Mercurial > hg > orthanc-stone

annotate Samples/Sdl/FusionMprSdl.h @ 1246:3fe803f65c47 broker

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proper initialization of opengl canvas size
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jan 2020 12:56:40 +0100
parents eaaa9b574e05
children 2d8ab34c8c91
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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 #include "../../Framework/Viewport/SdlViewport.h"
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22
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23 #include "../../Framework/Messages/IObserver.h"
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24 #include "../../Framework/Messages/IMessageEmitter.h"
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25 #include "../../Framework/Oracle/OracleCommandExceptionMessage.h"
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26 #include "../../Framework/Scene2DViewport/ViewportController.h"
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27 #include "../../Framework/Volumes/DicomVolumeImage.h"
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28 #include "../../Framework/Oracle/ThreadedOracle.h"
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29
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30 #include <boost/enable_shared_from_this.hpp>
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31 #include <boost/thread.hpp>
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32 #include <boost/noncopyable.hpp>
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33
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34 #include <SDL.h>
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35
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36 namespace OrthancStone
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37 {
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38 class OpenGLCompositor;
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39 class IVolumeSlicer;
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40 class ILayerStyleConfigurator;
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41 class DicomStructureSetLoader;
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42 class IOracle;
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43 class ThreadedOracle;
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44 class VolumeSceneLayerSource;
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45 class NativeFusionMprApplicationContext;
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46 class SdlOpenGLViewport;
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47
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48 enum FusionMprGuiTool
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49 {
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50 FusionMprGuiTool_Rotate = 0,
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51 FusionMprGuiTool_Pan,
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52 FusionMprGuiTool_Zoom,
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53 FusionMprGuiTool_LineMeasure,
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54 FusionMprGuiTool_CircleMeasure,
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55 FusionMprGuiTool_AngleMeasure,
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56 FusionMprGuiTool_EllipseMeasure,
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57 FusionMprGuiTool_LAST
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58 };
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59
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60 const char* MeasureToolToString(size_t i);
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61
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62 static const unsigned int FONT_SIZE_0 = 32;
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63 static const unsigned int FONT_SIZE_1 = 24;
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64
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65 class Scene2D;
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66 class UndoStack;
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67
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68 /**
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69 This application subclasses IMessageEmitter to use a mutex before forwarding Oracle messages (that
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70 can be sent from multiple threads)
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71 */
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72 class FusionMprSdlApp : public IObserver
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73 , public boost::enable_shared_from_this<FusionMprSdlApp>
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74 , public IMessageEmitter
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75 {
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76 public:
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77 // 12 because.
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78 FusionMprSdlApp(MessageBroker& broker);
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79
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80 void PrepareScene();
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81 void Run();
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82 void SetInfoDisplayMessage(std::string key, std::string value);
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83 void DisableTracker();
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84
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85 Scene2D& GetScene();
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86 const Scene2D& GetScene() const;
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87
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88 void HandleApplicationEvent(const SDL_Event& event);
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89
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90 /**
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91 This method is called when the scene transform changes. It allows to
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92 recompute the visual elements whose content depend upon the scene transform
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93 */
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94 void OnSceneTransformChanged(
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95 const ViewportController::SceneTransformChanged& message);
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96
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97
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98 virtual void EmitMessage(const IObserver& observer,
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99 const IMessage& message) ORTHANC_OVERRIDE
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100 {
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101 try
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102 {
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103 boost::unique_lock<boost::shared_mutex> lock(mutex_);
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104 oracleObservable_.EmitMessage(observer, message);
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105 }
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106 catch (Orthanc::OrthancException& e)
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107 {
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108 LOG(ERROR) << "Exception while emitting a message: " << e.What();
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109 throw;
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110 }
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111 }
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112
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113 private:
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114 #if 1
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115 // if threaded (not wasm)
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116 MessageBroker& broker_;
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117 IObservable oracleObservable_;
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118 ThreadedOracle oracle_;
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119 boost::shared_mutex mutex_; // to serialize messages from the ThreadedOracle
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120 #endif
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121
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122 void SelectNextTool();
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123
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124 /**
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125 This returns a random point in the canvas part of the scene, but in
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126 scene coordinates
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127 */
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128 ScenePoint2D GetRandomPointInScene() const;
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129
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130 boost::shared_ptr<IFlexiblePointerTracker> TrackerHitTest(const PointerEvent& e);
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131
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132 boost::shared_ptr<IFlexiblePointerTracker> CreateSuitableTracker(
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133 const SDL_Event& event,
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134 const PointerEvent& e);
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135
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136 void TakeScreenshot(
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137 const std::string& target,
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138 unsigned int canvasWidth,
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139 unsigned int canvasHeight);
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140
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141 /**
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142 This adds the command at the top of the undo stack
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143 */
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144 void Commit(boost::shared_ptr<TrackerCommand> cmd);
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145 void Undo();
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146 void Redo();
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147
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148
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149 // TODO private
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150 void Handle(const DicomVolumeImage::GeometryReadyMessage& message);
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151 void Handle(const OracleCommandExceptionMessage& message);
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152
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153 void SetVolume1(
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154 int depth,
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155 const boost::shared_ptr<IVolumeSlicer>& volume,
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156 ILayerStyleConfigurator* style);
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157
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158 void SetVolume2(
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159 int depth,
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160 const boost::shared_ptr<IVolumeSlicer>& volume,
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161 ILayerStyleConfigurator* style);
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162
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163 void SetStructureSet(
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164 int depth,
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165 const boost::shared_ptr<DicomStructureSetLoader>& volume);
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166
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167
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168
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169 private:
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170 void DisplayFloatingCtrlInfoText(const PointerEvent& e);
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171 void DisplayInfoText();
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172 void HideInfoText();
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173
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174 private:
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175 CoordinateSystem3D plane_;
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176
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177 boost::shared_ptr<VolumeSceneLayerSource> source1_, source2_, source3_;
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178
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179 /**
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180 WARNING: the measuring tools do store a reference to the scene, and it
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181 paramount that the scene gets destroyed AFTER the measurement tools.
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182 */
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183 boost::shared_ptr<ViewportController> controller_;
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184
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185 std::map<std::string, std::string> infoTextMap_;
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186 boost::shared_ptr<IFlexiblePointerTracker> activeTracker_;
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187
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188 //static const int LAYER_POSITION = 150;
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189
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190 int TEXTURE_2x2_1_ZINDEX;
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191 int TEXTURE_1x1_ZINDEX;
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192 int TEXTURE_2x2_2_ZINDEX;
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193 int LINESET_1_ZINDEX;
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194 int LINESET_2_ZINDEX;
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195 int FLOATING_INFOTEXT_LAYER_ZINDEX;
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196 int FIXED_INFOTEXT_LAYER_ZINDEX;
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197
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198 FusionMprGuiTool currentTool_;
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199 boost::shared_ptr<UndoStack> undoStack_;
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200 SdlOpenGLViewport viewport_;
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201 };
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202
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203 }
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204
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205
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206