Package org.openpdf.renderer.colorspace

Class IndexedColor

java.lang.Object

org.openpdf.renderer.colorspace.PDFColorSpace

org.openpdf.renderer.colorspace.IndexedColor

public class IndexedColor
extends PDFColorSpace

A PDFColorSpace for an IndexedColor model

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	count	size of the color table
protected byte[]	finalcolors	r,g,and b components of the color table as a single array, for Java's IndexColorModel
(package private) int	nchannels	number of channels in the base Color Space (unused)
(package private) Color[]	table	the color table

Fields inherited from class org.openpdf.renderer.colorspace.PDFColorSpace

COLORSPACE_CMYK, COLORSPACE_GRAY, COLORSPACE_PATTERN, COLORSPACE_RGB, cs

Constructor Summary

Constructors

Constructor	Description
IndexedColor(Color[] table)	create a new IndexColor PDFColorSpace based on a table of colors.
IndexedColor(PDFColorSpace base, int count, PDFObject stream)	create a new IndexColor PDFColorSpace based on another PDFColorSpace, a count of colors, and a stream of values.

Method Summary

Modifier and Type	Method	Description
byte[]	getColorComponents()	Get the table of color components
int	getCount()	Get the number of indices
int	getNumComponents()	get the number of components of this colorspace (1)
PDFPaint	getPaint(float[] components)	get the color represented by the index.

Methods inherited from class org.openpdf.renderer.colorspace.PDFColorSpace

getColorSpace, getColorSpace, getColorSpace

Methods inherited from class java.lang.Object

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

Field Details

finalcolors

protected byte[] finalcolors

r,g,and b components of the color table as a single array, for Java's IndexColorModel

table

Color[] table

the color table

count

int count

size of the color table

nchannels

int nchannels

number of channels in the base Color Space (unused)

Constructor Details

IndexedColor

public IndexedColor(PDFColorSpace base,
 int count,
 PDFObject stream)
             throws IOException

create a new IndexColor PDFColorSpace based on another PDFColorSpace, a count of colors, and a stream of values. Every consecutive n bytes of the stream is interpreted as a color in the base ColorSpace, where n is the number of components in that color space.

Parameters:

base - the color space in which the data is interpreted

count - the number of colors in the table

stream - a stream of bytes. The number of bytes must be count*n, where n is the number of components in the base colorspace.

Throws:

IOException

IndexedColor

public IndexedColor(Color[] table)
             throws IOException

create a new IndexColor PDFColorSpace based on a table of colors.

Parameters:

table - an array of colors

Throws:

IOException

Method Details

getCount

public int getCount()

Get the number of indices

getColorComponents

public byte[] getColorComponents()

Get the table of color components

getNumComponents

public int getNumComponents()

get the number of components of this colorspace (1)

Overrides:

getNumComponents in class PDFColorSpace

getPaint

public PDFPaint getPaint(float[] components)

get the color represented by the index.

Overrides:

getPaint in class PDFColorSpace

Parameters:

components - an array of exactly one integer number whose value is between 0 and the size of the color table - 1.

Returns:

a PDFPaint object representing the closest Color to the given components.