Mercurial > hg > orthanc-stone
annotate Applications/Samples/SingleFrameApplication.h @ 327:8716176ff7f0 am-2
added support for arrow keys
author | am@osimis.io |
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date | Tue, 16 Oct 2018 15:25:21 +0200 |
parents | 612238b3f3e8 |
children | 7a364e44fbb4 |
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 |
31 namespace OrthancStone | |
32 { | |
33 namespace Samples | |
34 { | |
66 | 35 class SingleFrameApplication : |
326 | 36 public SampleSingleCanvasApplicationBase, |
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37 public IObserver |
0 | 38 { |
66 | 39 private: |
85 | 40 class Interactor : public IWorldSceneInteractor |
41 { | |
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42 private: |
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43 SingleFrameApplication& application_; |
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44 |
85 | 45 public: |
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46 Interactor(SingleFrameApplication& application) : |
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47 application_(application) |
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48 { |
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49 } |
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50 |
85 | 51 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, |
52 const ViewportGeometry& view, | |
53 MouseButton button, | |
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54 KeyboardModifiers modifiers, |
85 | 55 double x, |
56 double y, | |
57 IStatusBar* statusBar) | |
58 { | |
59 return NULL; | |
60 } | |
61 | |
62 virtual void MouseOver(CairoContext& context, | |
63 WorldSceneWidget& widget, | |
64 const ViewportGeometry& view, | |
65 double x, | |
66 double y, | |
67 IStatusBar* statusBar) | |
68 { | |
69 if (statusBar != NULL) | |
70 { | |
71 Vector p = dynamic_cast<LayerWidget&>(widget).GetSlice().MapSliceToWorldCoordinates(x, y); | |
72 | |
73 char buf[64]; | |
74 sprintf(buf, "X = %.02f Y = %.02f Z = %.02f (in cm)", | |
75 p[0] / 10.0, p[1] / 10.0, p[2] / 10.0); | |
76 statusBar->SetMessage(buf); | |
77 } | |
78 } | |
79 | |
80 virtual void MouseWheel(WorldSceneWidget& widget, | |
81 MouseWheelDirection direction, | |
82 KeyboardModifiers modifiers, | |
83 IStatusBar* statusBar) | |
84 { | |
102 | 85 int scale = (modifiers & KeyboardModifiers_Control ? 10 : 1); |
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86 |
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87 switch (direction) |
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88 { |
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89 case MouseWheelDirection_Up: |
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90 application_.OffsetSlice(-scale); |
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91 break; |
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92 |
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93 case MouseWheelDirection_Down: |
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94 application_.OffsetSlice(scale); |
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95 break; |
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96 |
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97 default: |
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98 break; |
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99 } |
85 | 100 } |
101 | |
102 virtual void KeyPressed(WorldSceneWidget& widget, | |
327 | 103 KeyboardKeys key, |
104 char keyChar, | |
85 | 105 KeyboardModifiers modifiers, |
106 IStatusBar* statusBar) | |
107 { | |
327 | 108 switch (keyChar) |
85 | 109 { |
110 case 's': | |
111 widget.SetDefaultView(); | |
112 break; | |
113 | |
114 default: | |
115 break; | |
116 } | |
117 } | |
118 }; | |
119 | |
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120 |
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121 void OffsetSlice(int offset) |
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122 { |
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123 if (source_ != NULL) |
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124 { |
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125 int slice = static_cast<int>(slice_) + offset; |
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126 |
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127 if (slice < 0) |
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128 { |
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129 slice = 0; |
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130 } |
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131 |
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132 if (slice >= static_cast<int>(source_->GetSliceCount())) |
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133 { |
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134 slice = source_->GetSliceCount() - 1; |
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135 } |
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136 |
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137 if (slice != static_cast<int>(slice_)) |
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138 { |
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139 SetSlice(slice); |
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140 } |
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141 } |
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142 } |
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143 |
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144 |
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145 void SetSlice(size_t index) |
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146 { |
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147 if (source_ != NULL && |
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148 index < source_->GetSliceCount()) |
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149 { |
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150 slice_ = index; |
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151 |
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152 #if 1 |
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153 mainWidget_->SetSlice(source_->GetSlice(slice_).GetGeometry()); |
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154 #else |
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155 // TEST for scene extents - Rotate the axes |
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156 double a = 15.0 / 180.0 * M_PI; |
101
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157 |
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158 #if 1 |
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159 Vector x; GeometryToolbox::AssignVector(x, cos(a), sin(a), 0); |
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160 Vector y; GeometryToolbox::AssignVector(y, -sin(a), cos(a), 0); |
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161 #else |
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162 // Flip the normal |
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163 Vector x; GeometryToolbox::AssignVector(x, cos(a), sin(a), 0); |
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164 Vector y; GeometryToolbox::AssignVector(y, sin(a), -cos(a), 0); |
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165 #endif |
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166 |
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167 SliceGeometry s(source_->GetSlice(slice_).GetGeometry().GetOrigin(), x, y); |
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168 widget_->SetSlice(s); |
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169 #endif |
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170 } |
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171 } |
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172 |
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173 |
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174 void OnMainWidgetGeometryReady(const ILayerSource::GeometryReadyMessage& message) |
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175 { |
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176 // Once the geometry of the series is downloaded from Orthanc, |
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177 // display its middle slice, and adapt the viewport to fit this |
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178 // slice |
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179 if (source_ == &message.origin_) |
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180 { |
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181 SetSlice(source_->GetSliceCount() / 2); |
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182 } |
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183 |
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184 mainWidget_->SetDefaultView(); |
66 | 185 } |
186 | |
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187 std::unique_ptr<Interactor> mainWidgetInteractor_; |
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188 std::unique_ptr<OrthancApiClient> orthancApiClient_; |
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189 |
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190 const OrthancFrameLayerSource* source_; |
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191 unsigned int slice_; |
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192 |
0 | 193 public: |
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194 SingleFrameApplication(MessageBroker& broker) : |
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195 IObserver(broker), |
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196 source_(NULL), |
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197 slice_(0) |
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198 { |
66 | 199 } |
200 | |
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201 virtual void DeclareStartupOptions(boost::program_options::options_description& options) |
0 | 202 { |
203 boost::program_options::options_description generic("Sample options"); | |
204 generic.add_options() | |
205 ("instance", boost::program_options::value<std::string>(), | |
206 "Orthanc ID of the instance") | |
207 ("frame", boost::program_options::value<unsigned int>()->default_value(0), | |
208 "Number of the frame, for multi-frame DICOM instances") | |
209 ("smooth", boost::program_options::value<bool>()->default_value(true), | |
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210 "Enable bilinear interpolation to smooth the image") |
0 | 211 ; |
212 | |
213 options.add(generic); | |
214 } | |
215 | |
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216 virtual void Initialize(StoneApplicationContext* context, |
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217 IStatusBar& statusBar, |
0 | 218 const boost::program_options::variables_map& parameters) |
219 { | |
220 using namespace OrthancStone; | |
221 | |
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222 context_ = context; |
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223 |
85 | 224 statusBar.SetMessage("Use the key \"s\" to reinitialize the layout"); |
225 | |
0 | 226 if (parameters.count("instance") != 1) |
227 { | |
228 LOG(ERROR) << "The instance ID is missing"; | |
229 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
230 } | |
231 | |
232 std::string instance = parameters["instance"].as<std::string>(); | |
233 int frame = parameters["frame"].as<unsigned int>(); | |
234 | |
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235 orthancApiClient_.reset(new OrthancApiClient(IObserver::broker_, context_->GetWebService())); |
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236 mainWidget_ = new LayerWidget(broker_, "main-widget"); |
0 | 237 |
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238 std::auto_ptr<OrthancFrameLayerSource> layer(new OrthancFrameLayerSource(broker_, *orthancApiClient_)); |
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239 source_ = layer.get(); |
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240 layer->LoadFrame(instance, frame); |
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241 layer->RegisterObserverCallback(new Callable<SingleFrameApplication, ILayerSource::GeometryReadyMessage>(*this, &SingleFrameApplication::OnMainWidgetGeometryReady)); |
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242 mainWidget_->AddLayer(layer.release()); |
66 | 243 |
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244 RenderStyle s; |
0 | 245 |
246 if (parameters["smooth"].as<bool>()) | |
247 { | |
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248 s.interpolation_ = ImageInterpolation_Bilinear; |
66 | 249 } |
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250 |
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251 mainWidget_->SetLayerStyle(0, s); |
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252 mainWidget_->SetTransmitMouseOver(true); |
66 | 253 |
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254 mainWidgetInteractor_.reset(new Interactor(*this)); |
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255 mainWidget_->SetInteractor(*mainWidgetInteractor_); |
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256 } |
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257 }; |
85 | 258 |
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259 |
0 | 260 } |
261 } |