二维码扫描和成像，成像带小图标 自定义色值

1. //  
2. //  YYViewController.h  
3. //  Dm  
4. //  
5. //  Created by ＊＊＊ on 14-4-11.  
6. //  Copyright (c) 2014年 ＊＊. All rights reserved.  
7. //  
8.   
9. #import <UIKit/UIKit.h>  
10. #import "ZBarSDK.h"  
11. #import <QuartzCore/QuartzCore.h>  
12. @interface YYViewController : UIViewController<ZBarReaderDelegate,UITextFieldDelegate>  
13.   
14. -(IBAction)btnyy:(id)sender;  
15. -(IBAction)btnsm:(id)sender;  
16. @end  

[objc] view plaincopy

1. //  
2. //  YYViewController.m  
3. //  Dm  
4. //  
5. //  Created by ＊＊ on 14-4-11.  
6. //  Copyright (c) 2014年 ＊＊. All rights reserved.  
7. //  
8.   
9. #import "YYViewController.h"  
10. #import "QRCodeGenerator.h"  
11.   
12. @interface YYViewController ()  
13. {  
14.     IBOutlet UIButton *btnyy;  
15.     IBOutlet UIImageView *img;  
16.     IBOutlet UITextField *sd;  
17. }  
18. @end  
19.   
20. @implementation YYViewController  
21.   
22. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil  
23. {  
24.     self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];  
25.     if (self) {  
26.         // Custom initialization  
27.     }  
28.     return self;  
29. }  
30.   
31. - (void)viewDidLoad  
32. {  
33.     [super viewDidLoad];  
34.     sd.delegate=self;  
35.     // Do any additional setup after loading the view from its nib.  
36. }  
37.   
38. - (void)didReceiveMemoryWarning  
39. {  
40.     [super didReceiveMemoryWarning];  
41.     // Dispose of any resources that can be recreated.  
42. }  
43. -(IBAction)btnsm:(id)sender  
44. {  
45.     /*扫描二维码部分： 
46.      导入ZBarSDK文件并引入一下框架 
47.      AVFoundation.framework 
48.      CoreMedia.framework 
49.      CoreVideo.framework 
50.      QuartzCore.framework 
51.      libiconv.dylib 
52.      引入头文件#import “ZBarSDK.h” 即可使用 
53.      当找到条形码时，会执行代理方法 
54.       
55.      - (void) imagePickerController: (UIImagePickerController*) reader didFinishPickingMediaWithInfo: (NSDictionary*) info 
56.       
57.      最后读取并显示了条形码的图片和内容。*/  
58.     [sd resignFirstResponder];  
59.     if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]){  
60.     ZBarReaderViewController *reader = [ZBarReaderViewController new];  
61.     reader.readerDelegate = self;  
62.     reader.supportedOrientationsMask = ZBarOrientationMaskAll;  
63.       
64.     ZBarImageScanner *scanner = reader.scanner;  
65.       
66.     [scanner setSymbology: ZBAR_I25  
67.                    config: ZBAR_CFG_ENABLE  
68.                        to: 0];  
69.       
70.     [self presentModalViewController: reader  
71.                             animated: YES];  
72.     }  
73.     else  
74.     {  
75.         UIAlertView *aler=[[UIAlertView alloc]initWithTitle:@"Message" message:@"无法打开设备的摄像头！请授权！" delegate:self cancelButtonTitle:nil otherButtonTitles:@"确认", nil nil];  
76.         [aler show];  
77.     }  
78.    
79.   
80.       
81. }  
82. - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation  
83. {  
84.     return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);  
85. }  
86. - (void) imagePickerController: (UIImagePickerController*) reader  
87.  didFinishPickingMediaWithInfo: (NSDictionary*) info  
88. {  
89.       [sd resignFirstResponder];  
90.     id<NSFastEnumeration> results = [info objectForKey: ZBarReaderControllerResults];  
91.     ZBarSymbol *symbol = nil;  
92.     for(symbol in results)  
93.         // EXAMPLE: just grab the first barcode  
94.         break;  
95.       
96.     // EXAMPLE: do something useful with the barcode data  
97.     NSLog(@"%@",symbol.data);  
98.       
99.     img.image =  
100.     [info objectForKey: UIImagePickerControllerOriginalImage];  
101.       
102.     [reader dismissModalViewControllerAnimated: YES];  
103.       
104.     //判断是否包含 头'http:'  
105.     NSString *regex = @"http+:[^\\s]*";  
106.     NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex];  
107.       
108.     //判断是否包含 头'ssid:'  
109.     NSString *ssid = @"ssid+:[^\\s]*";;  
110.     NSPredicate *ssidPre = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",ssid];  
111.       
112.     sd.text =  symbol.data ;  
113.       
114.     if ([predicate evaluateWithObject:sd.text]) {  
115.           
116.         UIAlertView * alert = [[UIAlertView alloc]initWithTitle:nil  
117.                                                         message:@"It will use the browser to this URL。"  
118.                                                        delegate:nil  
119.                                               cancelButtonTitle:@"Close"  
120.                                               otherButtonTitles:@"Ok", nil nil];  
121.         alert.delegate = self;  
122.         alert.tag=1;  
123.         [alert show];  
124.    
125.           
126.     }  
127.     else if([ssidPre evaluateWithObject:sd.text]){  
128.           
129.         NSArray *arr = [sd.text componentsSeparatedByString:@";"];  
130.           
131.         NSArray * arrInfoHead = [[arr objectAtIndex:0] componentsSeparatedByString:@":"];  
132.           
133.         NSArray * arrInfoFoot = [[arr objectAtIndex:1] componentsSeparatedByString:@":"];  
134.           
135.           
136.         sd.text=  
137.         [NSString stringWithFormat:@"ssid: %@ \n password:%@",  
138.          [arrInfoHead objectAtIndex:1],[arrInfoFoot objectAtIndex:1]];  
139.           
140.           
141.         UIAlertView * alert = [[UIAlertView alloc]initWithTitle:sd.text  
142.                                                         message:@"The password is copied to the clipboard , it will be redirected to the network settings interface"  
143.                                                        delegate:nil  
144.                                               cancelButtonTitle:@"Close"  
145.                                               otherButtonTitles:@"Ok", nil nil];  
146.           
147.           
148.         alert.delegate = self;  
149.         alert.tag=2;  
150.         [alert show];  
151.    
152.         UIPasteboard *pasteboard=[UIPasteboard generalPasteboard];  
153.         //        然后，可以使用如下代码来把一个字符串放置到剪贴板上：  
154.         pasteboard.string = [arrInfoFoot objectAtIndex:1];  
155.           
156.           
157.     }  
158.       
159. }  
160. -(BOOL)textFieldShouldReturn:(UITextField *)textField  
161. {  
162.     [textField resignFirstResponder];  
163.     return YES;  
164. }  
165. -(IBAction)btnyy:(id)sender  
166. {  
167.     [sd resignFirstResponder];  
168.     UIImage *imgs=[UIImage imageNamed:@"1xx.png"];  
169.     img.image = [QRCodeGenerator qrImageForString:sd.text imageSize:img.bounds.size.width Topimg:imgs];  
170. //    img.image= [QRCodeGenerator  qrImageForString:sd.text imageSize:img.frame.size.width withPointType:0 withPositionType:0 withColor:[UIColor redColor]];  
171. }  
172.   
173. @end