LBXZBarWrapper.m

//
//  LBXZBarWrapper.m
//  LBXScanDemo
//
//  Created by lbxia on 2017/1/5.
//  Copyright © 2017年 lbx. All rights reserved.
//

#import "LBXZBarWrapper.h"


@implementation LBXZbarResult
@end

@interface LBXZBarWrapper()<ZBarReaderViewDelegate>
@property (nonatomic, strong) ZBarReaderView *readerView;
@property (nonatomic, copy) void (^success)(NSArray<LBXZbarResult*> *result);
@end

@implementation LBXZBarWrapper


- (instancetype)initWithPreView:(UIView*)preView barCodeType:(zbar_symbol_type_t)barCodeType block:(void(^)(NSArray<LBXZbarResult*> *result))block
{
    if (self = [super init])
    {
        self.success = block;
        
        self.readerView= [[ZBarReaderView alloc]init];
        _readerView.frame = CGRectMake(0,0, preView.frame.size.width, preView.frame.size.height);
        _readerView.tracksSymbols=NO;
        _readerView.readerDelegate =self;
       
        //关闭闪光灯
        _readerView.torchMode = 0;
        
        //二维码/条形码识别设置
        [self changeBarCode:barCodeType];
        
        [preView addSubview:_readerView];
    }
    return self;
}

- (void)changeBarCode:(zbar_symbol_type_t)zbarFormat
{
    //二维码/条形码识别设置
    ZBarImageScanner *scanner = _readerView.scanner;
    [scanner setSymbology: zbarFormat
                   config: ZBAR_CFG_ENABLE
                       to: 1];
}

- (void)start
{
    [_readerView start];
}

-(void)stop
{
    [_readerView stop];
}

- (void)openOrCloseFlash
{
    _readerView.torchMode = 1 - _readerView.torchMode;
}

#pragma mark -- ZBarReaderViewDelegate

- (void) readerView: (ZBarReaderView*) readerView  didReadSymbols: (ZBarSymbolSet*) symbols  fromImage: (UIImage*) image
{
    if (!_continuous) {
        [self stop];
    }
    
    
    ZBarSymbol *symbol = nil;
    
    NSMutableArray *array = [[NSMutableArray alloc]initWithCapacity:1];
    for (symbol in symbols) {
        
        NSString* strCode = symbol.data;
        zbar_symbol_type_t format = symbol.type;
        
        LBXZbarResult *result = [LBXZbarResult new];
        result.strScanned = strCode;
        result.imgScanned = image;
        result.format = format;
        result.bounds = symbol.bounds;
        
        [array addObject:result];
    }
    
    if (_success) {
        _success(array);
    }
}

+ (void)recognizeImage:(UIImage*)image block:(void(^)(NSArray<LBXZbarResult*> *result))block
{
    UIImage * aImage = image;
    ZBarReaderController *read = [ZBarReaderController new];
    CGImageRef cgImageRef = aImage.CGImage;
    ZBarSymbol* symbol = nil;
    
    NSMutableArray *array = [[NSMutableArray alloc]initWithCapacity:1];
    
    for(symbol in [read scanImage:cgImageRef]){
       
        NSString* strCode = symbol.data;
        zbar_symbol_type_t format = symbol.type;
        
        LBXZbarResult *result = [LBXZbarResult new];
        result.strScanned = strCode;
        result.imgScanned = image;
        result.format = format;
        
        [array addObject:result];
    }

    if (block) {
        block(array);
    }
}

+ (NSString*)convertFormat2String:(zbar_symbol_type_t)format
{
    NSString* str = @"";
    switch (format) {
        case ZBAR_NONE:
            str = @"ZBAR_NONE";
            break;
        case ZBAR_PARTIAL:
            str = @"ZBAR_PARTIAL";
            break;
        case ZBAR_EAN2:
            str = @"ZBAR_EAN2";
            break;
        case ZBAR_EAN5:
            str = @"ZBAR_EAN5";
            break;
        case ZBAR_EAN8:
            str = @"ZBAR_EAN8";
            break;
        case ZBAR_ISBN10:
            str = @"ZBAR_ISBN10";
            break;
        case ZBAR_UPCA:
            str = @"ZBAR_UPCA";
            break;
        case ZBAR_EAN13:
            str = @"ZBAR_EAN13";
            break;
        case ZBAR_ISBN13:
            str = @"ZBAR_ISBN13";
            break;
        case ZBAR_COMPOSITE:
            str = @"ZBAR_COMPOSITE";
            break;
        case ZBAR_I25:
            str = @"ZBAR_I25";
            break;
        case ZBAR_DATABAR:
            str = @"ZBAR_DATABAR";
            break;
        case ZBAR_DATABAR_EXP:
            str = @"ZBAR_DATABAR_EXP";
            break;
        case ZBAR_CODE39:
            str = @"ZBAR_CODE39";
            break;
        case ZBAR_QRCODE:
            str = @"ZBAR_QRCODE";
            break;
        case ZBAR_PDF417:
            str = @"ZBAR_PDF417";
            break;
        case ZBAR_CODE93:
            str = @"ZBAR_CODE93";
            break;
        case ZBAR_CODE128:
            str = @"ZBAR_CODE128";
            break;
        case ZBAR_SYMBOL:
            str = @"ZBAR_SYMBOL";
            break;
        case ZBAR_ADDON2:
            str = @"ZBAR_ADDON2";
            break;
        case ZBAR_ADDON5:
            str = @"ZBAR_ADDON5";
            break;
        case ZBAR_ADDON:
            str = @"ZBAR_ADDON";
            break;
        default:
            break;
    }
    
    return str;
}





@end