qgsabstract3dengine.h

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/***************************************************************************
  qgsabstract3dengine.h
  --------------------------------------
  Date                 : July 2018
  Copyright            : (C) 2018 by Martin Dobias
  Email                : wonder dot sk at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSABSTRACT3DENGINE_H
#define QGSABSTRACT3DENGINE_H
 
#include "qgis_3d.h"
 
#include <QElapsedTimer>
#include <QObject>
 
#define SIP_NO_FILE
 
class QColor;
class QRect;
class QSurface;
 
namespace Qt3DCore
{
  class QEntity;
}
 
namespace Qt3DRender
{
  class QRenderSettings;
  class QCamera;
  class QFrameGraphNode;
} // namespace Qt3DRender
 
class QgsFrameGraph;

class _3D_EXPORT QgsAbstract3DEngine : public QObject
{
    Q_OBJECT
  public:

    QgsAbstract3DEngine( QObject *parent = nullptr );

    virtual void setClearColor( const QColor &color ) = 0;
    virtual void setFrustumCullingEnabled( bool enabled ) = 0;
    virtual void setRootEntity( Qt3DCore::QEntity *root ) = 0;

    virtual Qt3DRender::QRenderSettings *renderSettings() = 0;
    virtual Qt3DRender::QCamera *camera() = 0;
    virtual QSize size() const = 0;
    virtual void setSize( QSize s ) = 0;

    void requestDepthBufferCapture();

    void requestCaptureImage();

    virtual QSurface *surface() const = 0;

    QgsFrameGraph *frameGraph() { return mFrameGraph; }

    void dumpFrameGraphToConsole() const;

    QString dumpFrameGraph() const;

    QString dumpSceneGraph() const;
 
  signals:
    void imageCaptured( const QImage &image );

    void depthBufferCaptured( const QImage &image );

    void sizeChanged();
 
  protected:
    QgsFrameGraph *mFrameGraph = nullptr;
};
 
 
#endif // QGSABSTRACT3DENGINE_H