qgsterraintileloader_p.h

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/***************************************************************************
  qgsterraintileloader_p.h
  --------------------------------------
  Date                 : July 2017
  Copyright            : (C) 2017 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 QGSTERRAINTILELOADER_P_H
#define QGSTERRAINTILELOADER_P_H


//
//  W A R N I N G
//  -------------
//
// This file is not part of the QGIS API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//

#include "qgschunkloader_p.h"

#include <QImage>
#include "qgsrectangle.h"

class QgsPhongMaterialSettings;
class QgsTerrainEntity;
class QgsTerrainTileEntity;

namespace Qt3DRender
{
  class QTexture2D;
}



class QgsTerrainTileLoader : public QgsChunkLoader
{
    Q_OBJECT

  public:
    QgsTerrainTileLoader( QgsTerrainEntity *terrain, QgsChunkNode *mNode );

  protected:
    void loadTexture();
    Qt3DRender::QTexture2D *createTexture( QgsTerrainTileEntity *entity );
    void createTextureComponent( QgsTerrainTileEntity *entity, bool isShadingEnabled, const QgsPhongMaterialSettings &shadingMaterial );
    QgsTerrainEntity *terrain() { return mTerrain; }



  private slots:
    void onImageReady( int jobId, const QImage &image );

  private:
    QgsTerrainEntity *mTerrain = nullptr;
    QgsRectangle mExtentMapCrs;
    QString mTileDebugText;
    int mTextureJobId = -1;
    QImage mTextureImage;

};


#endif // QGSTERRAINTILELOADER_P_H