interchange/control_nexpress_trays

 * Control NexPress trays:

 * For NexPress digital color printing machines, create some special kind of

 * annotations to control the input tray.

 *

 * Use the "custom" option of create_annotation() to create a "Stamp" annotation

 * with NexPress-specific custom extensions.   

 * The "P" in "PDF" means "Portable", which excludes the use of device-specific

 * parameters such as tray control. This technique is not really in the spirit

 * of portable PDF documents, but NexPress digital printing machines expect it

 * this way nevertheless.

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 9

 * Required data: none

 */

package com.pdflib.cookbook.pdflib.interchange;

import com.pdflib.pdflib;

import com.pdflib.PDFlibException;

public class control_nexpress_trays

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "control_nexpress_trays.pdf";

    String title = "Control NexPress trays";

    pdflib p = null;

    int font;

    try {

        p = new pdflib();

        p.set_option("searchpath={" + searchpath + "}");

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

        p.set_option("errorpolicy=return");

        /* Start the document */

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

            throw new Exception("Error: " + p.get_errmsg());

        /* Set document info entries */

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

        p.set_info("Title", title + " $Revision: 1.3 $");

        /* Load font */

        font = p.load_font("Helvetica", "unicode", "");

        if (font == -1)

            throw new Exception("Error: " + p.get_errmsg());

        /* Start page */

        p.begin_page_ext(0, 0, "width=a4.width height=a4.height");

        /* Set font */

        p.setfont(font, 12);

        /* Output some descriptive text */

        p.fit_textline("Use the \"custom\" option of create_annotation() to " +

             "create a \"Stamp\" annotation with", 20, 600, "");

        p.fit_textline("NexPress-specific custom extensions in the document.",

            20, 580, "");

        /* Create a "Stamp" annotation with NexPress-specific custom

         * extensions.

         * Some names which can be used in the "Name" key for tray selection:

         * SubstrateTypeCover, SubstrateTypeInsert,

         * SubstrateTypeInsert1 ... SubstrateTypeInsert9.

         * More details are available in the printer-specific documentation.

         */

        String optlist =

            "custom={{key=Open type=boolean value=false} " +

            "{key=Name type=name value=SubstrateTypeCover} " +

            "{key=Subj type=string value={Cover}}} " +

            "contents={Stamp Annotation for tray selection}";

        p.create_annotation(50, 500, 150, 550, "Stamp", optlist);

        p.end_page_ext("");

        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();

            }

        }

    }

}