IlvPushAlpha Class Reference

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

#include <ilviews/base/port.h>

List of all members.

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

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Detailed Description

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

Library: display

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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.