1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef _BC_QRCODERFORMATINFORMATION_H_
8 #define _BC_QRCODERFORMATINFORMATION_H_
9 class CBC_QRCoderErrorCorrectionLevel;
10 class CBC_QRCoderFormatInformation {
11  private:
12   const static int32_t FORMAT_INFO_MASK_QR;
13   const static int32_t FORMAT_INFO_DECODE_LOOKUP[32][2];
14   const static int32_t BITS_SET_IN_HALF_BYTE[16];
15   CBC_QRCoderErrorCorrectionLevel* m_errorCorrectLevl;
16   uint8_t m_dataMask;
17 
18  public:
19   CBC_QRCoderFormatInformation(int32_t formatInfo);
20   virtual ~CBC_QRCoderFormatInformation();
21   uint8_t GetDataMask();
22   CBC_QRCoderErrorCorrectionLevel* GetErrorCorrectionLevel();
23 
24   static int32_t NumBitsDiffering(int32_t a, int32_t b);
25   static CBC_QRCoderFormatInformation* DecodeFormatInformation(
26       int32_t maskedFormatInfo);
27   static CBC_QRCoderFormatInformation* DoDecodeFormatInformation(
28       int32_t maskedFormatInfo);
29 };
30 #endif
31