Mercurial > hg > orthanc-stone
annotate Applications/Samples/SingleFrameApplication.h @ 379:2308fe0b0b05
refactoring
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 06 Nov 2018 14:41:36 +0100 |
parents | 8eb4fe74000f |
children | 20f149669c1f |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
47 | 8 * modify it under the terms of the GNU Affero General Public License |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
0 | 11 * |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 **/ | |
20 | |
21 | |
22 #pragma once | |
23 | |
24 #include "SampleApplicationBase.h" | |
25 | |
79 | 26 #include "../../Framework/Layers/OrthancFrameLayerSource.h" |
27 #include "../../Framework/Widgets/LayerWidget.h" | |
116 | 28 |
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29 #include <Core/Logging.h> |
0 | 30 |
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31 #include <boost/math/constants/constants.hpp> |
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32 |
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33 |
0 | 34 namespace OrthancStone |
35 { | |
36 namespace Samples | |
37 { | |
66 | 38 class SingleFrameApplication : |
326 | 39 public SampleSingleCanvasApplicationBase, |
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40 public IObserver |
0 | 41 { |
66 | 42 private: |
85 | 43 class Interactor : public IWorldSceneInteractor |
44 { | |
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45 private: |
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46 SingleFrameApplication& application_; |
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47 |
85 | 48 public: |
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49 Interactor(SingleFrameApplication& application) : |
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50 application_(application) |
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51 { |
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52 } |
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53 |
85 | 54 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, |
55 const ViewportGeometry& view, | |
56 MouseButton button, | |
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57 KeyboardModifiers modifiers, |
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58 int viewportX, |
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59 int viewportY, |
85 | 60 double x, |
61 double y, | |
62 IStatusBar* statusBar) | |
63 { | |
64 return NULL; | |
65 } | |
66 | |
67 virtual void MouseOver(CairoContext& context, | |
68 WorldSceneWidget& widget, | |
69 const ViewportGeometry& view, | |
70 double x, | |
71 double y, | |
72 IStatusBar* statusBar) | |
73 { | |
74 if (statusBar != NULL) | |
75 { | |
76 Vector p = dynamic_cast<LayerWidget&>(widget).GetSlice().MapSliceToWorldCoordinates(x, y); | |
77 | |
78 char buf[64]; | |
79 sprintf(buf, "X = %.02f Y = %.02f Z = %.02f (in cm)", | |
80 p[0] / 10.0, p[1] / 10.0, p[2] / 10.0); | |
81 statusBar->SetMessage(buf); | |
82 } | |
83 } | |
84 | |
85 virtual void MouseWheel(WorldSceneWidget& widget, | |
86 MouseWheelDirection direction, | |
87 KeyboardModifiers modifiers, | |
88 IStatusBar* statusBar) | |
89 { | |
102 | 90 int scale = (modifiers & KeyboardModifiers_Control ? 10 : 1); |
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91 |
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92 switch (direction) |
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93 { |
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94 case MouseWheelDirection_Up: |
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95 application_.OffsetSlice(-scale); |
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96 break; |
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97 |
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98 case MouseWheelDirection_Down: |
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99 application_.OffsetSlice(scale); |
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100 break; |
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101 |
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102 default: |
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103 break; |
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104 } |
85 | 105 } |
106 | |
107 virtual void KeyPressed(WorldSceneWidget& widget, | |
327 | 108 KeyboardKeys key, |
109 char keyChar, | |
85 | 110 KeyboardModifiers modifiers, |
111 IStatusBar* statusBar) | |
112 { | |
327 | 113 switch (keyChar) |
85 | 114 { |
115 case 's': | |
330 | 116 widget.FitContent(); |
85 | 117 break; |
118 | |
119 default: | |
120 break; | |
121 } | |
122 } | |
123 }; | |
124 | |
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125 |
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126 void OffsetSlice(int offset) |
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127 { |
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128 if (source_ != NULL) |
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129 { |
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130 int slice = static_cast<int>(slice_) + offset; |
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131 |
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132 if (slice < 0) |
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133 { |
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134 slice = 0; |
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135 } |
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136 |
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137 if (slice >= static_cast<int>(source_->GetSliceCount())) |
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138 { |
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139 slice = source_->GetSliceCount() - 1; |
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140 } |
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141 |
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142 if (slice != static_cast<int>(slice_)) |
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143 { |
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144 SetSlice(slice); |
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145 } |
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146 } |
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147 } |
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148 |
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149 |
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150 LayerWidget& GetMainWidget() |
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151 { |
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152 return *dynamic_cast<LayerWidget*>(mainWidget_); |
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153 } |
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154 |
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155 |
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156 void SetSlice(size_t index) |
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157 { |
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158 if (source_ != NULL && |
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159 index < source_->GetSliceCount()) |
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160 { |
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161 slice_ = index; |
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162 |
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163 #if 1 |
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164 GetMainWidget().SetSlice(source_->GetSlice(slice_).GetGeometry()); |
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165 #else |
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166 // TEST for scene extents - Rotate the axes |
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167 double a = 15.0 / 180.0 * boost::math::constants::pi<double>(); |
101
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168 |
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169 #if 1 |
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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 #else |
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173 // Flip the normal |
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174 Vector x; GeometryToolbox::AssignVector(x, cos(a), sin(a), 0); |
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175 Vector y; GeometryToolbox::AssignVector(y, sin(a), -cos(a), 0); |
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176 #endif |
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177 |
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178 SliceGeometry s(source_->GetSlice(slice_).GetGeometry().GetOrigin(), x, y); |
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179 widget_->SetSlice(s); |
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180 #endif |
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181 } |
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182 } |
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183 |
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184 |
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185 void OnMainWidgetGeometryReady(const ILayerSource::GeometryReadyMessage& message) |
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186 { |
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187 // Once the geometry of the series is downloaded from Orthanc, |
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188 // display its middle slice, and adapt the viewport to fit this |
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189 // slice |
377 | 190 if (source_ == &message.GetOrigin()) |
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191 { |
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192 SetSlice(source_->GetSliceCount() / 2); |
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193 } |
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194 |
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195 GetMainWidget().FitContent(); |
66 | 196 } |
197 | |
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198 std::auto_ptr<Interactor> mainWidgetInteractor_; |
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199 std::auto_ptr<OrthancApiClient> orthancApiClient_; |
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200 const OrthancFrameLayerSource* source_; |
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201 unsigned int slice_; |
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202 |
0 | 203 public: |
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204 SingleFrameApplication(MessageBroker& broker) : |
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205 IObserver(broker), |
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206 source_(NULL), |
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207 slice_(0) |
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208 { |
66 | 209 } |
210 | |
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211 virtual void DeclareStartupOptions(boost::program_options::options_description& options) |
0 | 212 { |
213 boost::program_options::options_description generic("Sample options"); | |
214 generic.add_options() | |
215 ("instance", boost::program_options::value<std::string>(), | |
216 "Orthanc ID of the instance") | |
217 ("frame", boost::program_options::value<unsigned int>()->default_value(0), | |
218 "Number of the frame, for multi-frame DICOM instances") | |
219 ("smooth", boost::program_options::value<bool>()->default_value(true), | |
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220 "Enable bilinear interpolation to smooth the image") |
0 | 221 ; |
222 | |
223 options.add(generic); | |
224 } | |
225 | |
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226 virtual void Initialize(StoneApplicationContext* context, |
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227 IStatusBar& statusBar, |
0 | 228 const boost::program_options::variables_map& parameters) |
229 { | |
230 using namespace OrthancStone; | |
231 | |
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232 context_ = context; |
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233 |
85 | 234 statusBar.SetMessage("Use the key \"s\" to reinitialize the layout"); |
235 | |
0 | 236 if (parameters.count("instance") != 1) |
237 { | |
238 LOG(ERROR) << "The instance ID is missing"; | |
239 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
240 } | |
241 | |
242 std::string instance = parameters["instance"].as<std::string>(); | |
243 int frame = parameters["frame"].as<unsigned int>(); | |
244 | |
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245 orthancApiClient_.reset(new OrthancApiClient(IObserver::broker_, context_->GetWebService())); |
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246 mainWidget_ = new LayerWidget(broker_, "main-widget"); |
0 | 247 |
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248 std::auto_ptr<OrthancFrameLayerSource> layer(new OrthancFrameLayerSource(broker_, *orthancApiClient_)); |
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249 source_ = layer.get(); |
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250 layer->LoadFrame(instance, frame); |
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251 layer->RegisterObserverCallback(new Callable<SingleFrameApplication, ILayerSource::GeometryReadyMessage>(*this, &SingleFrameApplication::OnMainWidgetGeometryReady)); |
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252 GetMainWidget().AddLayer(layer.release()); |
66 | 253 |
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254 RenderStyle s; |
0 | 255 |
256 if (parameters["smooth"].as<bool>()) | |
257 { | |
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258 s.interpolation_ = ImageInterpolation_Bilinear; |
66 | 259 } |
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260 |
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261 GetMainWidget().SetLayerStyle(0, s); |
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262 GetMainWidget().SetTransmitMouseOver(true); |
66 | 263 |
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264 mainWidgetInteractor_.reset(new Interactor(*this)); |
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265 GetMainWidget().SetInteractor(*mainWidgetInteractor_); |
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266 } |
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267 }; |
85 | 268 |
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269 |
0 | 270 } |
271 } |