1 #ifndef __FORMAT_INFORMATION_H__
2 #define __FORMAT_INFORMATION_H__
8 * Copyright 2010 ZXing authors All rights reserved.
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
14 * http://www.apache.org/licenses/LICENSE-2.0
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
23 #include <zxing/qrcode/ErrorCorrectionLevel.h>
24 #include <zxing/common/Counted.h>
30 class FormatInformation : public Counted {
32 static int FORMAT_INFO_MASK_QR;
33 static int FORMAT_INFO_DECODE_LOOKUP[][2];
34 static int N_FORMAT_INFO_DECODE_LOOKUPS;
35 static int BITS_SET_IN_HALF_BYTE[];
37 ErrorCorrectionLevel &errorCorrectionLevel_;
38 unsigned char dataMask_;
40 FormatInformation(int formatInfo);
43 static int numBitsDiffering(unsigned int a, unsigned int b);
44 static Ref<FormatInformation> decodeFormatInformation(int rawFormatInfo);
45 static Ref<FormatInformation> doDecodeFormatInformation(int rawFormatInfo);
46 ErrorCorrectionLevel &getErrorCorrectionLevel();
47 unsigned char getDataMask();
48 friend bool operator==(const FormatInformation &a, const FormatInformation &b);
49 friend std::ostream& operator<<(std::ostream& out, const FormatInformation& fi);
54 #endif // __FORMAT_INFORMATION_H__