//
|
//
|
//
|
//
|
// Created by lbxia on 15/10/21.
|
// Copyright © 2015年 lbxia. All rights reserved.
|
//
|
|
#import "LBXScanViewController.h"
|
|
|
@interface LBXScanViewController ()
|
|
|
@end
|
|
@implementation LBXScanViewController
|
|
|
- (void)viewDidLoad {
|
[super viewDidLoad];
|
// Do any additional setup after loading the view.
|
|
if ([self respondsToSelector:@selector(setEdgesForExtendedLayout:)]) {
|
|
self.edgesForExtendedLayout = UIRectEdgeNone;
|
}
|
|
self.view.backgroundColor = [UIColor blackColor];
|
}
|
|
|
- (void)viewDidAppear:(BOOL)animated
|
{
|
[super viewDidAppear:animated];
|
|
[self drawScanView];
|
|
|
[self performSelector:@selector(startScan) withObject:nil afterDelay:0.2];
|
}
|
|
//绘制扫描区域
|
- (void)drawScanView
|
{
|
if (!_qRScanView)
|
{
|
CGRect rect = self.view.frame;
|
rect.origin = CGPointMake(0, 0);
|
|
self.qRScanView = [[LBXScanView alloc]initWithFrame:rect style:_style];
|
|
[self.view addSubview:_qRScanView];
|
|
}
|
|
[_qRScanView startDeviceReadyingWithText:@"相机启动中"];
|
|
|
}
|
|
- (void)reStartDevice
|
{
|
[_scanObj startScan];
|
}
|
|
//启动设备
|
- (void)startScan
|
{
|
if ( ![LBXScanWrapper isGetCameraPermission] )
|
{
|
[_qRScanView stopDeviceReadying];
|
|
[self showError:@" 请到设置隐私中开启本程序相机权限 "];
|
return;
|
}
|
|
|
|
if (!_scanObj )
|
{
|
__weak __typeof(self) weakSelf = self;
|
// AVMetadataObjectTypeQRCode AVMetadataObjectTypeEAN13Code
|
|
CGRect cropRect = CGRectZero;
|
|
if (_isOpenInterestRect) {
|
|
cropRect = [LBXScanView getScanRectWithPreView:self.view style:_style];
|
}
|
|
UIView *videoView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.view.frame), CGRectGetHeight(self.view.frame))];
|
videoView.backgroundColor = [UIColor clearColor];
|
[self.view insertSubview:videoView atIndex:0];
|
|
self.scanObj = [[LBXScanWrapper alloc]initWithPreView:videoView
|
ArrayObjectType:nil
|
cropRect:cropRect
|
success:^(NSArray<LBXScanResult *> *array){
|
[weakSelf scanResultWithArray:array];
|
}];
|
|
[_scanObj setNeedCaptureImage:_isNeedScanImage];
|
|
[self cameraInitOver];
|
|
}
|
[_scanObj startScan];
|
|
|
[_qRScanView stopDeviceReadying];
|
|
[_qRScanView startScanAnimation];
|
|
self.view.backgroundColor = [UIColor clearColor];
|
}
|
|
- (void)cameraInitOver
|
{
|
|
}
|
|
|
- (void)viewWillDisappear:(BOOL)animated
|
{
|
[super viewWillDisappear:animated];
|
|
[NSObject cancelPreviousPerformRequestsWithTarget:self];
|
|
[_scanObj stopScan];
|
[_qRScanView stopScanAnimation];
|
}
|
|
|
|
#pragma mark -实现类继承该方法，作出对应处理
|
- (void)scanResultWithArray:(NSArray<LBXScanResult*>*)array
|
{
|
|
}
|
|
|
|
|
|
//开关闪光灯
|
- (void)openOrCloseFlash
|
{
|
[_scanObj openOrCloseFlash];
|
|
self.isOpenFlash =!self.isOpenFlash;
|
|
}
|
|
|
#pragma mark --打开相册并识别图片
|
|
/*!
|
* 打开本地照片，选择图片识别
|
*/
|
- (void)openLocalPhoto
|
{
|
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
|
|
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
|
|
picker.delegate = self;
|
|
|
// picker.allowsEditing = YES;
|
|
|
[self presentViewController:picker animated:YES completion:nil];
|
}
|
|
|
|
//当选择一张图片后进入这里
|
|
-(void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
|
{
|
[picker dismissViewControllerAnimated:YES completion:nil];
|
|
__block UIImage* image = [info objectForKey:UIImagePickerControllerEditedImage];
|
|
if (!image){
|
image = [info objectForKey:UIImagePickerControllerOriginalImage];
|
}
|
|
__weak __typeof(self) weakSelf = self;
|
[LBXScanWrapper recognizeImage:image success:^(NSArray<LBXScanResult *> *array) {
|
|
[weakSelf scanResultWithArray:array];
|
}];
|
|
|
|
//系统自带识别方法
|
/*
|
CIDetector *detector = [CIDetector detectorOfType:CIDetectorTypeQRCode context:nil options:@{ CIDetectorAccuracy : CIDetectorAccuracyHigh }];
|
NSArray *features = [detector featuresInImage:[CIImage imageWithCGImage:image.CGImage]];
|
if (features.count >=1)
|
{
|
CIQRCodeFeature *feature = [features objectAtIndex:0];
|
NSString *scanResult = feature.messageString;
|
|
NSLog(@"%@",scanResult);
|
}
|
*/
|
|
|
}
|
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
|
{
|
NSLog(@"cancel");
|
|
[picker dismissViewControllerAnimated:YES completion:nil];
|
}
|
|
//子类继承必须实现的提示
|
- (void)showError:(NSString*)str
|
{
|
|
}
|
|
@end
|
