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 FXBARCODE_DATAMATRIX_BC_SYMBOLINFO_H_
8 #define FXBARCODE_DATAMATRIX_BC_SYMBOLINFO_H_
9 
10 #include "core/fxcrt/fx_system.h"
11 
12 class CBC_SymbolInfo {
13  public:
14   struct Data {
15     int16_t data_capacity;
16     int16_t error_codewords;
17     int16_t rs_block_data;
18     int8_t rs_block_error;
19     int8_t matrix_width;
20     int8_t matrix_height;
21     int8_t data_regions;
22   };
23 
24   virtual ~CBC_SymbolInfo();
25 
26   static void Initialize();
27   static void Finalize();
28   static const CBC_SymbolInfo* Lookup(size_t data_codewords,
29                                       bool allow_rectangular);
30 
31   int32_t GetSymbolDataWidth() const;
32   int32_t GetSymbolDataHeight() const;
33   int32_t GetSymbolWidth() const;
34   int32_t GetSymbolHeight() const;
35   virtual size_t GetInterleavedBlockCount() const;
36   size_t GetDataLengthForInterleavedBlock() const;
37   size_t GetErrorLengthForInterleavedBlock() const;
38 
data_capacity()39   size_t data_capacity() const { return data_->data_capacity; }
error_codewords()40   size_t error_codewords() const { return data_->error_codewords; }
matrix_width()41   int32_t matrix_width() const { return data_->matrix_width; }
matrix_height()42   int32_t matrix_height() const { return data_->matrix_height; }
43 
44  protected:
45   explicit CBC_SymbolInfo(const Data* data);
46 
47  private:
48   int32_t GetHorizontalDataRegions() const;
49   int32_t GetVerticalDataRegions() const;
is_rectangular()50   bool is_rectangular() const {
51     return data_->matrix_width != data_->matrix_height;
52   }
53 
54   const Data* const data_;
55 };
56 
57 #endif  // FXBARCODE_DATAMATRIX_BC_SYMBOLINFO_H_
58