Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/AffineTransform2D.h @ 1739:9ac2a65d4172
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2021 17:50:00 +0100 |
| parents | 8563ea5d8ae4 |
| children | 3889ae96d2e9 |
| 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) 2017-2021 Osimis S.A., Belgium |
| 409 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
| 409 | 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 | |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
| 409 | 16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
| 409 | 20 **/ |
| 21 | |
| 22 | |
| 23 #pragma once | |
| 24 | |
| 25 #include "../StoneEnumerations.h" | |
| 26 #include "LinearAlgebra.h" | |
| 27 | |
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28 #include <Images/ImageAccessor.h> |
| 409 | 29 |
| 30 namespace OrthancStone | |
| 31 { | |
| 32 class AffineTransform2D | |
| 33 { | |
| 34 private: | |
| 35 Matrix matrix_; | |
| 36 | |
| 37 public: | |
| 38 AffineTransform2D(); | |
| 39 | |
| 40 // The matrix must be 3x3, without perspective effects | |
| 1571 | 41 explicit AffineTransform2D(const Matrix& m); |
| 409 | 42 |
| 43 AffineTransform2D(const AffineTransform2D& other) : | |
| 44 matrix_(other.matrix_) | |
| 45 { | |
| 46 } | |
| 47 | |
| 48 const Matrix& GetHomogeneousMatrix() const | |
| 49 { | |
| 50 return matrix_; | |
| 51 } | |
| 52 | |
| 53 void Apply(double& x /* inout */, | |
| 54 double& y /* inout */) const; | |
| 55 | |
| 56 void Apply(Orthanc::ImageAccessor& target, | |
| 57 const Orthanc::ImageAccessor& source, | |
| 58 ImageInterpolation interpolation, | |
| 59 bool clear) const; | |
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60 |
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61 void ConvertToOpenGLMatrix(float target[16], |
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62 unsigned int canvasWidth, |
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63 unsigned int canvasHeight) const; |
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64 |
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65 double ComputeZoom() const; |
| 409 | 66 |
| 67 static AffineTransform2D Invert(const AffineTransform2D& a); | |
| 68 | |
| 69 static AffineTransform2D Combine(const AffineTransform2D& a, | |
| 70 const AffineTransform2D& b); | |
| 71 | |
| 72 static AffineTransform2D Combine(const AffineTransform2D& a, | |
| 73 const AffineTransform2D& b, | |
| 74 const AffineTransform2D& c); | |
| 75 | |
| 76 static AffineTransform2D Combine(const AffineTransform2D& a, | |
| 77 const AffineTransform2D& b, | |
| 78 const AffineTransform2D& c, | |
| 79 const AffineTransform2D& d); | |
| 80 | |
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81 // transformations are applied right to left: |
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82 // `e` is the first transformation applied and `a` is the last one |
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83 static AffineTransform2D Combine(const AffineTransform2D& a, |
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84 const AffineTransform2D& b, |
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85 const AffineTransform2D& c, |
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86 const AffineTransform2D& d, |
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87 const AffineTransform2D& e); |
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88 |
| 409 | 89 static AffineTransform2D CreateOffset(double dx, |
| 90 double dy); | |
| 91 | |
| 92 static AffineTransform2D CreateScaling(double sx, | |
| 93 double sy); | |
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94 |
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95 static AffineTransform2D CreateRotation(double angle); // CW rotation in radians |
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96 |
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97 static AffineTransform2D CreateRotation(double angle, // CW rotation in radians |
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98 double cx, // rotation center |
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99 double cy); // rotation center |
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100 |
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101 static AffineTransform2D CreateOpenGLClipspace(unsigned int canvasWidth, |
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102 unsigned int canvasHeight); |
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103 |
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104 static AffineTransform2D CreateFlip(bool flipX, |
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105 bool flipY, |
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106 unsigned int width, |
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107 unsigned int height); |
| 409 | 108 }; |
| 109 } |