Examples with PdfDocumentContentParser com.itextpdf.kernel.pdf.canvas.parser.PdfDocumentContentParser used on opensource projects

Example 1 with PdfDocumentContentParser

use of com.itextpdf.kernel.pdf.canvas.parser.PdfDocumentContentParser in project i7j-pdfsweep by itext.

the class PdfAutoSweepTools method getPdfCleanUpLocations.

/**
 * Get all {@link PdfCleanUpLocation} objects from a given {@link PdfPage}.
 *
 * @param page the {@link PdfPage} to be processed
 *
 * @return a List of {@link PdfCleanUpLocation} objects
 */
public List<PdfCleanUpLocation> getPdfCleanUpLocations(PdfPage page) {
    // get document
    PdfDocument doc = page.getDocument();
    // create parser
    PdfDocumentContentParser parser = new PdfDocumentContentParser(doc);
    // get page number
    int pageNr = doc.getPageNumber(page);
    // process document
    List<PdfCleanUpLocation> toClean = new ArrayList<>();
    parser.processContent(pageNr, strategy);
    for (IPdfTextLocation rect : strategy.getResultantLocations()) {
        if (rect != null) {
            toClean.add(new PdfCleanUpLocation(pageNr, rect.getRectangle(), strategy.getRedactionColor(rect)));
        }
    }
    // reset strategy for next iteration
    resetStrategy();
    // return
    return toClean;
}

Example 2 with PdfDocumentContentParser

use of com.itextpdf.kernel.pdf.canvas.parser.PdfDocumentContentParser in project i7j-pdfsweep by itext.

the class PdfAutoSweepTools method getPdfCleanUpLocations.

/**
 * Get all {@link PdfCleanUpLocation} objects from a given {@link PdfDocument}.
 *
 * @param doc the {@link PdfDocument} to be processed
 *
 * @return a List of {@link PdfCleanUpLocation} objects
 */
public List<PdfCleanUpLocation> getPdfCleanUpLocations(PdfDocument doc) {
    PdfDocumentContentParser parser = new PdfDocumentContentParser(doc);
    List<PdfCleanUpLocation> toClean = new ArrayList<>();
    for (int pageNr = 1; pageNr <= doc.getNumberOfPages(); pageNr++) {
        parser.processContent(pageNr, strategy);
        for (IPdfTextLocation rect : strategy.getResultantLocations()) {
            if (rect != null) {
                toClean.add(new PdfCleanUpLocation(pageNr, rect.getRectangle(), strategy.getRedactionColor(rect)));
            }
        }
        resetStrategy();
    }
    java.util.Collections.sort(toClean, new Comparator<PdfCleanUpLocation>() {

        @Override
        public int compare(PdfCleanUpLocation o1, PdfCleanUpLocation o2) {
            if (o1.getPage() != o2.getPage()) {
                return o1.getPage() < o2.getPage() ? -1 : 1;
            }
            Rectangle r1 = o1.getRegion();
            Rectangle r2 = o2.getRegion();
            if (r1.getY() == r2.getY()) {
                return r1.getX() == r2.getX() ? 0 : (r1.getX() < r2.getX() ? -1 : 1);
            } else {
                return r1.getY() < r2.getY() ? -1 : 1;
            }
        }
    });
    return toClean;
}