rxing 0.9.2

A rust port of the zxing barcode library.
Documentation 
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/*
* Copyright 2016 Nu-book Inc.
* Copyright 2016 ZXing authors
*/
// SPDX-License-Identifier: Apache-2.0

use crate::qrcode::common::ErrorCorrectionLevel;

impl ErrorCorrectionLevel {
    pub fn ECLevelFromBitsSigned(bits: i8, isMicro: bool) -> Self {
        if isMicro {
            let LEVEL_FOR_BITS: [ErrorCorrectionLevel; 8] = [
                ErrorCorrectionLevel::L,
                ErrorCorrectionLevel::L,
                ErrorCorrectionLevel::M,
                ErrorCorrectionLevel::L,
                ErrorCorrectionLevel::M,
                ErrorCorrectionLevel::L,
                ErrorCorrectionLevel::M,
                ErrorCorrectionLevel::Q,
            ];
            return LEVEL_FOR_BITS[bits as usize & 0x07];
        }
        let LEVEL_FOR_BITS: [ErrorCorrectionLevel; 4] = [
            ErrorCorrectionLevel::M,
            ErrorCorrectionLevel::L,
            ErrorCorrectionLevel::H,
            ErrorCorrectionLevel::Q,
        ];
        LEVEL_FOR_BITS[bits as usize & 0x3]
    }

    pub fn ECLevelFromBits(bits: u8, isMicro: bool) -> Self {
        Self::ECLevelFromBitsSigned(bits as i8, isMicro)
    }
}