ucar.jpeg.colorspace.boxes

Class ChannelDefinitionBox

java.lang.Object

ucar.jpeg.colorspace.boxes.JP2Box

ucar.jpeg.colorspace.boxes.ChannelDefinitionBox

public final class ChannelDefinitionBox
extends JP2Box

This class maps the components in the codestream to channels in the image. It models the Component Mapping box in the JP2 header.

Version:

1.0

Author:

Bruce A. Kern

Nested Class Summary

Nested classes/interfaces inherited from class ucar.jpeg.colorspace.boxes.JP2Box

JP2Box.BoxType

Field Summary

Fields inherited from class ucar.jpeg.colorspace.boxes.JP2Box

boxEnd, boxStart, dataStart, eol, in, length, type

Constructor Summary

Constructors

Constructor and Description
ChannelDefinitionBox(RandomAccessIO in, int boxStart) Construct a ChannelDefinitionBox from an input image.

Method Summary

Methods

Modifier and Type	Method and Description
int	getAsoc(int channel)
int	getCn(int asoc)
int	getNDefs()
int	getTyp(int channel)
String	toString() Return a suitable String representation of the class instance.

Methods inherited from class ucar.jpeg.colorspace.boxes.JP2Box

getTypeString, getTypeString

Methods inherited from class java.lang.Object

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

Constructor Detail

ChannelDefinitionBox

public ChannelDefinitionBox(RandomAccessIO in,
                    int boxStart)
                     throws IOException,
                            ColorSpaceException

Construct a ChannelDefinitionBox from an input image.

Parameters:

in - RandomAccessIO jp2 image

boxStart - offset to the start of the box in the image

Throws:

IOException, - ColorSpaceException

IOException

ColorSpaceException

Method Detail

getNDefs

public int getNDefs()

getCn

public int getCn(int asoc)

getTyp

public int getTyp(int channel)

getAsoc

public int getAsoc(int channel)

toString

public String toString()

Return a suitable String representation of the class instance.

Overrides:

toString in class Object