Mercurial > hg > orthanc-stone
annotate Samples/Sdl/TrackerSampleApp.cpp @ 858:e3c56d4f863f
GuiAdapter : mouse event routing in SDL + split the undo stack from the
ViewportController for multi-canvas apps + adapted the samples to this change
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Mon, 24 Jun 2019 10:31:04 +0200 |
| parents | e42b491f1fb2 |
| children | 4bc8d9609447 |
| rev | line source |
|---|---|
| 644 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
| 6 * | |
| 7 * This program is free software: you can redistribute it and/or | |
| 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. | |
| 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 | |
| 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 | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 #include "TrackerSampleApp.h" | |
| 22 | |
| 737 | 23 #include "../../Applications/Sdl/SdlOpenGLWindow.h" |
| 644 | 24 |
| 737 | 25 #include "../../Framework/Scene2D/CairoCompositor.h" |
| 26 #include "../../Framework/Scene2D/ColorTextureSceneLayer.h" | |
| 27 #include "../../Framework/Scene2D/OpenGLCompositor.h" | |
| 28 #include "../../Framework/Scene2D/PanSceneTracker.h" | |
| 29 #include "../../Framework/Scene2D/RotateSceneTracker.h" | |
| 30 #include "../../Framework/Scene2D/Scene2D.h" | |
| 31 #include "../../Framework/Scene2D/ZoomSceneTracker.h" | |
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32 #include "../../Framework/Scene2DViewport/UndoStack.h" |
| 737 | 33 #include "../../Framework/Scene2DViewport/CreateAngleMeasureTracker.h" |
| 34 #include "../../Framework/Scene2DViewport/CreateLineMeasureTracker.h" | |
| 35 #include "../../Framework/StoneInitialization.h" | |
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36 |
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37 // From Orthanc framework |
| 644 | 38 #include <Core/Logging.h> |
| 39 #include <Core/OrthancException.h> | |
| 40 #include <Core/Images/Image.h> | |
| 41 #include <Core/Images/ImageProcessing.h> | |
| 42 #include <Core/Images/PngWriter.h> | |
| 43 | |
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44 #include <boost/ref.hpp> |
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45 #include <boost/make_shared.hpp> |
| 644 | 46 #include <SDL.h> |
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47 |
| 644 | 48 #include <stdio.h> |
| 49 | |
| 50 namespace OrthancStone | |
| 51 { | |
| 52 const char* MeasureToolToString(size_t i) | |
| 53 { | |
| 54 static const char* descs[] = { | |
| 55 "GuiTool_Rotate", | |
| 56 "GuiTool_Pan", | |
| 57 "GuiTool_Zoom", | |
| 58 "GuiTool_LineMeasure", | |
| 59 "GuiTool_CircleMeasure", | |
| 60 "GuiTool_AngleMeasure", | |
| 61 "GuiTool_EllipseMeasure", | |
| 62 "GuiTool_LAST" | |
| 63 }; | |
| 64 if (i >= GuiTool_LAST) | |
| 65 { | |
| 66 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, "Wrong tool index"); | |
| 67 } | |
| 68 return descs[i]; | |
| 69 } | |
| 70 | |
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71 boost::shared_ptr<Scene2D> TrackerSampleApp::GetScene() |
| 644 | 72 { |
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73 return controller_->GetScene(); |
| 644 | 74 } |
| 75 | |
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76 boost::shared_ptr<const Scene2D> TrackerSampleApp::GetScene() const |
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77 { |
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78 return controller_->GetScene(); |
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79 } |
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80 |
| 644 | 81 void TrackerSampleApp::SelectNextTool() |
| 82 { | |
| 83 currentTool_ = static_cast<GuiTool>(currentTool_ + 1); | |
| 84 if (currentTool_ == GuiTool_LAST) | |
| 85 currentTool_ = static_cast<GuiTool>(0);; | |
| 86 printf("Current tool is now: %s\n", MeasureToolToString(currentTool_)); | |
| 87 } | |
| 88 | |
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89 void TrackerSampleApp::DisplayInfoText() |
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90 { |
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91 // do not try to use stuff too early! |
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92 if (compositor_.get() == NULL) |
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93 return; |
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94 |
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95 std::stringstream msg; |
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96 |
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97 for (std::map<std::string, std::string>::const_iterator kv = infoTextMap_.begin(); |
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98 kv != infoTextMap_.end(); ++kv) |
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99 { |
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100 msg << kv->first << " : " << kv->second << std::endl; |
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101 } |
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102 std::string msgS = msg.str(); |
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103 |
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104 TextSceneLayer* layerP = NULL; |
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105 if (GetScene()->HasLayer(FIXED_INFOTEXT_LAYER_ZINDEX)) |
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106 { |
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107 TextSceneLayer& layer = dynamic_cast<TextSceneLayer&>( |
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108 GetScene()->GetLayer(FIXED_INFOTEXT_LAYER_ZINDEX)); |
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109 layerP = &layer; |
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110 } |
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111 else |
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112 { |
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113 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); |
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114 layerP = layer.get(); |
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115 layer->SetColor(0, 255, 0); |
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116 layer->SetFontIndex(1); |
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117 layer->SetBorder(20); |
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118 layer->SetAnchor(BitmapAnchor_TopLeft); |
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119 //layer->SetPosition(0,0); |
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120 GetScene()->SetLayer(FIXED_INFOTEXT_LAYER_ZINDEX, layer.release()); |
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121 } |
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122 // position the fixed info text in the upper right corner |
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123 layerP->SetText(msgS.c_str()); |
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124 double cX = compositor_->GetCanvasWidth() * (-0.5); |
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125 double cY = compositor_->GetCanvasHeight() * (-0.5); |
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126 GetScene()->GetCanvasToSceneTransform().Apply(cX,cY); |
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127 layerP->SetPosition(cX, cY); |
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128 } |
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129 |
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130 void TrackerSampleApp::DisplayFloatingCtrlInfoText(const PointerEvent& e) |
| 644 | 131 { |
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132 ScenePoint2D p = e.GetMainPosition().Apply(GetScene()->GetCanvasToSceneTransform()); |
| 644 | 133 |
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134 char buf[128]; |
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135 sprintf(buf, "S:(%0.02f,%0.02f) C:(%0.02f,%0.02f)", |
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136 p.GetX(), p.GetY(), |
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137 e.GetMainPosition().GetX(), e.GetMainPosition().GetY()); |
| 644 | 138 |
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139 if (GetScene()->HasLayer(FLOATING_INFOTEXT_LAYER_ZINDEX)) |
| 644 | 140 { |
| 141 TextSceneLayer& layer = | |
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142 dynamic_cast<TextSceneLayer&>(GetScene()->GetLayer(FLOATING_INFOTEXT_LAYER_ZINDEX)); |
| 644 | 143 layer.SetText(buf); |
| 144 layer.SetPosition(p.GetX(), p.GetY()); | |
| 145 } | |
| 146 else | |
| 147 { | |
| 148 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
| 149 layer->SetColor(0, 255, 0); | |
| 150 layer->SetText(buf); | |
| 151 layer->SetBorder(20); | |
| 152 layer->SetAnchor(BitmapAnchor_BottomCenter); | |
| 153 layer->SetPosition(p.GetX(), p.GetY()); | |
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154 GetScene()->SetLayer(FLOATING_INFOTEXT_LAYER_ZINDEX, layer.release()); |
| 644 | 155 } |
| 156 } | |
| 157 | |
| 158 void TrackerSampleApp::HideInfoText() | |
| 159 { | |
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160 GetScene()->DeleteLayer(FLOATING_INFOTEXT_LAYER_ZINDEX); |
| 644 | 161 } |
| 162 | |
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163 ScenePoint2D TrackerSampleApp::GetRandomPointInScene() const |
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164 { |
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165 unsigned int w = compositor_->GetCanvasWidth(); |
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166 LOG(TRACE) << "compositor_->GetCanvasWidth() = " << |
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167 compositor_->GetCanvasWidth(); |
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168 unsigned int h = compositor_->GetCanvasHeight(); |
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169 LOG(TRACE) << "compositor_->GetCanvasHeight() = " << |
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170 compositor_->GetCanvasHeight(); |
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171 |
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172 if ((w >= RAND_MAX) || (h >= RAND_MAX)) |
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173 LOG(WARNING) << "Canvas is too big : tools will not be randomly placed"; |
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174 |
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175 int x = rand() % w; |
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176 int y = rand() % h; |
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177 LOG(TRACE) << "random x = " << x << "random y = " << y; |
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178 |
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179 ScenePoint2D p = compositor_->GetPixelCenterCoordinates(x, y); |
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180 LOG(TRACE) << "--> p.GetX() = " << p.GetX() << " p.GetY() = " << p.GetY(); |
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181 |
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182 ScenePoint2D r = p.Apply(GetScene()->GetCanvasToSceneTransform()); |
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183 LOG(TRACE) << "--> r.GetX() = " << r.GetX() << " r.GetY() = " << r.GetY(); |
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184 return r; |
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185 } |
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186 |
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187 void TrackerSampleApp::CreateRandomMeasureTool() |
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188 { |
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189 static bool srandCalled = false; |
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190 if (!srandCalled) |
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191 { |
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192 srand(42); |
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193 srandCalled = true; |
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194 } |
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195 |
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196 int i = rand() % 2; |
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197 LOG(TRACE) << "random i = " << i; |
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198 switch (i) |
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199 { |
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200 case 0: |
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201 // line measure |
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202 { |
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203 boost::shared_ptr<CreateLineMeasureCommand> cmd = |
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204 boost::make_shared<CreateLineMeasureCommand>( |
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205 boost::ref(IObserver::GetBroker()), |
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206 controller_, |
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207 GetRandomPointInScene()); |
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208 cmd->SetEnd(GetRandomPointInScene()); |
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209 controller_->PushCommand(cmd); |
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210 } |
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211 break; |
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212 case 1: |
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213 // angle measure |
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214 { |
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215 boost::shared_ptr<CreateAngleMeasureCommand> cmd = |
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216 boost::make_shared<CreateAngleMeasureCommand>( |
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217 boost::ref(IObserver::GetBroker()), |
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218 controller_, |
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219 GetRandomPointInScene()); |
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220 cmd->SetCenter(GetRandomPointInScene()); |
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221 cmd->SetSide2End(GetRandomPointInScene()); |
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222 controller_->PushCommand(cmd); |
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223 } |
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224 break; |
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225 } |
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226 } |
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227 |
| 644 | 228 void TrackerSampleApp::HandleApplicationEvent( |
| 229 const SDL_Event & event) | |
| 230 { | |
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231 DisplayInfoText(); |
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232 |
| 644 | 233 if (event.type == SDL_MOUSEMOTION) |
| 234 { | |
| 235 int scancodeCount = 0; | |
| 236 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
| 237 | |
| 238 if (activeTracker_.get() == NULL && | |
| 750 | 239 SDL_SCANCODE_LALT < scancodeCount && |
| 240 keyboardState[SDL_SCANCODE_LALT]) | |
| 644 | 241 { |
| 242 // The "left-ctrl" key is down, while no tracker is present | |
| 243 // Let's display the info text | |
| 244 PointerEvent e; | |
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245 e.AddPosition(compositor_->GetPixelCenterCoordinates( |
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246 event.button.x, event.button.y)); |
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247 |
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248 DisplayFloatingCtrlInfoText(e); |
| 644 | 249 } |
| 250 else | |
| 251 { | |
| 252 HideInfoText(); | |
| 253 //LOG(TRACE) << "(event.type == SDL_MOUSEMOTION)"; | |
| 254 if (activeTracker_.get() != NULL) | |
| 255 { | |
| 256 //LOG(TRACE) << "(activeTracker_.get() != NULL)"; | |
| 257 PointerEvent e; | |
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258 e.AddPosition(compositor_->GetPixelCenterCoordinates( |
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259 event.button.x, event.button.y)); |
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260 |
| 644 | 261 //LOG(TRACE) << "event.button.x = " << event.button.x << " " << |
| 262 // "event.button.y = " << event.button.y; | |
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263 LOG(TRACE) << "activeTracker_->PointerMove(e); " << |
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264 e.GetMainPosition().GetX() << " " << e.GetMainPosition().GetY(); |
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265 |
| 644 | 266 activeTracker_->PointerMove(e); |
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267 if (!activeTracker_->IsAlive()) |
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268 activeTracker_.reset(); |
| 644 | 269 } |
| 270 } | |
| 271 } | |
| 272 else if (event.type == SDL_MOUSEBUTTONUP) | |
| 273 { | |
| 274 if (activeTracker_) | |
| 275 { | |
| 276 PointerEvent e; | |
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277 e.AddPosition(compositor_->GetPixelCenterCoordinates(event.button.x, event.button.y)); |
| 644 | 278 activeTracker_->PointerUp(e); |
|
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279 if (!activeTracker_->IsAlive()) |
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280 activeTracker_.reset(); |
| 644 | 281 } |
| 282 } | |
| 283 else if (event.type == SDL_MOUSEBUTTONDOWN) | |
| 284 { | |
| 285 PointerEvent e; | |
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286 e.AddPosition(compositor_->GetPixelCenterCoordinates( |
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287 event.button.x, event.button.y)); |
| 644 | 288 if (activeTracker_) |
| 289 { | |
| 290 activeTracker_->PointerDown(e); | |
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291 if (!activeTracker_->IsAlive()) |
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292 activeTracker_.reset(); |
| 644 | 293 } |
| 294 else | |
| 295 { | |
| 296 // we ATTEMPT to create a tracker if need be | |
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297 activeTracker_ = CreateSuitableTracker(event, e); |
| 644 | 298 } |
| 299 } | |
| 300 else if (event.type == SDL_KEYDOWN && | |
| 301 event.key.repeat == 0 /* Ignore key bounce */) | |
| 302 { | |
| 303 switch (event.key.keysym.sym) | |
| 304 { | |
| 305 case SDLK_ESCAPE: | |
| 306 if (activeTracker_) | |
| 307 { | |
| 308 activeTracker_->Cancel(); | |
|
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309 if (!activeTracker_->IsAlive()) |
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310 activeTracker_.reset(); |
| 644 | 311 } |
| 312 break; | |
| 313 | |
| 314 case SDLK_t: | |
| 315 if (!activeTracker_) | |
| 316 SelectNextTool(); | |
| 317 else | |
| 318 { | |
| 319 LOG(WARNING) << "You cannot change the active tool when an interaction" | |
| 320 " is taking place"; | |
| 321 } | |
| 322 break; | |
| 323 | |
| 753 | 324 case SDLK_m: |
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325 CreateRandomMeasureTool(); |
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326 break; |
| 644 | 327 case SDLK_s: |
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328 controller_->FitContent(compositor_->GetCanvasWidth(), |
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329 compositor_->GetCanvasHeight()); |
| 644 | 330 break; |
| 331 | |
| 750 | 332 case SDLK_z: |
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333 LOG(TRACE) << "SDLK_z has been pressed. event.key.keysym.mod == " << event.key.keysym.mod; |
| 750 | 334 if (event.key.keysym.mod & KMOD_CTRL) |
| 335 { | |
| 336 if (controller_->CanUndo()) | |
| 337 { | |
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338 LOG(TRACE) << "Undoing..."; |
| 750 | 339 controller_->Undo(); |
| 340 } | |
| 341 else | |
| 342 { | |
| 343 LOG(WARNING) << "Nothing to undo!!!"; | |
| 344 } | |
| 345 } | |
| 346 break; | |
| 347 | |
| 348 case SDLK_y: | |
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349 LOG(TRACE) << "SDLK_y has been pressed. event.key.keysym.mod == " << event.key.keysym.mod; |
| 750 | 350 if (event.key.keysym.mod & KMOD_CTRL) |
| 351 { | |
| 352 if (controller_->CanRedo()) | |
| 353 { | |
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354 LOG(TRACE) << "Redoing..."; |
| 750 | 355 controller_->Redo(); |
| 356 } | |
| 357 else | |
| 358 { | |
| 359 LOG(WARNING) << "Nothing to redo!!!"; | |
| 360 } | |
| 361 } | |
| 362 break; | |
| 363 | |
| 644 | 364 case SDLK_c: |
| 365 TakeScreenshot( | |
| 366 "screenshot.png", | |
|
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367 compositor_->GetCanvasWidth(), |
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368 compositor_->GetCanvasHeight()); |
| 644 | 369 break; |
| 370 | |
| 371 default: | |
| 372 break; | |
| 373 } | |
| 374 } | |
| 375 } | |
| 376 | |
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377 |
|
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378 void TrackerSampleApp::OnSceneTransformChanged( |
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379 const ViewportController::SceneTransformChanged& message) |
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380 { |
|
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381 DisplayInfoText(); |
|
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382 } |
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383 |
|
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384 boost::shared_ptr<IFlexiblePointerTracker> TrackerSampleApp::CreateSuitableTracker( |
| 644 | 385 const SDL_Event & event, |
|
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386 const PointerEvent & e) |
| 644 | 387 { |
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388 using namespace Orthanc; |
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389 |
| 644 | 390 switch (event.button.button) |
| 391 { | |
| 392 case SDL_BUTTON_MIDDLE: | |
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393 return boost::shared_ptr<IFlexiblePointerTracker>(new PanSceneTracker |
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394 (controller_, e)); |
| 644 | 395 |
| 396 case SDL_BUTTON_RIGHT: | |
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397 return boost::shared_ptr<IFlexiblePointerTracker>(new ZoomSceneTracker |
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398 (controller_, e, compositor_->GetCanvasHeight())); |
| 644 | 399 |
| 400 case SDL_BUTTON_LEFT: | |
| 401 { | |
| 402 //LOG(TRACE) << "CreateSuitableTracker: case SDL_BUTTON_LEFT:"; | |
| 403 // TODO: we need to iterate on the set of measuring tool and perform | |
| 404 // a hit test to check if a tracker needs to be created for edition. | |
| 405 // Otherwise, depending upon the active tool, we might want to create | |
| 406 // a "measuring tool creation" tracker | |
| 407 | |
| 408 // TODO: if there are conflicts, we should prefer a tracker that | |
| 409 // pertains to the type of measuring tool currently selected (TBD?) | |
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410 boost::shared_ptr<IFlexiblePointerTracker> hitTestTracker = TrackerHitTest(e); |
| 644 | 411 |
| 412 if (hitTestTracker != NULL) | |
| 413 { | |
| 414 //LOG(TRACE) << "hitTestTracker != NULL"; | |
| 415 return hitTestTracker; | |
| 416 } | |
| 417 else | |
| 418 { | |
| 419 switch (currentTool_) | |
| 420 { | |
| 421 case GuiTool_Rotate: | |
| 422 //LOG(TRACE) << "Creating RotateSceneTracker"; | |
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423 return boost::shared_ptr<IFlexiblePointerTracker>(new RotateSceneTracker( |
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424 controller_, e)); |
| 644 | 425 case GuiTool_Pan: |
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426 return boost::shared_ptr<IFlexiblePointerTracker>(new PanSceneTracker( |
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427 controller_, e)); |
| 644 | 428 case GuiTool_Zoom: |
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429 return boost::shared_ptr<IFlexiblePointerTracker>(new ZoomSceneTracker( |
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430 controller_, e, compositor_->GetCanvasHeight())); |
| 644 | 431 //case GuiTool_AngleMeasure: |
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432 // return new AngleMeasureTracker(GetScene(), e); |
| 644 | 433 //case GuiTool_CircleMeasure: |
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434 // return new CircleMeasureTracker(GetScene(), e); |
| 644 | 435 //case GuiTool_EllipseMeasure: |
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436 // return new EllipseMeasureTracker(GetScene(), e); |
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437 case GuiTool_LineMeasure: |
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438 return boost::shared_ptr<IFlexiblePointerTracker>(new CreateLineMeasureTracker( |
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439 IObserver::GetBroker(), controller_, e)); |
| 644 | 440 case GuiTool_AngleMeasure: |
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441 return boost::shared_ptr<IFlexiblePointerTracker>(new CreateAngleMeasureTracker( |
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442 IObserver::GetBroker(), controller_, e)); |
| 644 | 443 case GuiTool_CircleMeasure: |
| 444 LOG(ERROR) << "Not implemented yet!"; | |
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445 return boost::shared_ptr<IFlexiblePointerTracker>(); |
| 644 | 446 case GuiTool_EllipseMeasure: |
| 447 LOG(ERROR) << "Not implemented yet!"; | |
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448 return boost::shared_ptr<IFlexiblePointerTracker>(); |
| 644 | 449 default: |
| 450 throw OrthancException(ErrorCode_InternalError, "Wrong tool!"); | |
| 451 } | |
| 452 } | |
| 453 } | |
| 454 default: | |
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455 return boost::shared_ptr<IFlexiblePointerTracker>(); |
| 644 | 456 } |
| 457 } | |
| 458 | |
| 459 | |
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460 TrackerSampleApp::TrackerSampleApp(MessageBroker& broker) : IObserver(broker) |
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461 , currentTool_(GuiTool_Rotate) |
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462 , undoStack_(new UndoStack) |
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463 { |
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464 controller_ = boost::shared_ptr<ViewportController>( |
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465 new ViewportController(undoStack_, broker)); |
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466 |
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467 controller_->RegisterObserverCallback( |
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468 new Callable<TrackerSampleApp, ViewportController::SceneTransformChanged> |
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469 (*this, &TrackerSampleApp::OnSceneTransformChanged)); |
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470 |
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471 TEXTURE_2x2_1_ZINDEX = 1; |
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472 TEXTURE_1x1_ZINDEX = 2; |
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473 TEXTURE_2x2_2_ZINDEX = 3; |
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474 LINESET_1_ZINDEX = 4; |
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475 LINESET_2_ZINDEX = 5; |
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476 FLOATING_INFOTEXT_LAYER_ZINDEX = 6; |
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477 FIXED_INFOTEXT_LAYER_ZINDEX = 7; |
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478 } |
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479 |
| 644 | 480 void TrackerSampleApp::PrepareScene() |
| 481 { | |
| 482 // Texture of 2x2 size | |
| 483 { | |
| 484 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 2, 2, false); | |
| 485 | |
| 486 uint8_t* p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
| 487 p[0] = 255; | |
| 488 p[1] = 0; | |
| 489 p[2] = 0; | |
| 490 | |
| 491 p[3] = 0; | |
| 492 p[4] = 255; | |
| 493 p[5] = 0; | |
| 494 | |
| 495 p = reinterpret_cast<uint8_t*>(i.GetRow(1)); | |
| 496 p[0] = 0; | |
| 497 p[1] = 0; | |
| 498 p[2] = 255; | |
| 499 | |
| 500 p[3] = 255; | |
| 501 p[4] = 0; | |
| 502 p[5] = 0; | |
| 503 | |
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504 GetScene()->SetLayer(TEXTURE_2x2_1_ZINDEX, new ColorTextureSceneLayer(i)); |
| 644 | 505 |
| 506 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
| 507 l->SetOrigin(-3, 2); | |
| 508 l->SetPixelSpacing(1.5, 1); | |
| 509 l->SetAngle(20.0 / 180.0 * M_PI); | |
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510 GetScene()->SetLayer(TEXTURE_2x2_2_ZINDEX, l.release()); |
| 644 | 511 } |
| 512 | |
| 513 // Texture of 1x1 size | |
| 514 { | |
| 515 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 1, 1, false); | |
| 516 | |
| 517 uint8_t* p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
| 518 p[0] = 255; | |
| 519 p[1] = 0; | |
| 520 p[2] = 0; | |
| 521 | |
| 522 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
| 523 l->SetOrigin(-2, 1); | |
| 524 l->SetAngle(20.0 / 180.0 * M_PI); | |
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525 GetScene()->SetLayer(TEXTURE_1x1_ZINDEX, l.release()); |
| 644 | 526 } |
| 527 | |
| 528 // Some lines | |
| 529 { | |
| 530 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer); | |
| 531 | |
| 532 layer->SetThickness(1); | |
| 533 | |
| 534 PolylineSceneLayer::Chain chain; | |
| 535 chain.push_back(ScenePoint2D(0 - 0.5, 0 - 0.5)); | |
| 536 chain.push_back(ScenePoint2D(0 - 0.5, 2 - 0.5)); | |
| 537 chain.push_back(ScenePoint2D(2 - 0.5, 2 - 0.5)); | |
| 538 chain.push_back(ScenePoint2D(2 - 0.5, 0 - 0.5)); | |
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539 layer->AddChain(chain, true, 255, 0, 0); |
| 644 | 540 |
| 541 chain.clear(); | |
| 542 chain.push_back(ScenePoint2D(-5, -5)); | |
| 543 chain.push_back(ScenePoint2D(5, -5)); | |
| 544 chain.push_back(ScenePoint2D(5, 5)); | |
| 545 chain.push_back(ScenePoint2D(-5, 5)); | |
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546 layer->AddChain(chain, true, 0, 255, 0); |
| 644 | 547 |
| 548 double dy = 1.01; | |
| 549 chain.clear(); | |
| 550 chain.push_back(ScenePoint2D(-4, -4)); | |
| 551 chain.push_back(ScenePoint2D(4, -4 + dy)); | |
| 552 chain.push_back(ScenePoint2D(-4, -4 + 2.0 * dy)); | |
| 553 chain.push_back(ScenePoint2D(4, 2)); | |
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554 layer->AddChain(chain, false, 0, 0, 255); |
| 644 | 555 |
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556 GetScene()->SetLayer(LINESET_1_ZINDEX, layer.release()); |
| 644 | 557 } |
| 558 | |
| 559 // Some text | |
| 560 { | |
| 561 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
| 562 layer->SetText("Hello"); | |
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563 GetScene()->SetLayer(LINESET_2_ZINDEX, layer.release()); |
| 644 | 564 } |
| 565 } | |
| 566 | |
| 567 | |
| 568 void TrackerSampleApp::DisableTracker() | |
| 569 { | |
| 570 if (activeTracker_) | |
| 571 { | |
| 572 activeTracker_->Cancel(); | |
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573 activeTracker_.reset(); |
| 644 | 574 } |
| 575 } | |
| 576 | |
| 577 void TrackerSampleApp::TakeScreenshot(const std::string& target, | |
| 578 unsigned int canvasWidth, | |
| 579 unsigned int canvasHeight) | |
| 580 { | |
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581 CairoCompositor compositor(*GetScene(), canvasWidth, canvasHeight); |
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582 compositor.SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, FONT_SIZE_0, Orthanc::Encoding_Latin1); |
| 644 | 583 compositor.Refresh(); |
| 584 | |
| 585 Orthanc::ImageAccessor canvas; | |
| 586 compositor.GetCanvas().GetReadOnlyAccessor(canvas); | |
| 587 | |
| 588 Orthanc::Image png(Orthanc::PixelFormat_RGB24, canvas.GetWidth(), canvas.GetHeight(), false); | |
| 589 Orthanc::ImageProcessing::Convert(png, canvas); | |
| 590 | |
| 591 Orthanc::PngWriter writer; | |
| 592 writer.WriteToFile(target, png); | |
| 593 } | |
| 594 | |
| 595 | |
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596 boost::shared_ptr<IFlexiblePointerTracker> TrackerSampleApp::TrackerHitTest(const PointerEvent & e) |
| 644 | 597 { |
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598 // std::vector<boost::shared_ptr<MeasureTool>> measureTools_; |
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599 return boost::shared_ptr<IFlexiblePointerTracker>(); |
| 644 | 600 } |
| 601 | |
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602 static void GLAPIENTRY |
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603 OpenGLMessageCallback(GLenum source, |
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604 GLenum type, |
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605 GLuint id, |
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606 GLenum severity, |
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607 GLsizei length, |
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608 const GLchar* message, |
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609 const void* userParam) |
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610 { |
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611 if (severity != GL_DEBUG_SEVERITY_NOTIFICATION) |
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612 { |
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613 fprintf(stderr, "GL CALLBACK: %s type = 0x%x, severity = 0x%x, message = %s\n", |
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614 (type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR **" : ""), |
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615 type, severity, message); |
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616 } |
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617 } |
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618 |
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619 static bool g_stopApplication = false; |
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620 |
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621 void TrackerSampleApp::Run() |
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622 { |
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623 // False means we do NOT let Windows treat this as a legacy application |
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624 // that needs to be scaled |
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625 SdlOpenGLWindow window("Hello", 1024, 1024, false); |
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626 |
|
721
af0aa0c149fa
FitContent is now wrapped by the controller (for observability)
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627 controller_->FitContent(window.GetCanvasWidth(), window.GetCanvasHeight()); |
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656
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628 |
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629 glEnable(GL_DEBUG_OUTPUT); |
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630 glDebugMessageCallback(OpenGLMessageCallback, 0); |
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631 |
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700
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632 compositor_.reset(new OpenGLCompositor(window, *GetScene())); |
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656
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633 |
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634 compositor_->SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, |
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635 FONT_SIZE_0, Orthanc::Encoding_Latin1); |
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636 compositor_->SetFont(1, Orthanc::EmbeddedResources::UBUNTU_FONT, |
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637 FONT_SIZE_1, Orthanc::Encoding_Latin1); |
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638 |
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639 while (!g_stopApplication) |
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640 { |
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641 compositor_->Refresh(); |
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642 |
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643 SDL_Event event; |
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644 while (!g_stopApplication && SDL_PollEvent(&event)) |
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645 { |
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646 if (event.type == SDL_QUIT) |
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647 { |
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648 g_stopApplication = true; |
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649 break; |
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650 } |
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651 else if (event.type == SDL_WINDOWEVENT && |
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652 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) |
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653 { |
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654 DisableTracker(); // was: tracker.reset(NULL); |
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655 compositor_->UpdateSize(); |
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656 } |
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657 else if (event.type == SDL_KEYDOWN && |
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658 event.key.repeat == 0 /* Ignore key bounce */) |
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659 { |
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660 switch (event.key.keysym.sym) |
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661 { |
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662 case SDLK_f: |
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663 window.GetWindow().ToggleMaximize(); |
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664 break; |
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665 |
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666 case SDLK_q: |
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667 g_stopApplication = true; |
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668 break; |
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669 default: |
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670 break; |
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671 } |
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672 } |
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673 HandleApplicationEvent(event); |
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674 } |
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675 SDL_Delay(1); |
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676 } |
|
700
059e1fd05fd6
Introduced the ViewportController that sits between the application and the
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677 |
|
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678 // the following is paramount because the compositor holds a reference |
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679 // to the scene and we do not want this reference to become dangling |
|
656
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680 compositor_.reset(NULL); |
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681 } |
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|
682 |
|
660
cb3b76d16234
Added info display map to the app + global logging function + fixed bisecting
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683 void TrackerSampleApp::SetInfoDisplayMessage( |
|
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684 std::string key, std::string value) |
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685 { |
|
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Added info display map to the app + global logging function + fixed bisecting
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686 if (value == "") |
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Added info display map to the app + global logging function + fixed bisecting
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687 infoTextMap_.erase(key); |
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|
688 else |
|
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Added info display map to the app + global logging function + fixed bisecting
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689 infoTextMap_[key] = value; |
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Added info display map to the app + global logging function + fixed bisecting
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690 DisplayInfoText(); |
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691 } |
| 644 | 692 |
| 693 } |