| // Copyright 2014 PDFium Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 
 |  | 
 | #ifndef FXBARCODE_QRCODE_BC_QRCODERMASKUTIL_H_ | 
 | #define FXBARCODE_QRCODE_BC_QRCODERMASKUTIL_H_ | 
 | class CBC_CommonByteMatrix; | 
 | class CBC_QRCoderMaskUtil { | 
 |  public: | 
 |   CBC_QRCoderMaskUtil(); | 
 |   virtual ~CBC_QRCoderMaskUtil(); | 
 |   static bool GetDataMaskBit(int32_t maskPattern, | 
 |                              int32_t x, | 
 |                              int32_t y, | 
 |                              int32_t& e); | 
 |  | 
 |   static int32_t ApplyMaskPenaltyRule1(CBC_CommonByteMatrix* matrix); | 
 |   static int32_t ApplyMaskPenaltyRule2(CBC_CommonByteMatrix* matrix); | 
 |   static int32_t ApplyMaskPenaltyRule3(CBC_CommonByteMatrix* matrix); | 
 |   static int32_t ApplyMaskPenaltyRule4(CBC_CommonByteMatrix* matrix); | 
 |   static int32_t ApplyMaskPenaltyRule1Internal(CBC_CommonByteMatrix* matrix, | 
 |                                                bool isHorizontal); | 
 | }; | 
 |  | 
 | #endif  // FXBARCODE_QRCODE_BC_QRCODERMASKUTIL_H_ |