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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_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ | |
| 8 #define XFA_SRC_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ | |
| 9 | |
| 10 #include "core/include/fxcrt/fx_basic.h" | |
| 11 #include "xfa/src/fxbarcode/BC_Binarizer.h" | |
| 12 | |
| 13 class CBC_CommonBitArray; | |
| 14 class CBC_CommonBitMatrix; | |
| 15 class CBC_LuminanceSource; | |
| 16 | |
| 17 class CBC_GlobalHistogramBinarizer : public CBC_Binarizer { | |
| 18 public: | |
| 19 CBC_GlobalHistogramBinarizer(CBC_LuminanceSource* source); | |
| 20 virtual ~CBC_GlobalHistogramBinarizer(); | |
| 21 | |
| 22 void InitArrays(int32_t luminanceSize); | |
| 23 CBC_CommonBitMatrix* GetBlackMatrix(int32_t& e); | |
| 24 CBC_CommonBitArray* GetBlackRow(int32_t y, | |
| 25 CBC_CommonBitArray* row, | |
| 26 int32_t& e); | |
| 27 static int32_t EstimateBlackPoint(CFX_Int32Array& buckets, int32_t& e); | |
| 28 | |
| 29 private: | |
| 30 CFX_ByteArray m_luminance; | |
| 31 CFX_Int32Array m_buckets; | |
| 32 }; | |
| 33 | |
| 34 #endif // XFA_SRC_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ | |
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