pdf_import/clone_page_boxes

 *

 * Clone page boxes:

 * Import a PDF page, and clone all of its ArtBox, TrimBox, BleedBox, CropBox,

 * and MediaBox entries.

 *

 * Note: You can visualize the page boxes in Acrobat 8 as follows:

 * Choose "Edit, Preferences, General, Page Display, Page Content and

 * Information" and select "Show art, trim & bleed boxes".

 * This setting will create colorized rectangles which indicate the size of the

 * art, trim, and bleed boxes.

 *

 * Required software: PDFlib+PDI/PPS 8

 * Required data: PDF document

 */

package com.pdflib.cookbook.pdflib.pdf_import;

import com.pdflib.pdflib;

import com.pdflib.PDFlibException;

public class clone_page_boxes {

    public static void main(String argv[]) {

        /* This is where the data files are. Adjust as necessary. */

        String searchpath = "../input";

        String outfile = "clone_page_boxes.pdf";

        String title = "Clone Page Boxes";

        pdflib p = null;

        String pdffile = "pageboxes.pdf";

        int indoc, pageno, endpage, page;

        try {

            p = new pdflib();

            p.set_parameter("SearchPath", searchpath);

            /* This means we must check return values of load_font() etc. */

            p.set_parameter("errorpolicy", "return");

            if (p.begin_document(outfile, "") == -1)

                throw new Exception("Error: " + p.get_apiname() + ": "

                        + p.get_errmsg());

            p.set_info("Creator", "PDFlib Cookbook");

            p.set_info("Title", title + " $Revision: 1.5 $");

            /* Open the input PDF */

            indoc = p.open_pdi_document(pdffile, "");

            if (indoc == -1)

                throw new Exception("Error: " + p.get_apiname() + ": "

                        + p.get_errmsg());

            endpage = (int) p.pcos_get_number(indoc, "length:pages");

            /* Loop over all pages of the input document */

            for (pageno = 1; pageno <= endpage; pageno++) {

                /*

                 * "cloneboxes" must be used with open_pdi_page() to read all

                 * relevant box values.

                 */

                page = p.open_pdi_page(indoc, pageno, "cloneboxes");

                if (page == -1)

                    throw new Exception("Error: " + p.get_apiname() + ": "

                            + p.get_errmsg());

                /*

                 * Start and place the page. "cloneboxes" must be used again as

                 * an option to fit_pdi_page() to apply the box values to the

                 * current page.

                 */

                p.begin_page_ext(0, 0, "");

                p.fit_pdi_page(page, 0, 0, "cloneboxes");

                p.end_page_ext("");

                p.close_pdi_page(page);

            }

            p.end_document("");

        }

        catch (PDFlibException e) {

            System.err.print("PDFlib exception occurred:\n");

            System.err.print("[" + e.get_errnum() + "] " + e.get_apiname()

                    + ": " + e.get_errmsg() + "\n");

        }

        catch (Exception e) {

            System.err.println(e.getMessage());

        }

        finally {

            if (p != null) {

                p.delete();

            }

        }

    }

}