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annotate Applications/Samples/SingleFrameEditorApplication.h @ 336:c7fdc8bac581 am-2

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creating GrayscaleBitmapStack
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 18 Oct 2018 19:29:14 +0200
parents c34784e5f299
children c4d4213f095c
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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
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28 #include <Core/Logging.h>
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29
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30 namespace OrthancStone
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31 {
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32
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33 class GrayscaleBitmapStack :
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34 public WorldSceneWidget,
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35 public IObservable
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36 {
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37 public:
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38 typedef OriginMessage<MessageType_Widget_GeometryChanged, GrayscaleBitmapStack> GeometryChangedMessage;
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39 typedef OriginMessage<MessageType_Widget_ContentChanged, GrayscaleBitmapStack> ContentChangedMessage;
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40
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41 protected:
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42 virtual Extent2D GetSceneExtent()
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43 {
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44 }
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45
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46 virtual bool RenderScene(CairoContext& context,
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47 const ViewportGeometry& view)
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48 {
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49 }
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50
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51 public:
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52 GrayscaleBitmapStack(MessageBroker& broker,
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53 const std::string& name) :
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54 WorldSceneWidget(name),
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55 IObservable(broker)
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56 {
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57 }
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58
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59 };
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60
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61
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62 namespace Samples
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63 {
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64 class SingleFrameEditorApplication :
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65 public SampleSingleCanvasApplicationBase,
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66 public IObserver
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67 {
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68 enum Tools
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69 {
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70 Tools_Crop,
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71 Tools_Windowing,
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72 Tools_Zoom,
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73 Tools_Pan
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74 };
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75
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76 enum Actions
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77 {
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78 Actions_Invert,
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79 Actions_RotateLeft,
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80 Actions_RotateRight
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81 };
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82
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83 private:
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84 class Interactor : public IWorldSceneInteractor
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85 {
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86 private:
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87 SingleFrameEditorApplication& application_;
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88
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89 public:
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90 Interactor(SingleFrameEditorApplication& application) :
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91 application_(application)
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92 {
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93 }
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94
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95 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget,
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96 const ViewportGeometry& view,
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97 MouseButton button,
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98 KeyboardModifiers modifiers,
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99 double x,
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100 double y,
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101 IStatusBar* statusBar)
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102 {
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103 switch (application_.currentTool_) {
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104 case Tools_Zoom:
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105 printf("ZOOM\n");
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106
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107 case Tools_Crop:
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108 case Tools_Windowing:
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109 case Tools_Pan:
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110 // TODO return the right mouse tracker
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111 return NULL;
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112 }
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113
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114 return NULL;
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115 }
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116
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117 virtual void MouseOver(CairoContext& context,
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118 WorldSceneWidget& widget,
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119 const ViewportGeometry& view,
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120 double x,
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121 double y,
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122 IStatusBar* statusBar)
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123 {
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124 if (statusBar != NULL)
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125 {
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126 char buf[64];
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127 sprintf(buf, "X = %.02f Y = %.02f (in cm)", x / 10.0, y / 10.0);
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128 statusBar->SetMessage(buf);
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129 }
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130 }
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131
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132 virtual void MouseWheel(WorldSceneWidget& widget,
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133 MouseWheelDirection direction,
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134 KeyboardModifiers modifiers,
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135 IStatusBar* statusBar)
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136 {
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137 }
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138
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139 virtual void KeyPressed(WorldSceneWidget& widget,
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140 KeyboardKeys key,
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141 char keyChar,
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142 KeyboardModifiers modifiers,
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143 IStatusBar* statusBar)
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144 {
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145 switch (keyChar)
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146 {
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147 case 's':
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148 widget.FitContent();
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149 break;
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150 case 'p':
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151 application_.currentTool_ = Tools_Pan;
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152 break;
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153 case 'z':
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154 application_.currentTool_ = Tools_Zoom;
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155 break;
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156 case 'c':
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157 application_.currentTool_ = Tools_Crop;
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158 break;
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159 case 'w':
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160 application_.currentTool_ = Tools_Windowing;
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161 break;
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162 case 'i':
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163 application_.Invert();
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164 break;
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165 case 'r':
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166 if (modifiers == KeyboardModifiers_None)
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167 application_.Rotate(90);
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168 else
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169 application_.Rotate(-90);
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170 break;
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171 case 'e':
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172 application_.Export();
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173 break;
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174 default:
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175 break;
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176 }
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177 }
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178 };
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179
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180 void OnGeometryChanged(const GrayscaleBitmapStack::GeometryChangedMessage& message)
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181 {
330
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182 mainWidget_->FitContent();
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183 }
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184
334
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185 std::auto_ptr<Interactor> mainWidgetInteractor_;
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186 std::auto_ptr<OrthancApiClient> orthancApiClient_;
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187 Tools currentTool_;
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188 const OrthancFrameLayerSource* source_;
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189 unsigned int slice_;
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190
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191 public:
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192 SingleFrameEditorApplication(MessageBroker& broker) :
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193 IObserver(broker),
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194 currentTool_(Tools_Zoom),
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195 source_(NULL),
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196 slice_(0)
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197 {
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198 }
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199
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200 virtual void DeclareStartupOptions(boost::program_options::options_description& options)
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201 {
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202 boost::program_options::options_description generic("Sample options");
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203 generic.add_options()
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204 ("instance", boost::program_options::value<std::string>(),
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205 "Orthanc ID of the instance")
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206 ("frame", boost::program_options::value<unsigned int>()->default_value(0),
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207 "Number of the frame, for multi-frame DICOM instances")
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208 ;
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209
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210 options.add(generic);
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211 }
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212
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213 virtual void Initialize(StoneApplicationContext* context,
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214 IStatusBar& statusBar,
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215 const boost::program_options::variables_map& parameters)
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216 {
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217 using namespace OrthancStone;
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218
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219 context_ = context;
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220
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221 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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222
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223 if (parameters.count("instance") != 1)
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224 {
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225 LOG(ERROR) << "The instance ID is missing";
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226 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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227 }
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228
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229 std::string instance = parameters["instance"].as<std::string>();
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230 int frame = parameters["frame"].as<unsigned int>();
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231
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232 orthancApiClient_.reset(new OrthancApiClient(IObserver::broker_, context_->GetWebService()));
336
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233 mainWidget_ = new GrayscaleBitmapStack(broker_, "main-widget");
325
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234
336
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235 dynamic_cast<GrayscaleBitmapStack*>(mainWidget_)->RegisterObserverCallback(
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236 new Callable<SingleFrameEditorApplication,
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237 GrayscaleBitmapStack::GeometryChangedMessage>
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238 (*this, &SingleFrameEditorApplication::OnGeometryChanged));
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239
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240 mainWidget_->SetTransmitMouseOver(true);
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241
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242 mainWidgetInteractor_.reset(new Interactor(*this));
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243 mainWidget_->SetInteractor(*mainWidgetInteractor_);
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244 }
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245
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246
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247 void Invert()
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248 {
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249 // TODO
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250 }
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251
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252 void Rotate(int degrees)
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253 {
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254 // TODO
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255 }
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256
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257 void Export()
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258 {
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259 // TODO: export dicom file to a temporary file
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260 }
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261 };
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262
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263
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264 }
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265 }