Question

我们怎样才能在相机上带矩形条码扫描，就像扫描红色激光一样？有没有内置房产？我试过以下：

 reader.readerView.tracksSymbols = YES;
reader.readerView.trackingColor = [UIColor redColor];

[reader setShowsZBarControls:NO];
reader.readerView.tracksSymbols = TRUE;
scanner.accessibilityFrame = CGRectMake(100, 100, 200, 300);

Answer 1

在相机视图中添加rectange作为叠加层。这是代码：

- (IBAction) scanButtonTapped
    {
        // ADD: present a barcode reader that scans from the camera feed
        ZBarReaderViewController *reader = [ZBarReaderViewController new];
        reader.readerDelegate = self;
        reader.supportedOrientationsMask = ZBarOrientationMaskAll;

        ZBarImageScanner *scanner = reader.scanner;
        reader.showsZBarControls = NO;

        [scanner setSymbology: ZBAR_I25
                       config: ZBAR_CFG_ENABLE
                           to: 0];
        // present and release the controller
        [self presentModalViewController: reader
                                animated: YES];
        reader.cameraOverlayView = [self CommomOverlay];
        [reader release];
    }


-(UIView*)CommomOverlay{  
        UIView* view = [[UIView alloc] initWithFrame:CGRectMake(0,0,320,480)];
       UIImageView *FrameImg = [[UIImageView alloc] initWithFrame:CGRectMake(70,160,203,180)];
        [FrameImg setImage:[UIImage imageNamed:@"overlaygraphic.png"]];
       [view addSubview:FrameImg];
        return view;
    }

希望这会对你有所帮助.. :)

Answer 2

你试过吗

 reader.cameraOverlayView = overLayView;

??即cameraOverlayView的{{1}}属性。在那里你可以设置你想要的东西。希望这是你想要的。

矩形在ZBar扫描仪中引入相机？

2 个答案: