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annotate Applications/Samples/SingleFrameApplication.h @ 1124:a8bf81756839 broker

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unsuccessful attempt to cache ParseDicomFileCommand
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 05 Nov 2019 18:49:06 +0100
parents 5d1b0d2f4b15
children 0ca50d275b9a
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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
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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/Deprecated/Layers/DicomSeriesVolumeSlicer.h"
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27 #include "../../Framework/Deprecated/Widgets/SliceViewerWidget.h"
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28
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29 #include <Core/Logging.h>
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30 #include <Core/OrthancException.h>
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31
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32 #include <boost/math/constants/constants.hpp>
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33
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34
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35 namespace OrthancStone
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36 {
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37 namespace Samples
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38 {
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39 class SingleFrameApplication :
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40 public SampleSingleCanvasApplicationBase,
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41 public ObserverBase<SingleFrameApplication>
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42 {
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43 private:
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44 class Interactor : public Deprecated::IWorldSceneInteractor
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45 {
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46 private:
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47 SingleFrameApplication& application_;
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48
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49 public:
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50 Interactor(SingleFrameApplication& application) :
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51 application_(application)
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52 {
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53 }
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54
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55 virtual Deprecated::IWorldSceneMouseTracker* CreateMouseTracker(Deprecated::WorldSceneWidget& widget,
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56 const Deprecated::ViewportGeometry& view,
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57 MouseButton button,
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58 KeyboardModifiers modifiers,
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59 int viewportX,
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60 int viewportY,
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61 double x,
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62 double y,
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63 Deprecated::IStatusBar* statusBar,
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64 const std::vector<Deprecated::Touch>& displayTouches)
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65 {
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66 return NULL;
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67 }
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68
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69 virtual void MouseOver(CairoContext& context,
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70 Deprecated::WorldSceneWidget& widget,
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71 const Deprecated::ViewportGeometry& view,
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72 double x,
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73 double y,
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74 Deprecated::IStatusBar* statusBar)
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75 {
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76 if (statusBar != NULL)
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77 {
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78 Vector p = dynamic_cast<Deprecated::SliceViewerWidget&>(widget).GetSlice().MapSliceToWorldCoordinates(x, y);
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79
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80 char buf[64];
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81 sprintf(buf, "X = %.02f Y = %.02f Z = %.02f (in cm)",
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82 p[0] / 10.0, p[1] / 10.0, p[2] / 10.0);
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83 statusBar->SetMessage(buf);
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84 }
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85 }
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86
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87 virtual void MouseWheel(Deprecated::WorldSceneWidget& widget,
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88 MouseWheelDirection direction,
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89 KeyboardModifiers modifiers,
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90 Deprecated::IStatusBar* statusBar)
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91 {
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92 int scale = (modifiers & KeyboardModifiers_Control ? 10 : 1);
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93
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94 switch (direction)
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95 {
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96 case MouseWheelDirection_Up:
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97 application_.OffsetSlice(-scale);
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98 break;
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99
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100 case MouseWheelDirection_Down:
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101 application_.OffsetSlice(scale);
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102 break;
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103
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104 default:
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105 break;
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106 }
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107 }
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108
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109 virtual void KeyPressed(Deprecated::WorldSceneWidget& widget,
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110 KeyboardKeys key,
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111 char keyChar,
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112 KeyboardModifiers modifiers,
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113 Deprecated::IStatusBar* statusBar)
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114 {
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115 switch (keyChar)
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116 {
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117 case 's':
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118 widget.FitContent();
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119 break;
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120
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121 default:
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122 break;
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123 }
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124 }
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125 };
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126
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128 void OffsetSlice(int offset)
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129 {
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130 if (source_)
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131 {
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132 int slice = static_cast<int>(slice_) + offset;
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133
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134 if (slice < 0)
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135 {
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136 slice = 0;
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137 }
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138
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139 if (slice >= static_cast<int>(source_->GetSlicesCount()))
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140 {
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141 slice = static_cast<int>(source_->GetSlicesCount()) - 1;
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142 }
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143
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144 if (slice != static_cast<int>(slice_))
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145 {
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146 SetSlice(slice);
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147 }
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148 }
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149 }
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151
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152 void SetSlice(size_t index)
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153 {
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154 if (source_ &&
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155 index < source_->GetSlicesCount())
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156 {
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157 slice_ = static_cast<unsigned int>(index);
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158
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159 #if 1
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160 widget_->SetSlice(source_->GetSlice(slice_).GetGeometry());
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161 #else
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162 // TEST for scene extents - Rotate the axes
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163 double a = 15.0 / 180.0 * boost::math::constants::pi<double>();
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164
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165 #if 1
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166 Vector x; GeometryToolbox::AssignVector(x, cos(a), sin(a), 0);
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167 Vector y; GeometryToolbox::AssignVector(y, -sin(a), cos(a), 0);
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168 #else
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169 // Flip the normal
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170 Vector x; GeometryToolbox::AssignVector(x, cos(a), sin(a), 0);
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171 Vector y; GeometryToolbox::AssignVector(y, sin(a), -cos(a), 0);
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172 #endif
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173
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174 SliceGeometry s(source_->GetSlice(slice_).GetGeometry().GetOrigin(), x, y);
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175 widget_->SetSlice(s);
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176 #endif
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177 }
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178 }
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179
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180
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181 void OnMainWidgetGeometryReady(const Deprecated::IVolumeSlicer::GeometryReadyMessage& message)
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182 {
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183 // Once the geometry of the series is downloaded from Orthanc,
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184 // display its middle slice, and adapt the viewport to fit this
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185 // slice
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186 if (source_ &&
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187 source_.get() == &message.GetOrigin())
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188 {
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189 SetSlice(source_->GetSlicesCount() / 2);
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190 }
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191
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192 widget_->FitContent();
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193 }
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194
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195 boost::shared_ptr<Deprecated::SliceViewerWidget> widget_;
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196 std::auto_ptr<Interactor> mainWidgetInteractor_;
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197 boost::shared_ptr<Deprecated::DicomSeriesVolumeSlicer> source_;
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198 unsigned int slice_;
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199
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200 public:
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201 SingleFrameApplication() :
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202 slice_(0)
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203 {
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204 }
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205
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206 virtual void DeclareStartupOptions(boost::program_options::options_description& options)
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207 {
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208 boost::program_options::options_description generic("Sample options");
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209 generic.add_options()
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210 ("instance", boost::program_options::value<std::string>(),
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211 "Orthanc ID of the instance")
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212 ("frame", boost::program_options::value<unsigned int>()->default_value(0),
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213 "Number of the frame, for multi-frame DICOM instances")
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214 ("smooth", boost::program_options::value<bool>()->default_value(true),
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215 "Enable bilinear interpolation to smooth the image")
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216 ;
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217
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218 options.add(generic);
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219 }
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220
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221 virtual void Initialize(StoneApplicationContext* context,
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222 Deprecated::IStatusBar& statusBar,
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223 const boost::program_options::variables_map& parameters)
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224 {
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225 using namespace OrthancStone;
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226
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227 context_ = context;
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228
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229 statusBar.SetMessage("Use the key \"s\" to reinitialize the layout");
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230
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231 if (parameters.count("instance") != 1)
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232 {
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233 LOG(ERROR) << "The instance ID is missing";
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234 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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235 }
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236
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237 std::string instance = parameters["instance"].as<std::string>();
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238 int frame = parameters["frame"].as<unsigned int>();
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239
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240 widget_.reset(new Deprecated::SliceViewerWidget("main-widget"));
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241 SetCentralWidget(widget_);
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242
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243 boost::shared_ptr<Deprecated::DicomSeriesVolumeSlicer> layer(new Deprecated::DicomSeriesVolumeSlicer);
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244 layer->Connect(context->GetOrthancApiClient());
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245 source_ = layer;
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246 layer->LoadFrame(instance, frame);
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247 Register<Deprecated::IVolumeSlicer::GeometryReadyMessage>(*layer, &SingleFrameApplication::OnMainWidgetGeometryReady);
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248 widget_->AddLayer(layer);
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249
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250 Deprecated::RenderStyle s;
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251
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252 if (parameters["smooth"].as<bool>())
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253 {
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254 s.interpolation_ = ImageInterpolation_Bilinear;
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255 }
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256
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257 widget_->SetLayerStyle(0, s);
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258 widget_->SetTransmitMouseOver(true);
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259
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260 mainWidgetInteractor_.reset(new Interactor(*this));
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261 widget_->SetInteractor(*mainWidgetInteractor_);
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262 }
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263 };
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264
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265
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266 }
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267 }