Mercurial > hg > orthanc-stone

annotate Applications/Samples/SingleFrameEditorApplication.h @ 327:8716176ff7f0 am-2

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added support for arrow keys
author am@osimis.io
date Tue, 16 Oct 2018 15:25:21 +0200
parents 612238b3f3e8
children b10dfdb96866
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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) 2017-2018 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
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22 #pragma once
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23
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24 #include "SampleApplicationBase.h"
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25
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26 #include "../../Framework/Layers/OrthancFrameLayerSource.h"
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27 #include "../../Framework/Widgets/LayerWidget.h"
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28
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29 #include <Core/Logging.h>
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30
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31 namespace OrthancStone
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32 {
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33 namespace Samples
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34 {
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35 class SingleFrameEditorApplication :
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36 public SampleSingleCanvasApplicationBase,
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37 public IObserver
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38 {
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39 enum Tools
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40 {
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41 Tools_Crop,
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42 Tools_Windowing,
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43 Tools_Zoom,
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44 Tools_Pan
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45 };
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46
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47 enum Actions
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48 {
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49 Actions_Invert,
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50 Actions_RotateLeft,
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51 Actions_RotateRight
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52 };
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53
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54 private:
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55 class Interactor : public IWorldSceneInteractor
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56 {
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57 private:
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58 SingleFrameEditorApplication& application_;
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59
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60 public:
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61 Interactor(SingleFrameEditorApplication& application) :
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62 application_(application)
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63 {
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64 }
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65
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66 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget,
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67 const ViewportGeometry& view,
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68 MouseButton button,
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69 KeyboardModifiers modifiers,
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70 double x,
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71 double y,
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72 IStatusBar* statusBar)
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73 {
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74 switch (application_.currentTool_) {
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75 case Tools_Crop:
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76 case Tools_Windowing:
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77 case Tools_Zoom:
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78 case Tools_Pan:
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79 // TODO return the right mouse tracker
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80 return NULL;
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81 }
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82
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83 return NULL;
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84 }
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85
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86 virtual void MouseOver(CairoContext& context,
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87 WorldSceneWidget& widget,
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88 const ViewportGeometry& view,
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89 double x,
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90 double y,
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91 IStatusBar* statusBar)
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92 {
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93 if (statusBar != NULL)
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94 {
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95 Vector p = dynamic_cast<LayerWidget&>(widget).GetSlice().MapSliceToWorldCoordinates(x, y);
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96
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97 char buf[64];
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98 sprintf(buf, "X = %.02f Y = %.02f Z = %.02f (in cm)",
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99 p[0] / 10.0, p[1] / 10.0, p[2] / 10.0);
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100 statusBar->SetMessage(buf);
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101 }
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102 }
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103
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104 virtual void MouseWheel(WorldSceneWidget& widget,
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105 MouseWheelDirection direction,
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106 KeyboardModifiers modifiers,
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107 IStatusBar* statusBar)
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108 {
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109 }
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110
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111 virtual void KeyPressed(WorldSceneWidget& widget,
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112 KeyboardKeys key,
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113 char keyChar,
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114 KeyboardModifiers modifiers,
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115 IStatusBar* statusBar)
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116 {
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117 switch (keyChar)
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118 {
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119 case 's':
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120 widget.SetDefaultView();
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121 break;
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122 case 'p':
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123 application_.currentTool_ = Tools_Pan;
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124 break;
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125 case 'z':
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126 application_.currentTool_ = Tools_Zoom;
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127 break;
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128 case 'c':
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129 application_.currentTool_ = Tools_Crop;
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130 break;
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131 case 'w':
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132 application_.currentTool_ = Tools_Windowing;
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133 break;
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134 case 'i':
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135 application_.Invert();
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136 break;
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137 case 'r':
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138 if (modifiers == KeyboardModifiers_None)
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139 application_.Rotate(90);
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140 else
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141 application_.Rotate(-90);
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142 break;
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143 case 'e':
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144 application_.Export();
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145 break;
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146 default:
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147 break;
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148 }
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149 }
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150 };
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151
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152 void OnMainWidgetGeometryReady(const ILayerSource::GeometryReadyMessage& message)
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153 {
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154 mainWidget_->SetDefaultView();
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155 }
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156
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157 std::unique_ptr<Interactor> mainWidgetInteractor_;
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158 std::unique_ptr<OrthancApiClient> orthancApiClient_;
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159 Tools currentTool_;
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160
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161 const OrthancFrameLayerSource* source_;
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162 unsigned int slice_;
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163
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164 public:
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165 SingleFrameEditorApplication(MessageBroker& broker) :
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166 IObserver(broker),
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167 currentTool_(Tools_Zoom),
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168 source_(NULL),
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169 slice_(0)
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170 {
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171 }
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172
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173 virtual void DeclareStartupOptions(boost::program_options::options_description& options)
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174 {
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175 boost::program_options::options_description generic("Sample options");
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176 generic.add_options()
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177 ("instance", boost::program_options::value<std::string>(),
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178 "Orthanc ID of the instance")
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179 ("frame", boost::program_options::value<unsigned int>()->default_value(0),
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180 "Number of the frame, for multi-frame DICOM instances")
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181 ;
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182
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183 options.add(generic);
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184 }
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185
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186 virtual void Initialize(StoneApplicationContext* context,
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187 IStatusBar& statusBar,
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188 const boost::program_options::variables_map& parameters)
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189 {
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190 using namespace OrthancStone;
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191
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192 context_ = context;
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193
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194 statusBar.SetMessage("Use the key \"s\" to reinitialize the layout, \"p\" to pan, \"z\" to zoom, \"c\" to crop, \"i\" to invert, \"w\" to change windowing, \"r\" to rotate cw, \"shift+r\" to rotate ccw");
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195
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196 if (parameters.count("instance") != 1)
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197 {
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198 LOG(ERROR) << "The instance ID is missing";
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199 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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200 }
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201
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202 std::string instance = parameters["instance"].as<std::string>();
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203 int frame = parameters["frame"].as<unsigned int>();
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204
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205 orthancApiClient_.reset(new OrthancApiClient(IObserver::broker_, context_->GetWebService()));
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206 mainWidget_ = new LayerWidget(broker_, "main-widget");
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207
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208 std::auto_ptr<OrthancFrameLayerSource> layer(new OrthancFrameLayerSource(broker_, *orthancApiClient_));
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209 source_ = layer.get();
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210 layer->LoadFrame(instance, frame);
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211 layer->RegisterObserverCallback(new Callable<SingleFrameEditorApplication, ILayerSource::GeometryReadyMessage>(*this, &SingleFrameEditorApplication::OnMainWidgetGeometryReady));
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212 mainWidget_->AddLayer(layer.release());
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213
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214 mainWidget_->SetTransmitMouseOver(true);
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215
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216 mainWidgetInteractor_.reset(new Interactor(*this));
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217 mainWidget_->SetInteractor(*mainWidgetInteractor_);
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218 }
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219
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220
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221 void Invert()
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222 {
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223 // TODO
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224 }
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225
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226 void Rotate(int degrees)
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227 {
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228 // TODO
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229 }
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230
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231 void Export()
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232 {
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233 // TODO: export dicom file to a temporary file
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234 }
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235 };
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236
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237
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238 }
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239 }