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24c1c860a9
There was no indication whether something is going on behind the scenes, leaving user to wonder whether there is something to wait for or the scene is already loaded in full detail.
72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/***************************************************************************
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qgs3dmapcanvas.h
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--------------------------------------
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Date : July 2017
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Copyright : (C) 2017 by Martin Dobias
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Email : wonder dot sk at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGS3DMAPCANVAS_H
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#define QGS3DMAPCANVAS_H
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#include <QWidget>
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namespace Qt3DExtras
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{
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class Qt3DWindow;
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}
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class Qgs3DMapSettings;
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class Qgs3DMapScene;
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class QgsCameraController;
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class QgsPointXY;
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class Qgs3DMapCanvas : public QWidget
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{
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Q_OBJECT
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public:
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Qgs3DMapCanvas( QWidget *parent = nullptr );
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~Qgs3DMapCanvas();
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//! Configure map scene being displayed. Takes ownership.
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void setMap( Qgs3DMapSettings *map );
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//! Returns access to the 3D scene configuration
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Qgs3DMapSettings *map() { return mMap; }
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//! Returns access to the 3D scene (root 3D entity)
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Qgs3DMapScene *scene() { return mScene; }
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//! Returns access to the view's camera controller. Returns null pointer if the scene has not been initialized yet with setMap()
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QgsCameraController *cameraController();
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//! Resets camera position to the default: looking down at the origin of world coordinates
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void resetView();
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//! Sets camera position to look down at the given point (in map coordinates) in given distance from plane with zero elevation
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void setViewFromTop( const QgsPointXY ¢er, float distance, float rotation = 0 );
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protected:
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void resizeEvent( QResizeEvent *ev ) override;
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private:
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//! 3D window with all the 3D magic inside
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Qt3DExtras::Qt3DWindow *mWindow3D = nullptr;
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//! Container QWidget that encapsulates mWindow3D so we can use it embedded in ordinary widgets app
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QWidget *mContainer = nullptr;
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//! Description of the 3D scene
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Qgs3DMapSettings *mMap = nullptr;
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//! Root entity of the 3D scene
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Qgs3DMapScene *mScene = nullptr;
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};
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#endif // QGS3DMAPCANVAS_H
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