Mercurial > hg > orthanc-stone
view Samples/Sdl/TrackerSampleApp.h @ 872:733c6db3e5a3 am-dev
limiting the size of the cache
author | Alain Mazy <alain@mazy.be> |
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date | Mon, 01 Jul 2019 13:36:51 +0200 |
parents | e3c56d4f863f |
children | 0aff28f15ea2 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "../../Framework/Messages/IObserver.h" #include "../../Framework/Scene2D/OpenGLCompositor.h" #include "../../Framework/Scene2DViewport/IFlexiblePointerTracker.h" #include "../../Framework/Scene2DViewport/MeasureTool.h" #include "../../Framework/Scene2DViewport/PredeclaredTypes.h" #include "../../Framework/Scene2DViewport/ViewportController.h" #include <SDL.h> #include <boost/make_shared.hpp> #include <boost/shared_ptr.hpp> #include <boost/enable_shared_from_this.hpp> namespace OrthancStone { enum GuiTool { GuiTool_Rotate = 0, GuiTool_Pan, GuiTool_Zoom, GuiTool_LineMeasure, GuiTool_CircleMeasure, GuiTool_AngleMeasure, GuiTool_EllipseMeasure, GuiTool_LAST }; const char* MeasureToolToString(size_t i); static const unsigned int FONT_SIZE_0 = 32; static const unsigned int FONT_SIZE_1 = 24; class Scene2D; class UndoStack; class TrackerSampleApp : public IObserver , public boost::enable_shared_from_this<TrackerSampleApp> { public: // 12 because. TrackerSampleApp(MessageBroker& broker); void PrepareScene(); void Run(); void SetInfoDisplayMessage(std::string key, std::string value); void DisableTracker(); boost::shared_ptr<Scene2D> GetScene(); boost::shared_ptr<const Scene2D> GetScene() const; void HandleApplicationEvent(const SDL_Event& event); /** This method is called when the scene transform changes. It allows to recompute the visual elements whose content depend upon the scene transform */ void OnSceneTransformChanged( const ViewportController::SceneTransformChanged& message); private: void SelectNextTool(); void CreateRandomMeasureTool(); /** This returns a random point in the canvas part of the scene, but in scene coordinates */ ScenePoint2D GetRandomPointInScene() const; boost::shared_ptr<IFlexiblePointerTracker> TrackerHitTest(const PointerEvent& e); boost::shared_ptr<IFlexiblePointerTracker> CreateSuitableTracker( const SDL_Event& event, const PointerEvent& e); void TakeScreenshot( const std::string& target, unsigned int canvasWidth, unsigned int canvasHeight); /** This adds the command at the top of the undo stack */ void Commit(boost::shared_ptr<TrackerCommand> cmd); void Undo(); void Redo(); private: void DisplayFloatingCtrlInfoText(const PointerEvent& e); void DisplayInfoText(); void HideInfoText(); private: std::auto_ptr<OpenGLCompositor> compositor_; /** WARNING: the measuring tools do store a reference to the scene, and it paramount that the scene gets destroyed AFTER the measurement tools. */ boost::shared_ptr<ViewportController> controller_; std::map<std::string, std::string> infoTextMap_; boost::shared_ptr<IFlexiblePointerTracker> activeTracker_; //static const int LAYER_POSITION = 150; int TEXTURE_2x2_1_ZINDEX; int TEXTURE_1x1_ZINDEX; int TEXTURE_2x2_2_ZINDEX; int LINESET_1_ZINDEX; int LINESET_2_ZINDEX; int FLOATING_INFOTEXT_LAYER_ZINDEX; int FIXED_INFOTEXT_LAYER_ZINDEX; GuiTool currentTool_; boost::shared_ptr<UndoStack> undoStack_; }; }