Mercurial > hg > orthanc-stone
diff Deprecated/Samples/Sdl/TrackerSampleApp.h @ 1402:65e1e4b08302
moved deprecated samples into Deprecated
author | Alain Mazy <alain@mazy.be> |
---|---|
date | Wed, 29 Apr 2020 20:50:53 +0200 |
parents | Samples/Deprecated/Sdl/TrackerSampleApp.h@eac254fb6791 |
children | 828a9b4ee1b7 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Deprecated/Samples/Sdl/TrackerSampleApp.h Wed Apr 29 20:50:53 2020 +0200 @@ -0,0 +1,148 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2020 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 "../../Framework/Viewport/SdlViewport.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(); + + 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(); + + + /** + In the case of this app, the viewport is an SDL viewport and it has + a OpenGLCompositor& GetCompositor() method + */ + ICompositor& GetCompositor(); + + /** + See the other overload + */ + const ICompositor& GetCompositor() const; + + /** + 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: + /** + 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_; + SdlOpenGLViewport viewport_; + }; + +}