Java Code Examples for org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget#setRectangle()

/**
     * <a href="https://stackoverflow.com/questions/46433388/pdfbox-could-not-find-font-helv">
     * PDFbox Could not find font: /Helv
     * </a>
     * <br/>
     * <a href="https://drive.google.com/file/d/0B2--NSDOiujoR3hOZFYteUl2UE0/view?usp=sharing">
     * 4.pdf
     * </a>
     * <p>
     * The cause is a combination of the OP and the source PDF not providing
     * a default appearance for the text field and PDFBox providing defaults
     * inconsequentially.
     * </p>
     * <p>
     * This is fixed here by setting the default appearance explicitly.
     * </p>
     */
    @Test
    public void testAddFieldLikeEugenePodoliako() throws IOException {
        try (   InputStream originalStream = getClass().getResourceAsStream("4.pdf") )
        {
            PDDocument pdf = Loader.loadPDF(originalStream);
            PDDocumentCatalog docCatalog = pdf.getDocumentCatalog();
            PDAcroForm acroForm = docCatalog.getAcroForm();
            PDPage page = pdf.getPage(0);

            PDTextField textBox = new PDTextField(acroForm);
            textBox.setPartialName("SampleField");
            acroForm.getFields().add(textBox);
            PDAnnotationWidget widget = textBox.getWidgets().get(0);
            PDRectangle rect = new PDRectangle(0, 0, 0, 0);
            widget.setRectangle(rect);
            widget.setPage(page);
//  Unnecessary code from OP
//            widget.setAppearance(acroForm.getFields().get(0).getWidgets().get(0).getAppearance());
//  Fix added to set default appearance accordingly
            textBox.setDefaultAppearance(acroForm.getFields().get(0).getCOSObject().getString("DA"));

            widget.setPrinted(false);

            page.getAnnotations().add(widget);

            acroForm.refreshAppearances();
            acroForm.flatten();
            pdf.save(new File(RESULT_FOLDER, "4-add-field.pdf"));
            pdf.close();
        }
    }
 

public static void main(String[] args) throws IOException {
	// Create a new document with an empty page.
	try (PDDocument doc = new PDDocument()) {
		PDPage page = new PDPage();
		doc.addPage(page);
		PDAcroForm acroForm = new PDAcroForm(doc);
		doc.getDocumentCatalog().setAcroForm(acroForm);

		// Note that the font is fully embedded. If you use a different font, make sure
		// that
		// its license allows full embedding.
		PDFont formFont = PDType0Font.load(doc, CreateSimpleFormWithEmbeddedFont.class
				.getResourceAsStream("/simhei.ttf"), false);

		// Add and set the resources and default appearance at the form level
		final PDResources resources = new PDResources();
		acroForm.setDefaultResources(resources);
		final String fontName = resources.add(formFont).getName();

		// Acrobat sets the font size on the form level to be
		// auto sized as default. This is done by setting the font size to '0'
		acroForm.setDefaultResources(resources);
		String defaultAppearanceString = "/" + fontName + " 0 Tf 0 g";

		PDTextField textBox = new PDTextField(acroForm);
		textBox.setPartialName("SampleField");
		textBox.setDefaultAppearance(defaultAppearanceString);
		acroForm.getFields().add(textBox);

		// Specify the widget annotation associated with the field
		PDAnnotationWidget widget = textBox.getWidgets().get(0);
		PDRectangle rect = new PDRectangle(50, 700, 200, 50);
		widget.setRectangle(rect);
		widget.setPage(page);
		page.getAnnotations().add(widget);

		// set the field value. Note that the last character is a turkish capital I with
		// a dot,
		// which is not part of WinAnsiEncoding
		textBox.setValue("Sample field 陌");

		doc.save("/home/lili/data/SimpleFormWithEmbeddedFont.pdf");
	}
}
 

/**
     * <a href="https://stackoverflow.com/questions/62601879/pdfbox-2-0-create-signature-field-and-save-incremental-with-already-signed-docum">
     * PDFBox 2.0 create signature field and save incremental with already signed document
     * </a>
     * <br/>
     * <a href="https://drive.google.com/file/d/1jFfYNtf9YHi7eIXsdyqIeC-18CASyglT/view?usp=sharing">
     * test-semnat.pdf
     * </a>
     * <p>
     * The remaining problem after the question update is that the OP replaces
     * the existing AcroForm definition. That changes too much, more than allowed
     * and more than he actually wants. What he wants is to retrieve the existing
     * AcroForm definition and only mark it and its Fields entry for saving.
     * </p>
     */
    @Test
    public void testTestSemnat() throws IOException {
        try (   InputStream resource = getClass().getResourceAsStream("test-semnat.pdf"); ) {
            PDDocument document = Loader.loadPDF(resource);

            PDPage page = document.getPage(0);

//instead of
//            // Add a new AcroForm and add that to the document
//            PDAcroForm acroForm = new PDAcroForm(document);
//            document.getDocumentCatalog().setAcroForm(acroForm);
//use
            PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();
            acroForm.getCOSObject().setNeedToBeUpdated(true);
            COSObject fields = acroForm.getCOSObject().getCOSObject(COSName.FIELDS);
            if (fields != null)
                fields.setNeedToBeUpdated(true);
//

            acroForm.setSignaturesExist(true);
            acroForm.setAppendOnly(true);
            acroForm.getCOSObject().setDirect(true);

            // Create empty signature field, it will get the name "Signature1"
            PDSignatureField signatureField = new PDSignatureField(acroForm);
            PDAnnotationWidget widget = signatureField.getWidgets().get(0);
            PDRectangle rect = new PDRectangle(50, 250, 200, 50);
            widget.setRectangle(rect);
            widget.getCOSObject().setNeedToBeUpdated(true);
            widget.setPage(page);
            page.getAnnotations().add(widget);
            page.getCOSObject().setNeedToBeUpdated(true);
            acroForm.getFields().add(signatureField);

            // general updates
            document.getDocumentCatalog().getCOSObject().setNeedToBeUpdated(true);

            OutputStream os = new FileOutputStream(new File(RESULT_FOLDER, "test-semnat-Field.pdf"));
            document.saveIncremental(os);
            System.out.println("done");
        }
    }
 

/**
 * <a href="http://stackoverflow.com/questions/37601092/pdfbox-identify-specific-pages-and-functionalities-recommendations">
 * PDFBox identify specific pages and functionalities recommendations
 * </a>
 * 
 * <p>
 * This test shows how to add an empty signature field with a custom appearance
 * to an existing PDF.
 * </p>
 */
@Test
public void testAddEmptySignatureField() throws IOException
{
    try (   InputStream sourceStream = getClass().getResourceAsStream("test.pdf");
            OutputStream output = new FileOutputStream(new File(RESULT_FOLDER, "test-with-empty-sig-field.pdf")))
    {
        PDFont font = PDType1Font.HELVETICA;
        PDResources resources = new PDResources();
        resources.put(COSName.getPDFName("Helv"), font);

        PDDocument document = Loader.loadPDF(sourceStream);
        PDAcroForm acroForm = new PDAcroForm(document);
        acroForm.setDefaultResources(resources);
        document.getDocumentCatalog().setAcroForm(acroForm);

        PDRectangle rect = new PDRectangle(50, 750, 200, 50);

        PDAppearanceDictionary appearanceDictionary = new PDAppearanceDictionary();
        PDAppearanceStream appearanceStream = new PDAppearanceStream(document);
        appearanceStream.setBBox(rect.createRetranslatedRectangle());
        appearanceStream.setResources(resources);
        appearanceDictionary.setNormalAppearance(appearanceStream);
        PDPageContentStream contentStream = new PDPageContentStream(document, appearanceStream);
        contentStream.setStrokingColor(Color.BLACK);
        contentStream.setNonStrokingColor(Color.LIGHT_GRAY);
        contentStream.setLineWidth(2);
        contentStream.addRect(0, 0, rect.getWidth(), rect.getHeight());
        contentStream.fill();
        contentStream.moveTo(1 * rect.getHeight() / 4, 1 * rect.getHeight() / 4);
        contentStream.lineTo(2 * rect.getHeight() / 4, 3 * rect.getHeight() / 4);
        contentStream.moveTo(1 * rect.getHeight() / 4, 3 * rect.getHeight() / 4);
        contentStream.lineTo(2 * rect.getHeight() / 4, 1 * rect.getHeight() / 4);
        contentStream.moveTo(3 * rect.getHeight() / 4, 1 * rect.getHeight() / 4);
        contentStream.lineTo(rect.getWidth() - rect.getHeight() / 4, 1 * rect.getHeight() / 4);
        contentStream.stroke();
        contentStream.setNonStrokingColor(Color.DARK_GRAY);
        contentStream.beginText();
        contentStream.setFont(font, rect.getHeight() / 5);
        contentStream.newLineAtOffset(3 * rect.getHeight() / 4, -font.getBoundingBox().getLowerLeftY() * rect.getHeight() / 5000);
        contentStream.showText("Customer");
        contentStream.endText();
        contentStream.close();

        PDSignatureField signatureField = new PDSignatureField(acroForm);
        signatureField.setPartialName("SignatureField");
        PDPage page = document.getPage(0);

        PDAnnotationWidget widget = signatureField.getWidgets().get(0);
        widget.setAppearance(appearanceDictionary);
        widget.setRectangle(rect);
        widget.setPage(page);

        page.getAnnotations().add(widget);
        acroForm.getFields().add(signatureField);

        document.save(output);
        document.close();
    }
}
 

@Override
public void draw() throws IOException {
	try (PDDocument doc = new PDDocument(); ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
		
		PDPage originalPage = document.getPage(parameters.getPage() - 1);
		SignatureFieldDimensionAndPositionBuilder dimensionAndPositionBuilder = 
				new SignatureFieldDimensionAndPositionBuilder(parameters, originalPage, pdFont);
		SignatureFieldDimensionAndPosition dimensionAndPosition = dimensionAndPositionBuilder.build();
		// create a new page
		PDPage page = new PDPage(originalPage.getMediaBox());
		doc.addPage(page);
		PDAcroForm acroForm = new PDAcroForm(doc);
           doc.getDocumentCatalog().setAcroForm(acroForm);
           PDSignatureField signatureField = new PDSignatureField(acroForm);
           PDAnnotationWidget widget = signatureField.getWidgets().get(0);
           List<PDField> acroFormFields = acroForm.getFields();
           acroForm.setSignaturesExist(true);
           acroForm.setAppendOnly(true);
           acroForm.getCOSObject().setDirect(true);
           acroFormFields.add(signatureField);

           PDRectangle rectangle = getPdRectangle(dimensionAndPosition, page);
           widget.setRectangle(rectangle);
           
           PDStream stream = new PDStream(doc);
           PDFormXObject form = new PDFormXObject(stream);
           PDResources res = new PDResources();
           form.setResources(res);
           form.setFormType(1);
           
           form.setBBox(new PDRectangle(rectangle.getWidth(), rectangle.getHeight()));
           
           PDAppearanceDictionary appearance = new PDAppearanceDictionary();
           appearance.getCOSObject().setDirect(true);
           PDAppearanceStream appearanceStream = new PDAppearanceStream(form.getCOSObject());
           appearance.setNormalAppearance(appearanceStream);
           widget.setAppearance(appearance);
           
           try (PDPageContentStream cs = new PDPageContentStream(doc, appearanceStream))
           {
           	rotateSignature(cs, rectangle, dimensionAndPosition);
           	setFieldBackground(cs, parameters.getBackgroundColor());
           	setText(cs, dimensionAndPosition, parameters);
           	setImage(cs, doc, dimensionAndPosition, parameters.getImage());
           }
           
           doc.save(baos);
           
           try (ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()))
           {
       		signatureOptions.setVisualSignature(bais);
       		signatureOptions.setPage(parameters.getPage() - 1);
           }
           
       }
}