qgspointcloudblockrequest.h

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/***************************************************************************
                         qgspointcloudblockrequest.h
                         --------------------
    begin                : March 2021
    copyright            : (C) 2021 by Belgacem Nedjima
    email                : belgacem dot nedjima 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 QGSPOINTCLOUDBLOCKREQUEST_H
#define QGSPOINTCLOUDBLOCKREQUEST_H
 
#include "qgspointcloudindex.h"
#include "qgstiledownloadmanager.h"
 
#include <QObject>
 
#define SIP_NO_FILE

class CORE_EXPORT QgsPointCloudBlockRequest : public QObject
{
    Q_OBJECT
  public:
    QgsPointCloudBlockRequest(
      QgsPointCloudNodeId node,
      const QString &Uri,
      const QgsPointCloudAttributeCollection &attributes,
      const QgsPointCloudAttributeCollection &requestedAttributes,
      const QgsVector3D &scale,
      const QgsVector3D &offset,
      const QgsPointCloudExpression &filterExpression,
      const QgsRectangle &filterRect
    );
 
 
    ~QgsPointCloudBlockRequest() override = 0;

    std::unique_ptr<QgsPointCloudBlock> takeBlock();

    QString errorStr() const;
 
  signals:
    void finished();
 
  protected:
    QgsPointCloudNodeId mNode;
    QString mUri;
    QgsPointCloudAttributeCollection mAttributes;
    QgsPointCloudAttributeCollection mRequestedAttributes;
    std::unique_ptr<QgsTileDownloadManagerReply> mTileDownloadManagerReply = nullptr;
    std::unique_ptr<QgsPointCloudBlock> mBlock;
    QString mErrorStr;
    QgsVector3D mScale, mOffset;
    QgsPointCloudExpression mFilterExpression;
    QgsRectangle mFilterRect;
};
 
#endif // QGSPOINTCLOUDBLOCKREQUEST_H