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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 02 Nov 2022 17:10:04 +0100 |
parents | e8b9a2ba1df1 |
children | 07964689cb0b |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2022 Osimis S.A., Belgium * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, 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 "ISceneLayer.h" #include "../Toolbox/AffineTransform2D.h" #include "../Messages/IObservable.h" #include "../Messages/IMessage.h" #include <map> namespace OrthancStone { class Scene2D : public boost::noncopyable { public: class IVisitor : public boost::noncopyable { public: virtual ~IVisitor() { } virtual void Visit(const Scene2D& scene, const ISceneLayer& layer, uint64_t layerIdentifier, int depth) = 0; }; private: class Item; typedef std::map<int, Item*> Content; Content content_; AffineTransform2D sceneToCanvas_; AffineTransform2D canvasToScene_; uint64_t layerCounter_; Scene2D(const Scene2D& other); void FitContent(const AffineTransform2D& forcedTransform, unsigned int canvasWidth, unsigned int canvasHeight); public: Scene2D() : layerCounter_(0) { } ~Scene2D(); Scene2D* Clone() const { return new Scene2D(*this); } ISceneLayer& SetLayer(int depth, ISceneLayer* layer); // Takes ownership /** Removes the layer at specified depth and deletes the underlying object */ void DeleteLayer(int depth); bool HasLayer(int depth) const; ISceneLayer& GetLayer(int depth) const; /** Returns the minimum depth among all layers or 0 if there are no layers */ int GetMinDepth() const; /** Returns the minimum depth among all layers or 0 if there are no layers */ int GetMaxDepth() const; /** Removes the layer at specified depth and transfers the object ownership to the caller */ ISceneLayer* ReleaseLayer(int depth); void Apply(IVisitor& visitor) const; const AffineTransform2D& GetSceneToCanvasTransform() const { return sceneToCanvas_; } const AffineTransform2D& GetCanvasToSceneTransform() const { return canvasToScene_; } void SetSceneToCanvasTransform(const AffineTransform2D& transform); void FitContent(unsigned int canvasWidth, unsigned int canvasHeight); void GetBoundingBox(Extent2D& target) const; void RotateViewport(double angle, unsigned int canvasWidth, unsigned int canvasHeight); void FlipViewportX(unsigned int canvasWidth, unsigned int canvasHeight); void FlipViewportY(unsigned int canvasWidth, unsigned int canvasHeight); }; }