Mercurial > hg > orthanc-stone
view Framework/Viewport/IViewport.h @ 1205:6009c59d8676 broker
fix to sdl
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 02 Dec 2019 14:32:05 +0100 |
parents | f3bb9a6dd949 |
children | 00e6bff9ea39 |
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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/>. **/ #pragma once #include "../Scene2D/ICompositor.h" #include "../Scene2D/Scene2D.h" #include "../Scene2D/ScenePoint2D.h" namespace OrthancStone { /** * Class that combines a Scene2D with a canvas where to draw the * scene. A call to "Refresh()" will update the content of the * canvas. A "IViewport" can possibly be accessed from several * threads depending on the rendering back-end (e.g. in SDL or Qt): * The "ILock" subclass implements the locking mechanism to modify * the content of the scene. * * NB: The lock must be a "recursive_mutex", as the viewport * controller can lock it a second time (TODO - Why so?). **/ class IViewport : public boost::noncopyable { public: class ILock : public boost::noncopyable { public: virtual ~ILock() { } virtual Scene2D& GetScene() = 0; virtual ScenePoint2D GetPixelCenterCoordinates(int x, int y) = 0; virtual bool HasCompositor() const = 0; virtual ICompositor& GetCompositor() = 0; virtual void FitContent() = 0; }; virtual ~IViewport() { } // Can be invoked from any thread (notably from the thread of the // Stone context) virtual void Invalidate() = 0; // Must be invoked from the main (GUI) thread virtual void Paint() = 0; virtual void UpdateSize(unsigned int width, unsigned int height) = 0; virtual ILock* Lock() = 0; }; }