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

Example 1 with PdfDictionary

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

the class FilteredImagesCacheTest method assertNumberXObjects.

private void assertNumberXObjects(String output, int n) throws IOException {
    PdfDocument doc = new PdfDocument(new PdfReader(output));
    int xObjCount = 0;
    for (int i = 0; i < doc.getNumberOfPdfObjects(); ++i) {
        PdfObject pdfObject = doc.getPdfObject(i);
        if (pdfObject != null && pdfObject.isStream()) {
            PdfDictionary dict = (PdfDictionary) pdfObject;
            if (PdfName.Image.equals(dict.getAsName(PdfName.Subtype)) && dict.containsKey(PdfName.Width) && dict.containsKey(PdfName.Height)) {
                ++xObjCount;
            }
        }
    }
    Assert.assertEquals(n, xObjCount);
}

Example 2 with PdfDictionary

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

the class PdfCleanUpTool method extractLocationsFromSingleRedactAnnotation.

/**
 * Note: annotation can consist not only of one area specified by the RECT entry, but also of multiple areas specified
 * by the QuadPoints entry in the annotation dictionary.
 */
private void extractLocationsFromSingleRedactAnnotation(PdfRedactAnnotation redactAnnotation) {
    List<Rectangle> regions;
    PdfArray quadPoints = redactAnnotation.getQuadPoints();
    if (quadPoints != null && !quadPoints.isEmpty()) {
        regions = translateQuadPointsToRectangles(quadPoints);
    } else {
        regions = new ArrayList<>();
        regions.add(redactAnnotation.getRectangle().toRectangle());
    }
    redactAnnotations.put(redactAnnotation, regions);
    int page = pdfDocument.getPageNumber(redactAnnotation.getPage());
    Color cleanUpColor = redactAnnotation.getInteriorColor();
    PdfDictionary ro = redactAnnotation.getRedactRolloverAppearance();
    if (ro != null) {
        cleanUpColor = null;
    }
    for (Rectangle region : regions) {
        addCleanupLocation(new PdfCleanUpLocation(page, region, cleanUpColor));
    }
}

Example 3 with PdfDictionary

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

the class PdfCleanUpTool method drawOverlayText.

private void drawOverlayText(PdfCanvas canvas, String overlayText, Rectangle annotRect, PdfBoolean repeat, PdfString defaultAppearance, int justification) throws IOException {
    Map<String, List> parsedDA;
    try {
        parsedDA = parseDAParam(defaultAppearance);
    } catch (NullPointerException npe) {
        throw new PdfException(CleanupExceptionMessageConstant.DEFAULT_APPEARANCE_NOT_FOUND);
    }
    PdfFont font;
    float fontSize = 12;
    List fontArgs = parsedDA.get("Tf");
    PdfDictionary formDictionary = pdfDocument.getCatalog().getPdfObject().getAsDictionary(PdfName.AcroForm);
    if (fontArgs != null && formDictionary != null) {
        font = getFontFromAcroForm((PdfName) fontArgs.get(0));
        fontSize = ((PdfNumber) fontArgs.get(1)).floatValue();
    } else {
        font = PdfFontFactory.createFont();
    }
    if (pdfDocument.isTagged()) {
        canvas.openTag(new CanvasArtifact());
    }
    Canvas modelCanvas = new Canvas(canvas, annotRect, false);
    Paragraph p = new Paragraph(overlayText).setFont(font).setFontSize(fontSize).setMargin(0);
    TextAlignment textAlignment = TextAlignment.LEFT;
    switch(justification) {
        case 1:
            textAlignment = TextAlignment.CENTER;
            break;
        case 2:
            textAlignment = TextAlignment.RIGHT;
            break;
        default:
    }
    p.setTextAlignment(textAlignment);
    List strokeColorArgs = parsedDA.get("StrokeColor");
    if (strokeColorArgs != null) {
        p.setStrokeColor(getColor(strokeColorArgs));
    }
    List fillColorArgs = parsedDA.get("FillColor");
    if (fillColorArgs != null) {
        p.setFontColor(getColor(fillColorArgs));
    }
    modelCanvas.add(p);
    if (repeat != null && repeat.getValue()) {
        boolean hasFull = modelCanvas.getRenderer().hasProperty(Property.FULL);
        boolean isFull = hasFull ? (boolean) modelCanvas.getRenderer().getPropertyAsBoolean(Property.FULL) : false;
        while (!isFull) {
            p.add(overlayText);
            LayoutArea previousArea = modelCanvas.getRenderer().getCurrentArea().clone();
            modelCanvas.relayout();
            if (modelCanvas.getRenderer().getCurrentArea().equals(previousArea)) {
                // Avoid infinite loop. This might be caused by the fact that the font does not support the text we want to show
                break;
            }
            hasFull = modelCanvas.getRenderer().hasProperty(Property.FULL);
            isFull = hasFull ? (boolean) modelCanvas.getRenderer().getPropertyAsBoolean(Property.FULL) : false;
        }
    }
    modelCanvas.getRenderer().flush();
    if (pdfDocument.isTagged()) {
        canvas.closeTag();
    }
}

Example 4 with PdfDictionary

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

the class PdfCleanUpTool method getFontFromAcroForm.

private PdfFont getFontFromAcroForm(PdfName fontName) {
    PdfDictionary formDictionary = pdfDocument.getCatalog().getPdfObject().getAsDictionary(PdfName.AcroForm);
    PdfDictionary resources = formDictionary.getAsDictionary(PdfName.DR);
    PdfDictionary fonts = resources.getAsDictionary(PdfName.Font);
    return PdfFontFactory.createFont(fonts.getAsDictionary(fontName));
}

Example 5 with PdfDictionary

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

the class CleanUpImagesCompareTool method extractImagesFromPdf.

private Map<Integer, PageImageObjectsPaths> extractImagesFromPdf(String pdf, String outputPath) throws IOException, InterruptedException {
    try (PdfReader readerPdf = new PdfReader(pdf);
        PdfDocument pdfDoc = new PdfDocument(readerPdf)) {
        Map<Integer, PageImageObjectsPaths> imageObjectDatas = new HashMap<>();
        for (int i = 1; i <= pdfDoc.getNumberOfPages(); i++) {
            PdfPage page = pdfDoc.getPage(i);
            PageImageObjectsPaths imageObjectData = new PageImageObjectsPaths(page.getPdfObject().getIndirectReference());
            Stack<LocalPathItem> baseLocalPath = new Stack<LocalPathItem>();
            PdfResources pdfResources = page.getResources();
            if (pdfResources.getPdfObject().isIndirect()) {
                imageObjectData.addIndirectReference(pdfResources.getPdfObject().getIndirectReference());
            } else {
                baseLocalPath.push(new DictPathItem(PdfName.Resources));
            }
            PdfDictionary xObjects = pdfResources.getResource(PdfName.XObject);
            if (xObjects == null) {
                continue;
            }
            if (xObjects.isIndirect()) {
                imageObjectData.addIndirectReference(xObjects.getIndirectReference());
                baseLocalPath.clear();
            } else {
                baseLocalPath.push(new DictPathItem(PdfName.XObject));
            }
            boolean isPageToGsExtract = false;
            for (PdfName objectName : xObjects.keySet()) {
                if (!xObjects.get(objectName).isStream() || !PdfName.Image.equals(xObjects.getAsStream(objectName).getAsName(PdfName.Subtype))) {
                    continue;
                }
                PdfImageXObject pdfObject = new PdfImageXObject(xObjects.getAsStream(objectName));
                baseLocalPath.push(new DictPathItem(objectName));
                if (!useGs) {
                    String extension = pdfObject.identifyImageFileExtension();
                    String fileName = outputPath + objectName + "_" + i + "." + extension;
                    createImageFromPdfXObject(fileName, pdfObject);
                } else {
                    isPageToGsExtract = true;
                }
                Stack<LocalPathItem> reversedStack = new Stack<>();
                reversedStack.addAll(baseLocalPath);
                Stack<LocalPathItem> resultStack = new Stack<>();
                resultStack.addAll(reversedStack);
                imageObjectData.addLocalPath(resultStack);
                baseLocalPath.pop();
            }
            if (useGs && isPageToGsExtract) {
                String fileName = "Page_" + i;
                ghostscriptHelper.runGhostScriptImageGeneration(pdf, outputPath, fileName, String.valueOf(i));
            }
            ImageRenderListener listener = new ImageRenderListener();
            PdfCanvasProcessor parser = new PdfCanvasProcessor(listener);
            parser.processPageContent(page);
            ignoredImagesAreas.put(i, listener.getImageRectangles());
            imageObjectDatas.put(i, imageObjectData);
        }
        return imageObjectDatas;
    }
}