javax.media.jai
Class BorderExtenderZero

java.lang.Object
  |
  +--javax.media.jai.BorderExtender
        |
        +--javax.media.jai.BorderExtenderZero

All Implemented Interfaces:

Serializable

public final class BorderExtenderZero

extends BorderExtender

A subclass of BorderExtender that implements border extension by filling all pixels outside of the image bounds with zeros. For example, the image:

A	B	C
D	E	F
G	H	I

if extended by adding two extra rows to the top and bottom and two extra columns on the left and right sides, would become:

0	0	0	0	0	0	0
0	0	0	0	0	0	0
0	0	A	B	C	0	0
0	0	D	E	F	0	0
0	0	G	H	I	0	0
0	0	0	0	0	0	0
0	0	0	0	0	0	0

See Also:

BorderExtender, Serialized Form

Fields inherited from class javax.media.jai.BorderExtender

BORDER_COPY, BORDER_REFLECT, BORDER_WRAP, BORDER_ZERO

Method Summary

void	extend(WritableRaster raster, PlanarImage im) Fills in the portions of a given Raster that lie outside the bounds of a given PlanarImage with zeros.

Methods inherited from class javax.media.jai.BorderExtender

createInstance

Methods inherited from class java.lang.Object

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

Method Detail

extend

public final void extend(WritableRaster raster,
                         PlanarImage im)

Fills in the portions of a given Raster that lie outside the bounds of a given PlanarImage with zeros.

The portion of raster that lies within im.getBounds() is not altered.

Overrides:

extend in class BorderExtender

Parameters:

raster - The WritableRaster the border area of which is to be filled with zero.

im - The PlanarImage which determines the portion of the WritableRaster not to be filled.

Throws:

IllegalArgumentException - if either parameter is null.