597 lines
16 KiB
Objective-C
597 lines
16 KiB
Objective-C
//
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//
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//
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#import "LBXScanViewController.h"
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#import <AssetsLibrary/AssetsLibrary.h>
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#import <Photos/Photos.h>
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@interface LBXScanViewController ()
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@end
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@implementation LBXScanViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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// Do any additional setup after loading the view.
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if ([self respondsToSelector:@selector(setEdgesForExtendedLayout:)]) {
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self.edgesForExtendedLayout = UIRectEdgeNone;
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}
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self.view.backgroundColor = [UIColor blackColor];
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switch (_libraryType) {
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case SLT_Native:
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self.title = @"native";
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break;
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case SLT_ZXing:
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self.title = @"ZXing";
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break;
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case SLT_ZBar:
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self.title = @"ZBar";
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break;
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default:
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break;
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}
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}
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- (void)viewDidAppear:(BOOL)animated
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{
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[super viewDidAppear:animated];
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[self drawScanView];
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[self requestCameraPemissionWithResult:^(BOOL granted) {
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if (granted) {
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//不延时，可能会导致界面黑屏并卡住一会
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[self performSelector:@selector(startScan) withObject:nil afterDelay:0.3];
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}else{
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#ifdef LBXScan_Define_UI
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[self.qRScanView stopDeviceReadying];
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#endif
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}
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}];
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}
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//绘制扫描区域
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- (void)drawScanView
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{
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#ifdef LBXScan_Define_UI
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if (!_qRScanView)
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{
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CGRect rect = self.view.frame;
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rect.origin = CGPointMake(0, 0);
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self.qRScanView = [[LBXScanView alloc]initWithFrame:rect style:_style];
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[self.view addSubview:_qRScanView];
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}
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if (!_cameraInvokeMsg) {
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// _cameraInvokeMsg = NSLocalizedString(@"wating...", nil);
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}
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[_qRScanView startDeviceReadyingWithText:_cameraInvokeMsg];
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#endif
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}
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- (void)reStartDevice
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{
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switch (_libraryType) {
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case SLT_Native:
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{
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#ifdef LBXScan_Define_Native
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[_scanObj startScan];
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#endif
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}
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break;
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case SLT_ZXing:
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{
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#ifdef LBXScan_Define_ZXing
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[_zxingObj start];
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#endif
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}
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break;
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case SLT_ZBar:
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{
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#ifdef LBXScan_Define_ZBar
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[_zbarObj start];
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#endif
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}
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break;
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default:
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break;
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}
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}
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//启动设备
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- (void)startScan
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{
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UIView *videoView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.view.frame), CGRectGetHeight(self.view.frame))];
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videoView.backgroundColor = [UIColor clearColor];
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[self.view insertSubview:videoView atIndex:0];
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__weak __typeof(self) weakSelf = self;
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switch (_libraryType) {
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case SLT_Native:
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{
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#ifdef LBXScan_Define_Native
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if (!_scanObj )
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{
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CGRect cropRect = CGRectZero;
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if (_isOpenInterestRect) {
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//设置只识别框内区域
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cropRect = [LBXScanView getScanRectWithPreView:self.view style:_style];
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}
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NSString *strCode = AVMetadataObjectTypeQRCode;
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if (_scanCodeType != SCT_BarCodeITF ) {
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strCode = [self nativeCodeWithType:_scanCodeType];
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}
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//AVMetadataObjectTypeITF14Code 扫码效果不行,另外只能输入一个码制，虽然接口是可以输入多个码制
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self.scanObj = [[LBXScanNative alloc]initWithPreView:videoView ObjectType:@[strCode] cropRect:cropRect success:^(NSArray<LBXScanResult *> *array) {
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[weakSelf scanResultWithArray:array];
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}];
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[_scanObj setNeedCaptureImage:_isNeedScanImage];
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}
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[_scanObj startScan];
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#endif
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}
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break;
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case SLT_ZXing:
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{
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#ifdef LBXScan_Define_ZXing
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if (!_zxingObj) {
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__weak __typeof(self) weakSelf = self;
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self.zxingObj = [[ZXingWrapper alloc]initWithPreView:videoView block:^(ZXBarcodeFormat barcodeFormat, NSString *str, UIImage *scanImg) {
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LBXScanResult *result = [[LBXScanResult alloc]init];
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result.strScanned = str;
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result.imgScanned = scanImg;
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result.strBarCodeType = [weakSelf convertZXBarcodeFormat:barcodeFormat];
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[weakSelf scanResultWithArray:@[result]];
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}];
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if (_isOpenInterestRect) {
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//设置只识别框内区域
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CGRect cropRect = [LBXScanView getZXingScanRectWithPreView:videoView style:_style];
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[_zxingObj setScanRect:cropRect];
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}
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}
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[_zxingObj start];
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#endif
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}
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break;
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case SLT_ZBar:
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{
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#ifdef LBXScan_Define_ZBar
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if (!_zbarObj) {
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self.zbarObj = [[LBXZBarWrapper alloc]initWithPreView:videoView barCodeType:[self zbarTypeWithScanType:_scanCodeType] block:^(NSArray<LBXZbarResult *> *result) {
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//测试，只使用扫码结果第一项
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LBXZbarResult *firstObj = result[0];
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LBXScanResult *scanResult = [[LBXScanResult alloc]init];
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scanResult.strScanned = firstObj.strScanned;
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scanResult.imgScanned = firstObj.imgScanned;
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scanResult.strBarCodeType = [LBXZBarWrapper convertFormat2String:firstObj.format];
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[weakSelf scanResultWithArray:@[scanResult]];
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}];
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}
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[_zbarObj start];
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#endif
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}
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break;
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default:
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break;
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}
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#ifdef LBXScan_Define_UI
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[_qRScanView stopDeviceReadying];
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[_qRScanView startScanAnimation];
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#endif
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self.view.backgroundColor = [UIColor clearColor];
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}
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#ifdef LBXScan_Define_ZBar
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- (zbar_symbol_type_t)zbarTypeWithScanType:(SCANCODETYPE)type
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{
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//test only ZBAR_I25 effective,why
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return ZBAR_I25;
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// switch (type) {
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// case SCT_QRCode:
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// return ZBAR_QRCODE;
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// break;
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// case SCT_BarCode93:
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// return ZBAR_CODE93;
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// break;
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// case SCT_BarCode128:
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// return ZBAR_CODE128;
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// break;
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// case SCT_BarEAN13:
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// return ZBAR_EAN13;
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// break;
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//
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// default:
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// break;
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// }
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//
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// return (zbar_symbol_type_t)type;
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}
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#endif
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- (void)viewWillDisappear:(BOOL)animated
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{
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[super viewWillDisappear:animated];
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[NSObject cancelPreviousPerformRequestsWithTarget:self];
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[self stopScan];
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#ifdef LBXScan_Define_UI
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[_qRScanView stopScanAnimation];
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#endif
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}
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- (void)stopScan
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{
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switch (_libraryType) {
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case SLT_Native:
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{
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#ifdef LBXScan_Define_Native
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[_scanObj stopScan];
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#endif
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}
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break;
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case SLT_ZXing:
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{
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#ifdef LBXScan_Define_ZXing
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[_zxingObj stop];
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#endif
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}
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break;
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case SLT_ZBar:
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{
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#ifdef LBXScan_Define_ZBar
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[_zbarObj stop];
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#endif
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}
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break;
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default:
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break;
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}
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}
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#pragma mark -扫码结果处理
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- (void)scanResultWithArray:(NSArray<LBXScanResult*>*)array
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{
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//设置了委托的处理
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if (_delegate && array && array.count > 0) {
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[_delegate scanResultWithArray:array];
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}
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//也可以通过继承LBXScanViewController，重写本方法即可
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}
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//开关闪光灯
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- (void)openOrCloseFlash
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{
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switch (_libraryType) {
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case SLT_Native:
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{
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#ifdef LBXScan_Define_Native
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[_scanObj changeTorch];
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#endif
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}
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break;
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case SLT_ZXing:
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{
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#ifdef LBXScan_Define_ZXing
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[_zxingObj openOrCloseTorch];
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#endif
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}
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break;
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case SLT_ZBar:
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{
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#ifdef LBXScan_Define_ZBar
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[_zbarObj openOrCloseFlash];
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#endif
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}
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break;
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default:
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break;
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}
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self.isOpenFlash =!self.isOpenFlash;
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}
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#pragma mark --打开相册并识别图片
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/*!
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* 打开本地照片，选择图片识别
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*/
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- (void)openLocalPhoto:(BOOL)allowsEditing
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{
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UIImagePickerController *picker = [[UIImagePickerController alloc] init];
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picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
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picker.delegate = self;
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//部分机型有问题
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picker.allowsEditing = allowsEditing;
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[self presentViewController:picker animated:YES completion:nil];
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}
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//当选择一张图片后进入这里
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-(void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
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{
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[picker dismissViewControllerAnimated:YES completion:nil];
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__block UIImage* image = [info objectForKey:UIImagePickerControllerEditedImage];
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if (!image){
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image = [info objectForKey:UIImagePickerControllerOriginalImage];
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}
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__weak __typeof(self) weakSelf = self;
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switch (_libraryType) {
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case SLT_Native:
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{
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#ifdef LBXScan_Define_Native
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if ([[[UIDevice currentDevice]systemVersion]floatValue] >= 8.0)
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{
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[LBXScanNative recognizeImage:image success:^(NSArray<LBXScanResult *> *array) {
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[weakSelf scanResultWithArray:array];
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}];
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}
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else
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{
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[self showError:@"native低于ios8.0系统不支持识别图片条码"];
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}
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#endif
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}
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break;
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case SLT_ZXing:
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{
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#ifdef LBXScan_Define_ZXing
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[ZXingWrapper recognizeImage:image block:^(ZXBarcodeFormat barcodeFormat, NSString *str) {
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LBXScanResult *result = [[LBXScanResult alloc]init];
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result.strScanned = str;
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result.imgScanned = image;
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result.strBarCodeType = [self convertZXBarcodeFormat:barcodeFormat];
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[weakSelf scanResultWithArray:@[result]];
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}];
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#endif
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}
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break;
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case SLT_ZBar:
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{
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#ifdef LBXScan_Define_ZBar
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[LBXZBarWrapper recognizeImage:image block:^(NSArray<LBXZbarResult *> *result) {
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//测试，只使用扫码结果第一项
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LBXZbarResult *firstObj = result[0];
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LBXScanResult *scanResult = [[LBXScanResult alloc]init];
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scanResult.strScanned = firstObj.strScanned;
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scanResult.imgScanned = firstObj.imgScanned;
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scanResult.strBarCodeType = [LBXZBarWrapper convertFormat2String:firstObj.format];
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[weakSelf scanResultWithArray:@[scanResult]];
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}];
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#endif
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}
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break;
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default:
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break;
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}
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}
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- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
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{
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NSLog(@"cancel");
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[picker dismissViewControllerAnimated:YES completion:nil];
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}
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#ifdef LBXScan_Define_ZXing
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- (NSString*)convertZXBarcodeFormat:(ZXBarcodeFormat)barCodeFormat
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{
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NSString *strAVMetadataObjectType = nil;
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switch (barCodeFormat) {
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case kBarcodeFormatQRCode:
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strAVMetadataObjectType = AVMetadataObjectTypeQRCode;
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break;
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case kBarcodeFormatEan13:
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strAVMetadataObjectType = AVMetadataObjectTypeEAN13Code;
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break;
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case kBarcodeFormatEan8:
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strAVMetadataObjectType = AVMetadataObjectTypeEAN8Code;
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break;
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case kBarcodeFormatPDF417:
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strAVMetadataObjectType = AVMetadataObjectTypePDF417Code;
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break;
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case kBarcodeFormatAztec:
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strAVMetadataObjectType = AVMetadataObjectTypeAztecCode;
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break;
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case kBarcodeFormatCode39:
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strAVMetadataObjectType = AVMetadataObjectTypeCode39Code;
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break;
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case kBarcodeFormatCode93:
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strAVMetadataObjectType = AVMetadataObjectTypeCode93Code;
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break;
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case kBarcodeFormatCode128:
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strAVMetadataObjectType = AVMetadataObjectTypeCode128Code;
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break;
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case kBarcodeFormatDataMatrix:
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strAVMetadataObjectType = AVMetadataObjectTypeDataMatrixCode;
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break;
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case kBarcodeFormatITF:
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strAVMetadataObjectType = AVMetadataObjectTypeITF14Code;
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break;
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case kBarcodeFormatRSS14:
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break;
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case kBarcodeFormatRSSExpanded:
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break;
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case kBarcodeFormatUPCA:
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break;
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case kBarcodeFormatUPCE:
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strAVMetadataObjectType = AVMetadataObjectTypeUPCECode;
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break;
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default:
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break;
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}
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return strAVMetadataObjectType;
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}
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#endif
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- (NSString*)nativeCodeWithType:(SCANCODETYPE)type
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{
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switch (type) {
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case SCT_QRCode:
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return AVMetadataObjectTypeQRCode;
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break;
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case SCT_BarCode93:
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return AVMetadataObjectTypeCode93Code;
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break;
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case SCT_BarCode128:
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return AVMetadataObjectTypeCode128Code;
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break;
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case SCT_BarCodeITF:
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return @"ITF条码:only ZXing支持";
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break;
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case SCT_BarEAN13:
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return AVMetadataObjectTypeEAN13Code;
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break;
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default:
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return AVMetadataObjectTypeQRCode;
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break;
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}
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}
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- (void)showError:(NSString*)str
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{
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}
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- (void)requestCameraPemissionWithResult:(void(^)( BOOL granted))completion
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{
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if ([AVCaptureDevice respondsToSelector:@selector(authorizationStatusForMediaType:)])
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{
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AVAuthorizationStatus permission =
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[AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
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switch (permission) {
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case AVAuthorizationStatusAuthorized:
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completion(YES);
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break;
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case AVAuthorizationStatusDenied:
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case AVAuthorizationStatusRestricted:
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completion(NO);
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break;
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case AVAuthorizationStatusNotDetermined:
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{
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[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo
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completionHandler:^(BOOL granted) {
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dispatch_async(dispatch_get_main_queue(), ^{
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if (granted) {
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completion(true);
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} else {
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completion(false);
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}
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});
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}];
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}
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break;
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}
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}
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}
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+ (BOOL)photoPermission
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{
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if (@available(iOS 8.0, *)) {
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PHAuthorizationStatus authorStatus = [PHPhotoLibrary authorizationStatus];
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if ( authorStatus == PHAuthorizationStatusDenied ) {
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return NO;
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}
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}else{
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ALAuthorizationStatus author = [ALAssetsLibrary authorizationStatus];
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if ( author == ALAuthorizationStatusDenied ) {
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return NO;
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}
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return YES;
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}
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return NO;
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}
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@end
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