com.itextpdf.text.pdf.pdfcleanup

Class PdfCleanUpProcessor

java.lang.Object

com.itextpdf.text.pdf.pdfcleanup.PdfCleanUpProcessor

public class PdfCleanUpProcessor
extends Object

Represents the main mechanism for cleaning a PDF document.

Since:

5.5.4

Field Summary

Fields

Modifier and Type	Field and Description
static double	arcTolerance Used as the criterion of a good approximation of rounded line joins and line caps.
static boolean	fillCleanedArea
static double	floatMultiplier When a document with line arts is being cleaned up, there are lot of calculations with floating point numbers.

Constructor Summary

Constructors

Constructor and Description
PdfCleanUpProcessor(List<PdfCleanUpLocation> pdfCleanUpLocations, PdfStamper pdfStamper) Creates a PdfCleanUpProcessor object based on the given List of PdfCleanUpLocations representing regions to be erased from the document.
PdfCleanUpProcessor(PdfStamper pdfStamper) Creates a PdfCleanUpProcessor object.

Method Summary

Modifier and Type	Method and Description
void	cleanUp() Cleans the document by erasing all the areas which are either provided or extracted from redaction annotations.

Methods inherited from class java.lang.Object

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

Field Detail

floatMultiplier

public static double floatMultiplier

When a document with line arts is being cleaned up, there are lot of calculations with floating point numbers. All of them are translated into fixed point numbers by multiplying by this coefficient. Vary it to adjust the preciseness of the calculations.

fillCleanedArea

public static boolean fillCleanedArea

arcTolerance

public static double arcTolerance

Used as the criterion of a good approximation of rounded line joins and line caps.

Constructor Detail

PdfCleanUpProcessor

public PdfCleanUpProcessor(List<PdfCleanUpLocation> pdfCleanUpLocations,
                           PdfStamper pdfStamper)

Creates a PdfCleanUpProcessor object based on the given List of PdfCleanUpLocations representing regions to be erased from the document.

Parameters:

pdfCleanUpLocations - list of locations to be cleaned up PdfCleanUpLocation

pdfStamper - APdfStamper object representing the document which redaction applies to.

PdfCleanUpProcessor

public PdfCleanUpProcessor(PdfStamper pdfStamper)

Creates a PdfCleanUpProcessor object. Regions to be erased from the document are extracted from the redact annotations contained inside the given document.

Parameters:

pdfStamper - APdfStamper object representing the document which redaction applies to.

Method Detail

cleanUp

public void cleanUp()
             throws IOException,
                    DocumentException

Cleans the document by erasing all the areas which are either provided or extracted from redaction annotations.

Throws:

IOException

DocumentException