Example usage for com.lowagie.text.pdf PdfPageLabels EMPTY

List of usage examples for com.lowagie.text.pdf PdfPageLabels EMPTY

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Prototype

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Usage

From source file:de.unigoettingen.sub.commons.contentlib.pdflib.PDFManager.java

License:Apache License

/******************************************************************************************************
 * Adds the all pages./*w  ww  . j a  v a2s . c  o m*/
 * 
 * @param pagesizemode {@link PdfPageSize}
 * @param writer {@link PdfWriter}
 * @param pdfdoc {@link Document}
 * @return {@link PdfPageLabels}
 * 
 * 
 * @throws ImageInterpreterException the image interpreter exception
 * @throws IOException Signals that an I/O exception has occurred.
 * @throws MalformedURLException the malformed url exception
 * @throws PDFManagerException the PDF manager exception
 * @throws ImageManagerException
 *******************************************************************************************************/
private PdfPageLabels addAllPages(PdfPageSize pagesizemode, PdfWriter writer, Document pdfdoc,
        Watermark myWatermark) throws ImageInterpreterException, IOException, MalformedURLException,
        PDFManagerException, ImageManagerException {

    PdfPageLabels pagelabels = new PdfPageLabels();
    int pageadded = 0;

    // sort the HashMap by the KeySet (pagenumber)
    Map<Integer, UrlImage> sortedMap = new TreeMap<Integer, UrlImage>(imageURLs);

    float scalefactor = 1; // scaling factor of the image
    int page_w = PaperSize.A4.width;
    int page_h = PaperSize.A4.height;
    LOGGER.debug("iterate over " + imageURLs.size() + " pages.");
    for (Integer imageKey : sortedMap.keySet()) {

        Watermark watermark = myWatermark;
        Image pdfImage = null; // PDF-Image
        LOGGER.debug("Writing page " + imageKey);

        boolean errorPage = false; // true if the image does not exists
        URL errorUrl = null; // url of the image that does not exists

        // ------------------------------------------------------------------------------------------------
        // Title page available. Render it in pdftitlepage
        // ------------------------------------------------------------------------------------------------
        if ((pdftitlepages != null) && (pdftitlepages.get(imageKey) != null)) {
            // title page
            PDFTitlePage pdftitlepage = pdftitlepages.get(imageKey);
            // create new PDF page
            try {
                pdfdoc.setPageSize(PageSize.A4);
                pdfdoc.setMargins(pdftitlepage.getLeftMargin(), pdftitlepage.getRightMargin(),
                        pdftitlepage.getTopMargin(), pdftitlepage.getBottomMargin());
                pageadded++;
                pdfdoc.newPage(); // create new page
                // set page name
                pagelabels.addPageLabel(pageadded, PdfPageLabels.EMPTY, "-");
            } catch (Exception e1) {
                throw new PDFManagerException("PDFManagerException occured while creating new page in PDF", e1);
            }
            // render title page
            pdftitlepage.render(pdfdoc);
        }

        // ------------------------------------------------------------------------------------------------
        // Process image with imageKey
        // ------------------------------------------------------------------------------------------------
        UrlImage pdfpage = imageURLs.get(imageKey);
        if (pdfpage.getURL() != null) {
            boolean added = false;
            boolean scaled = false;
            URL url = pdfpage.getURL();
            // pdf hack
            if (ContentServerConfiguration.getInstance().getUsePdf()) {
                LOGGER.debug("trying to find original pdf");
                PdfContentByte pdfcb = null;
                PdfReader pdfreader = null;
                PdfImportedPage importpage = null;
                try {
                    String pdfpath = ContentServerConfiguration.getInstance().getRepositoryPathPdf()
                            .replace("file:///", "");
                    LOGGER.debug("looking in " + pdfpath + " for pdf file");
                    String tiffPath = ContentServerConfiguration.getInstance().getRepositoryPathImages()
                            .replace("file:///", "");
                    // String urlString = url.toString();
                    int pageNumber = pdfpage.getPageNumber();
                    // UrlImage copy = new PDFPage(pdfpage);
                    URL pdfurl = new URL(url.toString().replace(tiffPath, pdfpath)
                            .replace(url.toString().substring(url.toString().lastIndexOf(".")), ".pdf"));
                    LOGGER.debug("pdfurl = " + pdfurl);

                    if (new File(pdfurl.toURI()).exists()) {
                        LOGGER.debug("found pdf " + pdfurl.toURI());
                        // copy.setURL(pdfurl);
                        pdfcb = writer.getDirectContent();
                        pdfreader = new PdfReader(pdfurl);
                        importpage = writer.getImportedPage(pdfreader, pageNumber);

                        LOGGER.debug("creating orig pdf page");
                        Rectangle rect = pdfreader.getPageSize(pageNumber);
                        try {
                            pdfdoc.setPageSize(rect);
                            pdfdoc.newPage(); // create new page
                        } catch (Exception e1) {
                            throw new PDFManagerException("Exception occured while creating new page in PDF",
                                    e1);
                        }
                        pageadded++;
                        pdfcb.addTemplate(importpage, 0, 0);
                        added = true;
                        LOGGER.debug("page:" + imageKey + "  url: " + pdfurl.toString());

                    }
                } catch (URISyntaxException e) {
                    LOGGER.debug(e);
                    added = false;
                } finally {
                    if (writer != null) {
                        writer.freeReader(pdfreader);
                        writer.flush();
                    }
                    if (pdfreader != null) {
                        pdfreader.close();
                    }
                }
            }
            if (!added) {
                // image file
                LOGGER.debug("using image to create pdf page");
                // try to get ImageInterpreter from url
                ImageInterpreter myInterpreter = ImageFileFormat.getInterpreter(url, httpproxyhost,
                        httpproxyport, httpproxyuser, httpproxypassword);

                try {
                    // check preferred compression type depending on color depth
                    Embedd preferredEmbeddingType = Embedd.ORIGBYTESTREAM;
                    if (myInterpreter.getColordepth() == 1) {
                        // bitonal image
                        preferredEmbeddingType = embeddBitonalImage;
                    } else if ((myInterpreter.getColordepth() > 1)
                            && (myInterpreter.getSamplesperpixel() == 1)) {
                        // greyscale image
                        preferredEmbeddingType = embeddGreyscaleImage;
                    } else {
                        // color image
                        preferredEmbeddingType = embeddColorImage;
                    }

                    // -------------------------------------------------------------------------------------
                    // Try to generate image
                    // -------------------------------------------------------------------------------------
                    pdfImage = generatePdfImageFromInterpreter(myInterpreter, preferredEmbeddingType, errorPage,
                            watermark, errorUrl);

                    // -------------------------------------------------------------------------------------
                    // image couldn't be embedded yet (emergencyCase)
                    // -------------------------------------------------------------------------------------
                    if (pdfImage == null) {
                        LOGGER.warn(
                                "Couldn't use preferred method for embedding the image. Instead had to use JPEG or RenderedImage");

                        // Get Interpreter and rendered Image
                        // ---------------------------------------------------------------------------------------------------------------------------------
                        RenderedImage ri = null;
                        if (preferredEmbeddingType == embeddBitonalImage) {
                            ImageManager sourcemanager = new ImageManager(url);
                            boolean watermarkscale = ContentServerConfiguration.getInstance()
                                    .getScaleWatermark(); // should we scale
                            // the watermark ?
                            ri = sourcemanager.scaleImageByPixel(3000, 0, ImageManager.SCALE_BY_WIDTH, 0, null,
                                    null, watermark, watermarkscale, ImageManager.BOTTOM);
                            myInterpreter = sourcemanager.getMyInterpreter();
                        } else {
                            ri = myInterpreter.getRenderedImage();
                            if (watermark != null) {
                                ri = addwatermark(ri, watermark, 2);
                                myInterpreter.setHeight(
                                        myInterpreter.getHeight() + watermark.getRenderedImage().getHeight());
                            }
                        }

                        // scale rendered image
                        // ---------------------------------------------------------------------------------------------------------------------------------
                        // float scalefactorX = 1;
                        // float scalefactorY = 1;
                        // switch (pagesizemode) {
                        // case ORIGINAL:
                        // scalefactorX = 72f / myInterpreter.getXResolution();
                        // scalefactorY = 72f / myInterpreter.getYResolution();
                        // break;
                        // default:
                        // /*
                        // * check, if the image needs to be scaled, because
                        // * it's bigger than A4 calculate the new scalefactor
                        // */
                        // float page_w_pixel = (float) (page_w *
                        // myInterpreter.getXResolution() / 25.4);
                        // float page_h_pixel = (float) (page_h *
                        // myInterpreter.getYResolution() / 25.4);
                        //
                        // float res_x = myInterpreter.getXResolution();
                        // float res_y = myInterpreter.getYResolution();
                        //
                        // long w = myInterpreter.getWidth(); // get height and
                        // // width
                        // long h = myInterpreter.getHeight();
                        //
                        // if ((w > page_w_pixel) || (h > page_h_pixel)) {
                        // LOGGER.debug("scale image to fit the page");
                        // float scalefactor_w = page_w_pixel / w;
                        // float scalefactor_h = page_h_pixel / h;
                        // if (scalefactor_h < scalefactor_w) {
                        // scalefactor = scalefactor_h;
                        // } else {
                        // scalefactor = scalefactor_w;
                        // }
                        // w = (long) (w * scalefactor);
                        // h = (long) (h * scalefactor);
                        // }
                        // scalefactorX = (72f / res_x) * scalefactor;
                        // scalefactorY = (72f / res_y) * scalefactor;
                        // break;
                        // }
                        // //scalefactorX = 0.2f;
                        // //scalefactorY = 0.2f;
                        // if (preferredEmbeddingType == embeddBitonalImage) {
                        // ImageManager sourcemanager = new ImageManager(url);
                        // ri = sourcemanager.scaleImageByPixel((int)
                        // (scalefactorX*100), (int) (scalefactorY*100),
                        // ImageManager.SCALE_BY_PERCENT, 0, null, null,
                        // watermark, true, ImageManager.BOTTOM);
                        // }else{
                        // ri = ImageManipulator.scaleInterpolationBilinear(ri,
                        // scalefactorX, scalefactorY);
                        // }
                        // myInterpreter.setHeight(ri.getHeight());
                        // myInterpreter.setWidth(ri.getWidth());
                        // scaled = true;

                        // add Watermark
                        // ---------------------------------------------------------------------------------------------------------------------------------
                        // ri = addwatermark(ri, watermark,
                        // ImageManager.BOTTOM);
                        // myInterpreter.setHeight(myInterpreter.getHeight() +
                        // watermark.getRenderedImage().getHeight());

                        // Try to write into pdfImage
                        // ---------------------------------------------------------------------------------------------------------------------------------
                        if (myInterpreter.getColordepth() > 1) {
                            // compress image if greyscale or color
                            ByteArrayOutputStream bytesoutputstream = new ByteArrayOutputStream();
                            // JpegInterpreter jpint = new JpegInterpreter(ri);
                            // jpint.setXResolution(myInterpreter.getXResolution());
                            // jpint.setYResolution(myInterpreter.getYResolution());
                            // jpint.writeToStream(null, bytesoutputstream);
                            LOGGER.error("WritingJPEGImage");
                            writeJpegFromRenderedImageToStream(bytesoutputstream, ri, null, myInterpreter);
                            byte[] returnbyteArray = bytesoutputstream.toByteArray();
                            if (bytesoutputstream != null) {
                                bytesoutputstream.flush();
                                bytesoutputstream.close();
                            }
                            pdfImage = Image.getInstance(returnbyteArray);
                            returnbyteArray = null;
                        } else {
                            // its bitonal, but can't be embedded directly,
                            // need to go via RenderedImage
                            BufferedImage buffImage = ImageManipulator.fromRenderedToBuffered(ri);
                            pdfImage = Image.getInstance(buffImage, null, false);
                            if (myWatermark != null) {
                                // create Image for Watermark
                                JpegInterpreter jpint = new JpegInterpreter(myWatermark.getRenderedImage());
                                ByteArrayOutputStream bytesoutputstream = new ByteArrayOutputStream();
                                jpint.setXResolution(myInterpreter.getXResolution());
                                jpint.setYResolution(myInterpreter.getYResolution());
                                jpint.writeToStream(null, bytesoutputstream);
                                byte[] returnbyteArray = bytesoutputstream.toByteArray();
                                jpint.clear();
                                if (bytesoutputstream != null) {
                                    bytesoutputstream.flush();
                                    bytesoutputstream.close();
                                }
                                Image blaImage = Image.getInstance(returnbyteArray);
                                returnbyteArray = null;
                                // set Watermark as Footer at fixed position
                                // (200,200)
                                Chunk c = new Chunk(blaImage, 200, 200);
                                Phrase p = new Phrase(c);
                                HeaderFooter hf = new HeaderFooter(p, false);
                                pdfdoc.setFooter(hf);
                            }
                            // pdfdoc.setPageSize(arg0)
                            // TODO das scheint nicht zu funktionieren... sollte
                            // dieser Code entfernt werden?

                        }
                    } // end of : if (pdfImage == null) {
                } catch (BadElementException e) {
                    throw new PDFManagerException("Can't create a PDFImage from a Buffered Image.", e);
                } catch (ImageManipulatorException e) {
                    LOGGER.warn(e);
                }

                // ---------------------------------------------------------------------------------------------------------
                // place the image on the page
                // ---------------------------------------------------------------------------------------------------------
                if (pagesizemode == PdfPageSize.ORIGINAL) {
                    // calculate the image width and height in points, create
                    // the rectangle in points

                    Rectangle rect = null;
                    if (!scaled) {
                        float image_w_points = (myInterpreter.getWidth() / myInterpreter.getXResolution()) * 72;
                        float image_h_points = ((myInterpreter.getHeight()) / myInterpreter.getYResolution())
                                * 72;
                        rect = new Rectangle(image_w_points, image_h_points);
                    } else {
                        rect = new Rectangle(myInterpreter.getWidth(), myInterpreter.getHeight());
                    }

                    // create the pdf page according to this rectangle
                    LOGGER.debug("creating original page sized PDF page:" + rect.getWidth() + " x "
                            + rect.getHeight());
                    pdfdoc.setPageSize(rect);

                    // create new page to put the content
                    try {
                        pageadded++;
                        pdfdoc.newPage();
                    } catch (Exception e1) {
                        throw new PDFManagerException(
                                "DocumentException occured while creating page " + pageadded + " in PDF", e1);
                    }

                    // scale image and place it on page; scaling the image does
                    // not scale the images bytestream
                    if (!scaled) {
                        pdfImage.scalePercent((72f / myInterpreter.getXResolution() * 100),
                                (72f / myInterpreter.getYResolution() * 100));
                    }
                    pdfImage.setAbsolutePosition(0, 0); // set image to lower
                                                        // left corner

                    boolean result;
                    try {
                        result = pdfdoc.add(pdfImage); // add it to PDF
                        if (!result) {
                            throw new PDFManagerException("Image \"" + url.toString()
                                    + "\" can's be added to PDF! Error during placing image on page");
                        }
                    } catch (DocumentException e) {
                        throw new PDFManagerException("DocumentException occured while adding the image to PDF",
                                e);
                    }
                } else {
                    /*
                     * it is not the original page size PDF will contain only A4 pages
                     */
                    LOGGER.debug("creating A4 pdf page");

                    // create new page to put the content
                    try {
                        pageadded++;
                        pdfdoc.setPageSize(PageSize.A4);
                        pdfdoc.newPage(); // create new page
                    } catch (Exception e1) {
                        throw new PDFManagerException("Exception occured while creating new page in PDF", e1);
                    }

                    float page_w_pixel = (float) (page_w * myInterpreter.getXResolution() / 25.4);
                    float page_h_pixel = (float) (page_h * myInterpreter.getYResolution() / 25.4);

                    float res_x = myInterpreter.getXResolution();
                    float res_y = myInterpreter.getYResolution();

                    long w = myInterpreter.getWidth(); // get height and width
                    long h = myInterpreter.getHeight();

                    /*
                     * if the page is landscape, we have to rotate the page; this is only done in PDF, the orig image bytestream is NOT rotated
                     */
                    if (w > h) {
                        LOGGER.debug("rotate image");
                        // must be rotated
                        pdfImage.setRotationDegrees(90);
                        // change width and height
                        long dummy = w;
                        w = h;
                        h = dummy;
                        // change the resolutions x and y
                        float dummy2 = res_x;
                        res_x = res_y;
                        res_y = dummy2;
                    }

                    /*
                     * check, if the image needs to be scaled, because it's bigger than A4 calculate the new scalefactor
                     */
                    if ((w > page_w_pixel) || (h > page_h_pixel)) {
                        LOGGER.debug("scale image to fit the page");
                        float scalefactor_w = page_w_pixel / w;
                        float scalefactor_h = page_h_pixel / h;
                        if (scalefactor_h < scalefactor_w) {
                            scalefactor = scalefactor_h;
                        } else {
                            scalefactor = scalefactor_w;
                        }
                        w = (long) (w * scalefactor);
                        h = (long) (h * scalefactor);
                    }
                    if (!scaled) {
                        pdfImage.scalePercent((72f / res_x * 100) * scalefactor,
                                (72f / res_y * 100) * scalefactor);
                    }

                    // center the image on the page
                    // ---------------------------------------------------------------
                    float y_offset = 0; // y - offset
                    // get image size in cm; height
                    float h_cm = (float) (h / (res_x / 2.54));
                    // float w_cm = (float) (w / (res_y / 2.54)); // and width
                    if ((h_cm + 2) < (page_h / 10)) {
                        y_offset = 2 * 72f / 2.54f;
                    }
                    float freespace_x = ((page_w_pixel - w) / res_x * 72f);
                    float freespace_y = ((page_h_pixel - h) / res_y * 72f) - (y_offset);
                    // set position add image
                    pdfImage.setAbsolutePosition(freespace_x / 2, freespace_y);
                    boolean result;
                    try {
                        result = pdfdoc.add(pdfImage);
                    } catch (DocumentException e) {
                        LOGGER.error(e);
                        throw new PDFManagerException("DocumentException occured while adding the image to PDF",
                                e);
                    }
                    if (!result) {
                        // placing the image in the PDF was not successful
                        throw new PDFManagerException("Image \"" + url.toString()
                                + "\" can's be added to PDF! Error during placing image on page");
                    }

                    // draw box around the image page
                    // ------------------------------------------------------------------------------------------------
                    if (pagesizemode == PdfPageSize.A4BOX) {
                        LOGGER.debug("draw box around the image page");

                        // draw a black frame around the image
                        PdfContentByte pcb = writer.getDirectContent();

                        // calculate upper left corner of the box (measurment is
                        // in points)
                        float left_x = (freespace_x / 2);
                        float left_y = freespace_y;

                        // calculate the lower right corner of the box
                        // (measurement is in points)
                        float image_w_points = (w / res_x) * 72;
                        float image_h_points = (h / res_y) * 72;

                        pcb.setLineWidth(1f);
                        pcb.stroke();
                        pcb.rectangle(left_x, left_y, image_w_points, image_h_points);

                        pcb.stroke();
                    }

                } // end of: if (pagesizemode == PdfPageSize.ORIGINAL) {
                pdfImage = null;
                myInterpreter.clear();
                // writer.freeReader(new PdfReader(pdfpage.getURL()));
            } // end of : if (pdfpage.getURL() != null) {

            // ------------------------------------------------------------------------------------------------
            // it is a page from a PDF file which should be inserted
            // ------------------------------------------------------------------------------------------------
            else if (pdfpage.getClass() == PDFPage.class && ((PDFPage) pdfpage).getPdfreader() != null) {

                PdfContentByte pdfcb = writer.getDirectContent();

                PdfReader pdfreader = ((PDFPage) pdfpage).getPdfreader();
                PdfImportedPage importpage = writer.getImportedPage(pdfreader, pdfpage.getPageNumber());

                if (pagesizemode == PdfPageSize.ORIGINAL) {
                    LOGGER.debug("creating orig pdf page");
                    Rectangle rect = pdfreader.getPageSize(pdfpage.getPageNumber());
                    try {
                        pdfdoc.setPageSize(rect);
                        pdfdoc.newPage(); // create new page
                    } catch (Exception e1) {
                        throw new PDFManagerException("Exception occured while creating new page in PDF", e1);
                    }
                    // add content
                    pageadded++;
                    pdfcb.addTemplate(importpage, 0, 0);

                } else {
                    LOGGER.debug("creating A4 pdf page");
                    try {
                        pdfdoc.setPageSize(PageSize.A4);
                        pdfdoc.newPage(); // create new page
                    } catch (Exception e1) {
                        throw new PDFManagerException("Exception occured while creating new page in PDF", e1);
                    }

                    // add content
                    pageadded++;
                    pdfcb.addTemplate(importpage, 0, 0);

                    // draw box
                    // if (pagesizemode == PdfPageSize.A4BOX) {
                    // FIXME: nichts implementiert ?
                    // }
                }

            }
            // handle pagename
            if (imageNames != null) {
                String pagename = imageNames.get(imageKey);

                if (pagename != null) {
                    pagelabels.addPageLabel(pageadded, PdfPageLabels.EMPTY, pagename);
                } else {
                    pagelabels.addPageLabel(pageadded, PdfPageLabels.EMPTY, "unnumbered");
                }
            }
            // handle bookmarks and set destinator for bookmarks
            LOGGER.debug("handle bookmark(s) for page");

            PdfDestination destinator = new PdfDestination(PdfDestination.FIT);
            setBookmarksForPage(writer, destinator, imageKey); // the key in the
            writer.flush();
            // mashMap is the pagenumber

        } // end of while iterator over all pages

    }
    return pagelabels;

}

From source file:org.pdfsam.console.business.pdf.handlers.PageLabelsCmdExecutor.java

License:Open Source License

/**
 * mapping from the console style variable to the iText variable
 * /* w  ww  .  j a va  2  s  .  co m*/
 * @param style
 * @return iText style variable
 */
private int getPageLabelStyle(String style) {
    int retVal = PdfPageLabels.DECIMAL_ARABIC_NUMERALS;

    if (PageLabel.ARABIC.equals(style)) {
        retVal = PdfPageLabels.DECIMAL_ARABIC_NUMERALS;
    } else if (PageLabel.EMPTY.equals(style)) {
        retVal = PdfPageLabels.EMPTY;
    } else if (PageLabel.LLETTER.equals(style)) {
        retVal = PdfPageLabels.LOWERCASE_LETTERS;
    } else if (PageLabel.LROMAN.equals(style)) {
        retVal = PdfPageLabels.LOWERCASE_ROMAN_NUMERALS;
    } else if (PageLabel.ULETTER.equals(style)) {
        retVal = PdfPageLabels.UPPERCASE_LETTERS;
    } else if (PageLabel.UROMAN.equals(style)) {
        retVal = PdfPageLabels.UPPERCASE_ROMAN_NUMERALS;
    }
    return retVal;
}