IlvManagerLayerAlphaMessage Class Reference

Manager message class used when setting the alpha value of a manager layer. More...

#include <ilviews/manager/observer.h>

Inheritance diagram for IlvManagerLayerAlphaMessage:

Public Member Functions
	IlvManagerLayerAlphaMessage (int layer, IlvIntensity oldValue)
	Constructor. More...
Public Member Functions inherited from IlvManagerLayerMessage
	IlvManagerLayerMessage (IlUInt reason, int layer)
	Constructor. More...
int	getLayer () const
	Returns the index of the layer. More...
Public Member Functions inherited from IlvManagerMessage
	IlvManagerMessage (IlUInt reason, IlUInt mask, IlAny data=0)
	Constructor. More...

Public Attributes
IlvIntensity	_oldAlpha
	Previous alpha value. More...
Public Attributes inherited from IlvManagerMessage
IlAny	_data
	Additional message information. More...
IlUInt	_mask
	Message mask (or message category). More...
IlUInt	_reason
	Message type. More...

Detailed Description

Manager message class used when setting the alpha value of a manager layer.

Library: ilvmgr

This message class is used in the method IlvManagerLayer::setAlpha(). The reason (or message type) is always IlvMgrMsgLayerAlpha. The new alpha value of the layer is available though the manager layer object. The previous alpha value of the layer is stored in the message data field _oldAlpha.

Constructor & Destructor Documentation

IlvManagerLayerAlphaMessage()

IlvManagerLayerAlphaMessage::IlvManagerLayerAlphaMessage	(	int	layer,
		IlvIntensity	oldValue
	)

Constructor.

Sets the message type to IlvMgrMsgLayerAlpha.

Parameters

layer	The index of the layer.
oldValue	The previous alpha value of the manager layer.

Member Data Documentation

_oldAlpha

IlvIntensity IlvManagerLayerAlphaMessage::_oldAlpha

Previous alpha value.

The previous alpha value of the the manager layer.