qgsterraintileloader.h

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/***************************************************************************
  qgsterraintileloader.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_H
#define QGSTERRAINTILELOADER_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.h"
#include "qgsrectangle.h"
 
#include <QImage>
 
#define SIP_NO_FILE
 
class QgsPhongMaterialSettings;
class QgsTerrainEntity;
class QgsTerrainTileEntity;
class QgsMaterialContext;
class Qgs3DRenderContext;
 
namespace Qt3DRender
{
  class QTexture2D;
}
 

class QgsTerrainTileLoader : public QgsChunkLoader
{
    Q_OBJECT
 
  public:
    QgsTerrainTileLoader( QgsTerrainEntity *terrain, QgsChunkNode *mNode );
 
  protected:
    void loadTexture();

    Qt3DRender::QTexture2D *createTexture( QgsTerrainTileEntity *entity, const QgsMaterialContext &context );
    void createTextureComponent( QgsTerrainTileEntity *entity, bool isShadingEnabled, const QgsPhongMaterialSettings &shadingMaterial, bool useTexture, const Qgs3DRenderContext &context );
    QgsTerrainEntity *terrain() { return mTerrain; }
    // Emit finished by default when texture is loaded.
    // Subclasses can override this and emit finish later.
    virtual void onTextureLoaded();
 
  protected slots:
    void onImageReady( int jobId, const QImage &image );
 
  private:
    QgsTerrainEntity *mTerrain = nullptr;
    QgsRectangle mExtentMapCrs;
    QString mTileDebugText;
    int mTextureJobId = -1;
    QImage mTextureImage;
};

 
#endif // QGSTERRAINTILELOADER_H