cz.muni.pdfjbim
Class PdfImageProcessor

java.lang.Object
  cz.muni.pdfjbim.PdfImageProcessor

Deprecated.

public class PdfImageProcessor
extends Object

This will read a pdf and extract images (names of images are stored in list and put back their compressed version)

Author:

Radim Hatlapatka (hata.radim@gmail.com)

Constructor Summary

PdfImageProcessor()
Deprecated.

Method Summary

void	extractImages(File pdfFile, String password, Set<Integer> pagesToProcess, Boolean binarize) Deprecated. This method extracts images from PDF
void	extractImages(InputStream is, String password, Set<Integer> pagesToProcess, Boolean binarize) Deprecated. This method extracts images by going through all COSObjects pointed from xref table
void	extractImages(String pdfFile, String password, Set<Integer> pagesToProcess, Boolean binarize) Deprecated. This method extracts images from PDF
void	extractImagesUsingPdfObjectAccess(String pdfFile, String password, Set<Integer> pagesToProcess, Boolean silent, Boolean binarize) Deprecated. -- do not use doesn't work properly yet This method extracts images by going through PDF tree structure
void	extractImagesUsingPdfParser(InputStream is, String prefix, String password, Set<Integer> pagesToProcess, Boolean binarize) Deprecated. This method extracts images by going through all COSObjects pointed from xref table
List<String>	getNamesOfImages() Deprecated.
List<PdfImageInformation>	getOriginalImageInformations() Deprecated.
String	getUniqueFileName(String prefix, String suffix) Deprecated. get file name that is not used right now
void	replaceImageUsingIText(String pdfName, OutputStream os, Jbig2ForPdf imagesData) Deprecated. replace images by they recompressed version according to JBIG2 standard positions and image data given in imagesData

Methods inherited from class java.lang.Object

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

Constructor Detail

PdfImageProcessor

public PdfImageProcessor()

Deprecated.

Method Detail

getNamesOfImages

public List<String> getNamesOfImages()

Deprecated.

Returns:

names of images in a list

getOriginalImageInformations

public List<PdfImageInformation> getOriginalImageInformations()

Deprecated.

Returns:

list of informations about images

extractImages

public void extractImages(File pdfFile,
                          String password,
                          Set<Integer> pagesToProcess,
                          Boolean binarize)
                   throws PdfRecompressionException

Deprecated.

This method extracts images from PDF

Parameters:

pdfFile - input PDF file

password - password for access to PDF if needed

pagesToProcess - list of pages which should be processed if null given => processed all pages -- not working yet

binarize - -- enables processing of nonbitonal images as well (LZW is still not processed because of output with inverted colors)

Throws:

PdfRecompressionException - if problem to extract images from PDF

extractImages

public void extractImages(String pdfFile,
                          String password,
                          Set<Integer> pagesToProcess,
                          Boolean binarize)
                   throws PdfRecompressionException

Deprecated.

This method extracts images from PDF

Parameters:

pdfFile - name of input PDF file

password - password for access to PDF if needed

pagesToProcess - list of pages which should be processed if null given => processed all pages -- not working yet

binarize - -- enables processing of nonbitonal images as well (LZW is still not processed because of output with inverted colors)

Throws:

PdfRecompressionException - if problem to extract images from PDF

extractImages

public void extractImages(InputStream is,
                          String password,
                          Set<Integer> pagesToProcess,
                          Boolean binarize)
                   throws PdfRecompressionException

Deprecated.

This method extracts images by going through all COSObjects pointed from xref table

Parameters:

pdfFile - name of input PDF file

password - password for access to PDF if needed

pagesToProcess - list of pages which should be processed if null given => processed all pages -- not working yet

binarize - -- enables processing of nonbitonal images as well (LZW is still not processed because of output with inverted colors)

Throws:

PdfRecompressionException - if problem to extract images from PDF

extractImagesUsingPdfParser

public void extractImagesUsingPdfParser(InputStream is,
                                        String prefix,
                                        String password,
                                        Set<Integer> pagesToProcess,
                                        Boolean binarize)
                                 throws PdfRecompressionException

Deprecated.

This method extracts images by going through all COSObjects pointed from xref table

Parameters:

is - input stream containing PDF file

password - password for access to PDF if needed

pagesToProcess - list of pages which should be processed if null given => processed all pages -- not working yet

binarize - -- enables processing of nonbitonal images as well (LZW is still not processed because of output with inverted colors)

Throws:

PdfRecompressionException - if problem to extract images from PDF

extractImagesUsingPdfObjectAccess

public void extractImagesUsingPdfObjectAccess(String pdfFile,
                                              String password,
                                              Set<Integer> pagesToProcess,
                                              Boolean silent,
                                              Boolean binarize)
                                       throws PdfRecompressionException

Deprecated. -- do not use doesn't work properly yet This method extracts images by going through PDF tree structure

Parameters:

pdfFile - name of input PDF file

password - password for access to PDF if needed

pagesToProcess - list of pages which should be processed if null given => processed all pages -- not working yet

silent - -- if true error messages are not written to output otherwise they are

binarize - -- enables processing of nonbitonal images as well (LZW is still not processed because of output with inverted colors)

Throws:

PdfRecompressionException - if problem to extract images from PDF

getUniqueFileName

public String getUniqueFileName(String prefix,
                                String suffix)

Deprecated.

get file name that is not used right now

Parameters:

prefix - represents prefix of the name of file

suffix - represents suffix of the name of file

Returns:

file name that is not used right now

replaceImageUsingIText

public void replaceImageUsingIText(String pdfName,
                                   OutputStream os,
                                   Jbig2ForPdf imagesData)
                            throws PdfRecompressionException

Deprecated.

replace images by they recompressed version according to JBIG2 standard positions and image data given in imagesData

Parameters:

pdfName - represents name of original PDF file

os - represents output stream for writing changed PDF file

imagesData - contains compressed images according to JBIG2 standard and informations about them

Throws:

PdfRecompressionException - if version of PDF is lower than 1.4 or was catch DocumentException or IOException