Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/AffineTransform2D.h @ 2012:637d6373127a
width of the vertical slider has doubled to ease user interactions
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 02 Dec 2022 18:49:06 +0100 |
| parents | e8b9a2ba1df1 |
| children | 07964689cb0b |
| rev | line source |
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| 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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 409 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
| 409 | 10 * as published by the Free Software Foundation, either version 3 of |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
| 409 | 17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 409 | 21 **/ |
| 22 | |
| 23 | |
| 24 #pragma once | |
| 25 | |
| 26 #include "../StoneEnumerations.h" | |
| 27 #include "LinearAlgebra.h" | |
| 28 | |
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29 #include <Images/ImageAccessor.h> |
| 409 | 30 |
| 31 namespace OrthancStone | |
| 32 { | |
| 33 class AffineTransform2D | |
| 34 { | |
| 35 private: | |
| 36 Matrix matrix_; | |
| 37 | |
| 38 public: | |
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39 AffineTransform2D(); // Create the identity transform |
| 409 | 40 |
| 41 // The matrix must be 3x3, without perspective effects | |
| 1571 | 42 explicit AffineTransform2D(const Matrix& m); |
| 409 | 43 |
| 44 AffineTransform2D(const AffineTransform2D& other) : | |
| 45 matrix_(other.matrix_) | |
| 46 { | |
| 47 } | |
| 48 | |
| 49 const Matrix& GetHomogeneousMatrix() const | |
| 50 { | |
| 51 return matrix_; | |
| 52 } | |
| 53 | |
| 54 void Apply(double& x /* inout */, | |
| 55 double& y /* inout */) const; | |
| 56 | |
| 57 void Apply(Orthanc::ImageAccessor& target, | |
| 58 const Orthanc::ImageAccessor& source, | |
| 59 ImageInterpolation interpolation, | |
| 60 bool clear) const; | |
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61 |
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62 void ConvertToOpenGLMatrix(float target[16], |
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63 unsigned int canvasWidth, |
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64 unsigned int canvasHeight) const; |
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65 |
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66 double ComputeZoom() const; |
| 409 | 67 |
| 68 static AffineTransform2D Invert(const AffineTransform2D& a); | |
| 69 | |
| 70 static AffineTransform2D Combine(const AffineTransform2D& a, | |
| 71 const AffineTransform2D& b); | |
| 72 | |
| 73 static AffineTransform2D Combine(const AffineTransform2D& a, | |
| 74 const AffineTransform2D& b, | |
| 75 const AffineTransform2D& c); | |
| 76 | |
| 77 static AffineTransform2D Combine(const AffineTransform2D& a, | |
| 78 const AffineTransform2D& b, | |
| 79 const AffineTransform2D& c, | |
| 80 const AffineTransform2D& d); | |
| 81 | |
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82 // transformations are applied right to left: |
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83 // `e` is the first transformation applied and `a` is the last one |
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84 static AffineTransform2D Combine(const AffineTransform2D& a, |
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85 const AffineTransform2D& b, |
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86 const AffineTransform2D& c, |
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87 const AffineTransform2D& d, |
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88 const AffineTransform2D& e); |
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89 |
| 409 | 90 static AffineTransform2D CreateOffset(double dx, |
| 91 double dy); | |
| 92 | |
| 93 static AffineTransform2D CreateScaling(double sx, | |
| 94 double sy); | |
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95 |
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96 static AffineTransform2D CreateRotation(double angle); // CW rotation in radians |
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97 |
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98 static AffineTransform2D CreateRotation(double angle, // CW rotation in radians |
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99 double cx, // rotation center |
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100 double cy); // rotation center |
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101 |
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102 static AffineTransform2D CreateOpenGLClipspace(unsigned int canvasWidth, |
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103 unsigned int canvasHeight); |
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104 |
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105 static AffineTransform2D CreateFlip(bool flipX, |
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106 bool flipY, |
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107 unsigned int width, |
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108 unsigned int height); |
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109 |
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110 static AffineTransform2D CreateFlipX(); |
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111 |
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112 static AffineTransform2D CreateFlipY(); |
| 409 | 113 }; |
| 114 } |