mirror of https://github.com/NekoX-Dev/NekoX.git
61 lines
1.5 KiB
Java
Executable File
61 lines
1.5 KiB
Java
Executable File
/*
|
|
* Copyright 2007 ZXing authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package com.google.zxing.qrcode.decoder;
|
|
|
|
/**
|
|
* <p>See ISO 18004:2006, 6.5.1. This enum encapsulates the four error correction levels
|
|
* defined by the QR code standard.</p>
|
|
*
|
|
* @author Sean Owen
|
|
*/
|
|
public enum ErrorCorrectionLevel {
|
|
|
|
/** L = ~7% correction */
|
|
L(0x01),
|
|
/** M = ~15% correction */
|
|
M(0x00),
|
|
/** Q = ~25% correction */
|
|
Q(0x03),
|
|
/** H = ~30% correction */
|
|
H(0x02);
|
|
|
|
private static final ErrorCorrectionLevel[] FOR_BITS = {M, L, H, Q};
|
|
|
|
private final int bits;
|
|
|
|
ErrorCorrectionLevel(int bits) {
|
|
this.bits = bits;
|
|
}
|
|
|
|
public int getBits() {
|
|
return bits;
|
|
}
|
|
|
|
/**
|
|
* @param bits int containing the two bits encoding a QR Code's error correction level
|
|
* @return ErrorCorrectionLevel representing the encoded error correction level
|
|
*/
|
|
public static ErrorCorrectionLevel forBits(int bits) {
|
|
if (bits < 0 || bits >= FOR_BITS.length) {
|
|
throw new IllegalArgumentException();
|
|
}
|
|
return FOR_BITS[bits];
|
|
}
|
|
|
|
|
|
}
|