QgsFeatureRendererV2* QgsSingleSymbolRendererV2::create( QDomElement& element )
{
QDomElement symbolsElem = element.firstChildElement( "symbols" );
if ( symbolsElem.isNull() )
return NULL;
QgsSymbolV2Map symbolMap = QgsSymbolLayerV2Utils::loadSymbols( symbolsElem );
if ( !symbolMap.contains( "0" ) )
return NULL;
QgsSingleSymbolRendererV2* r = new QgsSingleSymbolRendererV2( symbolMap.take( "0" ) );
// delete symbols if there are any more
QgsSymbolLayerV2Utils::clearSymbolMap( symbolMap );
QDomElement rotationElem = element.firstChildElement( "rotation" );
if ( !rotationElem.isNull() )
r->setRotationField( rotationElem.attribute( "field" ) );
QDomElement sizeScaleElem = element.firstChildElement( "sizescale" );
if ( !sizeScaleElem.isNull() )
{
r->setSizeScaleField( sizeScaleElem.attribute( "field" ) );
r->setScaleMethod( QgsSymbolLayerV2Utils::decodeScaleMethod( sizeScaleElem.attribute( "scalemethod" ) ) );
}
// TODO: symbol levels
return r;
}
QgsFeatureRendererV2* QgsSingleSymbolRendererV2::clone()
{
QgsSingleSymbolRendererV2* r = new QgsSingleSymbolRendererV2( mSymbol->clone() );
r->setUsingSymbolLevels( usingSymbolLevels() );
r->setRotationField( rotationField() );
r->setSizeScaleField( sizeScaleField() );
r->setScaleMethod( scaleMethod() );
return r;
}
