fonts/barcode_font

<?php

/* $Id: barcode_font.php,v 1.2 2009/07/13 12:03:31 rp Exp $

 * Barcode font:

 * Output text in a barcode font.

 *

 * Load a barcode font and output text. Enclose the text in the start and stop

 * characters which are individually defined by the respective barcode font.

 *

 * Required software: PDFlib Lite/PDFlib/PDFlib+PDI/PPS 7

 * Required data: font file

 */

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

$searchpath = "../input";

$outfile = "";

$title = "Barcode 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");

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

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

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

    $p->set_info("Title", $title);

    /* Start page */

    $p->begin_page_ext(150, 120, "");

    /* Load the barcode font.

     * "FRE3OF9X.TTF" is a free 3 of 9 Barcode created by Matthew Welch.

     * See http://www.barcodesinc.com/free-barcode-font/.

     *

     * For PDFlib Lite: change "unicode" to "winansi"

     */

    $barcodefont = $p->load_font("FRE3OF9X", "unicode", "embedding");

    if ($barcodefont == 0)

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

   

    /* Output text with the barcode font. Note the following when creating

     * barcode text: To create a valid 3 of 9 barcode you have to begin and

     * end it with a special character. Scanners look for this character to

     * know where to start and stop reading the barcode. It is represented

     * in this font with the '*' character. So, to create a barcode for the

     * text "ABC123" you have to type out "*ABC123*". Note that barcode

     * readers will not include the *'s in the text they return. They will

     * just give you the "ABC123".

     */

    $p->fit_textline("*ABC123*", 10, 75, "font=" . $barcodefont .

        " fontsize=20");

   

    /* For PDFlib Lite: change "unicode" to "winansi" */

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

    if ($normalfont == 0)

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

    $p->fit_textline("*ABC123* ", 10, 60, "font=" . $normalfont .

        " fontsize=10");

    $p->fit_textline("which will be returned by the", 10, 30, "font=" .

        $normalfont . " fontsize=10");

    $p->fit_textline("barcode reader as ABC123", 10, 10, "font=" .

        $normalfont . " fontsize=10");

    /* Finish page */

    $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=barcode_font.pdf");

    print $buf;

    } catch (PDFlibException $e) {

        die("PDFlib exception occurred:\n".

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

            ": " . $e->get_errmsg() . "\n");

    } catch (Exception $e) {

        die($e->getMessage());

    }

$p=0;

?>