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Diffstat (limited to 'xfa/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.h')
| -rw-r--r-- | xfa/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.h b/xfa/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.h new file mode 100644 index 0000000000..d7b56defe9 --- /dev/null +++ b/xfa/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.h @@ -0,0 +1,39 @@ +// 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 XFA_FXBARCODE_PDF417_BC_PDF417ECERRORCORRECTION_H_ +#define XFA_FXBARCODE_PDF417_BC_PDF417ECERRORCORRECTION_H_ + +class CBC_PDF417ECModulusGF; +class CBC_PDF417ECModulusPoly; +class CBC_PDF417ECErrorCorrection { + public: + CBC_PDF417ECErrorCorrection(); + virtual ~CBC_PDF417ECErrorCorrection(); + static void Initialize(int32_t& e); + static void Finalize(); + static int32_t decode(CFX_Int32Array& received, + int32_t numECCodewords, + CFX_Int32Array& erasures, + int32_t& e); + + private: + static CBC_PDF417ECModulusGF* m_field; + static CFX_PtrArray* runEuclideanAlgorithm(CBC_PDF417ECModulusPoly* a, + CBC_PDF417ECModulusPoly* b, + int32_t R, + int32_t& e); + static CFX_Int32Array* findErrorLocations( + CBC_PDF417ECModulusPoly* errorLocator, + int32_t& e); + static CFX_Int32Array* findErrorMagnitudes( + CBC_PDF417ECModulusPoly* errorEvaluator, + CBC_PDF417ECModulusPoly* errorLocator, + CFX_Int32Array& errorLocations, + int32_t& e); +}; + +#endif // XFA_FXBARCODE_PDF417_BC_PDF417ECERRORCORRECTION_H_ |