Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Scene2D/Internals/CompositorHelper.h @ 1852:5ead1852095a StoneWebViewer-2.1
StoneWebViewer-2.1
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 29 Jun 2021 16:26:47 +0200 |
parents | 9ac2a65d4172 |
children | 3889ae96d2e9 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2021 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #pragma once #include "../Scene2D.h" #include "../ScenePoint2D.h" #include <Compatibility.h> // For ORTHANC_OVERRIDE #include <boost/noncopyable.hpp> #include <map> namespace OrthancStone { namespace Internals { class CompositorHelper : protected Scene2D::IVisitor { public: class ILayerRenderer : public boost::noncopyable { public: virtual ~ILayerRenderer() { } virtual void Render(const AffineTransform2D& transform, unsigned int canvasWidth, unsigned int canvasHeight) = 0; // "Update()" is only called if the type of the layer has not changed virtual void Update(const ISceneLayer& layer) = 0; }; class IRendererFactory : public boost::noncopyable { public: virtual ~IRendererFactory() { } virtual ILayerRenderer* Create(const ISceneLayer& layer) = 0; }; private: class Item; typedef std::map<int, Item*> Content; IRendererFactory& factory_; Content content_; const Scene2D* lastScene_; // This is only a safeguard, don't use it! // Only valid during a call to Refresh() AffineTransform2D sceneTransform_; unsigned int canvasWidth_; unsigned int canvasHeight_; protected: virtual void Visit(const Scene2D& scene, const ISceneLayer& layer, uint64_t layerIdentifier, int depth) ORTHANC_OVERRIDE; public: explicit CompositorHelper(IRendererFactory& factory) : factory_(factory), lastScene_(NULL), canvasWidth_(0), canvasHeight_(0) { } ~CompositorHelper(); void Refresh(const Scene2D& scene, unsigned int canvasWidth, unsigned int canvasHeight); }; } }