Package com.datalogics.PDFL

Enum Class CompressQuality

java.lang.Object

java.lang.Enum<CompressQuality>

com.datalogics.PDFL.CompressQuality

All Implemented Interfaces:

Serializable, Comparable<CompressQuality>, Constable

public enum CompressQuality
extends Enum<CompressQuality>

Establish the compression quality to be used in compression schemas that allow variable quality. (JPEG, JPEG2000, JBIG2). Unset should be selected for compression schemes that are inherently lossless (Flate, CCITTG3, or CCITTG4). JBIG2 may select any value. JPEG and JPEG2000 can select any value between Minimum and Maximum, but should not select Unset or Lossless.

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
HIGH	For JPEG, this will equate to a QFactor of 0.25.
LOSSLESS	This may ONLY be selected for Flate, CCITTG3, CCITTG4, and JBIG2
LOW	For JPEG, this will equate to a QFactor of 0.75.
MAXIMUM	For JPEG, this will equate to a QFactor of 0.15.
MEDIUM	For JPEG, this will equate to a QFactor of 0.5.
MINIMUM	For JPEG, this will equate to a QFactor of 1.3.
UNSET	No Quality is selected.

Method Summary

Modifier and Type	Method	Description
static CompressQuality	valueOf(String name)	Returns the enum constant of this class with the specified name.
static CompressQuality[]	values()	Returns an array containing the constants of this enum class, 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

UNSET

public static final CompressQuality UNSET

No Quality is selected. This is appropriate for Flate, JBIG2, CCITTG3, or CCITTG4 compression.

MINIMUM

public static final CompressQuality MINIMUM

For JPEG, this will equate to a QFactor of 1.3. For JPEG2000, this will equate to Quality of 0. For JBIG2, this will equate to a JB2Quality of 4.

LOW

public static final CompressQuality LOW

For JPEG, this will equate to a QFactor of 0.75. For JPEG2000, this will equate to Quality of 25. For JBIG2, this will equate to a JB2Quality of 5.

MEDIUM

public static final CompressQuality MEDIUM

For JPEG, this will equate to a QFactor of 0.5. For JPEG2000, this will equate to Quality of 50. For JBIG2, this will equate to a JB2Quality of 7.

HIGH

public static final CompressQuality HIGH

For JPEG, this will equate to a QFactor of 0.25. For JPEG2000, this will equate to Quality of 75. For JBIG2, this will equate to a JB2Quality of 9.

MAXIMUM

public static final CompressQuality MAXIMUM

For JPEG, this will equate to a QFactor of 0.15. For JPEG2000, this will equate to Quality of 100. For JBIG2, this will equate to a JB2Quality of 10.

LOSSLESS

public static final CompressQuality LOSSLESS

This may ONLY be selected for Flate, CCITTG3, CCITTG4, and JBIG2

Method Details

values

public static CompressQuality[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

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

valueOf

public static CompressQuality valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name

NullPointerException - if the argument is null