Package net.sourceforge.tess4j.util

Class PdfBoxUtilities

java.lang.Object

net.sourceforge.tess4j.util.PdfBoxUtilities

public class PdfBoxUtilities
extends Object

PDF utilities based on PDFBox.

Author:

Robert Drysdale, Quan Nguyen

Constructor Summary

Constructors

Constructor	Description
PdfBoxUtilities()

Method Summary

Modifier and Type	Method	Description
static File[]	convertPdf2Png(File inputPdfFile)	Converts PDF to PNG format.
static File	convertPdf2Tiff(File inputPdfFile)	Converts PDF to TIFF format.
static int	getPdfPageCount(File inputPdfFile)	Gets PDF Page Count.
static void	mergeHocrIntoAPdf(String inputHocr, String inputPdfStr, String outputPdfStr, boolean visible)	Merge text from hocr file into a pdf
static void	mergePdf(File[] inputPdfFiles, File outputPdfFile)	Merges PDF files.
static void	splitPdf(File inputPdfFile, File outputPdfFile, int firstPage, int lastPage)	Splits PDF.

Methods inherited from class java.lang.Object

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

Constructor Details

PdfBoxUtilities

public PdfBoxUtilities()

Method Details

convertPdf2Tiff

public static File convertPdf2Tiff(File inputPdfFile)
                            throws IOException

Converts PDF to TIFF format.

Parameters:

inputPdfFile - input file

Returns:

a multi-page TIFF image

Throws:

IOException

convertPdf2Png

public static File[] convertPdf2Png(File inputPdfFile)
                             throws IOException

Converts PDF to PNG format.

Parameters:

inputPdfFile - input file

Returns:

an array of PNG images

Throws:

IOException

splitPdf

public static void splitPdf(File inputPdfFile,
 File outputPdfFile,
 int firstPage,
 int lastPage)

Splits PDF.

Parameters:

inputPdfFile - input file

outputPdfFile - output file

firstPage - begin page

lastPage - end page

getPdfPageCount

public static int getPdfPageCount(File inputPdfFile)

Gets PDF Page Count.

Parameters:

inputPdfFile - input file

Returns:

number of pages

mergePdf

public static void mergePdf(File[] inputPdfFiles,
 File outputPdfFile)

Merges PDF files.

Parameters:

inputPdfFiles - array of input files

outputPdfFile - output file

mergeHocrIntoAPdf

public static void mergeHocrIntoAPdf(String inputHocr,
 String inputPdfStr,
 String outputPdfStr,
 boolean visible)
                              throws Exception

Merge text from hocr file into a pdf

Parameters:

inputHocr - input hocr file

inputPdfStr - input pdf file

outputPdfStr - ouput pdf file result of merging

visible - does the text are visible or not

Throws:

Exception