//
//  ScanViewController
// 
//

#import <UIKit/UIKit.h>
#import <AVFoundation/AVFoundation.h>
#import "DKScanDelegate.h"
@interface ScanViewController : UIViewController<AVCaptureMetadataOutputObjectsDelegate>
{
    int num;
    BOOL upOrdown;
    NSTimer * timer;
}

@property (nonatomic, strong) id<DKScanDelegate> rootVC;
@property (strong,nonatomic) AVCaptureDevice * device;
@property (strong,nonatomic) AVCaptureDeviceInput * input;
@property (strong,nonatomic) AVCaptureMetadataOutput * output;
@property (strong,nonatomic) AVCaptureSession * session;
@property (strong,nonatomic) AVCaptureVideoPreviewLayer * preview;
@property (nonatomic, retain) UIImageView * line;
@end