com.itextpdf.text.pdf.PdfTemplate Java Examples

/**
 * Writes swing to pdf
 * 
 * @param panel
 * @param fileName
 * @throws DocumentException
 * @throws Exception
 */
public static void writeToPDF(JComponent panel, File fileName)
    throws IOException, DocumentException {
  // print the panel to pdf
  int width = panel.getWidth();
  int height = panel.getHeight();
  logger.info(
      () -> MessageFormat.format("Exporting panel to PDF file (width x height; {0} x {1}): {2}",
          width, height, fileName.getAbsolutePath()));
  Document document = new Document(new Rectangle(width, height));
  PdfWriter writer = null;
  try {
    writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
    document.open();
    PdfContentByte contentByte = writer.getDirectContent();
    PdfTemplate template = contentByte.createTemplate(width, height);
    Graphics2D g2 = new PdfGraphics2D(contentByte, width, height, new DefaultFontMapper());
    panel.print(g2);
    g2.dispose();
    contentByte.addTemplate(template, 0, 0);
    document.close();
    writer.close();
  } finally {
    if (document.isOpen()) {
      document.close();
    }
  }
}
 

/**
 * Exports the specified JFreeChart to a PDF file using
 * <a href="http://itextpdf.com" target="_blank">iText</a>, bundled with
 * Fiji. The destination file is specified by the user in a save dialog
 * prompt. An error message is displayed if the file could not be saved.
 * Does nothing if {@code chart} is {@code null}.
 *
 * @param chart
 *            the <a href="http://javadoc.imagej.net/JFreeChart/" target=
 *            "_blank">JFreeChart </a> to export.
 * @param bounds
 *            the Rectangle delimiting the boundaries within which the chart
 *            should be drawn.
 * @see #exportChartAsPDF(JFreeChart, Rectangle)
 * @see #exportChartAsSVG(JFreeChart, Rectangle)
 * @see #exportChartAsSVG(JFreeChart, Rectangle, File)
 */
public static void exportChartAsPDF(final JFreeChart chart, final Rectangle bounds, final File f)
		throws FileNotFoundException, DocumentException {

	final int margin = 0; // page margins

	// Initialize writer
	final Document document = new Document(new com.itextpdf.text.Rectangle(bounds.width, bounds.height), margin,
			margin, margin, margin);
	final PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(f));

	document.open();
	final PdfContentByte cb = writer.getDirectContent();
	final PdfTemplate tp = cb.createTemplate(bounds.width, bounds.height);

	// Draw the chart. Release resources upon completion
	final Graphics2D g2 = tp.createGraphics(bounds.width, bounds.height, new DefaultFontMapper());
	chart.draw(g2, bounds);
	g2.dispose();

	// Write to file
	cb.addTemplate(tp, 0, 0);

	document.close();
}
 

/**
 * This method saves a chart as a PDF with given dimensions
 *
 * @param chart
 * @param width
 * @param height
 * @param fileName is a full path
 */
public static void writeChartToPDF(JFreeChart chart, int width, int height, File fileName)
    throws Exception {
  PdfWriter writer = null;

  Document document = new Document(new Rectangle(width, height));

  try {
    writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
    document.open();
    PdfContentByte contentByte = writer.getDirectContent();
    PdfTemplate template = contentByte.createTemplate(width, height);
    Graphics2D graphics2d = template.createGraphics(width, height, new DefaultFontMapper());
    Rectangle2D rectangle2d = new Rectangle2D.Double(0, 0, width, height);

    chart.draw(graphics2d, rectangle2d);

    graphics2d.dispose();
    contentByte.addTemplate(template, 0, 0);

  } catch (Exception e) {
    e.printStackTrace();
    throw e;
  } finally {
    document.close();
  }
}
 

@Test
public void testOwnAppearances() throws IOException, DocumentException
{
    try (   InputStream resourceStream = getClass().getResourceAsStream("/mkl/testarea/itext5/merge/testA4.pdf");
            OutputStream outputStream = new FileOutputStream(new File(RESULT_FOLDER, "testA4-annotate-app.pdf"))    )
    {
        PdfReader reader = new PdfReader(resourceStream);
        PdfStamper stamper = new PdfStamper(reader, outputStream);

        BaseColor baseColorRed = new BaseColor(255,0,0);
        BaseColor baseColorGreen = new BaseColor(0,255,0);
        Rectangle linkLocation = new Rectangle( 100, 700, 100 + 200, 700 + 25 );
        PdfName highlight = PdfAnnotation.HIGHLIGHT_INVERT;

        PdfAnnotation linkGreen = PdfAnnotation.createLink( stamper.getWriter(), linkLocation, highlight, "green" );
        PdfTemplate appearance = PdfTemplate.createTemplate(stamper.getWriter(), linkLocation.getWidth(), linkLocation.getHeight());
        appearance.setColorFill(baseColorGreen);
        appearance.rectangle(0, 0, linkLocation.getWidth(), linkLocation.getHeight());
        appearance.fill();
        double angleDegrees = 35;
        double angleRadians = Math.PI*angleDegrees/180;
        AffineTransform at = AffineTransform.getRotateInstance(angleRadians);
        appearance.setMatrix((float)at.getScaleX(), (float)at.getShearY(),(float) at.getShearX(), (float)at.getScaleY(),(float) at.getTranslateX(), (float)at.getTranslateY());
        linkGreen.setAppearance(PdfName.N, appearance);
        linkGreen.setColor(baseColorGreen);
        stamper.addAnnotation(linkGreen, 1);

        PdfAnnotation linkRed  = PdfAnnotation.createLink( stamper.getWriter(), linkLocation, highlight, "red" );
        linkRed.setColor(baseColorRed);
        stamper.addAnnotation(linkRed, 1);

        stamper.close();
    }
}
 

public static void writeChartToPDF(JFreeChart chart, int width, int height, String fileName)
{
    PdfWriter writer = null;
    Document document = new Document();

    try
    {
        writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
        document.open();
        PdfContentByte pdfContentByte = writer.getDirectContent();
        PdfTemplate pdfTemplateChartHolder = pdfContentByte.createTemplate(50, 50);
        Graphics2D graphics2d = new PdfGraphics2D(pdfTemplateChartHolder, 50, 50);
        Rectangle2D chartRegion = new Rectangle2D.Double(0, 0, 50, 50);
        chart.draw(graphics2d, chartRegion);
        graphics2d.dispose();

        Image chartImage = Image.getInstance(pdfTemplateChartHolder);
        document.add(chartImage);

        PdfPTable table = new PdfPTable(5);
        // the cell object
        // we add a cell with colspan 3

        PdfPCell cellX = new PdfPCell(new Phrase("A"));
        cellX.setBorder(com.itextpdf.text.Rectangle.NO_BORDER);
        cellX.setRowspan(6);
        table.addCell(cellX);

        PdfPCell cellA = new PdfPCell(new Phrase("A"));
        cellA.setBorder(com.itextpdf.text.Rectangle.NO_BORDER);
        cellA.setColspan(4);
        table.addCell(cellA);

        PdfPCell cellB = new PdfPCell(new Phrase("B"));
        table.addCell(cellB);
        PdfPCell cellC = new PdfPCell(new Phrase("C"));
        table.addCell(cellC);
        PdfPCell cellD = new PdfPCell(new Phrase("D"));
        table.addCell(cellD);
        PdfPCell cellE = new PdfPCell(new Phrase("E"));
        table.addCell(cellE);
        PdfPCell cellF = new PdfPCell(new Phrase("F"));
        table.addCell(cellF);
        PdfPCell cellG = new PdfPCell(new Phrase("G"));
        table.addCell(cellG);
        PdfPCell cellH = new PdfPCell(new Phrase("H"));
        table.addCell(cellH);
        PdfPCell cellI = new PdfPCell(new Phrase("I"));
        table.addCell(cellI);

        PdfPCell cellJ = new PdfPCell(new Phrase("J"));
        cellJ.setColspan(2);
        cellJ.setRowspan(3);
        //instead of
        //  cellJ.setImage(chartImage);
        //the OP now uses
        Chunk chunk = new Chunk(chartImage, 20, -50);
        cellJ.addElement(chunk);
        //presumably with different contents of the other cells at hand
        table.addCell(cellJ);

        PdfPCell cellK = new PdfPCell(new Phrase("K"));
        cellK.setColspan(2);
        table.addCell(cellK);
        PdfPCell cellL = new PdfPCell(new Phrase("L"));
        cellL.setColspan(2);
        table.addCell(cellL);
        PdfPCell cellM = new PdfPCell(new Phrase("M"));
        cellM.setColspan(2);
        table.addCell(cellM);

        document.add(table);

    }
    catch (Exception e)
    {
        e.printStackTrace();
    }
    document.close();
}
 

/**
 * This method saves a chart as a PDF with given dimensions
 * 
 * @param chart
 * @param width
 * @param height
 * @param fileName is a full path
 */
public static void writeChartToPDF(JFreeChart chart, int width, int height, File fileName)
    throws Exception {
  PdfWriter writer = null;

  Document document = new Document(new Rectangle(width, height));

  try {
    writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
    document.open();
    PdfContentByte contentByte = writer.getDirectContent();
    PdfTemplate template = contentByte.createTemplate(width, height);
    Graphics2D graphics2d = template.createGraphics(width, height, new DefaultFontMapper());
    Rectangle2D rectangle2d = new Rectangle2D.Double(0, 0, width, height);

    chart.draw(graphics2d, rectangle2d);

    graphics2d.dispose();
    contentByte.addTemplate(template, 0, 0);

  } catch (Exception e) {
    e.printStackTrace();
    throw e;
  } finally {
    document.close();
  }
}
 

/**
 * Writes swing to pdf
 * 
 * @param panel
 * @param fileName
 * @throws DocumentException
 * @throws Exception
 */
public static void writeToPDF(JComponent panel, File fileName)
    throws IOException, DocumentException {
  // print the panel to pdf
  int width = panel.getWidth();
  int height = panel.getHeight();
  logger.info(
      () -> MessageFormat.format("Exporting panel to PDF file (width x height; {0} x {1}): {2}",
          width, height, fileName.getAbsolutePath()));
  Document document = new Document(new Rectangle(width, height));
  PdfWriter writer = null;
  try {
    writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
    document.open();
    PdfContentByte contentByte = writer.getDirectContent();
    PdfTemplate template = contentByte.createTemplate(width, height);
    Graphics2D g2 = new PdfGraphics2D(contentByte, width, height, new DefaultFontMapper());
    panel.print(g2);
    g2.dispose();
    contentByte.addTemplate(template, 0, 0);
    document.close();
    writer.close();
  } finally {
    if (document.isOpen()) {
      document.close();
    }
  }
}
 

/**
 * This method saves a chart as a PDF with given dimensions
 * 
 * @param chart
 * @param width
 * @param height
 * @param fileName is a full path
 */
public static void writeChartToPDF(JFreeChart chart, int width, int height, File fileName)
    throws Exception {
  PdfWriter writer = null;

  Document document = new Document(new Rectangle(width, height));

  try {
    writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
    document.open();
    PdfContentByte contentByte = writer.getDirectContent();
    PdfTemplate template = contentByte.createTemplate(width, height);
    Graphics2D graphics2d = template.createGraphics(width, height, new DefaultFontMapper());
    Rectangle2D rectangle2d = new Rectangle2D.Double(0, 0, width, height);

    chart.draw(graphics2d, rectangle2d);

    graphics2d.dispose();
    contentByte.addTemplate(template, 0, 0);

  } catch (Exception e) {
    e.printStackTrace();
    throw e;
  } finally {
    document.close();
  }
}
 

/**
 * <a href="http://stackoverflow.com/questions/34734669/define-background-color-and-transparency-of-link-annotation-in-pdf">
 * Define background color and transparency of link annotation in PDF
 * </a>
 * <p>
 * This test creates a link annotation with custom appearance. Adobe Reader chooses
 * to ignore it but other viewers use it. Interestingly Adobe Acrobat export-as-image
 * does use the custom appearance...
 * </p>
 */
@Test
public void testCreateLinkWithAppearance() throws IOException, DocumentException
{
    Document doc = new Document();
    PdfWriter writer = PdfWriter.getInstance(doc, new FileOutputStream(new File(RESULT_FOLDER, "custom-link.appearance.pdf")));
    writer.setCompressionLevel(0);
    doc.open();

    BaseFont baseFont = BaseFont.createFont();
    int fontSize = 15;
    doc.add(new Paragraph("Hello", new Font(baseFont, fontSize)));
    
    PdfContentByte content = writer.getDirectContent();
    
    String text = "Test";
    content.setFontAndSize(baseFont, fontSize);
    content.beginText();
    content.moveText(100, 500);
    content.showText(text);
    content.endText();
    
    Rectangle linkLocation = new Rectangle(95, 495 + baseFont.getDescentPoint(text, fontSize),
            105 + baseFont.getWidthPoint(text, fontSize), 505 + baseFont.getAscentPoint(text, fontSize));

    PdfAnnotation linkGreen = PdfAnnotation.createLink(writer, linkLocation, PdfName.HIGHLIGHT, "green" );
    PdfTemplate appearance = PdfTemplate.createTemplate(writer, linkLocation.getWidth(), linkLocation.getHeight());
    PdfGState state = new PdfGState();
    //state.FillOpacity = .3f;
    // IMPROVEMENT: Use blend mode Darken instead of transparency; you may also want to try Multiply.
    state.setBlendMode(new PdfName("Darken"));
    appearance.setGState(state);

    appearance.setColorFill(BaseColor.GREEN);
    appearance.rectangle(0, 0, linkLocation.getWidth(), linkLocation.getHeight());
    appearance.fill();
    linkGreen.setAppearance(PdfName.N, appearance);
    writer.addAnnotation(linkGreen);

    doc.open();
    doc.close();
}
 

@Test
public void testComplex() throws FileNotFoundException, DocumentException
{
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(new File(RESULT_FOLDER, "transparencyComplex.pdf")));
    writer.setCompressionLevel(0);
    document.open();
    PdfContentByte content = writer.getDirectContent();

    content.setRGBColorStroke(0, 255, 0);
    for (int y = 0; y <= 400; y+= 10)
    {
        content.moveTo(0, y);
        content.lineTo(500, y);
    }
    for (int x = 0; x <= 500; x+= 10)
    {
        content.moveTo(x, 0);
        content.lineTo(x, 400);
    }
    content.stroke();

    PdfTemplate template = content.createTemplate(500, 400);
    PdfTransparencyGroup group = new PdfTransparencyGroup();
    group.put(PdfName.CS, PdfName.DEVICEGRAY);
    group.setIsolated(false);
    group.setKnockout(false);
    template.setGroup(group);
    PdfShading radial = PdfShading.simpleRadial(writer, 262, 186, 10, 262, 186, 190, BaseColor.WHITE, BaseColor.BLACK, true, true);
    template.paintShading(radial);

    PdfDictionary mask = new PdfDictionary();
    mask.put(PdfName.TYPE, PdfName.MASK);
    mask.put(PdfName.S, new PdfName("Luminosity"));
    mask.put(new PdfName("G"), template.getIndirectReference());

    content.saveState();
    PdfGState state = new PdfGState();
    state.put(PdfName.SMASK, mask);
    content.setGState(state);
    content.setRGBColorFill(255, 0, 0);
    content.moveTo(162, 86);
    content.lineTo(162, 286);
    content.lineTo(362, 286);
    content.lineTo(362, 86);
    content.closePath();
    //content.fillStroke();
    content.fill();
    
    content.restoreState();

    document.close();
}
 

/**
 * <a href="https://stackoverflow.com/questions/45062602/itext-pdfappearence-issue">
 * Text - PDFAppearence issue
 * </a>
 * <p>
 * This test shows how one can create a custom signature layer 2.
 * As the OP of the question at hand mainly wants to generate a
 * pure DESCRIPTION appearance that uses the whole area, we here
 * essentially copy the PdfSignatureAppearance.getAppearance code
 * for generating layer 2 in pure DESCRIPTION mode and apply it
 * to a plain pre-fetched layer 2.
 * </p>
 */
@Test
public void signWithCustomLayer2() throws IOException, DocumentException, GeneralSecurityException
{
    String digestAlgorithm = "SHA512";
    CryptoStandard subfilter = CryptoStandard.CMS;

    try (   InputStream resource = getClass().getResourceAsStream("/mkl/testarea/itext5/extract/test.pdf")  )
    {
        PdfReader reader = new PdfReader(resource);
        FileOutputStream os = new FileOutputStream(new File(RESULT_FOLDER, "test-customLayer2.pdf"));
        PdfStamper stamper = PdfStamper.createSignature(reader, os, '\0');

        PdfSignatureAppearance appearance = stamper.getSignatureAppearance();
        appearance.setReason("reason");
        appearance.setLocation("location");
        appearance.setVisibleSignature(new Rectangle(36, 748, 144, 780), 1, "sig");

        // This essentially is the PdfSignatureAppearance.getAppearance code
        // for generating layer 2 in pure DESCRIPTION mode applied to a plain
        // pre-fetched layer 2.
        // vvvvv
        PdfTemplate layer2 = appearance.getLayer(2);
        String text = "We're using iText to put a text inside a signature placeholder in a PDF. "
                + "We use a code snippet similar to this to define the Signature Appearence.\n"
                + "Everything works fine, but the signature text does not fill all the signature "
                + "placeholder area as expected by us, but the area filled seems to have an height "
                + "that is approximately the 70% of the available space.\n"
                + "As a result, sometimes especially if the length of the signature text is quite "
                + "big, the signature text does not fit in the placeholder and the text is striped "
                + "away.";
        Font font = new Font();
        float size = font.getSize();
        final float MARGIN = 2;
        Rectangle dataRect = new Rectangle(
                MARGIN,
                MARGIN,
                appearance.getRect().getWidth() - MARGIN,
                appearance.getRect().getHeight() - MARGIN);
        if (size <= 0) {
            Rectangle sr = new Rectangle(dataRect.getWidth(), dataRect.getHeight());
            size = ColumnText.fitText(font, text, sr, 12, appearance.getRunDirection());
        }
        ColumnText ct = new ColumnText(layer2);
        ct.setRunDirection(appearance.getRunDirection());
        ct.setSimpleColumn(new Phrase(text, font), dataRect.getLeft(), dataRect.getBottom(), dataRect.getRight(), dataRect.getTop(), size, Element.ALIGN_LEFT);
        ct.go();
        // ^^^^^

        ExternalSignature pks = new PrivateKeySignature(pk, digestAlgorithm, "BC");
        ExternalDigest digest = new BouncyCastleDigest();
        MakeSignature.signDetached(appearance, digest, pks, chain, null, null, null, 0, subfilter);
    }
}
 

@SuppressWarnings("deprecation")
public static void writeChartsToPDF(List<JFreeChart> charts, int width, int height, OutputStream outputStream, String hostname, Date date) {
	PdfWriter writer = null;

	Document document = new Document();

	
	try {
		
		writer = PdfWriter.getInstance(document, outputStream);
		writer.setPageEmpty(false);
		
		
		
		document.open();
		document.setPageSize(PageSize.A4);
		document.add(new Paragraph("Aggregates Report generated by " + hostname + " on " + date.toString()));
		document.newPage();
		writer.newPage();
		
		PdfContentByte contentByte = writer.getDirectContent();
		
		PdfTemplate template;
		Graphics2D graphics2d;
		
		
		int position = 0;
		Rectangle2D rectangle2d;
		
		
		for (JFreeChart chart : charts){
			LOG.debug("Writing chart to PDF");
			if (writer.getVerticalPosition(true)-height+(height*position) < 0){
				position = 0;
				document.newPage();
				writer.newPage();					
				
			}
			template = contentByte.createTemplate(width, height);
			graphics2d = template.createGraphics(width, height, new DefaultFontMapper());
			rectangle2d = new Rectangle2D.Double(0, 0, width, height);
			chart.draw(graphics2d, rectangle2d);
			graphics2d.dispose();

			
			contentByte.addTemplate(template, 38, writer.getVerticalPosition(true)-height+(height*position));
			position--;
			
			

		}

	} catch (Exception e) {
		e.printStackTrace();
	}
	document.close();
}