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_DATAMATRIXBITMATRIXPARSER_H_
8 #define _BC_DATAMATRIXBITMATRIXPARSER_H_
9 class CBC_CommonBitMatrix;
10 class CBC_DataMatrixVersion;
11 class CBC_DataMatrixBitMatrixParser {
12  public:
13   CBC_DataMatrixBitMatrixParser();
14   virtual ~CBC_DataMatrixBitMatrixParser();
15   CBC_DataMatrixVersion* GetVersion();
16   CFX_ByteArray* ReadCodewords(int32_t& e);
17   FX_BOOL ReadModule(int32_t row,
18                      int32_t column,
19                      int32_t numRows,
20                      int32_t numColumns);
21   int32_t ReadUtah(int32_t row,
22                    int32_t column,
23                    int32_t numRows,
24                    int32_t numColumns);
25   int32_t ReadCorner1(int32_t numRows, int32_t numColumns);
26   int32_t ReadCorner2(int32_t numRows, int32_t numColumns);
27   int32_t ReadCorner3(int32_t numRows, int32_t numColumns);
28   int32_t ReadCorner4(int32_t numRows, int32_t numColumns);
29   CBC_CommonBitMatrix* ExtractDataRegion(CBC_CommonBitMatrix* bitMatrix,
30                                          int32_t& e);
31   virtual void Init(CBC_CommonBitMatrix* bitMatrix, int32_t& e);
32 
33  private:
34   static CBC_DataMatrixVersion* ReadVersion(CBC_CommonBitMatrix* bitMatrix,
35                                             int32_t& e);
36   CBC_CommonBitMatrix* m_mappingBitMatrix;
37   CBC_CommonBitMatrix* m_readMappingMatrix;
38   CBC_DataMatrixVersion* m_version;
39 };
40 #endif
41