def convert_label_engine_layer_properties(
properties: LabelEngineLayerProperties, layer_geometry_type,
context) -> QgsPalLayerSettings:
"""
Converts LabelEngineLayerProperties to QGIS equivalent
"""
label_settings = QgsPalLayerSettings()
label_settings.drawLabels = properties.label_features
LabelConverter.convert_label_text_symbol(properties.text_symbol,
label_settings, context)
label_settings.fieldName = ExpressionConverter.convert(
properties.expression, properties.expression_parser,
properties.advanced_expression, context)
label_settings.isExpression = True
LabelConverter.convert_overposter(properties.overposter,
layer_geometry_type, label_settings,
context)
label_settings.scaleVisibility = properties.scale_range_max or properties.scale_range_min
# layer.zoom_max = "don't show when zoomed out beyond"
zoom_max = properties.scale_range_max
# layer.zoom_min = "don't show when zoomed in beyond"
zoom_min = properties.scale_range_min
if zoom_max and zoom_min and zoom_min > zoom_max:
# inconsistent scale range -- zoom_max should be bigger number than zoom_min
zoom_min, zoom_max = zoom_max, zoom_min
# qgis maximum scale = don't show when zoomed in beyond, i.e. ArcGIS zoom_min
label_settings.maximumScale = zoom_min
# qgis minimum scale = don't show when zoomed out beyond, i.e. ArcGIS zoom_max
label_settings.minimumScale = zoom_max
return label_settings
