Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Scene2D/Internals/CompositorHelper.h @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Scene2D/Internals/CompositorHelper.h@7ec8fea061b9 |
children | 85e117739eca |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Scene2D/Internals/CompositorHelper.h Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,96 @@ +/** + * 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); + }; + } +}