interchange/control_nexpress_trays

<?php

/* $Id: control_nexpress_trays.php,v 1.4 2012/05/03 14:00:41 stm Exp $

 * 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 7

 * Required data: none

 */

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

$searchpath = dirname(dirname(dirname(__FILE__)))."/input";

$outfile = "";

$title = "Control NexPress trays";

$font;

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");

    $p->set_parameter("textformat", "utf8");

   

    /* Start the document */

    if ($p->begin_document($outfile, "") == 0)

        throw new Exception("Error: " . $p->get_errmsg());

   

    /* Set document info entries */

    $p->set_info("Creator", "PDFlib Cookbook");

    $p->set_info("Title", $title );

   

    /* Load font */

    $font = $p->load_font("Helvetica", "unicode", "");

    if ($font == 0)

        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.

     */

    $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("");

    $buf = $p->get_buffer();

    $len = strlen($buf);

    header("Content-type: application/pdf");

    header("Content-Length: $len");

    header("Content-Disposition: inline; filename=control_nexpress_trays.pdf");

    print $buf;

}

catch (PDFlibException $e) {

    die("PDFlib exception occurred in starter_pdfx sample:\n" .

        "[" . $e->get_errnum() . "] " . $e->get_apiname() . ": " .

        $e->get_errmsg() . "\n");

}

catch (Exception $e) {

    die($e->getMessage());

}

$p = 0;

?>