Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Scene2DViewport/LayerHolder.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/Scene2DViewport/LayerHolder.h@2a11bbf7f6b0 |
children | 8563ea5d8ae4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Scene2DViewport/LayerHolder.h Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,108 @@ +/** + * 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 "PredeclaredTypes.h" + +#include <boost/noncopyable.hpp> +#include <boost/weak_ptr.hpp> +#include <boost/shared_ptr.hpp> + +namespace OrthancStone +{ + class PolylineSceneLayer; + class TextSceneLayer; + + /** + This class holds the indices of a set a layer and supplies + getters to the concrete layer objects. Sounds very ad hoc, and it is. + */ + class LayerHolder : public boost::noncopyable + { + public: + /** + This ctor merely stores the scene and layer counts. No layer creation + performed at this time + */ + LayerHolder( + boost::shared_ptr<IViewport> viewport, + int polylineLayerCount, int textLayerCount, int infoTextCount = 0); + + /** + This actually creates the layers + */ + void CreateLayers(); + + /** + This creates the layers if they are not created yet. Can be useful in + some scenarios + */ + void CreateLayersIfNeeded(); + + /** + Whether the various text and polylines layers have all been created or + none at all + */ + bool AreLayersCreated() const; + + /** + This removes the layers from the scene + */ + void DeleteLayers(); + + /** + This removes the layers from the scene if they are already created + */ + void DeleteLayersIfNeeded(); + + /** + Please note that the returned pointer belongs to the scene.Don't you dare + storing or deleting it, you fool! + + This throws if the index is not valid or if the layers are not created or + have been deleted + */ + PolylineSceneLayer* GetPolylineLayer(int index = 0); + + /** + Please note that the returned pointer belongs to the scene. Don't you dare + storing or deleting it, you fool! + + This throws if the index is not valid or if the layers are not created or + have been deleted + */ + TextSceneLayer* GetTextLayer(int index = 0); + + //TextSceneLayer* GetTextLayer(int index = 0); + + private: + int GetPolylineLayerIndex(int index = 0); + int GetTextLayerIndex(int index = 0); + int GetInfoTextLayerIndex(int index = 0); + + int textLayerCount_; + int polylineLayerCount_; + int infoTextCount_; + boost::shared_ptr<IViewport> viewport_; + int baseLayerIndex_; + }; +} +