Examples with PdfStream com.itextpdf.kernel.pdf.PdfStream used on opensource projects

Example 11 with PdfStream

use of com.itextpdf.kernel.pdf.PdfStream in project i7j-pdfsweep by itext.

the class PdfCleanUpProcessor method checkIfImageAndClean.

private void checkIfImageAndClean(List<PdfObject> operands) {
    PdfStream imageStream = getXObjectStream((PdfName) operands.get(0));
    if (PdfName.Image.equals(imageStream.getAsName(PdfName.Subtype))) {
        ImageRenderInfo encounteredImage = ((PdfCleanUpEventListener) getEventListener()).getEncounteredImage();
        FilteredImagesCache.FilteredImageKey key = filter.createFilteredImageKey(encounteredImage.getImage(), encounteredImage.getImageCtm(), document);
        PdfImageXObject imageToWrite = getFilteredImage(key, encounteredImage.getImageCtm());
        if (imageToWrite != null) {
            float[] ctm = pollNotAppliedCtm();
            writeNotAppliedGsParams(false, false);
            openNotWrittenTags();
            getCanvas().addXObjectWithTransformationMatrix(imageToWrite, ctm[0], ctm[1], ctm[2], ctm[3], ctm[4], ctm[5]);
        }
    }
}

Example 12 with PdfStream

use of com.itextpdf.kernel.pdf.PdfStream in project i7j-pdfsweep by itext.

the class PdfCleanUpProcessor method filterImageMask.

private void filterImageMask(PdfImageXObject originalImage, PdfName maskKey, Matrix ctmForMasksFiltering, PdfImageXObject imageToWrite) {
    PdfStream maskStream = originalImage.getPdfObject().getAsStream(maskKey);
    if (maskStream == null || ctmForMasksFiltering == null) {
        return;
    }
    PdfImageXObject maskImageXObject = new PdfImageXObject(maskStream);
    if (!PdfCleanUpFilter.imageSupportsDirectCleanup(maskImageXObject)) {
        Logger logger = LoggerFactory.getLogger(PdfCleanUpProcessor.class);
        logger.error(CleanUpLogMessageConstant.IMAGE_MASK_CLEAN_UP_NOT_SUPPORTED);
        return;
    }
    FilteredImagesCache.FilteredImageKey k = filter.createFilteredImageKey(maskImageXObject, ctmForMasksFiltering, document);
    PdfImageXObject maskToWrite = getFilteredImage(k, null);
    if (maskToWrite != null) {
        imageToWrite.getPdfObject().put(maskKey, maskToWrite.getPdfObject());
    }
}

Example 13 with PdfStream

use of com.itextpdf.kernel.pdf.PdfStream in project i7j-pdfsweep by itext.

the class PdfCleanUpProcessor method popCanvasIfFormXObject.

private void popCanvasIfFormXObject(String operator, List<PdfObject> operands) {
    if ("Do".equals(operator)) {
        PdfStream formStream = getXObjectStream((PdfName) operands.get(0));
        if (PdfName.Form.equals(formStream.getAsName(PdfName.Subtype))) {
            PdfCanvas cleanedCanvas = popCleanedCanvas();
            PdfFormXObject newFormXObject = new PdfFormXObject((Rectangle) null);
            newFormXObject.getPdfObject().putAll(formStream);
            if (formStream.containsKey(PdfName.Resources)) {
                newFormXObject.put(PdfName.Resources, cleanedCanvas.getResources().getPdfObject());
            }
            newFormXObject.getPdfObject().setData(cleanedCanvas.getContentStream().getBytes());
            PdfName name = getCanvas().getResources().addForm(newFormXObject);
            getCanvas().getContentStream().getOutputStream().write(name).writeSpace().writeBytes(ByteUtils.getIsoBytes("Do\n"));
        }
    }
}

Example 14 with PdfStream

use of com.itextpdf.kernel.pdf.PdfStream in project i7j-pdfsweep by itext.

the class PdfCleanUpTool method removeRedactAnnots.

/**
 * Remove the redaction annotations.
 * This method is called after the annotations are processed.
 *
 * @throws IOException
 */
private void removeRedactAnnots() throws IOException {
    for (PdfRedactAnnotation annotation : redactAnnotations.keySet()) {
        PdfPage page = annotation.getPage();
        if (page != null) {
            page.removeAnnotation(annotation);
            PdfPopupAnnotation popup = annotation.getPopup();
            if (popup != null) {
                page.removeAnnotation(popup);
            }
        }
        PdfCanvas canvas = new PdfCanvas(page);
        PdfStream redactRolloverAppearance = annotation.getRedactRolloverAppearance();
        PdfString overlayText = annotation.getOverlayText();
        Rectangle annotRect = annotation.getRectangle().toRectangle();
        if (redactRolloverAppearance != null) {
            drawRolloverAppearance(canvas, redactRolloverAppearance, annotRect, redactAnnotations.get(annotation));
        } else if (overlayText != null && !overlayText.toUnicodeString().isEmpty()) {
            drawOverlayText(canvas, overlayText.toUnicodeString(), annotRect, annotation.getRepeat(), annotation.getDefaultAppearance(), annotation.getJustification());
        }
    }
}