int QgsMapToolCapture::fetchLayerPoint( const QgsPointLocator::Match &match, QgsPoint &layerPoint )
{
QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( mCanvas->currentLayer() );
QgsVectorLayer *sourceLayer = match.layer();
if ( match.isValid() && match.hasVertex() && sourceLayer &&
( sourceLayer->crs() == vlayer->crs() ) )
{
QgsFeature f;
QgsFeatureRequest request;
request.setFilterFid( match.featureId() );
bool fetched = match.layer()->getFeatures( request ).nextFeature( f );
if ( fetched )
{
QgsVertexId vId;
if ( !f.geometry().vertexIdFromVertexNr( match.vertexIndex(), vId ) )
return 2;
layerPoint = f.geometry().constGet()->vertexAt( vId );
// ZM support depends on the target layer
if ( !QgsWkbTypes::hasZ( vlayer->wkbType() ) )
{
layerPoint.dropZValue();
}
if ( !QgsWkbTypes::hasM( vlayer->wkbType() ) )
{
layerPoint.dropMValue();
}
return 0;
}
else
{
return 2;
}
}
else
{
return 1;
}
}
