code_device/hgdriver/ImageProcess/include/zxing/qrcode/FormatInformation.h

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2022-07-29 08:41:34 +00:00
#ifndef __FORMAT_INFORMATION_H__
#define __FORMAT_INFORMATION_H__
/*
* FormatInformation.h
* zxing
*
* Copyright 2010 ZXing authors All rights reserved.
*
* 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.
*/
#include <zxing/qrcode/ErrorCorrectionLevel.h>
#include <zxing/common/Counted.h>
#include <iostream>
namespace zxing {
namespace qrcode {
class FormatInformation : public Counted {
private:
static int FORMAT_INFO_MASK_QR;
static int FORMAT_INFO_DECODE_LOOKUP[][2];
static int N_FORMAT_INFO_DECODE_LOOKUPS;
static int BITS_SET_IN_HALF_BYTE[];
ErrorCorrectionLevel& errorCorrectionLevel_;
char dataMask_;
FormatInformation(int formatInfo);
public:
static int numBitsDiffering(int a, int b);
static Ref<FormatInformation> decodeFormatInformation(int maskedFormatInfo1, int maskedFormatInfo2);
static Ref<FormatInformation> doDecodeFormatInformation(int maskedFormatInfo1, int maskedFormatInfo2);
ErrorCorrectionLevel& getErrorCorrectionLevel();
char getDataMask();
friend bool operator==(const FormatInformation& a, const FormatInformation& b);
friend std::ostream& operator<<(std::ostream& out, const FormatInformation& fi);
};
}
}
#endif // __FORMAT_INFORMATION_H__