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IlvTransferFunction Class Reference

Base transfer function. More...

#include <ilviews/bitmaps/transfer.h>

Inheritance diagram for IlvTransferFunction:
IlvValueInterface IlvDiscreteTransfer IlvGammaTransfer IlvIdentityTransfer IlvLinearTransfer IlvTableTransfer

Public Member Functions

 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...
 
- Public Member Functions inherited from IlvValueInterface
virtual IlBoolean applyValue (const IlvValue &value)
 Apply an accessor. More...
 
virtual IlBoolean changeValue (const IlvValue &val)
 Changes the value of an accessor. More...
 
virtual IlBoolean changeValues (const IlvValue *values, IlUShort count=0)
 Changes several accessor values simultaneously. More...
 
virtual void getAccessors (const IlSymbol *const **names, const IlvValueTypeClass *const **types, IlUInt &count) const
 Retrieves the list of available accessors of an object. More...
 
virtual const char * getName () const
 Returns the name of the instance. The semantic and implementation of this method are defined by concrete subclasses. The default implementation returns 0. More...
 
virtual IlvValue & queryValue (IlvValue &val) const
 Retrieves an accessor value. More...
 
virtual void queryValues (IlvValue *values, IlUShort count) const
 Retrieves multiple accessor values simultaneously. More...
 

Static Public Member Functions

static IlvTransferFunction * Create (const char *name)
 Returns a new instance of a registered transfer function. More...
 

Detailed Description

Base transfer function.

Library: xviews or winviews or mviews (mutually exclusive)

This is the base class for transfer functions used in IlvComponentTransferFilter. It defines a lookup table for the new component values.

See also
IlvRGBBitmapData, IlvBitmapFilter, IlvComponentTransferFilter, IlvIdentityTransfer, IlvLinearTransfer, IlvTableTransfer, IlvDiscreteTransfer, IlvGammaTransfer

Constructor & Destructor Documentation

◆ IlvTransferFunction()

IlvTransferFunction::IlvTransferFunction ( )

Constructor.

Initializes a new instance of the class IlvTransferFunction.

Member Function Documentation

◆ Create()

static IlvTransferFunction* IlvTransferFunction::Create ( const char *  name)
static

Returns a new instance of a registered transfer function.

Parameters
nameThe name of the transfer function.

◆ getLookUpTable()

const IlUChar* IlvTransferFunction::getLookUpTable ( ) const

Returns the lookup table.

Returns
An array of 256 IlUChar values.

◆ setLookUpValue()

void IlvTransferFunction::setLookUpValue ( IlUInt  index,
IlUChar  value 
)

Sets an entry in the lookup table.

Parameters
indexThe index of the entry.
valueThe new value of the entry.