Package com.drew.imaging.png

Class PngColorType

java.lang.Object

com.drew.imaging.png.PngColorType

public class PngColorType
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
private int[]	_allowedBitDepths
private java.lang.String	_description
private int	_numericValue
static PngColorType	GREYSCALE	Each pixel is a greyscale sample.
static PngColorType	GREYSCALE_WITH_ALPHA	Each pixel is a greyscale sample followed by an alpha sample.
static PngColorType	INDEXED_COLOR	Each pixel is a palette index.
static PngColorType	TRUE_COLOR	Each pixel is an R,G,B triple.
static PngColorType	TRUE_COLOR_WITH_ALPHA	Each pixel is an R,G,B triple followed by an alpha sample.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	PngColorType(int numericValue, java.lang.String description, int... allowedBitDepths)

Method Summary

Modifier and Type	Method	Description
static PngColorType	fromNumericValue(int numericValue)
int[]	getAllowedBitDepths()
java.lang.String	getDescription()
int	getNumericValue()

Methods inherited from class java.lang.Object

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

Field Detail

GREYSCALE

public static final PngColorType GREYSCALE

Each pixel is a greyscale sample.

TRUE_COLOR

public static final PngColorType TRUE_COLOR

Each pixel is an R,G,B triple.

INDEXED_COLOR

public static final PngColorType INDEXED_COLOR

Each pixel is a palette index. Seeing this value indicates that a PLTE chunk shall appear.

GREYSCALE_WITH_ALPHA

public static final PngColorType GREYSCALE_WITH_ALPHA

Each pixel is a greyscale sample followed by an alpha sample.

TRUE_COLOR_WITH_ALPHA

public static final PngColorType TRUE_COLOR_WITH_ALPHA

Each pixel is an R,G,B triple followed by an alpha sample.

_numericValue

private final int _numericValue

_description

private final java.lang.String _description

_allowedBitDepths

private final int[] _allowedBitDepths

Constructor Detail

PngColorType

private PngColorType(int numericValue,
                     java.lang.String description,
                     int... allowedBitDepths)

Method Detail

fromNumericValue

public static PngColorType fromNumericValue(int numericValue)

getNumericValue

public int getNumericValue()

getDescription

public java.lang.String getDescription()

getAllowedBitDepths

public int[] getAllowedBitDepths()