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iOS查看图片中是否包含二维码

iOS查看图片中是否包含二维码

作者: MMOTE | 来源:发表于2019-07-31 18:39 被阅读0次

UIImage *pickedImage = selectPhotos[0];
CIImage *detectImage = [CIImage imageWithData:UIImagePNGRepresentation(pickedImage)];
CIDetector *detector = [CIDetector detectorOfType:CIDetectorTypeQRCode context:nil options:@{CIDetectorAccuracy: CIDetectorAccuracyLow}];
CIQRCodeFeature *feature = (CIQRCodeFeature *)[detector featuresInImage:detectImage options:nil].firstObject;
if (feature.messageString) {
DLog(@"存在QR");
}else{
DLog(@"不存在QR");
}

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