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/***************************************************************************
qgsmaprenderersequentialjob.h
--------------------------------------
Date : December 2013
Copyright : (C) 2013 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 QGSMAPRENDERERSEQUENTIALJOB_H
#define QGSMAPRENDERERSEQUENTIALJOB_H
#include "qgsmaprendererjob.h"
class QgsMapRendererCustomPainterJob;
/** Job implementation that renders everything sequentially in one thread.
*
* The resulting map image can be retrieved with renderedImage() function.
* It is safe to call that function while rendering is active to see preview of the map.
*
* @note added in 2.4
*/
class CORE_EXPORT QgsMapRendererSequentialJob : public QgsMapRendererQImageJob
{
Q_OBJECT
public:
QgsMapRendererSequentialJob( const QgsMapSettings& settings );
~QgsMapRendererSequentialJob();
virtual void start();
virtual void cancel();
virtual void waitForFinished();
virtual bool isActive() const;
virtual QgsLabelingResults* takeLabelingResults();
// from QgsMapRendererJobWithPreview
virtual QImage renderedImage();
public slots:
void internalFinished();
protected:
QgsMapRendererCustomPainterJob* mInternalJob;
QImage mImage;
QPainter* mPainter;
QgsLabelingResults* mLabelingResults;
};
#endif // QGSMAPRENDERERSEQUENTIALJOB_H
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