[Qgis-developer] Raster scale bar in Legend

[Tim Sutton]

On Wed, 2010-08-11 at 12:02 +0200, Benoit de Cabissole wrote:
> Hi all,
> 
> Is it possible to change the "scale bar" (horizontal multicolour or grey
> bar) displayed below the raster icon in the Legend pane using python? Can
> that scale bar have arbitrary dimensions, e.g. grows or retracts like the
> legend of a vector layer?
> 
> I'm trying to find a reference to it in the API doc but I do not really know
> what to look for: legend, icon, symbology, ...?
> 

Its managed in two places:

QgsRasterLayer and QgsLegendLayer:

void QgsLegendLayer::rasterLayerSymbology( QgsRasterLayer* layer )
{
  SymbologyList itemList;
  QPixmap legendpixmap = layer->legendAsPixmap( true ).scaled( 20, 20,
Qt::KeepAspectRatio );
  itemList.append( qMakePair( QString(), legendpixmap ) );

  changeSymbologySettings( layer, itemList );
}

I dont see any way to tweak this from python api though. Python users
please correct me if I missed something....

Regards

Tim


> Has someone do it before?
> 
> Cheers,
> Benoit
> 
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