Mercurial > hg > orthanc-stone
diff Applications/Platforms/Sdl/SdlViewport.h @ 1591:5887a4f8594b
moving platform-specific files out of the "OrthancStone" folder
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Fri, 23 Oct 2020 13:15:03 +0200 |
parents | OrthancStone/Sources/Viewport/SdlViewport.h@92fca2b3ba3d |
children | 9ac2a65d4172 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Applications/Platforms/Sdl/SdlViewport.h Fri Oct 23 13:15:03 2020 +0200 @@ -0,0 +1,203 @@ +/** + * 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/>. + **/ + +#pragma once + +#if !defined(ORTHANC_ENABLE_SDL) +# error Macro ORTHANC_ENABLE_SDL must be defined +#endif + +#if ORTHANC_ENABLE_SDL != 1 +# error SDL must be enabled to use this file +#endif + +#if !defined(ORTHANC_ENABLE_OPENGL) +# error The macro ORTHANC_ENABLE_OPENGL must be defined +#endif + +#if ORTHANC_ENABLE_OPENGL != 1 +# error Support for OpenGL is disabled +#endif + +#include "SdlOpenGLContext.h" +#include "../../../OrthancStone/Sources/Scene2D/OpenGLCompositor.h" +#include "../../../OrthancStone/Sources/Scene2D/CairoCompositor.h" +#include "../../../OrthancStone/Sources/Viewport/IViewport.h" + +#include <SDL_events.h> + +// TODO: required for UndoStack injection +// I don't like it either :) +#include <boost/weak_ptr.hpp> + +#include <boost/thread/recursive_mutex.hpp> +#include <boost/enable_shared_from_this.hpp> + +namespace OrthancStone +{ + class UndoStack; + + class SdlViewport : public IViewport, + public boost::enable_shared_from_this<SdlViewport> + { + private: + boost::recursive_mutex mutex_; + uint32_t refreshEvent_; + boost::shared_ptr<ViewportController> controller_; + std::unique_ptr<ICompositor> compositor_; + + void SendRefreshEvent(); + + protected: + class SdlLock : public ILock + { + private: + SdlViewport& that_; + boost::recursive_mutex::scoped_lock lock_; + + public: + explicit SdlLock(SdlViewport& that) : + that_(that), + lock_(that.mutex_) + { + } + + virtual bool HasCompositor() const ORTHANC_OVERRIDE + { + return true; + } + + virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE; + + virtual ViewportController& GetController() ORTHANC_OVERRIDE + { + return *that_.controller_; + } + + virtual void Invalidate() ORTHANC_OVERRIDE + { + that_.SendRefreshEvent(); + } + + virtual void RefreshCanvasSize() ORTHANC_OVERRIDE + { + that_.RefreshCanvasSize(); + } + }; + + void ClearCompositor() + { + compositor_.reset(); + } + + void AcquireCompositor(ICompositor* compositor /* takes ownership */); + + virtual void RefreshCanvasSize() = 0; + + protected: + SdlViewport(); + + void PostConstructor(); + + public: + bool IsRefreshEvent(const SDL_Event& event) const + { + return (event.type == refreshEvent_); + } + + virtual ILock* Lock() ORTHANC_OVERRIDE + { + return new SdlLock(*this); + } + + virtual uint32_t GetSdlWindowId() = 0; + + void UpdateSize(unsigned int width, + unsigned int height); + + virtual void ToggleMaximize() = 0; + + // Must be invoked from the main SDL thread + virtual void Paint() = 0; + }; + + + class SdlOpenGLViewport : public SdlViewport + { + private: + SdlOpenGLContext context_; + + SdlOpenGLViewport(const std::string& title, + unsigned int width, + unsigned int height, + bool allowDpiScaling = true); + + protected: + virtual void RefreshCanvasSize() ORTHANC_OVERRIDE; + + public: + static boost::shared_ptr<SdlOpenGLViewport> Create(const std::string&, + unsigned int width, + unsigned int height, + bool allowDpiScaling = true); + + + virtual ~SdlOpenGLViewport(); + + virtual uint32_t GetSdlWindowId() ORTHANC_OVERRIDE; + + virtual void Paint() ORTHANC_OVERRIDE; + + virtual void ToggleMaximize() ORTHANC_OVERRIDE; + }; + + + class SdlCairoViewport : public SdlViewport + { + private: + SdlWindow window_; + SDL_Surface* sdlSurface_; + + void CreateSdlSurfaceFromCompositor(const CairoCompositor& compositor); + + SdlCairoViewport(const char* title, + unsigned int width, + unsigned int height, + bool allowDpiScaling = true); + + protected: + virtual void RefreshCanvasSize() ORTHANC_OVERRIDE; + + public: + static boost::shared_ptr<SdlCairoViewport> Create(const char* title, + unsigned int width, + unsigned int height, + bool allowDpiScaling = true); + + + virtual ~SdlCairoViewport(); + + virtual uint32_t GetSdlWindowId() ORTHANC_OVERRIDE; + + virtual void Paint() ORTHANC_OVERRIDE; + + virtual void ToggleMaximize() ORTHANC_OVERRIDE; + }; +}