qgsmaprendererjobproxy.h

Go to the documentation of this file.

/***************************************************************************
                qgsmaprendererjobproxy.h
                ------------------------
    begin                : January 2017
    copyright            : (C) 2017 by Paul Blottiere
    email                : paul dot blottiere at oslandia 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 QGSMAPRENDERERJOBPROXY_H
#define QGSMAPRENDERERJOBPROXY_H
 
#include "qgsmaprendererjob.h"
#include "qgsmapsettings.h"
 
class QgsFeatureFilterProvider;
 
namespace QgsWms
{

  class QgsMapRendererJobProxy
  {
    public:
      QgsMapRendererJobProxy( bool parallelRendering, int maxThreads, QgsFeatureFilterProvider *featureFilterProvider, QHash<QgsMapLayer *, QgsDateTimeRange> perLayerTemporalRange );

      void render( const QgsMapSettings &mapSettings, QImage *image, const QgsFeedback *feedback );

      QPainter *takePainter();

      QgsMapRendererJob::Errors errors() const { return mErrors; }
 
    private:
      bool mParallelRendering;
      QgsFeatureFilterProvider *mFeatureFilterProvider = nullptr;
      QHash<QgsMapLayer *, QgsDateTimeRange> mPerLayerTemporalRange;
      std::unique_ptr<QPainter> mPainter;
 
      void getRenderErrors( const QgsMapRendererJob *job );

      QgsMapRendererJob::Errors mErrors;
  };
 
 
} // namespace QgsWms
#endif