FWQrcodeScanManager
@interface FWQrcodeScanManager : NSObject
FWQrcodeScanManager
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会话预置,默认为:AVCaptureSessionPreset1920x1080
Declaration
Objective-C
@property (nonatomic, copy) NSString *_Nonnull sessionPreset;
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元对象类型,默认为:AVMetadataObjectTypeQRCode
Declaration
Objective-C
@property (nonatomic, strong) NSArray *_Nonnull metadataObjectTypes;
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扫描范围,默认整个视图(每一个取值 0 ~ 1,以屏幕右上角为坐标原点)
Declaration
Objective-C
@property (nonatomic) CGRect rectOfInterest;
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是否需要样本缓冲代理(光线强弱),默认为:NO
Declaration
Objective-C
@property (nonatomic) BOOL sampleBufferDelegate;
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扫描二维码回调方法
Declaration
Objective-C
@property (nonatomic, copy, nullable) void (^) (NSString *_Nullable __strong) scanResultBlock;
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扫描二维码光线强弱回调方法;调用之前配置属性 sampleBufferDelegate 必须为 YES
Declaration
Objective-C
@property (nonatomic, copy, nullable) void (^)(CGFloat) scanBrightnessBlock;
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创建扫描二维码方法
Declaration
Objective-C
- (void)scanQrcodeWithView:(nonnull UIView *)view;
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开启扫描回调方法
Declaration
Objective-C
- (void)startRunning;
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停止扫描方法
Declaration
Objective-C
- (void)stopRunning;
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打开手电筒
Declaration
Objective-C
+ (void)openFlashlight;
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关闭手电筒
Declaration
Objective-C
+ (void)closeFlashlight;
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配置扫描设备,比如自动聚焦等
Declaration
Objective-C
+ (void)configCaptureDevice: (nonnull void (^)(AVCaptureDevice *_Nonnull __strong))block;
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Undocumented
Declaration
Objective-C
+ (nullable NSString *)scanQrcodeWithImage:(UIImage *)image;
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生成二维码
Declaration
Objective-C
+ (nonnull UIImage *)generateQrcodeWithData:(nonnull NSString *)data size:(CGFloat)size;
Parameters
data
二维码数据
size
二维码大小
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生成二维码(自定义颜色)
Declaration
Objective-C
+ (nonnull UIImage *)generateQrcodeWithData:(nonnull NSString *)data size:(CGFloat)size color:(nonnull UIColor *)color backgroundColor:(nonnull UIColor *)backgroundColor;
Parameters
data
二维码数据
size
二维码大小
color
二维码颜色
backgroundColor
二维码背景颜色
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生成带 logo 的二维码(推荐使用)
Declaration
Objective-C
+ (nonnull UIImage *)generateQrcodeWithData:(nonnull NSString *)data size:(CGFloat)size logoImage:(nullable UIImage *)logoImage ratio:(CGFloat)ratio;
Parameters
data
二维码数据
size
二维码大小
logoImage
logo
ratio
logo 相对二维码的比例(取值范围 0.0 ~ 0.5f)
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+generateQrcodeWithData:
size: logoImage: ratio: logoImageCornerRadius: logoImageBorderWidth: logoImageBorderColor: 生成带 logo 的二维码(拓展)
Declaration
Objective-C
+ (nonnull UIImage *)generateQrcodeWithData:(nonnull NSString *)data size:(CGFloat)size logoImage:(nullable UIImage *)logoImage ratio:(CGFloat)ratio logoImageCornerRadius:(CGFloat)logoImageCornerRadius logoImageBorderWidth:(CGFloat)logoImageBorderWidth logoImageBorderColor: (nullable UIColor *)logoImageBorderColor;
Parameters
data
二维码数据
size
二维码大小
logoImage
logo
ratio
logo 相对二维码的比例(取值范围 0.0 ~ 0.5f)
logoImageCornerRadius
logo 外边框圆角(取值范围 0.0 ~ 10.0f)
logoImageBorderWidth
logo 外边框宽度(取值范围 0.0 ~ 10.0f)
logoImageBorderColor
logo 外边框颜色