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| 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 XFA_SRC_FXBARCODE_PDF417_BC_PDF417DECODEDBITSTREAMPARSER_H_ | |
| 8 #define XFA_SRC_FXBARCODE_PDF417_BC_PDF417DECODEDBITSTREAMPARSER_H_ | |
| 9 | |
| 10 #include "core/include/fxcrt/fx_basic.h" | |
| 11 #include "core/include/fxcrt/fx_string.h" | |
| 12 | |
| 13 class CBC_CommonDecoderResult; | |
| 14 class CBC_PDF417ResultMetadata; | |
| 15 | |
| 16 class CBC_DecodedBitStreamPaser { | |
| 17 public: | |
| 18 CBC_DecodedBitStreamPaser(); | |
| 19 virtual ~CBC_DecodedBitStreamPaser(); | |
| 20 static void Initialize(); | |
| 21 static void Finalize(); | |
| 22 static CBC_CommonDecoderResult* decode(CFX_Int32Array& codewords, | |
| 23 CFX_ByteString ecLevel, | |
| 24 int32_t& e); | |
| 25 | |
| 26 private: | |
| 27 enum Mode { ALPHA, LOWER, MIXED, PUNCT, ALPHA_SHIFT, PUNCT_SHIFT }; | |
| 28 static int32_t MAX_NUMERIC_CODEWORDS; | |
| 29 static int32_t PL; | |
| 30 static int32_t LL; | |
| 31 static int32_t AS; | |
| 32 static int32_t ML; | |
| 33 static int32_t AL; | |
| 34 static int32_t PS; | |
| 35 static int32_t PAL; | |
| 36 static FX_CHAR PUNCT_CHARS[29]; | |
| 37 static FX_CHAR MIXED_CHARS[30]; | |
| 38 static int32_t NUMBER_OF_SEQUENCE_CODEWORDS; | |
| 39 static int32_t decodeMacroBlock(CFX_Int32Array& codewords, | |
| 40 int32_t codeIndex, | |
| 41 CBC_PDF417ResultMetadata* resultMetadata, | |
| 42 int32_t& e); | |
| 43 static int32_t textCompaction(CFX_Int32Array& codewords, | |
| 44 int32_t codeIndex, | |
| 45 CFX_ByteString& result); | |
| 46 static void decodeTextCompaction(CFX_Int32Array& textCompactionData, | |
| 47 CFX_Int32Array& byteCompactionData, | |
| 48 int32_t length, | |
| 49 CFX_ByteString& result); | |
| 50 static int32_t byteCompaction(int32_t mode, | |
| 51 CFX_Int32Array& codewords, | |
| 52 int32_t codeIndex, | |
| 53 CFX_ByteString& result); | |
| 54 static int32_t numericCompaction(CFX_Int32Array& codewords, | |
| 55 int32_t codeIndex, | |
| 56 CFX_ByteString& result, | |
| 57 int32_t& e); | |
| 58 static CFX_ByteString decodeBase900toBase10(CFX_Int32Array& codewords, | |
| 59 int32_t count, | |
| 60 int32_t& e); | |
| 61 }; | |
| 62 | |
| 63 #endif // XFA_SRC_FXBARCODE_PDF417_BC_PDF417DECODEDBITSTREAMPARSER_H_ | |
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Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master