Example usage for com.lowagie.text.pdf PdfContentByte endText

List of usage examples for com.lowagie.text.pdf PdfContentByte endText

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfContentByte endText.

Prototype

public void endText() 

Source Link

Document

Ends the writing of text and makes the current font invalid.

Usage

From source file:com.aryjr.nheengatu.testes.AbsolutePosition.java

License:Open Source License

public static void main(final String[] args) {
    //      System.out.println("My First PdfPTable");
    final Document document = new Document();
    try {//from  w w  w  . j  ava2 s . c om
        final PdfWriter writer = PdfWriter.getInstance(document,
                new FileOutputStream("/home/aryjr/MyFirstTable.pdf"));
        document.open();
        // PdfPTable table = createTable();
        // document.add(table);
        // table.writeSelectedRows(0, -1, 50, 200,
        // writer.getDirectContent());
        final PdfContentByte cb = writer.getDirectContent();
        cb.concatCTM(1f, 0f, 0f, -1f, 0f, 0f);
        // Paragraph text = new Paragraph("Ary Junior",
        // FontFactory.getFont(Style.DEFAULT_FONT_FAMILY,
        // Style.DEFAULT_FONT_SIZE, Font.NORMAL, Style.DEFAULT_FONT_COLOR));
        final BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
        cb.beginText();
        cb.setFontAndSize(bf, 12);
        cb.showText("Ary Junior");
        cb.endText();
        Runtime.getRuntime().exec("acroread /home/aryjr/MyFirstTable.pdf");
    } catch (final DocumentException de) {
        System.err.println(de.getMessage());
    } catch (final IOException ioe) {
        System.err.println(ioe.getMessage());
    }
    document.close();
}

From source file:com.estate.pdf.PageBorder.java

public void draw(Document doc, int iconNum, String pageNum, String toolName) {
    try {//from  w  w w .j  a  va 2  s  .c o  m
        PdfContentByte cb = writer.getDirectContentUnder();
        BaseFont fontBold = BaseFont.createFont(Locations.getFontLocation() + "timesbd.ttf", BaseFont.CP1252,
                BaseFont.EMBEDDED);
        BaseFont font = BaseFont.createFont(Locations.getFontLocation() + "times.ttf", BaseFont.CP1252,
                BaseFont.EMBEDDED);
        Rectangle rct = new Rectangle(doc.getPageSize());
        float iconBase = (1.25f * 72); // This is the base of the icons on
        // the page
        Image icon = Image.getInstance(Locations.getImageLocation() + icons[iconNum]);
        // Image box = Image.getInstance(Locations.ImageLocation() +
        // "blueBOX.png");
        icon.scalePercent(23);
        float scale = .23f;
        float iconLeft = (icon.getWidth() / 2) * scale;
        float boxSize = (.1875f * 72);

        // Adjust the top
        rct.setTop(rct.getTop() - (.5f * 72));

        // Place the Icon
        icon.setAbsolutePosition((1.25f * 72) - iconLeft, rct.getTop() - iconBase);
        doc.add(icon);

        // Set our line color
        cb.setRGBColorStroke(0, 72, 117);

        cb.setLineWidth(.75f);

        // do the bottom line
        cb.moveTo(1.25f * 72, (.5f * 72));
        cb.lineTo(rct.getRight() - (.5f * 72), (.5f * 72));

        cb.moveTo(1.25f * 72, (.5f * 72));
        cb.lineTo(1.25f * 72, rct.getTop());

        // stroke the lines
        cb.stroke();

        // Do the lower left box
        cb.rectangle((1.25f - 0.09375f) * 72, (.5f - 0.09375f) * 72, boxSize, boxSize);
        cb.setRGBColorFill(0, 72, 117);
        cb.closePathFillStroke();

        // Do the lower right box
        Rectangle pnRect = new Rectangle(0, 0);
        pnRect.setLeft(rct.getRight() - ((.5f + 0.09375f) * 72));
        pnRect.setTop((.5f - 0.09375f) * 72);
        pnRect.setRight(pnRect.getLeft() + boxSize);
        pnRect.setBottom(pnRect.getTop() - boxSize);

        // cb.rectangle(rct.getRight() - ((.5f + 0.09375f) * 72), (.5f -
        // 0.09375f) * 72, (.1875f * 72), (.1875f * 72));
        cb.rectangle(pnRect.getLeft(), pnRect.getTop(), boxSize, boxSize);
        cb.setRGBColorFill(0, 72, 117);
        cb.closePathFillStroke();

        // Now we do the page number if one is supplied.
        if (pageNum.length() > 0) {
            float pnHeight = fontBold.getAscentPoint(pageNum, 9) - fontBold.getDescentPoint(pageNum, 9);
            float pnWidth = fontBold.getWidthPoint(pageNum, 9);

            float l = pnRect.getLeft() + ((boxSize - pnWidth) / 2);
            float b = pnRect.getTop() + ((boxSize - pnHeight) / 2);

            cb.beginText();
            cb.setFontAndSize(fontBold, 9);
            cb.setRGBColorFill(255, 255, 255);
            cb.setTextMatrix(l, b);
            cb.showText(pageNum);
            cb.endText();

        }

        // Display the copyright
        SimpleDateFormat df = new SimpleDateFormat("yyyy");
        char cs = 0x00a9; // Unicode for the copyright symbol
        String copyRight = com.estate.constants.StringConstants.copyRight + cs + " " + df.format(new Date());
        float crWidth;
        float crLeft;

        crWidth = font.getWidthPoint(copyRight, 8);
        cb.beginText();

        cb.setFontAndSize(font, 8);
        cb.setRGBColorFill(0, 0, 0);

        crLeft = (doc.getPageSize().getRight() - crWidth) / 2;
        cb.setTextMatrix(crLeft, .375f * 72); // Place the base of the
        // copyright at 3/8" up from
        // the bottom
        cb.showText(copyRight);
        cb.endText();

        if (toolName.length() > 0) {
            cb.beginText();

            cb.setFontAndSize(font, 8);
            cb.setRGBColorFill(0, 0, 0);

            cb.setTextMatrix((1.25f * 72) + boxSize, .375f * 72);
            cb.showText(toolName);
            cb.endText();
        }

        // Fix a licensee at left
        cb.beginText();
        cb.setFontAndSize(font, 8);
        cb.setRGBColorFill(0, 0, 0);
        cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, " Licensee: " + getLicense(), (10.2f * 72), .375f * 72,
                0);
        cb.endText();
    } catch (Exception e) {
        System.out.println(e.getMessage());
    }
}

From source file:com.estate.pdf.PageBorder.java

public void drawNoBorder(Document doc, String pageNum) {
    try {//from w ww  .  j  a va 2 s .  c  o  m
        PdfContentByte cb = writer.getDirectContentUnder();
        BaseFont fontBold = BaseFont.createFont(Locations.getFontLocation() + "timesbd.ttf", BaseFont.CP1252,
                BaseFont.EMBEDDED);
        BaseFont font = BaseFont.createFont(Locations.getFontLocation() + "times.ttf", BaseFont.CP1252,
                BaseFont.EMBEDDED);
        Rectangle rct = new Rectangle(doc.getPageSize());
        float boxSize = (.1875f * 72);

        // Adjust the top
        rct.setTop(rct.getTop() - (.5f * 72));

        // Do the lower right box
        Rectangle pnRect = new Rectangle(0, 0);
        pnRect.setLeft(rct.getRight() - ((.5f + 0.09375f) * 72));
        pnRect.setTop(((.5f - 0.09375f) * 72) - 9);
        pnRect.setRight(pnRect.getLeft() + boxSize);
        pnRect.setBottom(pnRect.getTop() - boxSize);

        cb.rectangle(pnRect.getLeft(), pnRect.getTop(), boxSize, boxSize);
        cb.setRGBColorFill(0, 72, 117);
        cb.closePathFillStroke();

        // Now we do the page number if one is supplied.
        if (pageNum.length() > 0) {
            float pnHeight = fontBold.getAscentPoint(pageNum, 9) - fontBold.getDescentPoint(pageNum, 9) - 4.5f;
            float pnWidth = fontBold.getWidthPoint(pageNum, 9);

            float l = pnRect.getLeft() + ((boxSize - pnWidth) / 2);
            float b = pnRect.getTop() + ((boxSize - pnHeight) / 2) - 4.5f;

            cb.beginText();
            cb.setFontAndSize(fontBold, 9);
            cb.setRGBColorFill(255, 255, 255);
            cb.setTextMatrix(l, b);
            cb.showText(pageNum);
            cb.endText();
        }

        // Display the copyright
        SimpleDateFormat df = new SimpleDateFormat("yyyy");
        char cs = 0x00a9; // Unicode for the copyright symbol
        String copyRight = "Advanced Practice Network " + cs + " " + df.format(new Date());
        float crWidth;
        float crLeft;

        crWidth = font.getWidthPoint(copyRight, 8);
        cb.beginText();

        cb.setFontAndSize(font, 8);
        cb.setRGBColorFill(0, 0, 0);

        crLeft = (doc.getPageSize().getRight() - crWidth) / 2;
        cb.setTextMatrix(crLeft, .375f * 72); // Place the base of the
        // copyright at 3/8" up from
        // the bottom
        cb.showText(copyRight);
        cb.endText();

        if (license != null) {
            // Fix a licensee at left
            cb.beginText();
            cb.setFontAndSize(font, 8);
            cb.setRGBColorFill(0, 0, 0);
            cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, " Licensee: " + getLicense(), (10.2f * 72),
                    .375f * 72, 0);
            cb.endText();
        }

    } catch (Exception e) {
        System.out.println(e.getMessage());
    }
}

From source file:com.estate.report.Scenario.java

public void drawLifeExp() {
    PdfContentByte cb = writer.getDirectContent();
    char c = userInfo.getClientFirstName().charAt(0);
    char s = ' ';

    if (!userInfo.isSingle()) {
        s = userInfo.getSpouseFirstName().charAt(0);
    }//ww  w.  java2  s .c om
    String cText = Character.toString(c) + ":" + userInfo.getClientFirstName() + " actuarial life expectancy - "
            + Integer.toString(userInfo.getClientLifeExpectancy()) + " years";

    String sText = Character.toString(s) + ":" + userInfo.getSpouseFirstName() + " actuarial life expectancy - "
            + Integer.toString(userInfo.getSpouseLifeExpectancy()) + " years";

    try {
        BaseFont font = BaseFont.createFont(Locations.getFontLocation() + "times.ttf", BaseFont.CP1252,
                BaseFont.EMBEDDED);
        cb.beginText();
        cb.setFontAndSize(font, 8);
        cb.setRGBColorFill(255, 0, 0);
        cb.setTextMatrix(72 * .5f, .5f * 72);
        cb.showText(cText);
        cb.endText();
        if (!userInfo.isSingle()) {
            cb.beginText();
            cb.setFontAndSize(font, 8);
            cb.setRGBColorFill(255, 0, 0);
            cb.setTextMatrix(72 * .5f, .35f * 72);
            cb.showText(sText);
            cb.endText();
        }
    } catch (Exception e) {
        System.err.println("Error printing Life Expectancy");
    }
}

From source file:com.geek.tutorial.itext.acroform.RadioCheckBoxForm.java

License:Open Source License

public RadioCheckBoxForm() throws Exception {
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("RadioCheckBoxForm.pdf"));
    document.open();/*from w w w. j  a va 2  s.c o  m*/
    PdfContentByte cb = writer.getDirectContent();

    BaseFont bf = BaseFont.createFont(BaseFont.TIMES_ROMAN, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
    Rectangle rect;

    // Code 1 create radio button
    String[] radios = { "Radio1", "Radio2", "Radio3" };
    PdfFormField radioField = PdfFormField.createRadioButton(writer, true);
    radioField.setFieldName("radioField");
    radioField.setValueAsName(radios[0]);
    for (int i = 0; i < radios.length; i++) {
        rect = new Rectangle(40, 815 - i * 30, 60, 797 - i * 30);
        addRadioButton(writer, rect, radioField, radios[i], i == 0);
        cb.beginText();
        cb.setFontAndSize(bf, 12);
        cb.showTextAligned(Element.ALIGN_LEFT, radios[i], 70, 802 - i * 30, 0);
        cb.endText();
    }
    writer.addAnnotation(radioField);

    // Code 2 create checkbox button
    String[] options = { "Check1", "Check2", "Check3" };
    for (int i = 0; i < options.length; i++) {
        rect = new Rectangle(160, 815 - i * 30, 180, 797 - i * 30);
        addCheckbox(writer, rect, options[i]);
        cb.beginText();
        cb.setFontAndSize(bf, 12);
        cb.showTextAligned(Element.ALIGN_LEFT, options[i], 190, 802 - i * 30, 0);
        cb.endText();
    }

    // Code 3 add function and button for showing state 
    writer.addJavaScript(
            "function showState(){" + "app.alert('Radio:'+ this.getField('radioField').value +'\\n\\n'+"
                    + "'Check1:'+this.getField('Check1').value +'\\n'+"
                    + "'Check2:'+this.getField('Check2').value +'\\n'+"
                    + "'Check3:'+this.getField('Check3').value);" + "}");
    PushbuttonField push = new PushbuttonField(writer, new Rectangle(80, 710, 150, 730), "pushAction");
    push.setBackgroundColor(Color.LIGHT_GRAY);
    push.setBorderColor(Color.GRAY);
    push.setText("Show State");
    push.setBorderStyle(PdfBorderDictionary.STYLE_BEVELED);
    push.setTextColor(Color.BLACK);
    PdfFormField pushbutton = push.getField();
    pushbutton.setAction(PdfAction.javaScript("showState()", writer));
    writer.addAnnotation(pushbutton);

    document.close();
}

From source file:com.ikon.util.PDFUtils.java

License:Open Source License

public static void stampText(InputStream input, String text, int layer, float opacity, int size, Color color,
        int rotation, int align, String exprX, String exprY, OutputStream output)
        throws FileNotFoundException, DocumentException, EvalError, IOException {
    log.debug("stampText({}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {})",
            new Object[] { input, text, Integer.valueOf(layer), Float.valueOf(opacity), Integer.valueOf(size),
                    color, Integer.valueOf(rotation), Integer.valueOf(align), exprX, exprY, output });

    BaseFont bf = getBaseFont();/*from ww w . java  2s  .co m*/
    PdfReader reader = new PdfReader(input);
    PdfStamper stamper = new PdfStamper(reader, output);
    PdfGState gs = new PdfGState();
    gs.setFillOpacity(opacity);
    gs.setStrokeOpacity(opacity);
    int numPages = reader.getNumberOfPages();
    int count = 0;

    while (count++ < numPages) {
        int pageCenter = (int) reader.getPageSizeWithRotation(count).getWidth() / 2;
        int pageMiddle = (int) reader.getPageSizeWithRotation(count).getHeight() / 2;

        Interpreter i = new Interpreter();
        i.set("PAGE_WIDTH", (int) reader.getPageSizeWithRotation(count).getWidth());
        i.set("PAGE_HEIGHT", (int) reader.getPageSizeWithRotation(count).getHeight());
        i.set("PAGE_CENTER", pageCenter);
        i.set("PAGE_MIDDLE", pageMiddle);
        Integer evalX = (Integer) i.eval(exprX);
        Integer evalY = (Integer) i.eval(exprY);

        if (evalX == null)
            evalX = Integer.valueOf(pageCenter);
        if (evalY == null) {
            evalY = Integer.valueOf(pageMiddle);
        }
        log.debug("evalX: {}", evalX);
        log.debug("evalY: {}", evalY);

        PdfContentByte cb = null;

        if (layer == LAYER_UNDER_CONTENT)
            cb = stamper.getUnderContent(count);
        else if (layer == LAYER_OVER_CONTENT)
            cb = stamper.getOverContent(count);
        else {
            throw new IllegalArgumentException();
        }

        cb.saveState();
        cb.setColorFill(color);
        cb.setGState(gs);
        cb.beginText();
        cb.setFontAndSize(bf, size);
        cb.showTextAligned(align, text, evalX.intValue(), evalY.intValue(), rotation);
        cb.endText();
        cb.restoreState();
    }

    stamper.close();
    reader.close();
}

From source file:com.jk.framework.pdf.PDFMergeUtil.java

License:Apache License

/**
 * Concat PD fs./*from   w  w  w.  j ava 2s . c om*/
 *
 * @param pdfs
 *            the pdfs
 * @param outputStream
 *            the output stream
 * @param paginate
 *            the paginate
 * @throws PdfException
 *             the pdf exception
 */
// ////////////////////////////////////////////////////////////////
public static void concatPDFs(final List<InputStream> pdfs, final OutputStream outputStream,
        final boolean paginate) throws PdfException {
    final Document document = new Document();
    try {
        final List<PdfReader> readers = new ArrayList<PdfReader>();
        int totalPages = 0;
        final Iterator<InputStream> iteratorPDFs = pdfs.iterator();

        // Create Readers for the pdfs.
        while (iteratorPDFs.hasNext()) {
            final InputStream pdf = iteratorPDFs.next();
            final PdfReader pdfReader = new PdfReader(pdf);
            readers.add(pdfReader);
            totalPages += pdfReader.getNumberOfPages();
        }

        // Create a writer for the outputstream
        final PdfWriter writer = PdfWriter.getInstance(document, outputStream);

        document.open();

        // BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
        // BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
        final PdfContentByte cb = writer.getDirectContent(); // Holds the
        // PDF
        // data

        PdfImportedPage page;
        int currentPageNumber = 0;
        int pageOfCurrentReaderPDF = 0;
        final Iterator<PdfReader> iteratorPDFReader = readers.iterator();

        // Loop through the PDF files and add to the output.
        while (iteratorPDFReader.hasNext()) {
            final PdfReader pdfReader = iteratorPDFReader.next();

            // Create a new page in the target for each source page.
            while (pageOfCurrentReaderPDF < pdfReader.getNumberOfPages()) {
                document.newPage();
                pageOfCurrentReaderPDF++;
                currentPageNumber++;
                page = writer.getImportedPage(pdfReader, pageOfCurrentReaderPDF);
                cb.addTemplate(page, 0, 0);

                // Code for pagination.
                if (paginate) {
                    cb.beginText();
                    // cb.setFontAndSize(bf, 9);
                    cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
                            "" + currentPageNumber + " of " + totalPages, 520, 5, 0);
                    cb.endText();
                }
            }
            pageOfCurrentReaderPDF = 0;
        }

        outputStream.flush();
        document.close();
        outputStream.close();
    } catch (final Exception e) {
        throw new PdfException(e);
    } finally {
        if (document.isOpen()) {
            document.close();
        }
        try {
            if (outputStream != null) {
                outputStream.close();
            }
        } catch (final IOException ioe) {
            ioe.printStackTrace();
        }
    }
}

From source file:com.logiware.accounting.reports.ArDisputeReportCreator.java

@Override
public void onEndPage(PdfWriter writer, Document document) {
    PdfContentByte cb = writer.getDirectContent();
    cb.saveState();//from  ww  w. j  ava 2 s  .  co m
    String text = "Page " + writer.getPageNumber() + " of ";
    float textBase = document.bottom() - 20;
    float textSize = helvFont.getWidthPoint(text, 12);
    cb.beginText();
    cb.setFontAndSize(helvFont, 12);
    cb.setTextMatrix((document.right() / 2) - (textSize / 2), textBase);
    cb.showText(text);
    cb.endText();
    cb.addTemplate(pageTemplate, (document.right() / 2) + (textSize / 2), textBase);
    cb.restoreState();
}

From source file:com.moss.pdf.template.core.Renderer.java

License:Open Source License

public void render(InputStream in, List<? extends PropertyMapping> fields, OutputStream out) throws Exception {

    PdfReader reader = new PdfReader(in);

    Document document = new Document(reader.getPageSizeWithRotation(1));

    PdfWriter writer = PdfWriter.getInstance(document, out);

    document.open();/* w  ww .  j a v  a  2  s .  c o m*/

    for (int i = 1; i <= reader.getNumberOfPages(); i++) {

        PdfContentByte cb = writer.getDirectContent();

        PdfImportedPage customPage = writer.getImportedPage(reader, i);

        /*
         * add the page to our new document, turning this page to its 
         * original rotation
         */
        int pageRotation = reader.getPageRotation(i);

        if (pageRotation > 0) {

            System.out.println("page rotation found: " + pageRotation);

            double angle = -((2 * Math.PI) * pageRotation / 360);
            //         double angle = -(Math.PI / 2);

            cb.addTemplate(customPage, (float) Math.cos(angle), (float) Math.sin(angle),
                    (float) -Math.sin(angle), (float) Math.cos(angle), 0f, // x
                    document.top() + document.topMargin() // y
            );
        } else {
            cb.addTemplate(customPage, 0f, 0f);
        }

        Map<FontName, BaseFont> fonts = new HashMap<FontName, BaseFont>();

        for (PropertyMapping field : fields) {

            if (field.getPageNumber() != i) {
                continue;
            }

            /*
             * Only builtin fonts are supported at the moment
             */
            BaseFont font;
            int fontSize;
            int alignment;
            String text;
            float x, y;
            float rotation;

            {
                font = fonts.get(field.getFontName());

                if (font == null) {

                    FontName e = field.getFontName();
                    String name = null;

                    if (FontName.COURIER == e) {
                        name = BaseFont.COURIER;
                    } else if (FontName.COURIER_BOLD == e) {
                        name = BaseFont.COURIER_BOLD;
                    } else if (FontName.COURIER_BOLD_OBLIQUE == e) {
                        name = BaseFont.COURIER_BOLDOBLIQUE;
                    } else if (FontName.COURIER_OBLIQUE == e) {
                        name = BaseFont.COURIER_OBLIQUE;
                    } else if (FontName.HELVETICA == e) {
                        name = BaseFont.HELVETICA;
                    } else if (FontName.HELVETICA_BOLD == e) {
                        name = BaseFont.HELVETICA_BOLD;
                    } else if (FontName.HELVETICA_BOLD_OBLIQUE == e) {
                        name = BaseFont.HELVETICA_BOLDOBLIQUE;
                    } else if (FontName.HELVETICA_OBLIQUE == e) {
                        name = BaseFont.HELVETICA_OBLIQUE;
                    } else if (FontName.TIMES_BOLD == e) {
                        name = BaseFont.TIMES_BOLD;
                    } else if (FontName.TIMES_BOLD_ITALIC == e) {
                        name = BaseFont.TIMES_BOLDITALIC;
                    } else if (FontName.TIMES_ITALIC == e) {
                        name = BaseFont.TIMES_ITALIC;
                    } else if (FontName.TIMES_ROMAN == e) {
                        name = BaseFont.TIMES_ROMAN;
                    }

                    if (name == null) {
                        throw new RuntimeException("Unknown font type: " + e);
                    }

                    font = BaseFont.createFont(name, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
                    fonts.put(field.getFontName(), font);
                }

                fontSize = field.getFontSize();

                if (TextAlignment.LEFT == field.getAlignment()) {
                    alignment = PdfContentByte.ALIGN_LEFT;
                } else if (TextAlignment.CENTER == field.getAlignment()) {
                    alignment = PdfContentByte.ALIGN_CENTER;
                } else if (TextAlignment.RIGHT == field.getAlignment()) {
                    alignment = PdfContentByte.ALIGN_RIGHT;
                } else {
                    alignment = PdfContentByte.ALIGN_LEFT;
                }

                Object value = p.eval(field.getExpr());

                if (value == null) {
                    text = "";
                } else {
                    text = value.toString();
                }

                x = field.getX() * POINTS_IN_A_CM;
                y = field.getY() * POINTS_IN_A_CM;

                rotation = 0;
            }

            cb.beginText();

            cb.setFontAndSize(font, fontSize);

            cb.showTextAligned(alignment, text, x, y, rotation);

            cb.endText();
        }

        document.newPage();
    }

    reader.close();
    document.close();
}

From source file:com.orange.atk.atkUI.corecli.utils.PdfUtilities.java

License:Apache License

/**
 * Adds a text in the given pdf file./*from   ww w  .j av  a2s .  co m*/
 * @param pdfFileName
 * @param text
 * @param x
 * @param y
 * @param rotation
 * @param page
 * @throws Exception
 */
public void addText(String pdfFileName, String text, int x, int y, int rotation, int page) throws Exception {
    // see example on http://itextdocs.lowagie.com/examples/com/lowagie/examples/general/copystamp/AddWatermarkPageNumbers.java
    // 1. copy
    File tmpPDFFile = new File(tmpDir, "tmpPDF.pdf");
    copyFile(new File(pdfFileName), tmpPDFFile);
    // 2. add text
    // we create a reader for a certain document
    PdfReader reader = new PdfReader(tmpPDFFile.getAbsolutePath());
    // we create a stamper that will copy the document to a new file
    PdfStamper stamp = new PdfStamper(reader, new FileOutputStream(pdfFileName));
    // adding content to each page
    PdfContentByte over;
    BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED);
    over = stamp.getOverContent(page);
    over.beginText();
    over.setFontAndSize(bf, 32);
    over.setTextMatrix(30, 30);
    over.setColorFill(java.awt.Color.RED);
    over.showTextAligned(Element.ALIGN_LEFT, text, x, y, rotation);
    over.endText();
    // closing PdfStamper will generate the new PDF file
    stamp.close();
}