diff options
Diffstat (limited to 'xfa/src/fxbarcode/oned/BC_OneDReader.h')
| -rw-r--r-- | xfa/src/fxbarcode/oned/BC_OneDReader.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OneDReader.h b/xfa/src/fxbarcode/oned/BC_OneDReader.h new file mode 100644 index 0000000000..45585d44c5 --- /dev/null +++ b/xfa/src/fxbarcode/oned/BC_OneDReader.h @@ -0,0 +1,46 @@ +// 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_ONEDREADER_H_ +#define _BC_ONEDREADER_H_ +class CBC_Reader; +class CBC_BinaryBitmap; +class CBC_CommonBitArray; +class CBC_OneDReader; +class CBC_OneDReader : public CBC_Reader { + public: + CBC_OneDReader(); + virtual ~CBC_OneDReader(); + virtual CFX_ByteString Decode(CBC_BinaryBitmap* image, int32_t& e); + virtual CFX_ByteString Decode(CBC_BinaryBitmap* image, + int32_t hints, + int32_t& e); + virtual CFX_ByteString DecodeRow(int32_t rowNumber, + CBC_CommonBitArray* row, + int32_t hints, + int32_t& e) { + return ""; + } + + private: + CFX_ByteString DeDecode(CBC_BinaryBitmap* image, int32_t hints, int32_t& e); + + protected: + const static int32_t INTEGER_MATH_SHIFT; + const static int32_t PATTERN_MATCH_RESULT_SCALE_FACTOR; + void RecordPattern(CBC_CommonBitArray* row, + int32_t start, + CFX_Int32Array* counters, + int32_t& e); + void RecordPatternInReverse(CBC_CommonBitArray* row, + int32_t start, + CFX_Int32Array* counters, + int32_t& e); + int32_t PatternMatchVariance(CFX_Int32Array* counters, + const int32_t* pattern, + int32_t maxIndividualVariance); +}; +#endif |