Package org.jpedal.manipulator

Class Redact

java.lang.Object

org.jpedal.manipulator.Redact

All Implemented Interfaces:

org.jpedal.manipulator.Manipulation

public class Redact
extends Object
implements org.jpedal.manipulator.Manipulation

Redacts text by removing the selected glyphs from the content stream in such a way that the content can no longer be extracted from the PDF.

A black box is also drawn to cover the area where the text used to be.

See Also:

• PdfManipulator.redact(PageRanges, float[])

Field Summary

Fields

Modifier and Type	Field	Description
static final float	DEFAULT_GLYPH_COVER_THRESHOLD	The default percentage of a glyph's area that must be covered by the redaction rectangle for it to be redacted.

Constructor Summary

Constructors

Constructor	Description
Redact(PdfManipulator pdfManipulator, PdfOptimizer pdfOptimizer, PageRanges pages, float[] rect)	Perform text redaction on a subset of pages.
Redact(PdfManipulator pdfManipulator, PdfOptimizer pdfOptimizer, PageRanges pages, float[] rect, float glyphCoverThreshold)	Perform text redaction on a subset of pages.

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_GLYPH_COVER_THRESHOLD

public static final float DEFAULT_GLYPH_COVER_THRESHOLD

The default percentage of a glyph's area that must be covered by the redaction rectangle for it to be redacted.

See Also:

• glyphCoverThreshold
• Constant Field Values

Constructor Details

Redact

public Redact(PdfManipulator pdfManipulator,
 PdfOptimizer pdfOptimizer,
 PageRanges pages,
 float[] rect)

Perform text redaction on a subset of pages.

Parameters:

pdfManipulator - the PdfManipulator object for the currently loaded document

pdfOptimizer - the PdfOptimizer object for the currently loaded document

pages - the pages to redact

rect - text within this rectangle will be redacted. The rectangle takes the form llx, lly, urx, ury

Redact

public Redact(PdfManipulator pdfManipulator,
 PdfOptimizer pdfOptimizer,
 PageRanges pages,
 float[] rect,
 float glyphCoverThreshold)

Perform text redaction on a subset of pages.

Parameters:

pdfManipulator - the PdfManipulator object for the currently loaded document

pdfOptimizer - the PdfOptimizer object for the currently loaded document

pages - the pages to redact

rect - text within this rectangle will be redacted. The rectangle takes the form llx, lly, urx, ury

glyphCoverThreshold - for a glyph to be redacted, the rectangle must cover at least this percentage of its area.