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Diffstat (limited to 'xfa/fxbarcode/common/BC_WhiteRectangleDetector.h')
| -rw-r--r-- | xfa/fxbarcode/common/BC_WhiteRectangleDetector.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h b/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h new file mode 100644 index 0000000000..3d6c01ceff --- /dev/null +++ b/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h @@ -0,0 +1,54 @@ +// 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_WHITERECTANGLEDETECTOR_H_ +#define XFA_FXBARCODE_COMMON_BC_WHITERECTANGLEDETECTOR_H_ + +#include "core/include/fxcrt/fx_basic.h" + +class CBC_CommonBitMatrix; +class CBC_ResultPoint; + +class CBC_WhiteRectangleDetector { + public: + CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image); + CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image, + int32_t initSize, + int32_t x, + int32_t y); + virtual ~CBC_WhiteRectangleDetector(); + CFX_PtrArray* Detect(int32_t& e); + virtual void Init(int32_t& e); + + private: + int32_t Round(float d); + CBC_ResultPoint* GetBlackPointOnSegment(FX_FLOAT aX, + FX_FLOAT aY, + FX_FLOAT bX, + FX_FLOAT bY); + int32_t DistanceL2(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY); + CFX_PtrArray* CenterEdges(CBC_ResultPoint* y, + CBC_ResultPoint* z, + CBC_ResultPoint* x, + CBC_ResultPoint* t); + FX_BOOL ContainsBlackPoint(int32_t a, + int32_t b, + int32_t fixed, + FX_BOOL horizontal); + + static const int32_t INIT_SIZE = 30; + static const int32_t CORR = 1; + + CBC_CommonBitMatrix* m_image; + int32_t m_height; + int32_t m_width; + int32_t m_leftInit; + int32_t m_rightInit; + int32_t m_downInit; + int32_t m_upInit; +}; + +#endif // XFA_FXBARCODE_COMMON_BC_WHITERECTANGLEDETECTOR_H_ |