Package com.drew.imaging.jpeg

Enum JpegSegmentType

java.lang.Object
java.lang.Enum<JpegSegmentType>
com.drew.imaging.jpeg.JpegSegmentType
All Implemented Interfaces:
Serializable, Comparable<JpegSegmentType>, java.lang.constant.Constable
public enum JpegSegmentType extends Enum<JpegSegmentType>
An enumeration of the known segment types found in JPEG files.
  • http://www.ozhiker.com/electronics/pjmt/jpeg_info/app_segments.html
  • http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/JPEG.html
Author:
Drew Noakes https://drewnoakes.com

  • Nested Class Summary

    Nested classes/interfaces inherited from class java.lang.Enum

    Enum.EnumDesc<E extends Enum<E>>

  • Enum Constant Summary

    Enum Constants
    Enum Constant
    Description
    APP0
    APP0 JPEG segment identifier.
    APP1
    APP1 JPEG segment identifier.
    APP2
    APP2 JPEG segment identifier.
    APP3
    APP3 JPEG segment identifier.
    APP4
    APP4 JPEG segment identifier.
    APP5
    APP5 JPEG segment identifier.
    APP6
    APP6 JPEG segment identifier.
    APP7
    APP7 JPEG segment identifier.
    APP8
    APP8 JPEG segment identifier.
    APP9
    APP9 JPEG segment identifier.
    APPA
    APPA (App10) JPEG segment identifier.
    APPB
    APPB (App11) JPEG segment identifier.
    APPC
    APPC (App12) JPEG segment identifier.
    APPD
    APPD (App13) JPEG segment identifier.
    APPE
    APPE (App14) JPEG segment identifier.
    APPF
    APPF (App15) JPEG segment identifier.
    COM
    JPEG comment segment identifier for comments.
    DAC
    Define Arithmetic Coding conditioning segment identifier.
    DHP
    Define Hierarchical Progression segment identifier.
    DHT
    Define Huffman Table segment identifier.
    DNL
    Define Number of Lines segment identifier.
    DQT
    Define Quantization Table segment identifier.
    DRI
    Define Restart Interval segment identifier.
    EXP
    EXPand reference component(s) segment identifier.
    JPG
    Reserved for JPEG extensions.
    SOF0
    Start-of-Frame (0) segment identifier for Baseline DCT.
    SOF1
    Start-of-Frame (1) segment identifier for Extended sequential DCT.
    SOF10
    Start-of-Frame (10) segment identifier for Progressive DCT.
    SOF11
    Start-of-Frame (11) segment identifier for Lossless (sequential).
    SOF13
    Start-of-Frame (13) segment identifier for Differential sequential DCT.
    SOF14
    Start-of-Frame (14) segment identifier for Differential progressive DCT.
    SOF15
    Start-of-Frame (15) segment identifier for Differential lossless (sequential).
    SOF2
    Start-of-Frame (2) segment identifier for Progressive DCT.
    SOF3
    Start-of-Frame (3) segment identifier for Lossless (sequential).
    SOF5
    Start-of-Frame (5) segment identifier for Differential sequential DCT.
    SOF6
    Start-of-Frame (6) segment identifier for Differential progressive DCT.
    SOF7
    Start-of-Frame (7) segment identifier for Differential lossless (sequential).
    SOF9
    Start-of-Frame (9) segment identifier for Extended sequential DCT.
    SOI
    Start Of Image segment identifier.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    final byte
    byteValue
     
    final boolean
    canContainMetadata
     
    static final Collection<JpegSegmentType>
    canContainMetadataTypes
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static JpegSegmentType
    fromByte(byte segmentTypeByte)
     
    static JpegSegmentType
    valueOf(String name)
    Returns the enum constant of this type with the specified name.
    static JpegSegmentType[]
    values()
    Returns an array containing the constants of this enum type, in the order they are declared.

    Methods inherited from class java.lang.Enum

    compareTo, describeConstable, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

    Methods inherited from class java.lang.Object

    getClass, notify, notifyAll, wait, wait, wait

  • Enum Constant Details

    • APP0

      public static final JpegSegmentType APP0
      APP0 JPEG segment identifier. Commonly contains JFIF, JFXX.

    • APP1

      public static final JpegSegmentType APP1
      APP1 JPEG segment identifier. Commonly contains Exif. XMP data is also kept in here, though usually in a second instance.

    • APP2

      public static final JpegSegmentType APP2
      APP2 JPEG segment identifier. Commonly contains ICC.

    • APP3

      public static final JpegSegmentType APP3
      APP3 JPEG segment identifier.

    • APP4

      public static final JpegSegmentType APP4
      APP4 JPEG segment identifier.

    • APP5

      public static final JpegSegmentType APP5
      APP5 JPEG segment identifier.

    • APP6

      public static final JpegSegmentType APP6
      APP6 JPEG segment identifier.

    • APP7

      public static final JpegSegmentType APP7
      APP7 JPEG segment identifier.

    • APP8

      public static final JpegSegmentType APP8
      APP8 JPEG segment identifier.

    • APP9

      public static final JpegSegmentType APP9
      APP9 JPEG segment identifier.

    • APPA

      public static final JpegSegmentType APPA
      APPA (App10) JPEG segment identifier. Can contain Unicode comments, though COM is more commonly used for comments.

    • APPB

      public static final JpegSegmentType APPB
      APPB (App11) JPEG segment identifier.

    • APPC

      public static final JpegSegmentType APPC
      APPC (App12) JPEG segment identifier.

    • APPD

      public static final JpegSegmentType APPD
      APPD (App13) JPEG segment identifier. Commonly contains IPTC, Photoshop data.

    • APPE

      public static final JpegSegmentType APPE
      APPE (App14) JPEG segment identifier. Commonly contains Adobe data.

    • APPF

      public static final JpegSegmentType APPF
      APPF (App15) JPEG segment identifier.

    • SOI

      public static final JpegSegmentType SOI
      Start Of Image segment identifier.

    • DQT

      public static final JpegSegmentType DQT
      Define Quantization Table segment identifier.

    • DNL

      public static final JpegSegmentType DNL
      Define Number of Lines segment identifier.

    • DRI

      public static final JpegSegmentType DRI
      Define Restart Interval segment identifier.

    • DHP

      public static final JpegSegmentType DHP
      Define Hierarchical Progression segment identifier.

    • EXP

      public static final JpegSegmentType EXP
      EXPand reference component(s) segment identifier.

    • DHT

      public static final JpegSegmentType DHT
      Define Huffman Table segment identifier.

    • DAC

      public static final JpegSegmentType DAC
      Define Arithmetic Coding conditioning segment identifier.

    • SOF0

      public static final JpegSegmentType SOF0
      Start-of-Frame (0) segment identifier for Baseline DCT.

    • SOF1

      public static final JpegSegmentType SOF1
      Start-of-Frame (1) segment identifier for Extended sequential DCT.

    • SOF2

      public static final JpegSegmentType SOF2
      Start-of-Frame (2) segment identifier for Progressive DCT.

    • SOF3

      public static final JpegSegmentType SOF3
      Start-of-Frame (3) segment identifier for Lossless (sequential).

    • SOF5

      public static final JpegSegmentType SOF5
      Start-of-Frame (5) segment identifier for Differential sequential DCT.

    • SOF6

      public static final JpegSegmentType SOF6
      Start-of-Frame (6) segment identifier for Differential progressive DCT.

    • SOF7

      public static final JpegSegmentType SOF7
      Start-of-Frame (7) segment identifier for Differential lossless (sequential).

    • JPG

      public static final JpegSegmentType JPG
      Reserved for JPEG extensions.

    • SOF9

      public static final JpegSegmentType SOF9
      Start-of-Frame (9) segment identifier for Extended sequential DCT.

    • SOF10

      public static final JpegSegmentType SOF10
      Start-of-Frame (10) segment identifier for Progressive DCT.

    • SOF11

      public static final JpegSegmentType SOF11
      Start-of-Frame (11) segment identifier for Lossless (sequential).

    • SOF13

      public static final JpegSegmentType SOF13
      Start-of-Frame (13) segment identifier for Differential sequential DCT.

    • SOF14

      public static final JpegSegmentType SOF14
      Start-of-Frame (14) segment identifier for Differential progressive DCT.

    • SOF15

      public static final JpegSegmentType SOF15
      Start-of-Frame (15) segment identifier for Differential lossless (sequential).

    • COM

      public static final JpegSegmentType COM
      JPEG comment segment identifier for comments.

  • Field Details

    • canContainMetadataTypes

      public static final Collection<JpegSegmentType> canContainMetadataTypes

    • byteValue

      public final byte byteValue

    • canContainMetadata

      public final boolean canContainMetadata

  • Method Details

    • values

      public static JpegSegmentType[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.
      Returns:
      an array containing the constants of this enum type, in the order they are declared

    • valueOf

      public static JpegSegmentType valueOf(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:
      IllegalArgumentException - if this enum type has no constant with the specified name
      NullPointerException - if the argument is null

    • fromByte

      public static JpegSegmentType fromByte(byte segmentTypeByte)