annotate Framework/Deprecated/Toolbox/ViewportGeometry.h @ 1101:141593f1aa88

fix build on ubuntu
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 26 Oct 2019 11:35:41 +0200
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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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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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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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22 #pragma once
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23
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24 #include "../../Wrappers/CairoContext.h"
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25 #include "../../Toolbox/Extent2D.h"
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26 #include "../../Toolbox/LinearAlgebra.h"
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27 #include "../Viewport/IMouseTracker.h" // to include "Touch" definition
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29 namespace Deprecated
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30 {
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31 class ViewportGeometry
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32 {
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33 private:
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34 // Extent of the scene (in world units)
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35 OrthancStone::Extent2D sceneExtent_;
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37 // Size of the display (in pixels)
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38 unsigned int width_;
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39 unsigned int height_;
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41 // Zoom/pan
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42 double zoom_;
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43 double panX_; // In pixels (display units)
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44 double panY_;
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46 cairo_matrix_t transform_; // Scene-to-display transformation
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48 void ComputeTransform();
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50 public:
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51 ViewportGeometry();
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53 void SetDisplaySize(unsigned int width,
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54 unsigned int height);
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55
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56 void SetSceneExtent(const OrthancStone::Extent2D& extent);
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58 const OrthancStone::Extent2D& GetSceneExtent() const
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59 {
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60 return sceneExtent_;
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61 }
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63 void MapDisplayToScene(double& sceneX /* out */,
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64 double& sceneY /* out */,
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65 double x,
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66 double y) const;
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67
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68 void MapPixelCenterToScene(double& sceneX /* out */,
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69 double& sceneY /* out */,
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70 int x,
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71 int y) const;
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72
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73 void MapPixelCenterToScene(std::vector<Touch>& sceneTouches /* out */,
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74 const std::vector<Touch>& displayTouches) const;
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75
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76 void MapSceneToDisplay(int& displayX /* out */,
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77 int& displayY /* out */,
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78 double x,
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79 double y) const;
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80
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81 unsigned int GetDisplayWidth() const
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82 {
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83 return width_;
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84 }
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86 unsigned int GetDisplayHeight() const
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87 {
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88 return height_;
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89 }
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91 double GetZoom() const
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92 {
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93 return zoom_;
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94 }
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95
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96 void FitContent();
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98 void ApplyTransform(OrthancStone::CairoContext& context) const;
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100 void GetPan(double& x,
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101 double& y) const;
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102
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103 void SetPan(double x,
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104 double y);
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105
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106 void SetZoom(double zoom);
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107
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108 OrthancStone::Matrix GetMatrix() const;
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109 };
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110 }