cz.cuni.jagrlib
Interface BitMaskEnumerator

All Known Implementing Classes:

AlphaMatrix.AlphaMatrixEnumerator, EmptyBitMaskEnumerator, XTransitionList.XTransitionListEnumerator

public interface BitMaskEnumerator

Abstract BitMask-enumerator. Used for BitMask and AlphaMask passing.

Since:

0.03

See Also:

BitMaskEnumerator.java, interface BitMask, interface AlphaMask

Nested Class Summary

static class	BitMaskEnumerator.HLine Return type for BitMaskEnumerator H-line.
static class	BitMaskEnumerator.Pixel Return type for BitMaskEnumerator pixel.

Field Summary

static int	MINUS_INFINITY -Infinity marker.
static int	PLUS_INFINITY +Infinity marker.

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.

Field Detail

MINUS_INFINITY

static final int MINUS_INFINITY

-Infinity marker.

See Also:

Constant Field Values

PLUS_INFINITY

static final int PLUS_INFINITY

+Infinity marker.

See Also:

Constant Field Values

Method Detail

reset

void reset()

(re-)initialization of the enumerator.

nextPixel

BitMaskEnumerator.Pixel nextPixel(BitMaskEnumerator.Pixel pre)

Returns the next BitMask (AlphaMask) pixel.

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

BitMaskEnumerator.HLine nextHLine(BitMaskEnumerator.HLine pre)

Returns the next BitMask (AlphaMask) H-line.

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)