IlvGammaTransfer Class Reference

Gamma transfer function. More...

#include <ilviews/bitmaps/filters/transfer.h>

Inheritance diagram for IlvGammaTransfer:

List of all members.

Public Member Functions
	IlvGammaTransfer (IlFloat amplitude=1.0, IlFloat exponent=1.0, IlFloat offset=0.0)
	Constructor.
IlFloat	getAmplitude () const
	Returns the amplitude.
IlFloat	getExponent () const
	Returns the exponent.
IlFloat	getOffset () const
	Returns the offset.
void	setAmplitude (IlFloat amplitude)
	Sets the amplitude.
void	setExponent (IlFloat exponent)
	Sets the exponent.
void	setOffset (IlFloat offset)
	Sets the offset.
void	setValues (IlFloat amplitude, IlFloat exponent, IlFloat offset)
	Sets the values for amplitude, exponent, and offset.

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Detailed Description

Gamma transfer function.

Library: ilvbmpflt

This transfer function defines a lookup table by an exponential function: C' = amplitude * pow(C, exponent) + offset

See also:

IlvRGBBitmapData, IlvBitmapFilter, IlvComponentTransferFilter, IlvTransferFunction, IlvIdentityTransfer, IlvLinearTransfer, IlvTableTransfer, IlvDiscreteTransfer

---

Constructor & Destructor Documentation

IlvGammaTransfer::IlvGammaTransfer	(	IlFloat	amplitude = 1.0,
		IlFloat	exponent = 1.0,
		IlFloat	offset = 0.0
	)

Constructor.

Initializes a new instance of the class IlvGammaTransfer.

Parameters:

	amplitude	The amplitude value.
	exponent	The exponent value.
	offset	The offset value.

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Member Function Documentation

IlFloat IlvGammaTransfer::getAmplitude

(

)

const

Returns the amplitude.

Returns:

The amplitude.

IlFloat IlvGammaTransfer::getExponent

(

)

const

Returns the exponent.

Returns:

The exponent.

IlFloat IlvGammaTransfer::getOffset

(

)

const

Returns the offset.

Returns:

The offset.

void IlvGammaTransfer::setAmplitude

(

IlFloat

amplitude

)

Sets the amplitude.

Parameters:

amplitude

The new amplitude.

void IlvGammaTransfer::setExponent

(

IlFloat

exponent

)

Sets the exponent.

Parameters:

exponent

The new exponent.

void IlvGammaTransfer::setOffset

(

IlFloat

offset

)

Sets the offset.

Parameters:

offset

The new offset.

void IlvGammaTransfer::setValues	(	IlFloat	amplitude,
		IlFloat	exponent,
		IlFloat	offset
	)

Sets the values for amplitude, exponent, and offset.

Parameters:

	amplitude	The new amplitude.
	exponent	The new exponent.
	offset	The new offset.