83 lines
2.4 KiB
Objective-C
83 lines
2.4 KiB
Objective-C
//
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// QrCodeViewController.m
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// Unity-iPhone
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//
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// Created by zhl on 2022/11/24.
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//
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#import "QrCodeViewController.h"
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#include "LBXScanNative.h"
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@interface QrCodeViewController ()
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@property (weak, nonatomic) IBOutlet UIImageView *scanImg;
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@property (weak, nonatomic) IBOutlet UIView *container;
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@property (weak, nonatomic) IBOutlet UILabel *titleLabel;
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@property (weak, nonatomic) IBOutlet UIButton *closeBtn;
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@property (weak, nonatomic) IBOutlet UITextView *textView;
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@end
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@implementation QrCodeViewController
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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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[_closeBtn addTarget:self action:@selector(dismissSelf:) forControlEvents:UIControlEventTouchUpInside];
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self.container.backgroundColor = [UIColor whiteColor];
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self.container.layer.shadowOffset = CGSizeMake(0, 2);
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self.container.layer.shadowRadius = 2;
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self.container.layer.shadowColor = [UIColor blackColor].CGColor;
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self.container.layer.shadowOpacity = 0.5;
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}
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/*
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#pragma mark - Navigation
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// In a storyboard-based application, you will often want to do a little preparation before navigation
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- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
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// Get the new view controller using [segue destinationViewController].
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// Pass the selected object to the new view controller.
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}
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*/
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- (void)viewWillAppear:(BOOL)animated
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{
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[super viewWillAppear:animated];
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if (!_imgScan) {
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_scanImg.backgroundColor = [UIColor grayColor];
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if (_content) {
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CGSize _size = _scanImg.frame.size;
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_imgScan = [LBXScanNative createQRWithString:_content QRSize:_size];
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}
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}
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_titleLabel.text = _tipTitle;
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_scanImg.image = _imgScan;
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if (_autosave) {
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[self saveToPhotoLibrary];
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}
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}
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// save qr image to Camera Roll album
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-(void) saveToPhotoLibrary {
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UIGraphicsBeginImageContextWithOptions(self.container.bounds.size, NO, 0);
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CGContextRef ctx = UIGraphicsGetCurrentContext();
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[self.container.layer renderInContext:ctx];
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UIImage * newImage = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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UIImageWriteToSavedPhotosAlbum(newImage, self, @selector(image:didFinishSavingWithError:contextInfo:), NULL);
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}
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- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo
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{
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if (error) {
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NSLog(@"保存失败");
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} else {
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NSLog(@"保存成功");
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}
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}
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-(void)dismissSelf:(UIButton *)button{
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[self dismissViewControllerAnimated:YES completion:nil];
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}
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@end
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