Example usage for com.itextpdf.text.pdf PdfContentByte setTextRenderingMode

List of usage examples for com.itextpdf.text.pdf PdfContentByte setTextRenderingMode

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  5. PdfContentByte
  6. setTextRenderingMode

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfContentByte setTextRenderingMode.

Prototype

public void setTextRenderingMode(final int rendering)

Source Link

Document

Sets the text rendering parameter.

Usage

From source file:com.automaster.autoview.server.servlet.TextStateOperators.java

/**
 * Creates a PDF document.//w w w  .  j  av  a 2 s.c o m
 * @param filename the path to the new PDF document
 * @throws DocumentException 
 * @throws IOException
 */
public void createPdf(String filename) throws IOException, DocumentException {
    // step 1
    Rectangle rect = new Rectangle(595, 842);
    Document document = new Document(rect, 30, 30, 30, 30);
    // step 2
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
    // step 3
    document.open();
    // step 4
    //PdfAcroForm canva = writer.getAcroForm();

    BaseFont bf = BaseFont.createFont();

    //canva.addMultiLineTextField("txtTeste", "texto de teste vamos ver se le quebra a linha", bf, 15, 300, 800, 100, 100);

    PdfContentByte canvas = writer.getDirectContent();
    String text = "AWAY again";
    String text1 = "TESTE Rua alameda luis de sousa santos, N 52, castanhal, CEP: 68742-783, ao lado do posto adriano";
    canvas.beginText();
    // line 1
    canvas.setFontAndSize(bf, 16);
    canvas.moveText(36, 800);
    canvas.moveTextWithLeading(0, -24);
    canvas.setTextRise(10);
    canvas.showText(text);
    // line 2
    canvas.setWordSpacing(20);
    canvas.newlineShowText(text);
    // line 3
    canvas.setCharacterSpacing(10);
    canvas.newlineShowText(text);
    canvas.setWordSpacing(0);
    canvas.setCharacterSpacing(0);
    // line 4
    canvas.setHorizontalScaling(50);
    canvas.newlineShowText(text);
    canvas.setHorizontalScaling(100);
    // line 5
    canvas.newlineShowText(text);
    canvas.setTextRise(15);
    canvas.setFontAndSize(bf, 12);
    canvas.setColorFill(BaseColor.RED);
    canvas.showText("2");
    canvas.setColorFill(GrayColor.GRAYBLACK);
    // line 6
    canvas.setLeading(56);
    canvas.setMiterLimit(5);
    canvas.newlineShowText(
            "Rua alameda luis de sousa santos, N 52, castanhal, CEP: 68742-783, ao lado do posto" + text);
    canvas.setLeading(24);
    canvas.newlineText();
    Paragraph paragraph = new Paragraph("teste");
    PdfWriter pdfWriter = canvas.getPdfWriter();
    PdfAcroForm pdfAcroForm = pdfWriter.getAcroForm();
    //pdfAcroForm.addMultiLineTextField("txtTeste", "Changing the adriano leading: Rua alameda luis de sousa santos, N 52, castanhal, CEP: 68742-783, ao lado do posto", bf, 12, 30, 650, 550, 750);
    //pdfAcroForm.addHiddenField("txtTeste", text); 
    PdfFormField pdfFormField = new PdfFormField(pdfWriter, 30, 650, 550, 750, null);
    pdfFormField.setFieldName("txtTeste");
    pdfFormField.setValueAsString(text1);
    //TextField textField = new TextField(canvas.getPdfWriter(), new Rectangle(30, 650, 550, 750), "txtTest");
    //textField.setText(text);
    pdfAcroForm.addFormField(pdfFormField);
    // line 7
    PdfTextArray array = new PdfTextArray("A");
    array.add(120);
    array.add("W");
    array.add(120);
    array.add("A");
    array.add(95);
    array.add("Y again");
    canvas.showText(array);
    canvas.endText();

    canvas.setColorFill(BaseColor.BLUE);
    canvas.beginText();
    canvas.setTextMatrix(360, 770);
    canvas.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
    canvas.setFontAndSize(bf, 24);
    canvas.showText(text);
    canvas.endText();

    canvas.beginText();
    canvas.setTextMatrix(360, 730);
    canvas.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_STROKE);
    canvas.setFontAndSize(bf, 24);
    canvas.showText(text);
    canvas.endText();

    canvas.beginText();
    canvas.setTextMatrix(360, 690);
    canvas.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE);
    canvas.setFontAndSize(bf, 24);
    canvas.showText(text);
    canvas.endText();

    canvas.beginText();
    canvas.setTextMatrix(360, 650);
    canvas.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_INVISIBLE);
    canvas.setFontAndSize(bf, 24);
    canvas.showText(text);
    canvas.endText();

    PdfTemplate template = canvas.createTemplate(200, 36);
    template.setLineWidth(2);
    for (int i = 0; i < 6; i++) {
        template.moveTo(0, i * 6);
        template.lineTo(200, i * 6);
    }
    template.stroke();

    canvas.saveState();
    canvas.beginText();
    canvas.setTextMatrix(360, 610);
    canvas.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL_CLIP);
    canvas.setFontAndSize(bf, 24);
    canvas.showText(text);
    canvas.endText();
    canvas.addTemplate(template, 360, 610);
    canvas.restoreState();

    canvas.saveState();
    canvas.beginText();
    canvas.setTextMatrix(360, 570);
    canvas.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_STROKE_CLIP);
    canvas.setFontAndSize(bf, 24);
    canvas.showText(text);
    canvas.endText();
    canvas.addTemplate(template, 360, 570);
    canvas.restoreState();

    canvas.saveState();
    canvas.beginText();
    canvas.setTextMatrix(360, 530);
    canvas.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE_CLIP);
    canvas.setFontAndSize(bf, 24);
    canvas.showText(text);
    canvas.endText();
    canvas.addTemplate(template, 360, 530);
    canvas.restoreState();

    canvas.saveState();
    canvas.beginText();
    canvas.setTextMatrix(360, 490);
    canvas.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_CLIP);
    canvas.setFontAndSize(bf, 24);
    canvas.showText(text);
    canvas.endText();
    canvas.addTemplate(template, 360, 490);
    canvas.restoreState();

    // step 5
    //document.add((Element) pdfAcroForm);
    document.close();
}

From source file:com.ephesoft.dcma.imagemagick.MultiPageExecutor.java

License:Open Source License

/**
 * The <code>addImageToPdf</code> method is used to add image to pdf and make it searchable by adding image text in invisible mode
 * w.r.t parameter 'isPdfSearchable' passed.
 * //w  ww . j  av  a  2  s . co m
 * @param pdfWriter {@link PdfWriter} writer of pdf in which image has to be added
 * @param htmlUrl {@link HocrPage} corresponding html file for fetching text and coordinates
 * @param imageUrl {@link String} url of image to be added in pdf
 * @param isPdfSearchable true for searchable pdf else otherwise
 * @param widthOfLine
 */
private void addImageToPdf(PdfWriter pdfWriter, HocrPage hocrPage, String imageUrl, boolean isPdfSearchable,
        final int widthOfLine) {
    if (null != pdfWriter && null != imageUrl && imageUrl.length() > 0) {
        try {
            LOGGER.info("Adding image" + imageUrl + " to pdf using iText");
            Image pageImage = Image.getInstance(imageUrl);
            float dotsPerPointX = pageImage.getDpiX() / PDF_RESOLUTION;
            float dotsPerPointY = pageImage.getDpiY() / PDF_RESOLUTION;
            PdfContentByte pdfContentByte = pdfWriter.getDirectContent();

            pageImage.scaleToFit(pageImage.getWidth() / dotsPerPointX, pageImage.getHeight() / dotsPerPointY);

            pageImage.setAbsolutePosition(0, 0);

            // Add image to pdf
            pdfWriter.getDirectContentUnder().addImage(pageImage);
            pdfWriter.getDirectContentUnder().add(pdfContentByte);

            // If pdf is to be made searchable
            if (isPdfSearchable) {
                LOGGER.info("Adding invisible text for image: " + imageUrl);
                float pageImagePixelHeight = pageImage.getHeight();
                Font defaultFont = FontFactory.getFont(FontFactory.HELVETICA, 8, Font.BOLD, CMYKColor.BLACK);

                // Fetch text and coordinates for image to be added
                Map<String, int[]> textCoordinatesMap = getTextWithCoordinatesMap(hocrPage, widthOfLine);
                Set<String> ketSet = textCoordinatesMap.keySet();

                // Add text at specific location
                for (String key : ketSet) {
                    int[] coordinates = textCoordinatesMap.get(key);
                    float bboxWidthPt = (coordinates[2] - coordinates[0]) / dotsPerPointX;
                    float bboxHeightPt = (coordinates[3] - coordinates[1]) / dotsPerPointY;
                    pdfContentByte.beginText();

                    // To make text added as invisible
                    pdfContentByte.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_INVISIBLE);
                    pdfContentByte.setLineWidth(Math.round(bboxWidthPt));

                    // Ceil is used so that minimum font of any text is 1
                    // For exception of unbalanced beginText() and endText()
                    if (bboxHeightPt > 0.0) {
                        pdfContentByte.setFontAndSize(defaultFont.getBaseFont(),
                                (float) Math.ceil(bboxHeightPt));
                    } else {
                        pdfContentByte.setFontAndSize(defaultFont.getBaseFont(), 1);
                    }
                    float xCoordinate = (float) (coordinates[0] / dotsPerPointX);
                    float yCoordinate = (float) ((pageImagePixelHeight - coordinates[3]) / dotsPerPointY);
                    pdfContentByte.moveText(xCoordinate, yCoordinate);
                    pdfContentByte.showText(key);
                    pdfContentByte.endText();
                }
            }
            pdfContentByte.closePath();
        } catch (BadElementException badElementException) {
            LOGGER.error("Error occurred while adding image" + imageUrl + " to pdf using Itext: "
                    + badElementException.toString());
        } catch (DocumentException documentException) {
            LOGGER.error("Error occurred while adding image" + imageUrl + " to pdf using Itext: "
                    + documentException.toString());
        } catch (MalformedURLException malformedURLException) {
            LOGGER.error("Error occurred while adding image" + imageUrl + " to pdf using Itext: "
                    + malformedURLException.toString());
        } catch (IOException ioException) {
            LOGGER.error("Error occurred while adding image" + imageUrl + " to pdf using Itext: "
                    + ioException.toString());
        }
    }
}

From source file:com.github.ossdevs.jhocr.converter.HocrPageProcessor.java

License:Open Source License

/**
 * TODO add documentation describing what this method does actually do.
 *
 * @param cb       TODO describe this parameter &/ it's purpose.
 * @param hocrLine is used to process the {@link com.itextpdf.text.pdf.PdfContentByte}
 * @throws IOException//from w w w.j  a  va  2 s. c om
 * @throws DocumentException
 * @see https://code.google.com/p/jhocr/issues/detail?id=4
 */
private void processHocrLine(PdfContentByte cb, HocrLine hocrLine) {

    try {
        String lineText = hocrLine.getText();

        /**
         * TODO add documentation
         */
        if (!lineText.isEmpty()) {

            float lineHeightPt = hocrLine.getBbox().getHeight() / getDotsPerPointY();

            float fontSize = Math.round(lineHeightPt) - 0.8f; // Coloquei para o limite de erro

            if (fontSize == 0) {
                fontSize = 0.5f;
            }

            cb.setFontAndSize(baseFont, fontSize);
            cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_INVISIBLE);
            cb.beginText();

            int t = hocrLine.getWords().size();

            /**
             * TODO add documentation
             *
             * @see <a>https://code.google.com/p/jhocr/issues/detail?id=4</a>
             */
            for (int i = 0; i < t; i++) {

                HocrWord hocrWord = hocrLine.getWords().get(i);

                float wordWidthPt = hocrWord.getBbox().getWidth() / getDotsPerPointX();

                processHocrWordCharacterSpacing(cb, hocrWord, wordWidthPt);

                float y = (getHocrPage().getBbox().getHeight() + lineHeightPt / 2
                        - hocrLine.getBbox().getBottom()) / dotsPerPointY;
                float x = hocrWord.getBbox().getLeft() / getDotsPerPointX();

                cb.showTextAligned(PdfContentByte.ALIGN_LEFT, hocrWord.getText(), x, y, 0);
            }

            cb.endText();

        }

    } catch (Exception e) {
        // TODO log error
        e.printStackTrace();
    }
}

From source file:com.googlecode.jhocr.converter.HocrPageProcessor.java

License:Open Source License

/**
 * TODO add documentation describing what this method does actually do.
 * /*  ww w. j av a2  s  .  c  o  m*/
 * @see https://code.google.com/p/jhocr/issues/detail?id=4
 * @param cb
 *            TODO describe this parameter &/ it's purpose.
 * @param hocrLine
 *            is used to process the {@link com.itextpdf.text.pdf.PdfContentByte}
 * @throws IOException
 * @throws DocumentException
 */
private void processHocrLine(PdfContentByte cb, HocrLine hocrLine) {

    try {
        String lineText = hocrLine.getText();

        /**
         * TODO add documentation
         */
        if (!lineText.isEmpty()) {

            float lineHeightPt = hocrLine.getBbox().getHeight() / getDotsPerPointY();

            float fontSize = Math.round(lineHeightPt) - 0.8f; // Coloquei para o limite de erro

            if (fontSize == 0) {
                fontSize = 0.5f;
            }

            cb.setFontAndSize(baseFont, fontSize);
            cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_INVISIBLE);
            cb.beginText();

            int t = hocrLine.getWords().size();

            /**
             * TODO add documentation
             * 
             * @see <a>https://code.google.com/p/jhocr/issues/detail?id=4</a>
             */
            for (int i = 0; i < t; i++) {

                HocrWord hocrWord = hocrLine.getWords().get(i);

                float wordWidthPt = hocrWord.getBbox().getWidth() / getDotsPerPointX();

                processHocrWordCharacterSpacing(cb, hocrWord, wordWidthPt);

                float y = (getHocrPage().getBbox().getHeight() + lineHeightPt / 2
                        - hocrLine.getBbox().getBottom()) / dotsPerPointY;
                float x = hocrWord.getBbox().getLeft() / getDotsPerPointX();

                cb.showTextAligned(PdfContentByte.ALIGN_LEFT, hocrWord.getText(), x, y, 0);
            }

            cb.endText();

        }

    } catch (Exception e) {
        // TODO log error
        e.printStackTrace();
    }
}

From source file:org.gephi.preview.plugin.renderers.EdgeLabelRenderer.java

License:Open Source License

public void renderPDF(PDFTarget target, String label, float x, float y, Color color, float outlineSize,
        Color outlineColor) {/* ww  w  . j  a v a  2  s  .  com*/
    PdfContentByte cb = target.getContentByte();
    cb.setRGBColorFill(color.getRed(), color.getGreen(), color.getBlue());
    BaseFont bf = target.getBaseFont(font);
    float textHeight = getTextHeight(bf, font.getSize(), label);
    if (outlineSize > 0) {
        cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_STROKE);
        cb.setRGBColorStroke(outlineColor.getRed(), outlineColor.getGreen(), outlineColor.getBlue());
        cb.setLineWidth(outlineSize);
        cb.setLineJoin(PdfContentByte.LINE_JOIN_ROUND);
        cb.setLineCap(PdfContentByte.LINE_CAP_ROUND);
        if (outlineColor.getAlpha() < 255) {
            cb.saveState();
            float alpha = outlineColor.getAlpha() / 255f;
            PdfGState gState = new PdfGState();
            gState.setStrokeOpacity(alpha);
            cb.setGState(gState);
        }
        cb.beginText();
        cb.setFontAndSize(bf, font.getSize());
        cb.showTextAligned(PdfContentByte.ALIGN_CENTER, label, x, -y - (textHeight / 2f), 0f);
        cb.endText();
        if (outlineColor.getAlpha() < 255) {
            cb.restoreState();
        }
    }
    cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
    cb.beginText();
    cb.setFontAndSize(bf, font.getSize());
    cb.showTextAligned(PdfContentByte.ALIGN_CENTER, label, x, -y - (textHeight / 2f), 0f);
    cb.endText();
}

From source file:org.gephi.preview.plugin.renderers.NodeLabelRenderer.java

License:Open Source License

public void renderPDF(PDFTarget target, Node node, String label, float x, float y, int fontSize, Color color,
        float outlineSize, Color outlineColor, boolean showBox, Color boxColor) {
    Font font = fontCache.get(fontSize);
    PdfContentByte cb = target.getContentByte();
    BaseFont bf = target.getBaseFont(font);

    //Box/*from  w w w .  ja  v  a2 s. co  m*/
    if (showBox) {
        cb.setRGBColorFill(boxColor.getRed(), boxColor.getGreen(), boxColor.getBlue());
        if (boxColor.getAlpha() < 255) {
            cb.saveState();
            float alpha = boxColor.getAlpha() / 255f;
            PdfGState gState = new PdfGState();
            gState.setFillOpacity(alpha);
            cb.setGState(gState);
        }
        float textWidth = getTextWidth(bf, fontSize, label);
        float textHeight = getTextHeight(bf, fontSize, label);

        //A height of just textHeight seems to be half the text height sometimes
        //BaseFont getAscentPoint and getDescentPoint may be not very precise
        cb.rectangle(x - textWidth / 2f - outlineSize / 2f, -y - outlineSize / 2f - textHeight,
                textWidth + outlineSize, textHeight * 2f + outlineSize);

        cb.fill();
        if (boxColor.getAlpha() < 255) {
            cb.restoreState();
        }
    }

    cb.setRGBColorFill(color.getRed(), color.getGreen(), color.getBlue());
    float textHeight = getTextHeight(bf, fontSize, label);
    if (outlineSize > 0) {
        cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_STROKE);
        cb.setRGBColorStroke(outlineColor.getRed(), outlineColor.getGreen(), outlineColor.getBlue());
        cb.setLineWidth(outlineSize);
        cb.setLineJoin(PdfContentByte.LINE_JOIN_ROUND);
        cb.setLineCap(PdfContentByte.LINE_CAP_ROUND);
        if (outlineColor.getAlpha() < 255) {
            cb.saveState();
            float alpha = outlineColor.getAlpha() / 255f;
            PdfGState gState = new PdfGState();
            gState.setStrokeOpacity(alpha);
            cb.setGState(gState);
        }
        cb.beginText();
        cb.setFontAndSize(bf, font.getSize());
        cb.showTextAligned(PdfContentByte.ALIGN_CENTER, label, x, -y - (textHeight / 2f), 0f);
        cb.endText();
        if (outlineColor.getAlpha() < 255) {
            cb.restoreState();
        }
    }
    cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
    cb.beginText();
    cb.setFontAndSize(bf, font.getSize());
    cb.showTextAligned(PdfContentByte.ALIGN_CENTER, label, x, -y - (textHeight / 2f), 0f);
    cb.endText();
}

From source file:pl.marcinmilkowski.hocrtopdf.Main.java

License:Open Source License

/**
 * @param args/*from   w w w. j a va2  s . c o m*/
 */
public static void main(String[] args) {
    try {
        if (args.length < 1 || args[0] == "--help" || args[0] == "-h") {
            System.out.print("Usage: java pl.marcinmilkowski.hocrtopdf.Main INPUTURL.html OUTPUTURL.pdf\n"
                    + "\n" + "Converts hOCR files into PDF\n" + "\n"
                    + "Example: java pl.marcinmilkowski.hocrtopdf.Main hocr.html output.pdf\n");
            if (args.length < 1)
                System.exit(-1);
            else
                System.exit(0);
        }
        URL inputHOCRFile = null;
        FileOutputStream outputPDFStream = null;
        try {
            File file = new File(args[0]);
            inputHOCRFile = file.toURI().toURL();
        } catch (MalformedURLException e) {
            System.out.println("The first parameter has to be a valid file.");
            System.out.println("We got an error: " + e.getMessage());
            System.exit(-1);
        }
        try {
            outputPDFStream = new FileOutputStream(args[1]);
        } catch (FileNotFoundException e) {
            System.out.println("The second parameter has to be a valid URL");
            System.exit(-1);
        }

        // The resolution of a PDF file (using iText) is 72pt per inch
        float pointsPerInch = 72.0f;

        // Using the jericho library to parse the HTML file
        Source source = new Source(inputHOCRFile);

        int pageCounter = 1;

        Document pdfDocument = null;
        PdfWriter pdfWriter = null;
        PdfContentByte cb = null;
        RandomAccessFileOrArray ra = null;

        // Find the tag of class ocr_page in order to load the scanned image
        StartTag pageTag = source.getNextStartTag(0, "class", OCRPAGE);
        while (pageTag != null) {
            int prevPos = pageTag.getEnd();
            Pattern imagePattern = Pattern.compile("image\\s+([^;]+)");
            Matcher imageMatcher = imagePattern.matcher(pageTag.getElement().getAttributeValue("title"));
            if (!imageMatcher.find()) {
                System.out.println("Could not find a tag of class \"ocr_page\", aborting.");
                System.exit(-1);
            }
            // Load the image
            Image pageImage = null;
            try {
                File file = new File(imageMatcher.group(1));
                pageImage = Image.getInstance(file.toURI().toURL());
            } catch (MalformedURLException e) {
                System.out.println("Could not load the scanned image from: " + "file://" + imageMatcher.group(1)
                        + ", aborting.");
                System.exit(-1);
            }
            if (pageImage.getOriginalType() == Image.ORIGINAL_TIFF) { // this might
                                                                      // be
                                                                      // multipage
                                                                      // tiff!
                File file = new File(imageMatcher.group(1));
                if (pageCounter == 1 || ra == null) {
                    ra = new RandomAccessFileOrArray(file.toURI().toURL());
                }
                int nPages = TiffImage.getNumberOfPages(ra);
                if (nPages > 0 && pageCounter <= nPages) {
                    pageImage = TiffImage.getTiffImage(ra, pageCounter);
                }
            }
            int dpiX = pageImage.getDpiX();
            if (dpiX == 0) { // for images that don't set the resolution we assume
                             // 300 dpi
                dpiX = 300;
            }
            int dpiY = pageImage.getDpiY();
            if (dpiY == 0) { // as above for dpiX
                dpiY = 300;
            }
            float dotsPerPointX = dpiX / pointsPerInch;
            float dotsPerPointY = dpiY / pointsPerInch;
            float pageImagePixelHeight = pageImage.getHeight();
            if (pdfDocument == null) {
                pdfDocument = new Document(new Rectangle(pageImage.getWidth() / dotsPerPointX,
                        pageImage.getHeight() / dotsPerPointY));
                pdfWriter = PdfWriter.getInstance(pdfDocument, outputPDFStream);
                pdfDocument.open();
                // Put the text behind the picture (reverse for debugging)
                // cb = pdfWriter.getDirectContentUnder();
                cb = pdfWriter.getDirectContent();
            } else {
                pdfDocument.setPageSize(new Rectangle(pageImage.getWidth() / dotsPerPointX,
                        pageImage.getHeight() / dotsPerPointY));
                pdfDocument.newPage();
            }
            // first define a standard font for our text
            BaseFont base = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1250, BaseFont.EMBEDDED);
            Font defaultFont = new Font(base, 8);
            // FontFactory.getFont(FontFactory.HELVETICA, 8, Font.BOLD,
            // CMYKColor.BLACK);

            cb.setHorizontalScaling(1.0f);

            pageImage.scaleToFit(pageImage.getWidth() / dotsPerPointX, pageImage.getHeight() / dotsPerPointY);
            pageImage.setAbsolutePosition(0, 0);
            // Put the image in front of the text (reverse for debugging)
            // pdfWriter.getDirectContent().addImage(pageImage);
            pdfWriter.getDirectContentUnder().addImage(pageImage);

            // In order to place text behind the recognised text snippets we are
            // interested in the bbox property
            Pattern bboxPattern = Pattern.compile("bbox(\\s+\\d+){4}");
            // This pattern separates the coordinates of the bbox property
            Pattern bboxCoordinatePattern = Pattern.compile("(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)");
            // Only tags of the ocr_line class are interesting
            StartTag ocrTag = source.getNextStartTag(prevPos, "class", OCRPAGEORLINE);
            while (ocrTag != null) {
                prevPos = ocrTag.getEnd();
                if ("ocrx_word".equalsIgnoreCase(ocrTag.getAttributeValue("class"))) {
                    net.htmlparser.jericho.Element lineElement = ocrTag.getElement();
                    Matcher bboxMatcher = bboxPattern.matcher(lineElement.getAttributeValue("title"));
                    if (bboxMatcher.find()) {
                        // We found a tag of the ocr_line class containing a bbox property
                        Matcher bboxCoordinateMatcher = bboxCoordinatePattern.matcher(bboxMatcher.group());
                        bboxCoordinateMatcher.find();
                        int[] coordinates = { Integer.parseInt((bboxCoordinateMatcher.group(1))),
                                Integer.parseInt((bboxCoordinateMatcher.group(2))),
                                Integer.parseInt((bboxCoordinateMatcher.group(3))),
                                Integer.parseInt((bboxCoordinateMatcher.group(4))) };
                        String line = lineElement.getContent().getTextExtractor().toString();
                        float bboxWidthPt = (coordinates[2] - coordinates[0]) / dotsPerPointX;
                        float bboxHeightPt = (coordinates[3] - coordinates[1]) / dotsPerPointY;

                        // Put the text into the PDF
                        cb.beginText();
                        // Comment the next line to debug the PDF output (visible Text)
                        cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_INVISIBLE);
                        // height
                        cb.setFontAndSize(defaultFont.getBaseFont(), Math.max(Math.round(bboxHeightPt), 1));
                        // width
                        cb.setHorizontalScaling(bboxWidthPt / cb.getEffectiveStringWidth(line, false));
                        cb.moveText((coordinates[0] / dotsPerPointX),
                                ((pageImagePixelHeight - coordinates[3]) / dotsPerPointY));
                        cb.showText(line);
                        cb.endText();
                        cb.setHorizontalScaling(1.0f);
                    }
                } else {
                    if ("ocr_page".equalsIgnoreCase(ocrTag.getAttributeValue("class"))) {
                        pageCounter++;
                        pageTag = ocrTag;
                        break;
                    }
                }
                ocrTag = source.getNextStartTag(prevPos, "class", OCRPAGEORLINE);
            }
            if (ocrTag == null) {
                pdfDocument.close();
                break;
            }
        }
    } catch (DocumentException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}