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_PDF417ERRORCORRECTION_H_
8 #define _BC_PDF417ERRORCORRECTION_H_
9 class CBC_PDF417ErrorCorrection {
10  public:
11   CBC_PDF417ErrorCorrection();
12   virtual ~CBC_PDF417ErrorCorrection();
13   static int32_t getErrorCorrectionCodewordCount(int32_t errorCorrectionLevel,
14                                                  int32_t& e);
15   static int32_t getRecommendedMinimumErrorCorrectionLevel(int32_t n,
16                                                            int32_t& e);
17   static CFX_WideString generateErrorCorrection(CFX_WideString dataCodewords,
18                                                 int32_t errorCorrectionLevel,
19                                                 int32_t& e);
20 
21  private:
22   static int32_t EC_COEFFICIENTS[][2500];
23 };
24 #endif
25