cz.cuni.jagrlib
Class EmptyBitMaskEnumerator

java.lang.Object
  cz.cuni.jagrlib.EmptyBitMaskEnumerator

All Implemented Interfaces:

BitMaskEnumerator

public class EmptyBitMaskEnumerator
extends java.lang.Object
implements BitMaskEnumerator

Void BitMask-enumerator. Used in modules with no read capability.

See Also:

EmptyBitMaskEnumerator.java, interface BitMask, interface AlphaMask

Nested Class Summary

Nested classes/interfaces inherited from interface cz.cuni.jagrlib.BitMaskEnumerator

BitMaskEnumerator.HLine, BitMaskEnumerator.Pixel

Field Summary

Fields inherited from interface cz.cuni.jagrlib.BitMaskEnumerator

MINUS_INFINITY, PLUS_INFINITY

Constructor Summary

EmptyBitMaskEnumerator()

Method Summary

BitMaskEnumerator.HLine	nextHLine(BitMaskEnumerator.HLine pre) Returns the next BitMask (AlphaMask) H-line.
BitMaskEnumerator.Pixel	nextPixel(BitMaskEnumerator.Pixel pre) Returns the next BitMask (AlphaMask) pixel.
void	reset() (Re-)initialization of the enumerator.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EmptyBitMaskEnumerator

public EmptyBitMaskEnumerator()

Method Detail

reset

public void reset()

(Re-)initialization of the enumerator.

Specified by:

reset in interface BitMaskEnumerator

nextPixel

public BitMaskEnumerator.Pixel nextPixel(BitMaskEnumerator.Pixel pre)

Returns the next BitMask (AlphaMask) pixel.

Specified by:

nextPixel in interface BitMaskEnumerator

Parameters:

pre - Pre-allocated BitMaskEnumerator.Pixel instance (non-mandatory).

Returns:

The next opaque BitMaskEnumerator.Pixel or null.

See Also:

nextHLine(cz.cuni.jagrlib.BitMaskEnumerator.HLine)

nextHLine

public BitMaskEnumerator.HLine nextHLine(BitMaskEnumerator.HLine pre)

Returns the next BitMask (AlphaMask) H-line.

Specified by:

nextHLine in interface BitMaskEnumerator

Parameters:

pre - Pre-allocated BitMaskEnumerator.HLine instance (non-mandatory).

Returns:

The next opaque BitMaskEnumerator.HLine or null.

See Also:

nextPixel(cz.cuni.jagrlib.BitMaskEnumerator.Pixel)