// 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 _BC_PDF417CODEWORDDECODER_H_ #define _BC_PDF417CODEWORDDECODER_H_ class CBC_PDF417CodewordDecoder; #define column 8 class CBC_PDF417Common; class CBC_PDF417CodewordDecoder { public: CBC_PDF417CodewordDecoder(); virtual ~CBC_PDF417CodewordDecoder(); static void Initialize(); static void Finalize(); static int32_t getDecodedValue(CFX_Int32Array& moduleBitCount); private: static FX_FLOAT RATIOS_TABLE[][8]; static CFX_Int32Array* sampleBitCounts(CFX_Int32Array& moduleBitCount); static int32_t getDecodedCodewordValue(CFX_Int32Array& moduleBitCount); static int32_t getBitValue(CFX_Int32Array& moduleBitCount); static int32_t getClosestDecodedValue(CFX_Int32Array& moduleBitCount); }; #endif