ucar.jpeg.colorspace.boxes

Class ComponentMappingBox

java.lang.Object

ucar.jpeg.colorspace.boxes.JP2Box

ucar.jpeg.colorspace.boxes.ComponentMappingBox

public final class ComponentMappingBox
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
ComponentMappingBox(RandomAccessIO in, int boxStart) Construct a ComponentMappingBox from an input image.

Method Summary

Modifier and Type	Method and Description
int	getCMP(int channel)
short	getMTYP(int channel) Return the channel type.
int	getNChannels()
short	getPCOL(int channel) Return the palette index for the 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

ComponentMappingBox

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

Construct a ComponentMappingBox 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

getNChannels

public int getNChannels()

getCMP

public int getCMP(int channel)

getMTYP

public short getMTYP(int channel)

Return the channel type.

getPCOL

public short getPCOL(int channel)

Return the palette index for the channel.

toString

public String toString()

Return a suitable String representation of the class instance.

Overrides:

toString in class Object