com.itextpdf.text.pdf.codec

Class JBIG2Image

java.lang.Object

com.itextpdf.text.pdf.codec.JBIG2Image

public class JBIG2Image
extends Object

Support for JBIG2 Images. This class assumes that we are always embedding into a pdf.

Since:

2.1.5

Constructor Summary

Constructors

Constructor and Description
JBIG2Image()

Method Summary

Modifier and Type	Method and Description
static byte[]	getGlobalSegment(RandomAccessFileOrArray ra) Gets a byte array that can be used as a /JBIG2Globals, or null if not applicable to the given jbig2.
static Image	getJbig2Image(RandomAccessFileOrArray ra, int page) returns an Image representing the given page.
static int	getNumberOfPages(RandomAccessFileOrArray ra) Gets the number of pages in a JBIG2 image.

Methods inherited from class java.lang.Object

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

Constructor Detail

JBIG2Image

public JBIG2Image()

Method Detail

getGlobalSegment

public static byte[] getGlobalSegment(RandomAccessFileOrArray ra)

Gets a byte array that can be used as a /JBIG2Globals, or null if not applicable to the given jbig2.

Parameters:

ra - an random access file or array

Returns:

a byte array

getJbig2Image

public static Image getJbig2Image(RandomAccessFileOrArray ra,
                                  int page)

returns an Image representing the given page.

Parameters:

ra - the file or array containing the image

page - the page number of the image

Returns:

an Image object

getNumberOfPages

public static int getNumberOfPages(RandomAccessFileOrArray ra)

Gets the number of pages in a JBIG2 image.

Parameters:

ra - a random acces file array containing a JBIG2 image

Returns:

the number of pages