Mercurial > hg > orthanc-stone

comparison OrthancStone/Sources/Toolbox/AffineTransform2D.h @ 1512:244ad1e4e76a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
reorganization of folders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:21:02 +0200
parents Framework/Toolbox/AffineTransform2D.h@30deba7bc8e2
children 6d14ed6163b1
comparison
equal deleted inserted replaced
1511:9dfeee74c1e6 1512:244ad1e4e76a
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #pragma once
23
24 #include "../StoneEnumerations.h"
25 #include "LinearAlgebra.h"
26
27 #include <Images/ImageAccessor.h>
28
29 namespace OrthancStone
30 {
31 class AffineTransform2D
32 {
33 private:
34 Matrix matrix_;
35
36 public:
37 AffineTransform2D();
38
39 // The matrix must be 3x3, without perspective effects
40 AffineTransform2D(const Matrix& m);
41
42 AffineTransform2D(const AffineTransform2D& other) :
43 matrix_(other.matrix_)
44 {
45 }
46
47 const Matrix& GetHomogeneousMatrix() const
48 {
49 return matrix_;
50 }
51
52 void Apply(double& x /* inout */,
53 double& y /* inout */) const;
54
55 void Apply(Orthanc::ImageAccessor& target,
56 const Orthanc::ImageAccessor& source,
57 ImageInterpolation interpolation,
58 bool clear) const;
59
60 void ConvertToOpenGLMatrix(float target[16],
61 unsigned int canvasWidth,
62 unsigned int canvasHeight) const;
63
64 double ComputeZoom() const;
65
66 static AffineTransform2D Invert(const AffineTransform2D& a);
67
68 static AffineTransform2D Combine(const AffineTransform2D& a,
69 const AffineTransform2D& b);
70
71 static AffineTransform2D Combine(const AffineTransform2D& a,
72 const AffineTransform2D& b,
73 const AffineTransform2D& c);
74
75 static AffineTransform2D Combine(const AffineTransform2D& a,
76 const AffineTransform2D& b,
77 const AffineTransform2D& c,
78 const AffineTransform2D& d);
79
80 // transformations are applied right to left:
81 // `e` is the first transformation applied and `a` is the last one
82 static AffineTransform2D Combine(const AffineTransform2D& a,
83 const AffineTransform2D& b,
84 const AffineTransform2D& c,
85 const AffineTransform2D& d,
86 const AffineTransform2D& e);
87
88 static AffineTransform2D CreateOffset(double dx,
89 double dy);
90
91 static AffineTransform2D CreateScaling(double sx,
92 double sy);
93
94 static AffineTransform2D CreateRotation(double angle); // CW rotation in radians
95
96 static AffineTransform2D CreateRotation(double angle, // CW rotation in radians
97 double cx, // rotation center
98 double cy); // rotation center
99
100 static AffineTransform2D CreateOpenGLClipspace(unsigned int canvasWidth,
101 unsigned int canvasHeight);
102 };
103 }