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Diffstat (limited to 'xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h')
| -rw-r--r-- | xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h b/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h new file mode 100644 index 0000000000..da13cac402 --- /dev/null +++ b/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h @@ -0,0 +1,34 @@ +// 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 XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ +#define XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ + +#include "core/include/fxcrt/fx_basic.h" +#include "xfa/fxbarcode/BC_Binarizer.h" + +class CBC_CommonBitArray; +class CBC_CommonBitMatrix; +class CBC_LuminanceSource; + +class CBC_GlobalHistogramBinarizer : public CBC_Binarizer { + public: + CBC_GlobalHistogramBinarizer(CBC_LuminanceSource* source); + virtual ~CBC_GlobalHistogramBinarizer(); + + void InitArrays(int32_t luminanceSize); + CBC_CommonBitMatrix* GetBlackMatrix(int32_t& e); + CBC_CommonBitArray* GetBlackRow(int32_t y, + CBC_CommonBitArray* row, + int32_t& e); + static int32_t EstimateBlackPoint(CFX_Int32Array& buckets, int32_t& e); + + private: + CFX_ByteArray m_luminance; + CFX_Int32Array m_buckets; +}; + +#endif // XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ |