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Diffstat (limited to 'xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h')
| -rw-r--r-- | xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h b/xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h new file mode 100644 index 0000000000..747a4ceb5d --- /dev/null +++ b/xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h @@ -0,0 +1,63 @@ +// 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_PDF417DECODEDBITSTREAMPARSER_H_ +#define XFA_FXBARCODE_PDF417_BC_PDF417DECODEDBITSTREAMPARSER_H_ + +#include "core/include/fxcrt/fx_basic.h" +#include "core/include/fxcrt/fx_string.h" + +class CBC_CommonDecoderResult; +class CBC_PDF417ResultMetadata; + +class CBC_DecodedBitStreamPaser { + public: + CBC_DecodedBitStreamPaser(); + virtual ~CBC_DecodedBitStreamPaser(); + static void Initialize(); + static void Finalize(); + static CBC_CommonDecoderResult* decode(CFX_Int32Array& codewords, + CFX_ByteString ecLevel, + int32_t& e); + + private: + enum Mode { ALPHA, LOWER, MIXED, PUNCT, ALPHA_SHIFT, PUNCT_SHIFT }; + static int32_t MAX_NUMERIC_CODEWORDS; + static int32_t PL; + static int32_t LL; + static int32_t AS; + static int32_t ML; + static int32_t AL; + static int32_t PS; + static int32_t PAL; + static FX_CHAR PUNCT_CHARS[29]; + static FX_CHAR MIXED_CHARS[30]; + static int32_t NUMBER_OF_SEQUENCE_CODEWORDS; + static int32_t decodeMacroBlock(CFX_Int32Array& codewords, + int32_t codeIndex, + CBC_PDF417ResultMetadata* resultMetadata, + int32_t& e); + static int32_t textCompaction(CFX_Int32Array& codewords, + int32_t codeIndex, + CFX_ByteString& result); + static void decodeTextCompaction(CFX_Int32Array& textCompactionData, + CFX_Int32Array& byteCompactionData, + int32_t length, + CFX_ByteString& result); + static int32_t byteCompaction(int32_t mode, + CFX_Int32Array& codewords, + int32_t codeIndex, + CFX_ByteString& result); + static int32_t numericCompaction(CFX_Int32Array& codewords, + int32_t codeIndex, + CFX_ByteString& result, + int32_t& e); + static CFX_ByteString decodeBase900toBase10(CFX_Int32Array& codewords, + int32_t count, + int32_t& e); +}; + +#endif // XFA_FXBARCODE_PDF417_BC_PDF417DECODEDBITSTREAMPARSER_H_ |