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/** Job implementation that renders all layers in parallel.
*
* 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 QgsMapRendererParallelJob : QgsMapRendererQImageJob
{
%TypeHeaderCode
#include <qgsmaprendererparalleljob.h>
%End
public:
QgsMapRendererParallelJob( const QgsMapSettings& settings );
~QgsMapRendererParallelJob();
virtual void start();
virtual void cancel();
virtual void cancelWithoutBlocking();
virtual void waitForFinished();
virtual bool isActive() const;
virtual QgsLabelingResults* takeLabelingResults() /Transfer/;
// from QgsMapRendererJobWithPreview
virtual QImage renderedImage();
protected slots:
//! layers are rendered, labeling is still pending
void renderLayersFinished();
//! all rendering is finished, including labeling
void renderingFinished();
protected:
static void renderLayerStatic( LayerRenderJob& job );
static void renderLabelsStatic( QgsMapRendererParallelJob* self );
};
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