Mercurial > hg > orthanc-stone
annotate Samples/Sdl/TrackerSampleApp.cpp @ 651:62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
(and maybe angle sides) should not scale with zoom.
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Tue, 14 May 2019 09:48:14 +0200 |
| parents | f939f449482c |
| children | 462a5074f914 |
| 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 | |
| 23 #include "../Common/CreateLineMeasureTracker.h" | |
|
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Iteration in angle measuring tool. Text label is not ok and handles and arcs
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
24 #include "../Common/CreateAngleMeasureTracker.h" |
| 644 | 25 |
| 26 #include "../../Applications/Sdl/SdlOpenGLWindow.h" | |
| 27 | |
| 28 #include "../../Framework/Scene2D/PanSceneTracker.h" | |
| 29 #include "../../Framework/Scene2D/RotateSceneTracker.h" | |
| 30 #include "../../Framework/Scene2D/Scene2D.h" | |
| 31 #include "../../Framework/Scene2D/ZoomSceneTracker.h" | |
| 32 #include "../../Framework/Scene2D/CairoCompositor.h" | |
| 33 #include "../../Framework/Scene2D/ColorTextureSceneLayer.h" | |
| 34 #include "../../Framework/Scene2D/OpenGLCompositor.h" | |
| 35 #include "../../Framework/StoneInitialization.h" | |
| 36 | |
| 37 // From Orthanc framework | |
| 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 | |
| 44 #include <SDL.h> | |
| 45 #include <stdio.h> | |
| 46 | |
| 47 using namespace Orthanc; | |
| 48 | |
| 49 namespace OrthancStone | |
| 50 { | |
| 51 const char* MeasureToolToString(size_t i) | |
| 52 { | |
| 53 static const char* descs[] = { | |
| 54 "GuiTool_Rotate", | |
| 55 "GuiTool_Pan", | |
| 56 "GuiTool_Zoom", | |
| 57 "GuiTool_LineMeasure", | |
| 58 "GuiTool_CircleMeasure", | |
| 59 "GuiTool_AngleMeasure", | |
| 60 "GuiTool_EllipseMeasure", | |
| 61 "GuiTool_LAST" | |
| 62 }; | |
| 63 if (i >= GuiTool_LAST) | |
| 64 { | |
| 65 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, "Wrong tool index"); | |
| 66 } | |
| 67 return descs[i]; | |
| 68 } | |
| 69 | |
| 70 Scene2D& TrackerSampleApp::GetScene() | |
| 71 { | |
| 72 return scene_; | |
| 73 } | |
| 74 | |
| 75 void TrackerSampleApp::SelectNextTool() | |
| 76 { | |
| 77 currentTool_ = static_cast<GuiTool>(currentTool_ + 1); | |
| 78 if (currentTool_ == GuiTool_LAST) | |
| 79 currentTool_ = static_cast<GuiTool>(0);; | |
| 80 printf("Current tool is now: %s\n", MeasureToolToString(currentTool_)); | |
| 81 } | |
| 82 | |
| 83 void TrackerSampleApp::DisplayInfoText(const PointerEvent& e) | |
| 84 { | |
| 85 ScenePoint2D p = e.GetMainPosition().Apply(scene_.GetCanvasToSceneTransform()); | |
| 86 | |
| 87 char buf[64]; | |
| 88 sprintf(buf, "(%0.02f,%0.02f)", p.GetX(), p.GetY()); | |
| 89 | |
| 90 if (scene_.HasLayer(INFOTEXT_LAYER_ZINDEX)) | |
| 91 { | |
| 92 TextSceneLayer& layer = | |
| 93 dynamic_cast<TextSceneLayer&>(scene_.GetLayer(INFOTEXT_LAYER_ZINDEX)); | |
| 94 layer.SetText(buf); | |
| 95 layer.SetPosition(p.GetX(), p.GetY()); | |
| 96 } | |
| 97 else | |
| 98 { | |
| 99 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
| 100 layer->SetColor(0, 255, 0); | |
| 101 layer->SetText(buf); | |
| 102 layer->SetBorder(20); | |
| 103 layer->SetAnchor(BitmapAnchor_BottomCenter); | |
| 104 layer->SetPosition(p.GetX(), p.GetY()); | |
| 105 scene_.SetLayer(INFOTEXT_LAYER_ZINDEX, layer.release()); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 void TrackerSampleApp::HideInfoText() | |
| 110 { | |
| 111 scene_.DeleteLayer(INFOTEXT_LAYER_ZINDEX); | |
| 112 } | |
| 113 | |
| 114 void TrackerSampleApp::HandleApplicationEvent( | |
| 115 const OpenGLCompositor & compositor, | |
| 116 const SDL_Event & event) | |
| 117 { | |
| 118 if (event.type == SDL_MOUSEMOTION) | |
| 119 { | |
| 120 int scancodeCount = 0; | |
| 121 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
| 122 | |
| 123 if (activeTracker_.get() == NULL && | |
| 124 SDL_SCANCODE_LCTRL < scancodeCount && | |
| 125 keyboardState[SDL_SCANCODE_LCTRL]) | |
| 126 { | |
| 127 // The "left-ctrl" key is down, while no tracker is present | |
| 128 // Let's display the info text | |
| 129 PointerEvent e; | |
| 130 e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
| 131 DisplayInfoText(e); | |
| 132 } | |
| 133 else | |
| 134 { | |
| 135 HideInfoText(); | |
| 136 //LOG(TRACE) << "(event.type == SDL_MOUSEMOTION)"; | |
| 137 if (activeTracker_.get() != NULL) | |
| 138 { | |
| 139 //LOG(TRACE) << "(activeTracker_.get() != NULL)"; | |
| 140 PointerEvent e; | |
| 141 e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
| 142 //LOG(TRACE) << "event.button.x = " << event.button.x << " " << | |
| 143 // "event.button.y = " << event.button.y; | |
| 144 //LOG(TRACE) << "activeTracker_->PointerMove(e); " << | |
| 145 // e.GetMainPosition().GetX() << " " << e.GetMainPosition().GetY(); | |
| 146 activeTracker_->PointerMove(e); | |
| 147 if (!activeTracker_->IsActive()) | |
| 148 activeTracker_ = NULL; | |
| 149 } | |
| 150 } | |
| 151 } | |
| 152 else if (event.type == SDL_MOUSEBUTTONUP) | |
| 153 { | |
| 154 if (activeTracker_) | |
| 155 { | |
| 156 PointerEvent e; | |
| 157 e.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
| 158 activeTracker_->PointerUp(e); | |
| 159 if (!activeTracker_->IsActive()) | |
| 160 activeTracker_ = NULL; | |
| 161 } | |
| 162 } | |
| 163 else if (event.type == SDL_MOUSEBUTTONDOWN) | |
| 164 { | |
| 165 PointerEvent e; | |
|
651
62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
166 e.AddPosition(compositor.GetPixelCenterCoordinates( |
|
62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
167 event.button.x, event.button.y)); |
| 644 | 168 if (activeTracker_) |
| 169 { | |
| 170 activeTracker_->PointerDown(e); | |
| 171 if (!activeTracker_->IsActive()) | |
| 172 activeTracker_ = NULL; | |
| 173 } | |
| 174 else | |
| 175 { | |
| 176 // we ATTEMPT to create a tracker if need be | |
| 177 activeTracker_ = CreateSuitableTracker(event, e, compositor); | |
| 178 } | |
| 179 } | |
| 180 else if (event.type == SDL_KEYDOWN && | |
| 181 event.key.repeat == 0 /* Ignore key bounce */) | |
| 182 { | |
| 183 switch (event.key.keysym.sym) | |
| 184 { | |
| 185 case SDLK_ESCAPE: | |
| 186 if (activeTracker_) | |
| 187 { | |
| 188 activeTracker_->Cancel(); | |
| 189 if (!activeTracker_->IsActive()) | |
| 190 activeTracker_ = NULL; | |
| 191 } | |
| 192 break; | |
| 193 | |
| 194 case SDLK_t: | |
| 195 if (!activeTracker_) | |
| 196 SelectNextTool(); | |
| 197 else | |
| 198 { | |
| 199 LOG(WARNING) << "You cannot change the active tool when an interaction" | |
| 200 " is taking place"; | |
| 201 } | |
| 202 break; | |
| 203 | |
| 204 case SDLK_s: | |
| 205 scene_.FitContent(compositor.GetCanvasWidth(), | |
| 206 compositor.GetCanvasHeight()); | |
| 207 break; | |
| 208 | |
| 209 case SDLK_c: | |
| 210 TakeScreenshot( | |
| 211 "screenshot.png", | |
| 212 compositor.GetCanvasWidth(), | |
| 213 compositor.GetCanvasHeight()); | |
| 214 break; | |
| 215 | |
| 216 default: | |
| 217 break; | |
| 218 } | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 FlexiblePointerTrackerPtr TrackerSampleApp::CreateSuitableTracker( | |
| 223 const SDL_Event & event, | |
| 224 const PointerEvent & e, | |
| 225 const OpenGLCompositor & compositor) | |
| 226 { | |
| 227 switch (event.button.button) | |
| 228 { | |
| 229 case SDL_BUTTON_MIDDLE: | |
| 230 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
| 231 new PanSceneTracker(scene_, e))); | |
| 232 | |
| 233 case SDL_BUTTON_RIGHT: | |
| 234 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
| 235 new ZoomSceneTracker(scene_, e, compositor.GetCanvasHeight()))); | |
| 236 | |
| 237 case SDL_BUTTON_LEFT: | |
| 238 { | |
| 239 //LOG(TRACE) << "CreateSuitableTracker: case SDL_BUTTON_LEFT:"; | |
| 240 // TODO: we need to iterate on the set of measuring tool and perform | |
| 241 // a hit test to check if a tracker needs to be created for edition. | |
| 242 // Otherwise, depending upon the active tool, we might want to create | |
| 243 // a "measuring tool creation" tracker | |
| 244 | |
| 245 // TODO: if there are conflicts, we should prefer a tracker that | |
| 246 // pertains to the type of measuring tool currently selected (TBD?) | |
| 247 FlexiblePointerTrackerPtr hitTestTracker = TrackerHitTest(e); | |
| 248 | |
| 249 if (hitTestTracker != NULL) | |
| 250 { | |
| 251 //LOG(TRACE) << "hitTestTracker != NULL"; | |
| 252 return hitTestTracker; | |
| 253 } | |
| 254 else | |
| 255 { | |
| 256 switch (currentTool_) | |
| 257 { | |
| 258 case GuiTool_Rotate: | |
| 259 //LOG(TRACE) << "Creating RotateSceneTracker"; | |
| 260 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
| 261 new RotateSceneTracker(scene_, e))); | |
| 262 case GuiTool_Pan: | |
| 263 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
| 264 new PanSceneTracker(scene_, e))); | |
| 265 case GuiTool_Zoom: | |
| 266 return CreateSimpleTrackerAdapter(PointerTrackerPtr( | |
| 267 new ZoomSceneTracker(scene_, e, compositor.GetCanvasHeight()))); | |
| 268 //case GuiTool_AngleMeasure: | |
| 269 // return new AngleMeasureTracker(scene_, measureTools_, undoStack_, e); | |
| 270 //case GuiTool_CircleMeasure: | |
| 271 // return new CircleMeasureTracker(scene_, measureTools_, undoStack_, e); | |
| 272 //case GuiTool_EllipseMeasure: | |
| 273 // return new EllipseMeasureTracker(scene_, measureTools_, undoStack_, e); | |
|
651
62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
274 case GuiTool_LineMeasure: |
|
62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
275 return FlexiblePointerTrackerPtr(new CreateLineMeasureTracker( |
|
62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
276 scene_, undoStack_, measureTools_, e)); |
| 644 | 277 case GuiTool_AngleMeasure: |
|
651
62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
278 return FlexiblePointerTrackerPtr(new CreateAngleMeasureTracker( |
|
62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
279 scene_, undoStack_, measureTools_, e)); |
| 644 | 280 return NULL; |
| 281 case GuiTool_CircleMeasure: | |
| 282 LOG(ERROR) << "Not implemented yet!"; | |
| 283 return NULL; | |
| 284 case GuiTool_EllipseMeasure: | |
| 285 LOG(ERROR) << "Not implemented yet!"; | |
| 286 return NULL; | |
| 287 default: | |
| 288 throw OrthancException(ErrorCode_InternalError, "Wrong tool!"); | |
| 289 } | |
| 290 } | |
| 291 } | |
| 292 default: | |
| 293 return NULL; | |
| 294 } | |
| 295 } | |
| 296 | |
| 297 | |
| 298 void TrackerSampleApp::PrepareScene() | |
| 299 { | |
| 300 // Texture of 2x2 size | |
| 301 { | |
| 302 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 2, 2, false); | |
| 303 | |
| 304 uint8_t* p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
| 305 p[0] = 255; | |
| 306 p[1] = 0; | |
| 307 p[2] = 0; | |
| 308 | |
| 309 p[3] = 0; | |
| 310 p[4] = 255; | |
| 311 p[5] = 0; | |
| 312 | |
| 313 p = reinterpret_cast<uint8_t*>(i.GetRow(1)); | |
| 314 p[0] = 0; | |
| 315 p[1] = 0; | |
| 316 p[2] = 255; | |
| 317 | |
| 318 p[3] = 255; | |
| 319 p[4] = 0; | |
| 320 p[5] = 0; | |
| 321 | |
| 322 scene_.SetLayer(TEXTURE_2x2_1_ZINDEX, new ColorTextureSceneLayer(i)); | |
| 323 | |
| 324 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
| 325 l->SetOrigin(-3, 2); | |
| 326 l->SetPixelSpacing(1.5, 1); | |
| 327 l->SetAngle(20.0 / 180.0 * M_PI); | |
| 328 scene_.SetLayer(TEXTURE_2x2_2_ZINDEX, l.release()); | |
| 329 } | |
| 330 | |
| 331 // Texture of 1x1 size | |
| 332 { | |
| 333 Orthanc::Image i(Orthanc::PixelFormat_RGB24, 1, 1, false); | |
| 334 | |
| 335 uint8_t* p = reinterpret_cast<uint8_t*>(i.GetRow(0)); | |
| 336 p[0] = 255; | |
| 337 p[1] = 0; | |
| 338 p[2] = 0; | |
| 339 | |
| 340 std::auto_ptr<ColorTextureSceneLayer> l(new ColorTextureSceneLayer(i)); | |
| 341 l->SetOrigin(-2, 1); | |
| 342 l->SetAngle(20.0 / 180.0 * M_PI); | |
| 343 scene_.SetLayer(TEXTURE_1x1_ZINDEX, l.release()); | |
| 344 } | |
| 345 | |
| 346 // Some lines | |
| 347 { | |
| 348 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer); | |
| 349 | |
| 350 layer->SetThickness(1); | |
| 351 | |
| 352 PolylineSceneLayer::Chain chain; | |
| 353 chain.push_back(ScenePoint2D(0 - 0.5, 0 - 0.5)); | |
| 354 chain.push_back(ScenePoint2D(0 - 0.5, 2 - 0.5)); | |
| 355 chain.push_back(ScenePoint2D(2 - 0.5, 2 - 0.5)); | |
| 356 chain.push_back(ScenePoint2D(2 - 0.5, 0 - 0.5)); | |
| 357 layer->AddChain(chain, true); | |
| 358 | |
| 359 chain.clear(); | |
| 360 chain.push_back(ScenePoint2D(-5, -5)); | |
| 361 chain.push_back(ScenePoint2D(5, -5)); | |
| 362 chain.push_back(ScenePoint2D(5, 5)); | |
| 363 chain.push_back(ScenePoint2D(-5, 5)); | |
| 364 layer->AddChain(chain, true); | |
| 365 | |
| 366 double dy = 1.01; | |
| 367 chain.clear(); | |
| 368 chain.push_back(ScenePoint2D(-4, -4)); | |
| 369 chain.push_back(ScenePoint2D(4, -4 + dy)); | |
| 370 chain.push_back(ScenePoint2D(-4, -4 + 2.0 * dy)); | |
| 371 chain.push_back(ScenePoint2D(4, 2)); | |
| 372 layer->AddChain(chain, false); | |
| 373 | |
| 374 layer->SetColor(0, 255, 255); | |
| 375 scene_.SetLayer(LINESET_1_ZINDEX, layer.release()); | |
| 376 } | |
| 377 | |
| 378 // Some text | |
| 379 { | |
| 380 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer); | |
| 381 layer->SetText("Hello"); | |
| 382 scene_.SetLayer(LINESET_2_ZINDEX, layer.release()); | |
| 383 } | |
| 384 } | |
| 385 | |
| 386 | |
| 387 void TrackerSampleApp::DisableTracker() | |
| 388 { | |
| 389 if (activeTracker_) | |
| 390 { | |
| 391 activeTracker_->Cancel(); | |
| 392 activeTracker_ = NULL; | |
| 393 } | |
| 394 } | |
| 395 | |
| 396 void TrackerSampleApp::TakeScreenshot(const std::string& target, | |
| 397 unsigned int canvasWidth, | |
| 398 unsigned int canvasHeight) | |
| 399 { | |
| 400 // Take a screenshot, then save it as PNG file | |
| 401 CairoCompositor compositor(scene_, canvasWidth, canvasHeight); | |
| 402 compositor.SetFont(0, Orthanc::EmbeddedResources::UBUNTU_FONT, FONT_SIZE, Orthanc::Encoding_Latin1); | |
| 403 compositor.Refresh(); | |
| 404 | |
| 405 Orthanc::ImageAccessor canvas; | |
| 406 compositor.GetCanvas().GetReadOnlyAccessor(canvas); | |
| 407 | |
| 408 Orthanc::Image png(Orthanc::PixelFormat_RGB24, canvas.GetWidth(), canvas.GetHeight(), false); | |
| 409 Orthanc::ImageProcessing::Convert(png, canvas); | |
| 410 | |
| 411 Orthanc::PngWriter writer; | |
| 412 writer.WriteToFile(target, png); | |
| 413 } | |
| 414 | |
| 415 | |
| 416 FlexiblePointerTrackerPtr TrackerSampleApp::TrackerHitTest(const PointerEvent & e) | |
| 417 { | |
| 418 // std::vector<MeasureToolPtr> measureTools_; | |
| 419 return nullptr; | |
| 420 } | |
| 421 | |
| 422 | |
| 423 | |
| 424 } |