qgsrasterfilewritertask.h

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/***************************************************************************
                          qgsrasterfilewritertask.h
                          -------------------------
    begin                : April 2017
    copyright            : (C) 2017 by Nyall Dawson
    email                : nyall dot dawson 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 QGSRASTERFILEWRITERTASK_H
#define QGSRASTERFILEWRITERTASK_H

#include "qgis_core.h"
#include "qgstaskmanager.h"
#include "qgsrasterfilewriter.h"
#include "qgsrasterinterface.h"
#include "qgsrasterpipe.h"

class CORE_EXPORT QgsRasterFileWriterTask : public QgsTask
{
    Q_OBJECT

  public:

    QgsRasterFileWriterTask( const QgsRasterFileWriter &writer, QgsRasterPipe *pipe SIP_TRANSFER,
                             int columns, int rows,
                             const QgsRectangle &outputExtent,
                             const QgsCoordinateReferenceSystem &crs );

    void cancel() override;

  signals:

    void writeComplete( const QString &outputUrl );

    void errorOccurred( int error );

  protected:

    bool run() override;
    void finished( bool result ) override;

  private:

    QgsRasterFileWriter mWriter;
    int mRows = 0;
    int mColumns = 0;
    QgsRectangle mExtent;
    QgsCoordinateReferenceSystem mCrs;
    std::unique_ptr< QgsRasterPipe > mPipe;

    QString mDestFileName;

    std::unique_ptr< QgsRasterBlockFeedback > mFeedback;

    QgsRasterFileWriter::WriterError mError = QgsRasterFileWriter::NoError;

};

#endif //QGSRASTERFILEWRITERTASK_H