
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+// }
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//识别扫码类型
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- for current:Any in metadataObjects
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+ for current in metadataObjects
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{
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- if (current as AnyObject).isKind(of: AVMetadataMachineReadableCodeObject.self)
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+ if (current).isKind(of: AVMetadataMachineReadableCodeObject.self)
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{
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let code = current as! AVMetadataMachineReadableCodeObject
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-
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+
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//码类型
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let codeType = code.type
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// print("code type:%@",codeType)
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//码内容
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let codeContent = code.stringValue
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// print("code string:%@",codeContent)
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-
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+
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//4个字典，分别 左上角-右上角-右下角-左下角的 坐标百分百，可以使用这个比例抠出码的图像
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// let arrayRatio = code.corners
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-
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+
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arrayResult.append(LBXScanResult(str: codeContent, img: UIImage(), barCodeType: codeType.rawValue, corner: code.corners as [AnyObject]?))
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}
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}
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-
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+
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if arrayResult.count > 0
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{
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if isNeedCaptureImage
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@@ -208,52 +269,52 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
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stop()
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successBlock(arrayResult)
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}
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-
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+
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}
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else
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{
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isNeedScanResult = true
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}
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-
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+
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}
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-
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+
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//MARK: ----拍照
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open func captureImage()
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{
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- let stillImageConnection:AVCaptureConnection? = connectionWithMediaType(mediaType: AVMediaType.video as AVMediaType, connections: (stillImageOutput?.connections)! as [AnyObject])
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-
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-
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+ let stillImageConnection: AVCaptureConnection? = connectionWithMediaType(mediaType: AVMediaType.video as AVMediaType, connections: (stillImageOutput?.connections)! as [AnyObject])
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+
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+
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stillImageOutput?.captureStillImageAsynchronously(from: stillImageConnection!, completionHandler: { (imageDataSampleBuffer, error) -> Void in
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-
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+
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self.stop()
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if imageDataSampleBuffer != nil
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{
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let imageData: Data = AVCaptureStillImageOutput.jpegStillImageNSDataRepresentation(imageDataSampleBuffer!)!
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- let scanImg:UIImage? = UIImage(data: imageData)
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-
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-
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- for idx in 0...self.arrayResult.count-1
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+ let scanImg: UIImage? = UIImage(data: imageData)
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+
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+
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+ for idx in 0...self.arrayResult.count - 1
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{
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self.arrayResult[idx].imgScanned = scanImg
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}
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}
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-
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+
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self.successBlock(self.arrayResult)
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-
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+
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})
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}
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-
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- open func connectionWithMediaType(mediaType:AVMediaType, connections:[AnyObject]) -> AVCaptureConnection?
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+
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+ open func connectionWithMediaType(mediaType: AVMediaType, connections: [AnyObject]) -> AVCaptureConnection?
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{
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- for connection:AnyObject in connections
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+ for connection: AnyObject in connections
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{
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- let connectionTmp:AVCaptureConnection = connection as! AVCaptureConnection
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-
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- for port:Any in connectionTmp.inputPorts
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+ let connectionTmp: AVCaptureConnection = connection as! AVCaptureConnection
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+
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+ for port: Any in connectionTmp.inputPorts
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{
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if (port as AnyObject).isKind(of: AVCaptureInput.Port.self)
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{
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- let portTmp:AVCaptureInput.Port = port as! AVCaptureInput.Port
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+ let portTmp: AVCaptureInput.Port = port as! AVCaptureInput.Port
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if portTmp.mediaType == mediaType
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{
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return connectionTmp
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@@ -263,58 +324,58 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
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}
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return nil
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}
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-
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-
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+
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+
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//MARK:切换识别区域
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- open func changeScanRect(cropRect:CGRect)
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+ open func changeScanRect(cropRect: CGRect)
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{
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//待测试，不知道是否有效
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stop()
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output.rectOfInterest = cropRect
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start()
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}
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-
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+
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//MARK: 切换识别码的类型
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- open func changeScanType(objType:[AVMetadataObject.ObjectType])
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+ open func changeScanType(objType: [AVMetadataObject.ObjectType])
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{
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//待测试中途修改是否有效
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output.metadataObjectTypes = objType
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}
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-
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- open func isGetFlash()->Bool
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+
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+ open func isGetFlash() -> Bool
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{
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- if (device != nil && device!.hasFlash && device!.hasTorch)
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+ if (device != nil && device!.hasFlash && device!.hasTorch)
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{
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return true
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}
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return false
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}
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-
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+
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/**
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打开或关闭闪关灯
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- parameter torch: true：打开闪关灯 false:关闭闪光灯
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*/
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- open func setTorch(torch:Bool)
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+ open func setTorch(torch: Bool)
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{
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if isGetFlash()
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{
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do
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{
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try input?.device.lockForConfiguration()
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-
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+
|
|
|
input?.device.torchMode = torch ? AVCaptureDevice.TorchMode.on : AVCaptureDevice.TorchMode.off
|
|
|
-
|
|
|
+
|
|
|
input?.device.unlockForConfiguration()
|
|
|
}
|
|
|
catch let error as NSError {
|
|
|
print("device.lockForConfiguration(): \(error)")
|
|
|
-
|
|
|
+
|
|
|
}
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
}
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
/**
|
|
|
------闪光灯打开或关闭
|
|
|
*/
|
|
|
@@ -325,9 +386,9 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
do
|
|
|
{
|
|
|
try input?.device.lockForConfiguration()
|
|
|
-
|
|
|
+
|
|
|
var torch = false
|
|
|
-
|
|
|
+
|
|
|
if input?.device.torchMode == AVCaptureDevice.TorchMode.on
|
|
|
{
|
|
|
torch = false
|
|
|
@@ -336,52 +397,52 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
{
|
|
|
torch = true
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
input?.device.torchMode = torch ? AVCaptureDevice.TorchMode.on : AVCaptureDevice.TorchMode.off
|
|
|
-
|
|
|
+
|
|
|
input?.device.unlockForConfiguration()
|
|
|
}
|
|
|
catch let error as NSError {
|
|
|
print("device.lockForConfiguration(): \(error)")
|
|
|
-
|
|
|
+
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
//MARK: ------获取系统默认支持的码的类型
|
|
|
- static func defaultMetaDataObjectTypes() ->[AVMetadataObject.ObjectType]
|
|
|
+ static func defaultMetaDataObjectTypes() -> [AVMetadataObject.ObjectType]
|
|
|
{
|
|
|
var types =
|
|
|
[AVMetadataObject.ObjectType.qr,
|
|
|
- AVMetadataObject.ObjectType.upce,
|
|
|
- AVMetadataObject.ObjectType.code39,
|
|
|
- AVMetadataObject.ObjectType.code39Mod43,
|
|
|
- AVMetadataObject.ObjectType.ean13,
|
|
|
- AVMetadataObject.ObjectType.ean8,
|
|
|
- AVMetadataObject.ObjectType.code93,
|
|
|
- AVMetadataObject.ObjectType.code128,
|
|
|
- AVMetadataObject.ObjectType.pdf417,
|
|
|
- AVMetadataObject.ObjectType.aztec
|
|
|
- ]
|
|
|
+ AVMetadataObject.ObjectType.upce,
|
|
|
+ AVMetadataObject.ObjectType.code39,
|
|
|
+ AVMetadataObject.ObjectType.code39Mod43,
|
|
|
+ AVMetadataObject.ObjectType.ean13,
|
|
|
+ AVMetadataObject.ObjectType.ean8,
|
|
|
+ AVMetadataObject.ObjectType.code93,
|
|
|
+ AVMetadataObject.ObjectType.code128,
|
|
|
+ AVMetadataObject.ObjectType.pdf417,
|
|
|
+ AVMetadataObject.ObjectType.aztec
|
|
|
+ ]
|
|
|
//if #available(iOS 8.0, *)
|
|
|
-
|
|
|
+
|
|
|
types.append(AVMetadataObject.ObjectType.interleaved2of5)
|
|
|
types.append(AVMetadataObject.ObjectType.itf14)
|
|
|
types.append(AVMetadataObject.ObjectType.dataMatrix)
|
|
|
return types as [AVMetadataObject.ObjectType]
|
|
|
}
|
|
|
-
|
|
|
-
|
|
|
- static func isSysIos8Later()->Bool
|
|
|
+
|
|
|
+
|
|
|
+ static func isSysIos8Later() -> Bool
|
|
|
{
|
|
|
// return floor(NSFoundationVersionNumber) > NSFoundationVersionNumber_iOS_8_0
|
|
|
-
|
|
|
+
|
|
|
if #available(iOS 8, *) {
|
|
|
return true;
|
|
|
}
|
|
|
return false
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
/**
|
|
|
识别二维码码图像
|
|
|
|
|
|
@@ -389,74 +450,74 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
|
|
|
- returns: 返回识别结果
|
|
|
*/
|
|
|
- static public func recognizeQRImage(image:UIImage) ->[LBXScanResult]
|
|
|
+ static public func recognizeQRImage(image: UIImage) -> [LBXScanResult]
|
|
|
{
|
|
|
- var returnResult:[LBXScanResult]=[]
|
|
|
-
|
|
|
+ var returnResult: [LBXScanResult] = []
|
|
|
+
|
|
|
if LBXScanWrapper.isSysIos8Later()
|
|
|
{
|
|
|
//if #available(iOS 8.0, *)
|
|
|
-
|
|
|
- let detector:CIDetector = CIDetector(ofType: CIDetectorTypeQRCode, context: nil, options: [CIDetectorAccuracy:CIDetectorAccuracyHigh])!
|
|
|
-
|
|
|
+
|
|
|
+ let detector: CIDetector = CIDetector(ofType: CIDetectorTypeQRCode, context: nil, options: [CIDetectorAccuracy: CIDetectorAccuracyHigh])!
|
|
|
+
|
|
|
let img = CIImage(cgImage: (image.cgImage)!)
|
|
|
-
|
|
|
- let features:[CIFeature]? = detector.features(in: img, options: [CIDetectorAccuracy:CIDetectorAccuracyHigh])
|
|
|
-
|
|
|
- if( features != nil && (features?.count)! > 0)
|
|
|
+
|
|
|
+ let features: [CIFeature]? = detector.features(in: img, options: [CIDetectorAccuracy: CIDetectorAccuracyHigh])
|
|
|
+
|
|
|
+ if(features != nil && (features?.count)! > 0)
|
|
|
{
|
|
|
let feature = features![0]
|
|
|
-
|
|
|
+
|
|
|
if feature.isKind(of: CIQRCodeFeature.self)
|
|
|
{
|
|
|
- let featureTmp:CIQRCodeFeature = feature as! CIQRCodeFeature
|
|
|
-
|
|
|
+ let featureTmp: CIQRCodeFeature = feature as! CIQRCodeFeature
|
|
|
+
|
|
|
let scanResult = featureTmp.messageString
|
|
|
-
|
|
|
-
|
|
|
- let result = LBXScanResult(str: scanResult, img: image, barCodeType: AVMetadataObject.ObjectType.qr.rawValue,corner: nil)
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
+ let result = LBXScanResult(str: scanResult, img: image, barCodeType: AVMetadataObject.ObjectType.qr.rawValue, corner: nil)
|
|
|
+
|
|
|
returnResult.append(result)
|
|
|
}
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
return returnResult
|
|
|
}
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
//MARK: -- - 生成二维码，背景色及二维码颜色设置
|
|
|
- static public func createCode( codeType:String, codeString:String, size:CGSize,qrColor:UIColor,bkColor:UIColor )->UIImage?
|
|
|
+ static public func createCode(codeType: String, codeString: String, size: CGSize, qrColor: UIColor, bkColor: UIColor) -> UIImage?
|
|
|
{
|
|
|
//if #available(iOS 8.0, *)
|
|
|
-
|
|
|
+
|
|
|
let stringData = codeString.data(using: String.Encoding.utf8)
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
//系统自带能生成的码
|
|
|
// CIAztecCodeGenerator
|
|
|
// CICode128BarcodeGenerator
|
|
|
// CIPDF417BarcodeGenerator
|
|
|
// CIQRCodeGenerator
|
|
|
let qrFilter = CIFilter(name: codeType)
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
qrFilter?.setValue(stringData, forKey: "inputMessage")
|
|
|
-
|
|
|
+
|
|
|
qrFilter?.setValue("H", forKey: "inputCorrectionLevel")
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
//上色
|
|
|
- let colorFilter = CIFilter(name: "CIFalseColor", parameters: ["inputImage":qrFilter!.outputImage!,"inputColor0":CIColor(cgColor: qrColor.cgColor),"inputColor1":CIColor(cgColor: bkColor.cgColor)])
|
|
|
-
|
|
|
-
|
|
|
+ let colorFilter = CIFilter(name: "CIFalseColor", parameters: ["inputImage": qrFilter!.outputImage!, "inputColor0": CIColor(cgColor: qrColor.cgColor), "inputColor1": CIColor(cgColor: bkColor.cgColor)])
|
|
|
+
|
|
|
+
|
|
|
let qrImage = colorFilter!.outputImage!;
|
|
|
-
|
|
|
+
|
|
|
//绘制
|
|
|
let cgImage = CIContext().createCGImage(qrImage, from: qrImage.extent)!
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
UIGraphicsBeginImageContext(size);
|
|
|
let context = UIGraphicsGetCurrentContext()!;
|
|
|
context.interpolationQuality = CGInterpolationQuality.none;
|
|
|
@@ -464,16 +525,16 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
context.draw(cgImage, in: context.boundingBoxOfClipPath)
|
|
|
let codeImage = UIGraphicsGetImageFromCurrentImageContext();
|
|
|
UIGraphicsEndImageContext();
|
|
|
-
|
|
|
+
|
|
|
return codeImage
|
|
|
-
|
|
|
+
|
|
|
}
|
|
|
-
|
|
|
- static public func createCode128( codeString:String, size:CGSize,qrColor:UIColor,bkColor:UIColor )->UIImage?
|
|
|
+
|
|
|
+ static public func createCode128(codeString: String, size: CGSize, qrColor: UIColor, bkColor: UIColor) -> UIImage?
|
|
|
{
|
|
|
let stringData = codeString.data(using: String.Encoding.utf8)
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
//系统自带能生成的码
|
|
|
// CIAztecCodeGenerator 二维码
|
|
|
// CICode128BarcodeGenerator 条形码
|
|
|
@@ -482,36 +543,36 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
let qrFilter = CIFilter(name: "CICode128BarcodeGenerator")
|
|
|
qrFilter?.setDefaults()
|
|
|
qrFilter?.setValue(stringData, forKey: "inputMessage")
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
- let outputImage:CIImage? = qrFilter?.outputImage
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+ let outputImage: CIImage? = qrFilter?.outputImage
|
|
|
let context = CIContext()
|
|
|
let cgImage = context.createCGImage(outputImage!, from: outputImage!.extent)
|
|
|
-
|
|
|
+
|
|
|
let image = UIImage(cgImage: cgImage!, scale: 1.0, orientation: UIImage.Orientation.up)
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
// Resize without interpolating
|
|
|
- let scaleRate:CGFloat = 20.0
|
|
|
+ let scaleRate: CGFloat = 20.0
|
|
|
let resized = resizeImage(image: image, quality: CGInterpolationQuality.none, rate: scaleRate)
|
|
|
-
|
|
|
+
|
|
|
return resized;
|
|
|
}
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
//MARK:根据扫描结果，获取图像中得二维码区域图像（如果相机拍摄角度故意很倾斜，获取的图像效果很差）
|
|
|
- static func getConcreteCodeImage(srcCodeImage:UIImage,codeResult:LBXScanResult)->UIImage?
|
|
|
+ static func getConcreteCodeImage(srcCodeImage: UIImage, codeResult: LBXScanResult) -> UIImage?
|
|
|
{
|
|
|
- let rect:CGRect = getConcreteCodeRectFromImage(srcCodeImage: srcCodeImage, codeResult: codeResult)
|
|
|
-
|
|
|
+ let rect: CGRect = getConcreteCodeRectFromImage(srcCodeImage: srcCodeImage, codeResult: codeResult)
|
|
|
+
|
|
|
if rect.isEmpty
|
|
|
{
|
|
|
return nil
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
let img = imageByCroppingWithStyle(srcImg: srcCodeImage, rect: rect)
|
|
|
-
|
|
|
+
|
|
|
if img != nil
|
|
|
{
|
|
|
let imgRotation = imageRotation(image: img!, orientation: UIImage.Orientation.right)
|
|
|
@@ -520,15 +581,15 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
return nil
|
|
|
}
|
|
|
//根据二维码的区域截取二维码区域图像
|
|
|
- static public func getConcreteCodeImage(srcCodeImage:UIImage,rect:CGRect)->UIImage?
|
|
|
+ static public func getConcreteCodeImage(srcCodeImage: UIImage, rect: CGRect) -> UIImage?
|
|
|
{
|
|
|
if rect.isEmpty
|
|
|
{
|
|
|
return nil
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
let img = imageByCroppingWithStyle(srcImg: srcCodeImage, rect: rect)
|
|
|
-
|
|
|
+
|
|
|
if img != nil
|
|
|
{
|
|
|
let imgRotation = imageRotation(image: img!, orientation: UIImage.Orientation.right)
|
|
|
@@ -536,51 +597,51 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
}
|
|
|
return nil
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
//获取二维码的图像区域
|
|
|
- static public func getConcreteCodeRectFromImage(srcCodeImage:UIImage,codeResult:LBXScanResult)->CGRect
|
|
|
+ static public func getConcreteCodeRectFromImage(srcCodeImage: UIImage, codeResult: LBXScanResult) -> CGRect
|
|
|
{
|
|
|
- if (codeResult.arrayCorner == nil || (codeResult.arrayCorner?.count)! < 4 )
|
|
|
+ if (codeResult.arrayCorner == nil || (codeResult.arrayCorner?.count)! < 4)
|
|
|
{
|
|
|
return CGRect.zero
|
|
|
}
|
|
|
-
|
|
|
- let corner:[[String:Float]] = codeResult.arrayCorner as! [[String:Float]]
|
|
|
-
|
|
|
- let dicTopLeft = corner[0]
|
|
|
- let dicTopRight = corner[1]
|
|
|
+
|
|
|
+ let corner: [[String: Float]] = codeResult.arrayCorner as! [[String: Float]]
|
|
|
+
|
|
|
+ let dicTopLeft = corner[0]
|
|
|
+ let dicTopRight = corner[1]
|
|
|
let dicBottomRight = corner[2]
|
|
|
- let dicBottomLeft = corner[3]
|
|
|
-
|
|
|
- let xLeftTopRatio:Float = dicTopLeft["X"]!
|
|
|
- let yLeftTopRatio:Float = dicTopLeft["Y"]!
|
|
|
-
|
|
|
- let xRightTopRatio:Float = dicTopRight["X"]!
|
|
|
- let yRightTopRatio:Float = dicTopRight["Y"]!
|
|
|
-
|
|
|
- let xBottomRightRatio:Float = dicBottomRight["X"]!
|
|
|
- let yBottomRightRatio:Float = dicBottomRight["Y"]!
|
|
|
-
|
|
|
- let xLeftBottomRatio:Float = dicBottomLeft["X"]!
|
|
|
- let yLeftBottomRatio:Float = dicBottomLeft["Y"]!
|
|
|
-
|
|
|
+ let dicBottomLeft = corner[3]
|
|
|
+
|
|
|
+ let xLeftTopRatio: Float = dicTopLeft["X"]!
|
|
|
+ let yLeftTopRatio: Float = dicTopLeft["Y"]!
|
|
|
+
|
|
|
+ let xRightTopRatio: Float = dicTopRight["X"]!
|
|
|
+ let yRightTopRatio: Float = dicTopRight["Y"]!
|
|
|
+
|
|
|
+ let xBottomRightRatio: Float = dicBottomRight["X"]!
|
|
|
+ let yBottomRightRatio: Float = dicBottomRight["Y"]!
|
|
|
+
|
|
|
+ let xLeftBottomRatio: Float = dicBottomLeft["X"]!
|
|
|
+ let yLeftBottomRatio: Float = dicBottomLeft["Y"]!
|
|
|
+
|
|
|
//由于截图只能矩形，所以截图不规则四边形的最大外围
|
|
|
- let xMinLeft = CGFloat( min(xLeftTopRatio, xLeftBottomRatio) )
|
|
|
- let xMaxRight = CGFloat( max(xRightTopRatio, xBottomRightRatio) )
|
|
|
-
|
|
|
- let yMinTop = CGFloat( min(yLeftTopRatio, yRightTopRatio) )
|
|
|
- let yMaxBottom = CGFloat ( max(yLeftBottomRatio, yBottomRightRatio) )
|
|
|
-
|
|
|
+ let xMinLeft = CGFloat(min(xLeftTopRatio, xLeftBottomRatio))
|
|
|
+ let xMaxRight = CGFloat(max(xRightTopRatio, xBottomRightRatio))
|
|
|
+
|
|
|
+ let yMinTop = CGFloat(min(yLeftTopRatio, yRightTopRatio))
|
|
|
+ let yMaxBottom = CGFloat (max(yLeftBottomRatio, yBottomRightRatio))
|
|
|
+
|
|
|
let imgW = srcCodeImage.size.width
|
|
|
let imgH = srcCodeImage.size.height
|
|
|
-
|
|
|
+
|
|
|
//宽高反过来计算
|
|
|
- let rect = CGRect(x: xMinLeft * imgH, y: yMinTop*imgW, width: (xMaxRight-xMinLeft)*imgH, height: (yMaxBottom-yMinTop)*imgW)
|
|
|
+ let rect = CGRect(x: xMinLeft * imgH, y: yMinTop * imgW, width: (xMaxRight - xMinLeft) * imgH, height: (yMaxBottom - yMinTop) * imgW)
|
|
|
return rect
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
//MARK: ----图像处理
|
|
|
-
|
|
|
+
|
|
|
/**
|
|
|
|
|
|
@brief 图像中间加logo图片
|
|
|
@@ -589,72 +650,72 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
@param logoSize logo图像尺寸
|
|
|
@return 加Logo的图像
|
|
|
*/
|
|
|
- static public func addImageLogo(srcImg:UIImage,logoImg:UIImage,logoSize:CGSize )->UIImage
|
|
|
+ static public func addImageLogo(srcImg: UIImage, logoImg: UIImage, logoSize: CGSize) -> UIImage
|
|
|
|
|
|
{
|
|
|
UIGraphicsBeginImageContext(srcImg.size);
|
|
|
srcImg.draw(in: CGRect(x: 0, y: 0, width: srcImg.size.width, height: srcImg.size.height))
|
|
|
- let rect = CGRect(x: srcImg.size.width/2 - logoSize.width/2, y: srcImg.size.height/2-logoSize.height/2, width:logoSize.width, height: logoSize.height);
|
|
|
+ let rect = CGRect(x: srcImg.size.width / 2 - logoSize.width / 2, y: srcImg.size.height / 2 - logoSize.height / 2, width: logoSize.width, height: logoSize.height);
|
|
|
logoImg.draw(in: rect)
|
|
|
let resultingImage = UIGraphicsGetImageFromCurrentImageContext();
|
|
|
UIGraphicsEndImageContext();
|
|
|
return resultingImage!;
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
//图像缩放
|
|
|
- static func resizeImage(image:UIImage,quality:CGInterpolationQuality,rate:CGFloat)->UIImage?
|
|
|
+ static func resizeImage(image: UIImage, quality: CGInterpolationQuality, rate: CGFloat) -> UIImage?
|
|
|
{
|
|
|
- var resized:UIImage?;
|
|
|
- let width = image.size.width * rate;
|
|
|
- let height = image.size.height * rate;
|
|
|
-
|
|
|
+ var resized: UIImage?;
|
|
|
+ let width = image.size.width * rate;
|
|
|
+ let height = image.size.height * rate;
|
|
|
+
|
|
|
UIGraphicsBeginImageContext(CGSize(width: width, height: height));
|
|
|
let context = UIGraphicsGetCurrentContext();
|
|
|
context!.interpolationQuality = quality;
|
|
|
image.draw(in: CGRect(x: 0, y: 0, width: width, height: height))
|
|
|
-
|
|
|
+
|
|
|
resized = UIGraphicsGetImageFromCurrentImageContext();
|
|
|
UIGraphicsEndImageContext();
|
|
|
-
|
|
|
+
|
|
|
return resized;
|
|
|
}
|
|
|
-
|
|
|
-
|
|
|
+
|
|
|
+
|
|
|
//图像裁剪
|
|
|
- static func imageByCroppingWithStyle(srcImg:UIImage,rect:CGRect)->UIImage?
|
|
|
+ static func imageByCroppingWithStyle(srcImg: UIImage, rect: CGRect) -> UIImage?
|
|
|
{
|
|
|
let imageRef = srcImg.cgImage
|
|
|
let imagePartRef = imageRef!.cropping(to: rect)
|
|
|
let cropImage = UIImage(cgImage: imagePartRef!)
|
|
|
-
|
|
|
+
|
|
|
return cropImage
|
|
|
}
|
|
|
//图像旋转
|
|
|
- static func imageRotation(image:UIImage,orientation:UIImage.Orientation)->UIImage
|
|
|
+ static func imageRotation(image: UIImage, orientation: UIImage.Orientation) -> UIImage
|
|
|
{
|
|
|
- var rotate:Double = 0.0;
|
|
|
- var rect:CGRect;
|
|
|
- var translateX:CGFloat = 0.0;
|
|
|
- var translateY:CGFloat = 0.0;
|
|
|
- var scaleX:CGFloat = 1.0;
|
|
|
- var scaleY:CGFloat = 1.0;
|
|
|
-
|
|
|
+ var rotate: Double = 0.0;
|
|
|
+ var rect: CGRect;
|
|
|
+ var translateX: CGFloat = 0.0;
|
|
|
+ var translateY: CGFloat = 0.0;
|
|
|
+ var scaleX: CGFloat = 1.0;
|
|
|
+ var scaleY: CGFloat = 1.0;
|
|
|
+
|
|
|
switch (orientation) {
|
|
|
case UIImage.Orientation.left:
|
|
|
- rotate = .pi/2;
|
|
|
+ rotate = .pi / 2;
|
|
|
rect = CGRect(x: 0, y: 0, width: image.size.height, height: image.size.width);
|
|
|
translateX = 0;
|
|
|
translateY = -rect.size.width;
|
|
|
- scaleY = rect.size.width/rect.size.height;
|
|
|
- scaleX = rect.size.height/rect.size.width;
|
|
|
+ scaleY = rect.size.width / rect.size.height;
|
|
|
+ scaleX = rect.size.height / rect.size.width;
|
|
|
break;
|
|
|
case UIImage.Orientation.right:
|
|
|
- rotate = 3 * .pi/2;
|
|
|
+ rotate = 3 * .pi / 2;
|
|
|
rect = CGRect(x: 0, y: 0, width: image.size.height, height: image.size.width);
|
|
|
translateX = -rect.size.height;
|
|
|
translateY = 0;
|
|
|
- scaleY = rect.size.width/rect.size.height;
|
|
|
- scaleX = rect.size.height/rect.size.width;
|
|
|
+ scaleY = rect.size.width / rect.size.height;
|
|
|
+ scaleX = rect.size.height / rect.size.width;
|
|
|
break;
|
|
|
case UIImage.Orientation.down:
|
|
|
rotate = .pi;
|
|
|
@@ -669,7 +730,7 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
translateY = 0;
|
|
|
break;
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
UIGraphicsBeginImageContext(rect.size);
|
|
|
let context = UIGraphicsGetCurrentContext()!;
|
|
|
//做CTM变换
|
|
|
@@ -677,15 +738,15 @@ open class LBXScanWrapper: NSObject,AVCaptureMetadataOutputObjectsDelegate {
|
|
|
context.scaleBy(x: 1.0, y: -1.0);
|
|
|
context.rotate(by: CGFloat(rotate));
|
|
|
context.translateBy(x: translateX, y: translateY);
|
|
|
-
|
|
|
+
|
|
|
context.scaleBy(x: scaleX, y: scaleY);
|
|
|
//绘制图片
|
|
|
context.draw(image.cgImage!, in: CGRect(x: 0, y: 0, width: rect.size.width, height: rect.size.height))
|
|
|
let newPic = UIGraphicsGetImageFromCurrentImageContext();
|
|
|
-
|
|
|
+
|
|
|
return newPic!;
|
|
|
}
|
|
|
-
|
|
|
+
|
|
|
deinit
|
|
|
{
|
|
|
// print("LBXScanWrapper deinit")
|
fancy
