Example usage for com.itextpdf.text.pdf PdfName REPEAT

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfName REPEAT.

Prototype

PdfName REPEAT

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Document

A name

Usage

From source file:mkl.testarea.itext5.pdfcleanup.StrictPdfCleanUpProcessor.java

License:Open Source License

/**
 * Deletes redact annotations from the page and substitutes them with either OverlayText or RO object if it's needed.
 *///from   w ww  .  j a va  2  s. c om
private void deleteRedactAnnots(int pageNum) throws IOException, DocumentException {
    Set<String> indirRefs = redactAnnotIndirRefs.get(pageNum);

    if (indirRefs == null || indirRefs.isEmpty()) {
        return;
    }

    PdfReader reader = pdfStamper.getReader();
    PdfContentByte canvas = pdfStamper.getOverContent(pageNum);
    PdfDictionary pageDict = reader.getPageN(pageNum);
    PdfArray annotsArray = pageDict.getAsArray(PdfName.ANNOTS);

    // j is for access annotRect (i can be decreased, so we need to store additional index,
    // indicating current position in ANNOTS array in case if we don't remove anything
    for (int i = 0, j = 0; i < annotsArray.size(); ++i, ++j) {
        PdfIndirectReference annotIndRef = annotsArray.getAsIndirectObject(i);
        PdfDictionary annotDict = annotsArray.getAsDict(i);

        if (indirRefs.contains(annotIndRef.toString()) || indirRefs.contains(getParentIndRefStr(annotDict))) {
            PdfStream formXObj = annotDict.getAsStream(PdfName.RO);
            PdfString overlayText = annotDict.getAsString(PdfName.OVERLAYTEXT);

            if (fillCleanedArea && formXObj != null) {
                PdfArray rectArray = annotDict.getAsArray(PdfName.RECT);
                Rectangle annotRect = new Rectangle(rectArray.getAsNumber(0).floatValue(),
                        rectArray.getAsNumber(1).floatValue(), rectArray.getAsNumber(2).floatValue(),
                        rectArray.getAsNumber(3).floatValue());

                insertFormXObj(canvas, pageDict, formXObj, clippingRects.get(j), annotRect);
            } else if (fillCleanedArea && overlayText != null && overlayText.toUnicodeString().length() > 0) {
                drawOverlayText(canvas, clippingRects.get(j), overlayText, annotDict.getAsString(PdfName.DA),
                        annotDict.getAsNumber(PdfName.Q), annotDict.getAsBoolean(PdfName.REPEAT));
            }

            annotsArray.remove(i--); // array size is changed, so we need to decrease i
        }
    }

    if (annotsArray.size() == 0) {
        pageDict.remove(PdfName.ANNOTS);
    }
}

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