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409
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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439
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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409
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6 *
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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 Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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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 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #pragma once
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23
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24 #include "../StoneEnumerations.h"
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25 #include "LinearAlgebra.h"
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26
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27 #include <Core/Images/ImageAccessor.h>
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28
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29 namespace OrthancStone
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30 {
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31 class AffineTransform2D
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32 {
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33 private:
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34 Matrix matrix_;
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35
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36 public:
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37 AffineTransform2D();
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38
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39 // The matrix must be 3x3, without perspective effects
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40 AffineTransform2D(const Matrix& m);
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41
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42 AffineTransform2D(const AffineTransform2D& other) :
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43 matrix_(other.matrix_)
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44 {
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45 }
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46
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47 const Matrix& GetHomogeneousMatrix() const
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48 {
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49 return matrix_;
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50 }
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51
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52 void Apply(double& x /* inout */,
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53 double& y /* inout */) const;
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54
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55 void Apply(Orthanc::ImageAccessor& target,
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56 const Orthanc::ImageAccessor& source,
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57 ImageInterpolation interpolation,
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58 bool clear) const;
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59
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60 static AffineTransform2D Invert(const AffineTransform2D& a);
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61
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62 static AffineTransform2D Combine(const AffineTransform2D& a,
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63 const AffineTransform2D& b);
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64
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65 static AffineTransform2D Combine(const AffineTransform2D& a,
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66 const AffineTransform2D& b,
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67 const AffineTransform2D& c);
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68
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69 static AffineTransform2D Combine(const AffineTransform2D& a,
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70 const AffineTransform2D& b,
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71 const AffineTransform2D& c,
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72 const AffineTransform2D& d);
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73
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74 static AffineTransform2D CreateOffset(double dx,
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75 double dy);
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76
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77 static AffineTransform2D CreateScaling(double sx,
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78 double sy);
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79
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80 static AffineTransform2D CreateRotation(double angle);
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81 };
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82 }
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