Alpha

Alpha

Constructor

Alpha(value[, property_name])

The alpha value (i.e. opacity) of a graphic.

Properties

Alpha.value

Graphic Feature value, must be implemented in subclass

Methods

Alpha.add_event_handler(handler)	Add an event handler.
Alpha.block_events(val)	Block all events from this feature
Alpha.clear_event_handlers()	Clear all event handlers
Alpha.remove_event_handler(handler)	Remove a registered event handler.
Alpha.set_value(graphic_or_key, value)	wraps GraphicFeature.set_value