Mercurial > hg > orthanc-stone
diff Framework/Deprecated/Toolbox/ViewportGeometry.h @ 732:c35e98d22764
move Deprecated classes to a separate folder
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 21 May 2019 14:27:35 +0200 |
parents | Framework/Toolbox/ViewportGeometry.h@4f2416d519b4 |
children | c237e0625065 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Deprecated/Toolbox/ViewportGeometry.h Tue May 21 14:27:35 2019 +0200 @@ -0,0 +1,110 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2019 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 "../../Viewport/CairoContext.h" +#include "../../Toolbox/Extent2D.h" +#include "../../Toolbox/LinearAlgebra.h" +#include "../Viewport/IMouseTracker.h" // to include "Touch" definition + +namespace Deprecated +{ + class ViewportGeometry + { + private: + // Extent of the scene (in world units) + OrthancStone::Extent2D sceneExtent_; + + // Size of the display (in pixels) + unsigned int width_; + unsigned int height_; + + // Zoom/pan + double zoom_; + double panX_; // In pixels (display units) + double panY_; + + cairo_matrix_t transform_; // Scene-to-display transformation + + void ComputeTransform(); + + public: + ViewportGeometry(); + + void SetDisplaySize(unsigned int width, + unsigned int height); + + void SetSceneExtent(const OrthancStone::Extent2D& extent); + + const OrthancStone::Extent2D& GetSceneExtent() const + { + return sceneExtent_; + } + + void MapDisplayToScene(double& sceneX /* out */, + double& sceneY /* out */, + double x, + double y) const; + + void MapPixelCenterToScene(double& sceneX /* out */, + double& sceneY /* out */, + int x, + int y) const; + + void MapPixelCenterToScene(std::vector<Touch>& sceneTouches /* out */, + const std::vector<Touch>& displayTouches) const; + + void MapSceneToDisplay(int& displayX /* out */, + int& displayY /* out */, + double x, + double y) const; + + unsigned int GetDisplayWidth() const + { + return width_; + } + + unsigned int GetDisplayHeight() const + { + return height_; + } + + double GetZoom() const + { + return zoom_; + } + + void FitContent(); + + void ApplyTransform(OrthancStone::CairoContext& context) const; + + void GetPan(double& x, + double& y) const; + + void SetPan(double x, + double y); + + void SetZoom(double zoom); + + OrthancStone::Matrix GetMatrix() const; + }; +}