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_ONEDCODA128READER_H_
8 #define _BC_ONEDCODA128READER_H_
9 class CBC_OneDReader;
10 class CBC_CommonBitArray;
11 class CBC_OnedCoda128Reader;
12 class CBC_OnedCode128Reader : public CBC_OneDReader {
13  public:
14   CBC_OnedCode128Reader();
15   virtual ~CBC_OnedCode128Reader();
16   virtual CFX_ByteString DecodeRow(int32_t rowNumber,
17                                    CBC_CommonBitArray* row,
18                                    int32_t hints,
19                                    int32_t& e);
20   const static int32_t CODE_PATTERNS[107][7];
21   const static int32_t MAX_AVG_VARIANCE;
22   const static int32_t MAX_INDIVIDUAL_VARIANCE;
23 
24   const static int32_t CODE_SHIFT;
25   const static int32_t CODE_CODE_C;
26   const static int32_t CODE_CODE_B;
27   const static int32_t CODE_CODE_A;
28   const static int32_t CODE_FNC_1;
29   const static int32_t CODE_FNC_2;
30   const static int32_t CODE_FNC_3;
31   const static int32_t CODE_FNC_4_A;
32   const static int32_t CODE_FNC_4_B;
33 
34   const static int32_t CODE_START_A;
35   const static int32_t CODE_START_B;
36   const static int32_t CODE_START_C;
37   const static int32_t CODE_STOP;
38 
39  private:
40   CFX_Int32Array* FindStartPattern(CBC_CommonBitArray* row, int32_t& e);
41   int32_t DecodeCode(CBC_CommonBitArray* row,
42                      CFX_Int32Array* counters,
43                      int32_t rowOffset,
44                      int32_t& e);
45 };
46 #endif
47