#import "CsZBar.h" #import "AlmaZBarReaderViewController.h" #import "WLScanViewController.h" #import #import #pragma mark - State @interface CsZBar () @property bool scanInProgress; @property NSString *scanCallbackId; @property WLScanViewController *scanReader; @property(nonatomic, strong) UIView *maskView; @property(nonatomic, strong) UIView *scanView; @property(nonatomic, strong) NSString *tip; @property(nonatomic, assign) CGSize tipSize; @property(nonatomic, assign) CGFloat statusHeight; @property(nonatomic, strong) UIView *lineView; @property(nonatomic, strong) NSString *imgBaseStr; @end #pragma mark - Synthesize @implementation CsZBar @synthesize scanInProgress; @synthesize scanCallbackId; @synthesize scanReader; #pragma mark - Cordova Plugin - (void)pluginInitialize { self.scanInProgress = NO; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didChangeRotate:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil]; } - (void)dealloc { [[NSNotificationCenter defaultCenter] removeObserver:self]; } - (void)willRotateToInterfaceOrientation: (UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration { return; } #pragma mark 禁止横屏 - (BOOL)shouldAutorotate { return NO; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation { return (toInterfaceOrientation == UIInterfaceOrientationMaskPortrait); } - (NSUInteger)supportedInterfaceOrientations { return UIInterfaceOrientationMaskPortrait; } #pragma mark - Lazy - (NSString *)tip { if (nil == _tip) { _tip = @"请对准二维码"; } return _tip; } - (CGSize)tipSize { if (CGSizeEqualToSize(_tipSize, CGSizeZero)) { _tipSize = [self.tip sizeWithFont:[UIFont boldSystemFontOfSize:16.0] constrainedToSize:CGSizeMake(200, MAXFLOAT)]; } NSLog(@"tip size === %f", _tipSize.height); return _tipSize; } - (CGFloat)statusHeight { if (0 == _statusHeight) { //获取状态栏的rect CGRect statusRect = [[UIApplication sharedApplication] statusBarFrame]; _statusHeight = statusRect.size.height; } return _statusHeight; } #pragma mark - Plugin API - (void)scan:(CDVInvokedUrlCommand *)command; { NSArray *arguments = command.arguments; if (arguments.count > 0) { NSDictionary *dict = arguments.firstObject; self.tip = dict[@"text_title"]; self.imgBaseStr = dict[@"text_instructions"]; } if (self.scanInProgress) { [self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"A scan is already in progress."] callbackId:[command callbackId]]; } else { self.scanInProgress = YES; self.scanCallbackId = [command callbackId]; self.scanReader = [[WLScanViewController alloc] init]; self.scanReader.isOpenInterestRect = YES; self.scanReader.delegate = self; // Get user parameters NSDictionary *params = (NSDictionary *) [command argumentAtIndex:0]; NSString *camera = params[@"camera"]; CGRect screenRect = [[UIScreen mainScreen] bounds]; CGFloat screenWidth = screenRect.size.width; CGFloat screenHeight = screenRect.size.height; BOOL drawSight = params[@"drawSight"] ? [params[@"drawSight"] boolValue] : true; CGFloat dim = screenWidth < screenHeight ? screenWidth / 1.1 : screenHeight / 1.1; UIView *polygonView = [[UIView alloc] initWithFrame:CGRectMake((screenWidth / 2) - (dim / 2), (screenHeight / 2) - (dim / 2), dim, dim)]; UIButton *backButton = [[UIButton alloc] initWithFrame:CGRectMake(16, 6 + self.statusHeight, 34, 34)]; [backButton setImage:[UIImage imageNamed:@"icon_back_white_34x34.png"] forState:UIControlStateNormal]; [backButton addTarget:self action:@selector(backButtonClicked) forControlEvents:UIControlEventTouchUpInside]; [self.scanReader.view addSubview:backButton]; [backButton mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(self.scanReader.view.mas_top) .mas_offset(6 + self.statusHeight); make.left.mas_equalTo(self.scanReader.view.mas_left).mas_offset(16); make.width.mas_equalTo(34); make.height.mas_equalTo(34); }]; UILabel *tipLabel = [[UILabel alloc] init]; [tipLabel setFont:[UIFont boldSystemFontOfSize:16.0]]; tipLabel.text = self.tip; [tipLabel setTextColor:[UIColor whiteColor]]; tipLabel.numberOfLines = 0; [tipLabel setTextAlignment:NSTextAlignmentCenter]; [self.scanReader.view addSubview:tipLabel]; CGFloat masOffset = 0; if ([UIScreen mainScreen].bounds.size.height > 667) { // masOffset = -self.statusHeight - 6 - 34; masOffset = -self.statusHeight - 6; } [tipLabel mas_makeConstraints:^(MASConstraintMaker *make) { make.centerX.mas_equalTo(self.scanReader.view.mas_centerX); make.centerY.mas_equalTo(self.scanReader.view.mas_centerY); make.width.mas_equalTo(self.scanReader.view.mas_width); }]; [tipLabel.superview layoutIfNeeded]; CGFloat imageX = screenWidth * 0.15; CGFloat imageY = screenWidth * 0.15 + 64; CGFloat scanW = [UIScreen mainScreen].bounds.size.width > 350 ? 250 : 200; CGFloat scanH = scanW; CGRect maskRect = CGRectMake((self.scanReader.view.frame.size.width - scanW) * 0.5, 6 + 34 + self.statusHeight, scanW, scanH); CGFloat marginY = (self.scanReader.view.frame.size.height - 6 - 34 - self.statusHeight - self.tipSize.height) * 0.5 - scanH - 20; UIView *scanImage = [[UIView alloc] init]; scanImage.frame = maskRect; [self.scanReader.view addSubview:scanImage]; [scanImage mas_makeConstraints:^(MASConstraintMaker *make) { make.width.mas_equalTo(scanW); make.height.mas_equalTo(scanH); make.bottom.mas_equalTo(tipLabel.mas_top).mas_offset(-20); make.centerX.mas_equalTo(self.scanReader.view.mas_centerX); }]; [scanImage.superview layoutIfNeeded]; maskRect = scanImage.frame; UIView *lineView = [[UIView alloc] init]; lineView.frame = CGRectMake(0, 0, scanH + 10, 2); CAGradientLayer *gl = [CAGradientLayer layer]; gl.frame = lineView.frame; gl.startPoint = CGPointMake(0.5, 0); gl.endPoint = CGPointMake(0.5, 1); gl.colors = @[ (__bridge id) [UIColor colorWithRed:118 / 255.0 green:213 / 255.0 blue:213 / 255.0 alpha:1.0] .CGColor, (__bridge id) [UIColor colorWithRed:65 / 255.0 green:170 / 255.0 blue:170 / 255.0 alpha:1.0] .CGColor ]; gl.locations = @[@(0), @(1.0f)]; [lineView.layer addSublayer:gl]; lineView.layer.cornerRadius = 1; [scanImage addSubview:lineView]; self.lineView = lineView; self.scanView = scanImage; [lineView mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(scanImage.mas_top).mas_offset(1); make.centerX.mas_equalTo(scanImage.mas_centerX); make.width.mas_equalTo(scanH + 10); make.height.mas_equalTo(2); }]; [lineView.superview layoutIfNeeded]; //添加全屏的黑色半透明蒙版 UIView *maskView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.scanReader.view.frame.size.width, self.scanReader.view.frame.size.height)]; maskView.backgroundColor = [UIColor colorWithWhite:0.0 alpha:0.5]; [self.scanReader.view addSubview:maskView]; [maskView mas_makeConstraints:^(MASConstraintMaker *make) { make.left.mas_equalTo(self.scanReader.view.mas_left); make.right.mas_equalTo(self.scanReader.view.mas_right); make.top.mas_equalTo(self.scanReader.view.mas_top); make.bottom.mas_equalTo(self.scanReader.view.mas_bottom); }]; self.maskView = maskView; [maskView.superview layoutIfNeeded]; UIBlurEffect *blur = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight]; UIVisualEffectView *effectView = [[UIVisualEffectView alloc] initWithEffect:blur]; effectView.frame = maskView.frame; effectView.alpha = 0.9; [maskView addSubview:effectView]; [effectView mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.mas_equalTo(maskView); }]; [scanImage layoutIfNeeded]; NSURL *imageUrl = [NSURL URLWithString:self.imgBaseStr]; UIImageView *tipImageView = [[UIImageView alloc] initWithImage:[UIImage imageWithData:[NSData dataWithContentsOfURL:imageUrl]]]; tipImageView.layer.cornerRadius = 10.0; tipImageView.layer.masksToBounds = YES; [self.scanReader.view addSubview:tipImageView]; if (self.imgBaseStr.length > 1) { tipImageView.hidden = false; } else { tipImageView.hidden = true; } [tipImageView mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(tipLabel.mas_bottom).mas_offset(20); make.centerX.mas_equalTo(self.scanReader.view.mas_centerX); make.width.mas_equalTo(scanW); make.height.mas_equalTo(scanH); }]; [tipImageView setContentMode:UIViewContentModeScaleAspectFit]; [tipImageView.superview layoutIfNeeded]; //从蒙版中扣出扫描框那一块,这块的大小尺寸将来也设成扫描输出的作用域大小 UIBezierPath *maskPath = [UIBezierPath bezierPathWithRect:self.scanReader.view.bounds]; UIBezierPath *appendPath = [UIBezierPath bezierPathWithRoundedRect:maskRect cornerRadius:10.0]; [maskPath appendPath:[appendPath bezierPathByReversingPath]]; CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init]; maskLayer.path = maskPath.CGPath; maskView.layer.mask = maskLayer; [self.scanReader.view bringSubviewToFront:backButton]; [self.scanReader.view bringSubviewToFront:scanImage]; [self.scanReader.view bringSubviewToFront:tipImageView]; [self.scanReader.view bringSubviewToFront:tipLabel]; CGRect sc = [self getScanRectWithPreView:self.scanReader.view]; self.scanReader.cropRect = sc; self.scanReader.modalPresentationStyle = UIModalPresentationFullScreen; [self.viewController presentViewController:self.scanReader animated:YES completion:^{ [self startAnim]; }]; } } - (void)startAnim { [UIView animateWithDuration:2.5 delay:0 options:UIViewAnimationOptionRepeat animations:^{ [self.lineView mas_updateConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(self.scanView.mas_top) .mas_offset(self.scanView.frame.size.height - 2); }]; [self.lineView.superview layoutIfNeeded]; } completion:nil]; } - (void)backButtonClicked { self.scanInProgress = NO; [self.scanReader dismissViewControllerAnimated:YES completion:nil]; } //根据矩形区域，获取识别区域 - (CGRect)getScanRectWithPreView:(UIView *)view { [self.scanView layoutIfNeeded]; int XRetangleLeft = self.scanView.frame.origin.x; CGSize sizeRetangle = CGSizeMake(view.frame.size.width - XRetangleLeft * 2, view.frame.size.width - XRetangleLeft * 2); //扫码区域Y轴最小坐标 CGFloat my = (view.frame.size.height - self.scanView.frame.size.height ) * 0.5 - self.scanView.frame.origin.y; CGFloat YMinRetangle = view.frame.size.height / 2.0 - sizeRetangle.height / 2.0 - my; //扫码区域坐标 CGRect cropRect = CGRectMake(XRetangleLeft, YMinRetangle, sizeRetangle.width, sizeRetangle.height); //计算兴趣区域 CGRect rectOfInterest; CGSize size = view.bounds.size; CGFloat p1 = size.height / size.width; CGFloat p2 = 1920. / 1080.; //使用了1080p的图像输出 if (p1 < p2) { CGFloat fixHeight = size.width * 1920. / 1080.; CGFloat fixPadding = (fixHeight - size.height) / 2; rectOfInterest = CGRectMake((cropRect.origin.y + fixPadding) / fixHeight, cropRect.origin.x / size.width, cropRect.size.height / fixHeight, cropRect.size.width / size.width); } else { CGFloat fixWidth = size.height * 1080. / 1920.; CGFloat fixPadding = (fixWidth - size.width) / 2; rectOfInterest = CGRectMake(cropRect.origin.y / size.height, (cropRect.origin.x + fixPadding) / fixWidth, cropRect.size.height / size.height, cropRect.size.width / fixWidth); } return rectOfInterest; } //根据矩形区域，获取zxing识别区域 - (CGRect)getZXingScanRectWithPreView:(UIView *)view { [self.scanView layoutIfNeeded]; int XRetangleLeft = self.scanView.frame.origin.x; CGSize sizeRetangle = CGSizeMake(view.frame.size.width - XRetangleLeft * 2, view.frame.size.width - XRetangleLeft * 2); //扫码区域Y轴最小坐标 CGFloat my = (view.frame.size.height - self.scanView.frame.size.height - self.scanView.frame.origin.y) * 0.5; CGFloat YMinRetangle = view.frame.size.height / 2.0 - sizeRetangle.height / 2.0 - my; XRetangleLeft = XRetangleLeft / view.frame.size.width * 1080; YMinRetangle = YMinRetangle / view.frame.size.height * 1920; CGFloat width = sizeRetangle.width / view.frame.size.width * 1080; CGFloat height = sizeRetangle.height / view.frame.size.height * 1920; //扫码区域坐标 CGRect cropRect = CGRectMake(XRetangleLeft, YMinRetangle, width, height); return cropRect; } - (CGRect)getPortraitModeScanCropRect:(CGRect)overlayCropRect forOverlayView:(UIView *)readerView { CGRect scanCropRect = CGRectMake(0, 0, 1, 1); /*default full screen*/ float x = overlayCropRect.origin.x; float y = overlayCropRect.origin.y; float width = overlayCropRect.size.width; float height = overlayCropRect.size.height; float A = y / readerView.bounds.size.height; float B = 1 - (x + width) / readerView.bounds.size.width; float C = (y + height) / readerView.bounds.size.height; float D = 1 - x / readerView.bounds.size.width; scanCropRect = CGRectMake(A, B, C, D); return scanCropRect; } #pragma mark - Helpers - (void)sendScanResult:(CDVPluginResult *)result { [self.commandDelegate sendPluginResult:result callbackId:self.scanCallbackId]; } #pragma mark - WLScanViewControllerDelegate - (void)scanResultWithArray:(NSArray *)array { if (!array || array.count < 1) { // 没扫到 [self.scanReader dismissViewControllerAnimated:YES completion:^(void) { self.scanInProgress = NO; [self sendScanResult: [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"Failed"]]; }]; return; } //经测试，可以ZXing同时识别2个二维码，不能同时识别二维码和条形码 LBXScanResult *scanResult = array[0]; NSString *strResult = scanResult.strScanned; if (!strResult) { // 没扫到 [self.scanReader dismissViewControllerAnimated:YES completion:^(void) { self.scanInProgress = NO; [self sendScanResult: [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"Failed"]]; }]; return; } [self.scanReader dismissViewControllerAnimated:YES completion:^(void) { self.scanInProgress = NO; [self sendScanResult: [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsString:strResult]]; }]; } #pragma mark - ZBarReaderDelegate - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo { return; } - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { if ([self.scanReader isBeingDismissed]) { return; } id results = [info objectForKey:ZBarReaderControllerResults]; ZBarSymbol *symbol = nil; for (symbol in results) break; // get the first result [self.scanReader dismissViewControllerAnimated:YES completion:^(void) { self.scanInProgress = NO; [self sendScanResult: [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsString:symbol.data]]; }]; } - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker { [self.scanReader dismissViewControllerAnimated:YES completion:^(void) { self.scanInProgress = NO; [self sendScanResult: [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"cancelled"]]; }]; } - (void)readerControllerDidFailToRead:(ZBarReaderController *)reader withRetry:(BOOL)retry { [self.scanReader dismissViewControllerAnimated:YES completion:^(void) { self.scanInProgress = NO; [self sendScanResult: [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"Failed"]]; }]; } @end