Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Scene2D/Internals/CompositorHelper.h @ 1556:8898f8f755c8
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 18 Aug 2020 11:58:47 +0200 |
parents | 244ad1e4e76a |
children | 85e117739eca |
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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 #include "../Scene2D.h" #include "../ScenePoint2D.h" #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); public: CompositorHelper(IRendererFactory& factory) : factory_(factory), lastScene_(NULL) { } ~CompositorHelper(); void Refresh(const Scene2D& scene, unsigned int canvasWidth, unsigned int canvasHeight); }; } }