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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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