Mercurial > hg > orthanc-stone
view Framework/Widgets/LayeredSceneWidget.h @ 17:e707b2cd6608
sync
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 10 Nov 2016 10:00:12 +0100 |
parents | 351ab0da0150 |
children | 7207a407bcd8 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #include "WorldSceneWidget.h" #include "../Layers/ILayerRendererFactory.h" namespace OrthancStone { class LayeredSceneWidget : public WorldSceneWidget { public: // Must be thread-safe class ISliceObserver : public boost::noncopyable { public: virtual ~ISliceObserver() { } virtual void NotifySliceChange(const LayeredSceneWidget& source, const SliceGeometry& slice) = 0; }; private: struct SliceChangeFunctor; class Renderers; class PendingLayers; class Layer; typedef ObserversRegistry<LayeredSceneWidget, ISliceObserver> Observers; std::vector<Layer*> layers_; std::auto_ptr<Renderers> renderers_; std::auto_ptr<PendingLayers> pendingLayers_; std::auto_ptr<Renderers> pendingRenderers_; boost::mutex sliceMutex_; SliceGeometry slice_; Observers observers_; protected: virtual bool HasUpdateThread() const { return true; } virtual void UpdateStep(); virtual bool RenderScene(CairoContext& context, const ViewportGeometry& view); public: LayeredSceneWidget(); virtual ~LayeredSceneWidget(); virtual SliceGeometry GetSlice(); virtual void GetSceneExtent(double& x1, double& y1, double& x2, double& y2); ILayerRendererFactory& AddLayer(size_t& layerIndex, ILayerRendererFactory* factory); // Takes ownership // Simpler version for basic use cases void AddLayer(ILayerRendererFactory* factory); // Takes ownership size_t GetLayerCount() const { return layers_.size(); } RenderStyle GetLayerStyle(size_t layer); void SetLayerStyle(size_t layer, const RenderStyle& style); void SetSlice(const SliceGeometry& slice); void InvalidateLayer(unsigned int layer); void InvalidateAllLayers(); virtual void Start(); virtual void Stop(); using WorldSceneWidget::Register; using WorldSceneWidget::Unregister; void Register(ISliceObserver& observer) { observers_.Register(observer); } void Unregister(ISliceObserver& observer) { observers_.Unregister(observer); } }; }