Package com.itextpdf.text.pdf

Class PdfVisibilityExpression

java.lang.Object

com.itextpdf.text.pdf.PdfObject

com.itextpdf.text.pdf.PdfArray

com.itextpdf.text.pdf.PdfVisibilityExpression

All Implemented Interfaces:

Serializable, Iterable<PdfObject>

public class PdfVisibilityExpression
extends PdfArray

An array specifying a visibility expression, used to compute visibility of content based on a set of optional content groups.

Since:

5.0.2

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	AND	A boolean operator.
static final int	NOT	A boolean operator.
static final int	OR	A boolean operator.

Fields inherited from class com.itextpdf.text.pdf.PdfArray

arrayList

Fields inherited from class com.itextpdf.text.pdf.PdfObject

ARRAY, BOOLEAN, bytes, DICTIONARY, INDIRECT, indRef, NAME, NOTHING, NULL, NUMBER, STREAM, STRING, TEXT_PDFDOCENCODING, TEXT_UNICODE, type

Constructor Summary

Constructors

Constructor	Description
PdfVisibilityExpression(int type)	Creates a visibility expression.

Method Summary

Modifier and Type	Method	Description
boolean	add(float[] values)	Adds an array of float values to end of the PdfArray.
boolean	add(int[] values)	Adds an array of int values to end of the PdfArray.
void	add(int index, PdfObject element)	Inserts the specified element at the specified position.
boolean	add(PdfObject object)	Adds a PdfObject to the end of the PdfArray.
void	addFirst(PdfObject object)	Inserts a PdfObject at the beginning of the PdfArray.

Methods inherited from class com.itextpdf.text.pdf.PdfArray

asDoubleArray, asLongArray, contains, getArrayList, getAsArray, getAsBoolean, getAsDict, getAsIndirectObject, getAsName, getAsNumber, getAsStream, getAsString, getDirectObject, getPdfObject, isEmpty, iterator, listIterator, remove, set, size, toPdf, toString

Methods inherited from class com.itextpdf.text.pdf.PdfObject

canBeInObjStm, getBytes, getIndRef, isArray, isBoolean, isDictionary, isIndirect, isName, isNull, isNumber, isStream, isString, length, setContent, setIndRef, type

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Details

OR

public static final int OR

A boolean operator.

See Also:

• Constant Field Values

AND

public static final int AND

A boolean operator.

See Also:

• Constant Field Values

NOT

public static final int NOT

A boolean operator.

See Also:

• Constant Field Values

Constructor Details

PdfVisibilityExpression

public PdfVisibilityExpression(int type)

Creates a visibility expression.

Parameters:

type - should be AND, OR, or NOT

Method Details

add

public void add(int index,
 PdfObject element)

Description copied from class: PdfArray

Inserts the specified element at the specified position. Shifts the element currently at that position (if any) and any subsequent elements to the right (adds one to their indices).

Overrides:

add in class PdfArray

Parameters:

index - The index at which the specified element is to be inserted

element - The element to be inserted

See Also:

• PdfArray.add(int, com.itextpdf.text.pdf.PdfObject)

add

public boolean add(PdfObject object)

Description copied from class: PdfArray

Adds a PdfObject to the end of the PdfArray. The PdfObject will be the last element.

Overrides:

add in class PdfArray

Parameters:

object - PdfObject to add

Returns:

always true

See Also:

• PdfArray.add(com.itextpdf.text.pdf.PdfObject)

addFirst

public void addFirst(PdfObject object)

Description copied from class: PdfArray

Inserts a PdfObject at the beginning of the PdfArray. The PdfObject will be the first element, any other elements will be shifted to the right (adds one to their indices).

Overrides:

addFirst in class PdfArray

Parameters:

object - The PdfObject to add

See Also:

• PdfArray.addFirst(com.itextpdf.text.pdf.PdfObject)

add

public boolean add(float[] values)

Description copied from class: PdfArray

Adds an array of float values to end of the PdfArray. The values will be the last elements. The float values are internally converted to PdfNumber objects.

Overrides:

add in class PdfArray

Parameters:

values - An array of float values to add

Returns:

always true

See Also:

• PdfArray.add(float[])

add

public boolean add(int[] values)

Description copied from class: PdfArray

Adds an array of int values to end of the PdfArray. The values will be the last elements. The int values are internally converted to PdfNumber objects.

Overrides:

add in class PdfArray

Parameters:

values - An array of int values to add

Returns:

always true

See Also:

• PdfArray.add(int[])