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644
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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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20
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21 #include <Framework/Scene2D/OpenGLCompositor.h>
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22
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23 #include "../Common/IFlexiblePointerTracker.h"
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24 #include "../Common/MeasureTools.h"
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25
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26 #include <SDL.h>
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27
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28 #include <boost/make_shared.hpp>
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29 #include <boost/shared_ptr.hpp>
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30
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31 namespace OrthancStone
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32 {
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33 class TrackerCommand;
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34 typedef boost::shared_ptr<TrackerCommand> TrackerCommandPtr;
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35
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36 enum GuiTool
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37 {
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38 GuiTool_Rotate = 0,
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39 GuiTool_Pan,
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40 GuiTool_Zoom,
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41 GuiTool_LineMeasure,
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42 GuiTool_CircleMeasure,
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43 GuiTool_AngleMeasure,
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44 GuiTool_EllipseMeasure,
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45 GuiTool_LAST
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46 };
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47
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48 const char* MeasureToolToString(size_t i);
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49
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50 static const unsigned int FONT_SIZE = 32;
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51
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52 class Scene2D;
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53
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54 class TrackerSampleApp
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55 {
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56 public:
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57 // 12 because.
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58 TrackerSampleApp() : currentTool_(GuiTool_Rotate)
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59 {
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60 TEXTURE_2x2_1_ZINDEX = 1;
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61 TEXTURE_1x1_ZINDEX = 2;
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62 TEXTURE_2x2_2_ZINDEX = 3;
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63 LINESET_1_ZINDEX = 4;
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64 LINESET_2_ZINDEX = 5;
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65 INFOTEXT_LAYER_ZINDEX = 6;
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66 }
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67 void PrepareScene();
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68
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69 void DisableTracker();
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70
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71 Scene2D& GetScene();
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72
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73 void HandleApplicationEvent(
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74 const OpenGLCompositor& compositor,
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75 const SDL_Event& event);
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76
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77 private:
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78 void SelectNextTool();
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79
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80
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81 FlexiblePointerTrackerPtr TrackerHitTest(const PointerEvent& e);
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82
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83 FlexiblePointerTrackerPtr CreateSuitableTracker(
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84 const SDL_Event& event,
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85 const PointerEvent& e,
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86 const OpenGLCompositor& compositor);
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87
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88 void TakeScreenshot(
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89 const std::string& target,
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90 unsigned int canvasWidth,
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91 unsigned int canvasHeight);
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92
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93 /**
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94 This adds the command at the top of the undo stack
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95 */
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96 void Commit(TrackerCommandPtr cmd);
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97 void Undo();
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98 void Redo();
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99
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100 private:
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101 void DisplayInfoText(const PointerEvent& e);
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102 void HideInfoText();
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103
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104 private:
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105 /**
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106 WARNING: the measuring tools do store a reference to the scene, and it
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107 paramount that the scene gets destroyed AFTER the measurement tools.
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108 */
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109 Scene2D scene_;
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110
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111 FlexiblePointerTrackerPtr activeTracker_;
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112 std::vector<TrackerCommandPtr> undoStack_;
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113
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114 // we store the measure tools here so that they don't get deleted
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115 std::vector<MeasureToolPtr> measureTools_;
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116
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117 //static const int LAYER_POSITION = 150;
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118 #if 0
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119 int TEXTURE_2x2_1_ZINDEX = 12;
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120 int TEXTURE_1x1_ZINDEX = 13;
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121 int TEXTURE_2x2_2_ZINDEX = 14;
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122 int LINESET_1_ZINDEX = 50;
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123 int LINESET_2_ZINDEX = 100;
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124 int INFOTEXT_LAYER_ZINDEX = 150;
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125 #else
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126 int TEXTURE_2x2_1_ZINDEX;
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127 int TEXTURE_1x1_ZINDEX;
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128 int TEXTURE_2x2_2_ZINDEX;
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129 int LINESET_1_ZINDEX;
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130 int LINESET_2_ZINDEX;
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131 int INFOTEXT_LAYER_ZINDEX;
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132 #endif
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133 GuiTool currentTool_;
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134 };
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135
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136 }
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