Gamma transfer function. More...

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

Inheritance diagram for IlvGammaTransfer:

Public Member Functions
	IlvGammaTransfer (IlFloat amplitude=1.0, IlFloat exponent=1.0, IlFloat offset=0.0)
	Constructor. More...

IlFloat	getAmplitude () const
	Returns the amplitude. More...

IlFloat	getExponent () const
	Returns the exponent. More...

IlFloat	getOffset () const
	Returns the offset. More...

void	setAmplitude (IlFloat amplitude)
	Sets the amplitude. More...

void	setExponent (IlFloat exponent)
	Sets the exponent. More...

void	setOffset (IlFloat offset)
	Sets the offset. More...

void	setValues (IlFloat amplitude, IlFloat exponent, IlFloat offset)
	Sets the values for amplitude, exponent, and offset. More...

Public Member Functions inherited from IlvTransferFunction
	IlvTransferFunction ()
	Constructor. More...

const IlUChar *	getLookUpTable () const
	Returns the lookup table. More...

void	setLookUpValue (IlUInt index, IlUChar value)
	Sets an entry in the lookup table. More...

Additional Inherited Members
Static Public Member Functions inherited from IlvTransferFunction
static IlvTransferFunction *	Create (const char *name)
	Returns a new instance of a registered transfer function. More...

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

IlFloat IlvGammaTransfer::getAmplitude ( ) const

Returns the amplitude.

IlFloat IlvGammaTransfer::getExponent ( ) const

Returns the exponent.

IlFloat IlvGammaTransfer::getOffset ( ) const

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