Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/AffineTransform2D.h @ 1554:6d14ed6163b1
flip x/y in Stone Web viewer
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 17 Aug 2020 16:10:00 +0200 |
| parents | 244ad1e4e76a |
| children | 85e117739eca |
| rev | line source |
|---|---|
| 409 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 409 | 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 | |
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27 #include <Images/ImageAccessor.h> |
| 409 | 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; | |
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59 |
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60 void ConvertToOpenGLMatrix(float target[16], |
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61 unsigned int canvasWidth, |
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62 unsigned int canvasHeight) const; |
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63 |
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64 double ComputeZoom() const; |
| 409 | 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 | |
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80 // transformations are applied right to left: |
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81 // `e` is the first transformation applied and `a` is the last one |
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82 static AffineTransform2D Combine(const AffineTransform2D& a, |
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83 const AffineTransform2D& b, |
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84 const AffineTransform2D& c, |
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85 const AffineTransform2D& d, |
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86 const AffineTransform2D& e); |
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87 |
| 409 | 88 static AffineTransform2D CreateOffset(double dx, |
| 89 double dy); | |
| 90 | |
| 91 static AffineTransform2D CreateScaling(double sx, | |
| 92 double sy); | |
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93 |
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94 static AffineTransform2D CreateRotation(double angle); // CW rotation in radians |
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95 |
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96 static AffineTransform2D CreateRotation(double angle, // CW rotation in radians |
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97 double cx, // rotation center |
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98 double cy); // rotation center |
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99 |
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100 static AffineTransform2D CreateOpenGLClipspace(unsigned int canvasWidth, |
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101 unsigned int canvasHeight); |
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102 |
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103 static AffineTransform2D CreateFlip(bool flipX, |
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104 bool flipY, |
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105 unsigned int width, |
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106 unsigned int height); |
| 409 | 107 }; |
| 108 } |