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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef _BC_GLOBALHISTOGRAMBINARIZER_H_ | 7 #ifndef _BC_GLOBALHISTOGRAMBINARIZER_H_ |
8 #define _BC_GLOBALHISTOGRAMBINARIZER_H_ | 8 #define _BC_GLOBALHISTOGRAMBINARIZER_H_ |
9 class CBC_CommonBinarizer; | 9 class CBC_CommonBinarizer; |
10 class CBC_CommonBitArray; | 10 class CBC_CommonBitArray; |
11 class CBC_CommonBitMatrix; | 11 class CBC_CommonBitMatrix; |
12 class CBC_LuminanceSource; | 12 class CBC_LuminanceSource; |
13 class CBC_GlobalHistogramBinarizer; | 13 class CBC_GlobalHistogramBinarizer; |
14 class CBC_GlobalHistogramBinarizer : public CBC_Binarizer | 14 class CBC_GlobalHistogramBinarizer : public CBC_Binarizer |
15 { | 15 { |
16 public: | 16 public: |
17 CBC_GlobalHistogramBinarizer(CBC_LuminanceSource *source); | 17 CBC_GlobalHistogramBinarizer(CBC_LuminanceSource *source); |
18 virtual ~CBC_GlobalHistogramBinarizer(); | 18 virtual ~CBC_GlobalHistogramBinarizer(); |
19 | 19 |
20 void InitArrays(FX_INT32 luminanceSize); | 20 void InitArrays(FX_INT32 luminanceSize); |
21 CBC_CommonBitMatrix *GetBlackMatrix(FX_INT32 &e); | 21 CBC_CommonBitMatrix *GetBlackMatrix(FX_INT32 &e); |
22 CBC_CommonBitArray *GetBlackRow(FX_INT32 y, CBC_CommonBitArray *row, FX_INT3
2 &e); | 22 CBC_CommonBitArray *GetBlackRow(FX_INT32 y, CBC_CommonBitArray *row, FX_INT3
2 &e); |
23 static FX_INT32 EstimateBlackPoint(CFX_Int32Array &buckets, FX_INT32 &e); | 23 static FX_INT32 EstimateBlackPoint(CFX_Int32Array &buckets, FX_INT32 &e); |
24 private: | 24 private: |
25 CFX_ByteArray m_luminance; | 25 CFX_ByteArray m_luminance; |
26 CFX_Int32Array m_buckets; | 26 CFX_Int32Array m_buckets; |
27 }; | 27 }; |
28 #endif | 28 #endif |
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