Mercurial > hg > orthanc-stone
view Framework/Viewport/SdlViewport.h @ 1313:f30905f5d246 broker
Added support for OnGenericSdlEvent to GuiAdapter.
This makes it possible to piggyback app-specific logic
to special events (here, to support the Viewport refresh
events)
author | Benjamin Golinvaux <bgo@osimis.io> |
---|---|
date | Mon, 16 Mar 2020 11:12:39 +0100 |
parents | adf234ecaa00 |
children | ab81ee8fce1f |
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/** * 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 "../OpenGL/SdlOpenGLContext.h" #include "../Scene2D/OpenGLCompositor.h" #include "../Scene2D/CairoCompositor.h" #include "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> namespace OrthancStone { class UndoStack; class SdlViewport : public IViewport { 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: 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(); } }; void ClearCompositor() { compositor_.reset(); } void AcquireCompositor(ICompositor* compositor /* takes ownership */); public: SdlViewport(); SdlViewport(boost::weak_ptr<UndoStack> undoStackW); bool IsRefreshEvent(const SDL_Event& event) const { return (event.type == refreshEvent_); } virtual ILock* Lock() ORTHANC_OVERRIDE { return new SdlLock(*this); } virtual void UpdateSize(unsigned int width, unsigned int height) = 0; virtual void ToggleMaximize() = 0; // Must be invoked from the main SDL thread virtual void Paint() = 0; }; class SdlOpenGLViewport : public SdlViewport { private: SdlOpenGLContext context_; public: SdlOpenGLViewport(const char* title, unsigned int width, unsigned int height, bool allowDpiScaling = true); SdlOpenGLViewport(const char* title, boost::weak_ptr<UndoStack> undoStackW, unsigned int width, unsigned int height, bool allowDpiScaling = true); virtual ~SdlOpenGLViewport(); virtual void Paint() ORTHANC_OVERRIDE; virtual void UpdateSize(unsigned int width, unsigned int height) ORTHANC_OVERRIDE; virtual void ToggleMaximize() ORTHANC_OVERRIDE; }; class SdlCairoViewport : public SdlViewport { private: SdlWindow window_; SDL_Surface* sdlSurface_; void CreateSdlSurfaceFromCompositor(CairoCompositor& compositor); public: SdlCairoViewport(const char* title, unsigned int width, unsigned int height, bool allowDpiScaling = true); virtual ~SdlCairoViewport(); virtual void Paint() ORTHANC_OVERRIDE; virtual void UpdateSize(unsigned int width, unsigned int height) ORTHANC_OVERRIDE; virtual void ToggleMaximize() ORTHANC_OVERRIDE; }; }