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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// 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_COMMONPERSPECTIVETRANSFORM_H_
#define _BC_COMMONPERSPECTIVETRANSFORM_H_
class CBC_CommonPerspectiveTransform {
public:
CBC_CommonPerspectiveTransform(FX_FLOAT a11,
FX_FLOAT a21,
FX_FLOAT a31,
FX_FLOAT a12,
FX_FLOAT a22,
FX_FLOAT a32,
FX_FLOAT a13,
FX_FLOAT a23,
FX_FLOAT a33);
virtual ~CBC_CommonPerspectiveTransform();
static CBC_CommonPerspectiveTransform* QuadrilateralToQuadrilateral(
FX_FLOAT x0,
FX_FLOAT y0,
FX_FLOAT x1,
FX_FLOAT y1,
FX_FLOAT x2,
FX_FLOAT y2,
FX_FLOAT x3,
FX_FLOAT y3,
FX_FLOAT x0p,
FX_FLOAT y0p,
FX_FLOAT x1p,
FX_FLOAT y1p,
FX_FLOAT x2p,
FX_FLOAT y2p,
FX_FLOAT x3p,
FX_FLOAT y3p);
static CBC_CommonPerspectiveTransform* SquareToQuadrilateral(FX_FLOAT x0,
FX_FLOAT y0,
FX_FLOAT x1,
FX_FLOAT y1,
FX_FLOAT x2,
FX_FLOAT y2,
FX_FLOAT x3,
FX_FLOAT y3);
static CBC_CommonPerspectiveTransform* QuadrilateralToSquare(FX_FLOAT x0,
FX_FLOAT y0,
FX_FLOAT x1,
FX_FLOAT y1,
FX_FLOAT x2,
FX_FLOAT y2,
FX_FLOAT x3,
FX_FLOAT y3);
CBC_CommonPerspectiveTransform* BuildAdjoint();
CBC_CommonPerspectiveTransform* Times(CBC_CommonPerspectiveTransform& other);
void TransformPoints(CFX_FloatArray* points);
private:
FX_FLOAT m_a11, m_a12, m_a13, m_a21, m_a22, m_a23, m_a31, m_a32, m_a33;
};
#endif
|
