Mercurial > hg > orthanc-stone
diff Framework/Widgets/LayerWidget.h @ 66:298f375dcb68 wasm
LayerWidget
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 17 May 2017 22:03:09 +0200 |
parents | |
children | f5f54ed8d307 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Widgets/LayerWidget.h Wed May 17 22:03:09 2017 +0200 @@ -0,0 +1,98 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017 Osimis, 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 "WorldSceneWidget.h" +#include "../Layers/ILayerSource.h" + +#include <map> + +namespace OrthancStone +{ + class LayerWidget : + public WorldSceneWidget, + public ILayerSource::IObserver // TODO move this as PImpl + { + private: + class Scene; + + typedef std::map<ILayerSource*, size_t> LayersIndex; + + bool started_; + LayersIndex layersIndex_; + std::vector<ILayerSource*> layers_; + std::vector<RenderStyle> styles_; + SliceGeometry slice_; + double sliceThickness_; + std::auto_ptr<Scene> currentScene_; + std::auto_ptr<Scene> pendingScene_; + + + bool LookupLayer(size_t& index /* out */, + ILayerSource& layer) const; + + + protected: + virtual void GetSceneExtent(double& x1, + double& y1, + double& x2, + double& y2); + + virtual bool RenderScene(CairoContext& context, + const ViewportGeometry& view); + + void ResetPendingScene(); + + void UpdateLayer(size_t index, + ILayerRenderer* renderer, + const SliceGeometry& slice); + + public: + LayerWidget(); + + virtual ~LayerWidget(); + + size_t AddLayer(ILayerSource* layer); // Takes ownership + + void SetLayerStyle(size_t layer, + const RenderStyle& style); + + void SetSlice(const SliceGeometry& slice, + double sliceThickness); + + virtual void NotifyGeometryReady(ILayerSource& source); + + virtual void NotifySourceChange(ILayerSource& source); + + virtual void NotifySliceChange(ILayerSource& source, + const SliceGeometry& slice); + + virtual void NotifyLayerReady(ILayerRenderer* renderer, + ILayerSource& source, + const SliceGeometry& viewportSlice); + + virtual void NotifyLayerError(ILayerSource& source, + const SliceGeometry& viewportSlice); + + virtual void Start(); + }; +}