1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
// 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 _BC_WHITERECTANLEDETECTOR_H_
#define _BC_WHITERECTANLEDETECTOR_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);
const static int32_t INIT_SIZE;
const static int32_t CORR;
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
|
