org.apache.pdfbox.pdmodel.graphics.form

Class PDGroup

java.lang.Object

org.apache.pdfbox.pdmodel.graphics.form.PDGroup

All Implemented Interfaces:

COSObjectable

public final class PDGroup
extends Object
implements COSObjectable

Transparency group.

Author:

Kühn & Weyh Software, GmbH

Constructor Summary

Constructors

Constructor and Description
PDGroup(COSDictionary dic) Creates a group object from a given dictionary

Method Summary

Modifier and Type	Method and Description
PDColorSpace	getColorSpace() Returns the blending color space
COSDictionary	getCOSObject() Convert this standard java object to a COS object.
COSName	getSubType() Returns the groups's subtype, should be "Transparency".
boolean	isIsolated() Returns true if this group is isolated.
boolean	isKnockout() Returns true if this group is a knockout.

Methods inherited from class java.lang.Object

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

Constructor Detail

PDGroup

public PDGroup(COSDictionary dic)

Creates a group object from a given dictionary

Parameters:

dic - COSDictionary object

Method Detail

getCOSObject

public COSDictionary getCOSObject()

Description copied from interface: COSObjectable

Convert this standard java object to a COS object.

Specified by:

getCOSObject in interface COSObjectable

Returns:

The cos object that matches this Java object.

getSubType

public COSName getSubType()

Returns the groups's subtype, should be "Transparency".

getColorSpace

public PDColorSpace getColorSpace()
                           throws IOException

Returns the blending color space

Returns:

color space

Throws:

IOException

isIsolated

public boolean isIsolated()

Returns true if this group is isolated. Isolated groups begin with the fully transparent image, non-isolated begin with the current backdrop.

isKnockout

public boolean isKnockout()

Returns true if this group is a knockout. A knockout group blends with original backdrop, a non-knockout group blends with the current backdrop.