void QgsMapRendererJob::drawNewLabeling( const QgsMapSettings& settings, QgsRenderContext& renderContext, QgsPalLabeling* labelingEngine )
{
if ( labelingEngine && !renderContext.renderingStopped() )
{
// set correct extent
renderContext.setExtent( settings.visibleExtent() );
renderContext.setCoordinateTransform( NULL );
labelingEngine->drawLabeling( renderContext );
labelingEngine->exit();
}
}
void QgsMapRendererJob::drawOldLabeling( const QgsMapSettings& settings, QgsRenderContext& renderContext )
{
// render all labels for vector layers in the stack, starting at the base
QListIterator<QString> li( settings.layers() );
li.toBack();
while ( li.hasPrevious() )
{
if ( renderContext.renderingStopped() )
{
break;
}
QString layerId = li.previous();
QgsMapLayer *ml = QgsMapLayerRegistry::instance()->mapLayer( layerId );
if ( !ml || ( ml->type() != QgsMapLayer::VectorLayer ) )
continue;
// only make labels if the layer is visible
// after scale dep viewing settings are checked
if ( ml->hasScaleBasedVisibility() && ( settings.scale() < ml->minimumScale() || settings.scale() > ml->maximumScale() ) )
continue;
bool split = false;
const QgsCoordinateTransform* ct = 0;
QgsRectangle r1 = settings.visibleExtent(), r2;
if ( settings.hasCrsTransformEnabled() )
{
ct = QgsCoordinateTransformCache::instance()->transform( ml->crs().authid(), settings.destinationCrs().authid() );
split = reprojectToLayerExtent( ct, ml->crs().geographicFlag(), r1, r2 );
}
renderContext.setCoordinateTransform( ct );
renderContext.setExtent( r1 );
ml->drawLabels( renderContext );
if ( split )
{
renderContext.setExtent( r2 );
ml->drawLabels( renderContext );
}
}
}
void QgsMapRendererJob::drawOldLabeling( const QgsMapSettings& settings, QgsRenderContext& renderContext )
{
// render all labels for vector layers in the stack, starting at the base
QListIterator<QString> li( settings.layers() );
li.toBack();
while ( li.hasPrevious() )
{
if ( renderContext.renderingStopped() )
{
break;
}
QString layerId = li.previous();
QgsMapLayer *ml = QgsMapLayerRegistry::instance()->mapLayer( layerId );
if ( !ml || ( ml->type() != QgsMapLayer::VectorLayer ) )
continue;
// only make labels if the layer is visible
// after scale dep viewing settings are checked
if ( !ml->isInScaleRange( settings.scale() ) )
continue;
const QgsCoordinateTransform* ct = nullptr;
QgsRectangle r1 = settings.visibleExtent(), r2;
if ( settings.hasCrsTransformEnabled() )
{
ct = settings.layerTransform( ml );
if ( ct )
reprojectToLayerExtent( ml, ct, r1, r2 );
}
renderContext.setCoordinateTransform( ct );
renderContext.setExtent( r1 );
ml->drawLabels( renderContext );
}
}
