Package com.itextpdf.io.image

Class Jbig2ImageData

java.lang.Object

com.itextpdf.io.image.ImageData

com.itextpdf.io.image.Jbig2ImageData

       public class Jbig2ImageData extends ImageData
      

Image data for a selected page of a JBIG2 image.

Field Summary

Fields inherited from class com.itextpdf.io.image.ImageData

bpc, colorEncodingComponentsNumber, colorTransform, data, decode, decodeParms, deflated, dpiX, dpiY, filter, height, imageAttributes, imageMask, imageSize, interpolation, inverted, mask, mySerialId, originalType, profile, rotation, transparency, url, width, XYRatio

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Jbig2ImageData(byte[] bytes, int page)	Creates JBIG2 image data from encoded bytes.
protected	Jbig2ImageData(URL url, int page)	Creates JBIG2 image data to be loaded from a URL.

Method Summary

Modifier and Type	Method	Description
boolean	canImageBeInline()	Checks if image can be inline
static int	getNumberOfPages(byte[] bytes)	Gets the number of pages in a JBIG2 image.
static int	getNumberOfPages(RandomAccessFileOrArray raf)	Gets the number of pages in a JBIG2 image.
int	getPage()	Gets the selected page number.

Methods inherited from class com.itextpdf.io.image.ImageData

canBeMask, getBpc, getColorEncodingComponentsNumber, getColorTransform, getData, getDecode, getDecodeParms, getDpiX, getDpiY, getFilter, getHeight, getImageAttributes, getImageMask, getOriginalType, getProfile, getRotation, getTransparency, getUrl, getWidth, getXYRatio, isDeflated, isInterpolation, isInverted, isMask, isRawImage, isSoftMask, loadData, makeMask, setBpc, setColorEncodingComponentsNumber, setColorTransform, setDecode, setDeflated, setDpi, setFilter, setHeight, setImageAttributes, setImageMask, setInterpolation, setInverted, setProfile, setRotation, setTransparency, setUrl, setWidth, setXYRatio

Methods inherited from class java.lang.Object

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

Constructor Details

Jbig2ImageData

             protected Jbig2ImageData
             (URL url, int page)
            

Creates JBIG2 image data to be loaded from a URL.

Parameters:

url - source URL, not null

page - one-based JBIG2 page number

Jbig2ImageData

             protected Jbig2ImageData
             (byte[] bytes, int page)
            

Creates JBIG2 image data from encoded bytes.

Parameters:

bytes - encoded JBIG2 bytes; the array is retained

page - one-based JBIG2 page number

Method Details

getPage

             public int getPage()
            

Gets the selected page number.

Returns:

one-based JBIG2 page number

getNumberOfPages

             public static int getNumberOfPages
             (byte[] bytes)
            

Gets the number of pages in a JBIG2 image.

Parameters:

bytes - a byte array containing a JBIG2 image

Returns:

the number of pages

getNumberOfPages

             public static int getNumberOfPages
             (RandomAccessFileOrArray raf)
            

Gets the number of pages in a JBIG2 image.

Parameters:

raf - a RandomAccessFileOrArray containing a JBIG2 image

Returns:

the number of pages

canImageBeInline

             public boolean canImageBeInline()
            

Checks if image can be inline

Overrides:

canImageBeInline in class ImageData

Returns:

false, because JBIG2 images require a JBIG2Decode filter