IlvPushAlpha Class Reference

This class is used to temporarily modify the alpha component of an IlvPort. More...

#include <ilviews/base/port.h>

Public Member Functions
	IlvPushAlpha (IlvPort &port, IlvIntensity alpha)
	Constructor. More...

Detailed Description

This class is used to temporarily modify the alpha component of an IlvPort.

Library: display

Constructor & Destructor Documentation

IlvPushAlpha::IlvPushAlpha	(	IlvPort &	port,
		IlvIntensity	alpha
	)

Constructor.

This constructor composes the alpha value of the port with alpha. When this object is destroyed, the original alpha value of the port is restored.

Parameters

port	The port whose alpha will be modified.
alpha	The alpha component that will be composed with the alpha component of the port.