Package org.apache.commons.imaging.formats.png

Enum ChunkType

java.lang.Object

java.lang.Enum<ChunkType>

org.apache.commons.imaging.formats.png.ChunkType

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<ChunkType>

public enum ChunkType
extends java.lang.Enum<ChunkType>

Type of PNG chunk.

See Also:

Portable Network Graphics Specification - Chunk specifications

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static interface	ChunkType.ChunkConstructor

Enum Constant Summary

Enum Constants

Enum Constant	Description
bKGD	Background color
cHRM	Primary chromaticities and white point
eXIf	Exchangeable Image File (Exif) Profile
gAMA	Image gamma
gIFg	GIF Graphic Control Extension
gIFx	GIF Application Extension
hIST	Image histogram
iCCP	Embedded ICC profile
IDAT	Image data
IEND	Image trailer
IHDR	Image header
iTXt	International textual data
oFFs	Image offset
pCAL	Calibration of pixel values
pHYs	Physical pixel dimensions
PLTE	Palette
sBIT	Significant bits
sCAL	Physical scale
sPLT	Suggested palette
sRGB	Standard RGB color space
sTER	Indicator of Stereo Image
tEXt	Textual data
tIME	Image last-modification time
tRNS	Transparency
zTXt	Compressed textual data

Field Summary

Fields

Modifier and Type	Field	Description
(package private) byte[]	array
(package private) ChunkType.ChunkConstructor	constructor
(package private) Extension	extension
private static ChunkType[]	types
(package private) int	value

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ChunkType()
private	ChunkType(ChunkType.ChunkConstructor constructor)
private	ChunkType(Extension extension)
private	ChunkType(Extension extension, ChunkType.ChunkConstructor constructor)

Method Summary

Modifier and Type	Method	Description
(package private) static ChunkType	findType(int chunkType)
(package private) static PngChunk	makeChunk(int length, int chunkType, int crc, byte[] bytes)
static ChunkType	valueOf(java.lang.String name)	Returns the enum constant of this type with the specified name.
static ChunkType[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

IHDR

public static final ChunkType IHDR

Image header

PLTE

public static final ChunkType PLTE

Palette

IDAT

public static final ChunkType IDAT

Image data

IEND

public static final ChunkType IEND

Image trailer

tRNS

public static final ChunkType tRNS

Transparency

cHRM

public static final ChunkType cHRM

Primary chromaticities and white point

gAMA

public static final ChunkType gAMA

Image gamma

iCCP

public static final ChunkType iCCP

Embedded ICC profile

sBIT

public static final ChunkType sBIT

Significant bits

sRGB

public static final ChunkType sRGB

Standard RGB color space

tEXt

public static final ChunkType tEXt

Textual data

zTXt

public static final ChunkType zTXt

Compressed textual data

iTXt

public static final ChunkType iTXt

International textual data

bKGD

public static final ChunkType bKGD

Background color

hIST

public static final ChunkType hIST

Image histogram

pHYs

public static final ChunkType pHYs

Physical pixel dimensions

sPLT

public static final ChunkType sPLT

Suggested palette

tIME

public static final ChunkType tIME

Image last-modification time

oFFs

public static final ChunkType oFFs

Image offset

Since:

1.0.0-alpha6

pCAL

public static final ChunkType pCAL

Calibration of pixel values

Since:

1.0.0-alpha6

sCAL

public static final ChunkType sCAL

Physical scale

gIFg

public static final ChunkType gIFg

GIF Graphic Control Extension

Since:

1.0.0-alpha6

gIFx

public static final ChunkType gIFx

GIF Application Extension

Since:

1.0.0-alpha6

sTER

public static final ChunkType sTER

Indicator of Stereo Image

Since:

1.0.0-alpha6

eXIf

public static final ChunkType eXIf

Exchangeable Image File (Exif) Profile

Since:

1.0.0-alpha6

Field Detail

types

private static final ChunkType[] types

array

final byte[] array

value

final int value

extension

final Extension extension

constructor

final ChunkType.ChunkConstructor constructor

Constructor Detail

ChunkType

private ChunkType()

ChunkType

private ChunkType(ChunkType.ChunkConstructor constructor)

ChunkType

private ChunkType(Extension extension)

ChunkType

private ChunkType(Extension extension,
                  ChunkType.ChunkConstructor constructor)

Method Detail

values

public static ChunkType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (ChunkType c : ChunkType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static ChunkType valueOf(java.lang.String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null

findType

static ChunkType findType(int chunkType)

makeChunk

static PngChunk makeChunk(int length,
                          int chunkType,
                          int crc,
                          byte[] bytes)
                   throws java.io.IOException

Throws:

java.io.IOException