<?php
/* $Id: starter_pdfua1.php,v 1.6 2014/05/08 14:20:57 rp Exp $
 * PDF/UA-1 starter:
 * Create PDF/UA-1 document with various content types including structure
 * elements, artifacts, and interactive elements.
 *
 * Required software: PDFlib/PDFlib+PDI/PPS 9
 * Required data: font file, image
 */

/* This is where the data files are. Adjust as necessary. */
$searchpath = dirname(dirname(dirname(__FILE__)))."/input";
$imagefile = "lionel.jpg";

$p = null;

try {
    $p = new pdflib();
    /*
     * errorpolicy=exception means that the program will stop
     * if one of the API function runs into a problem.
     */
    $p->set_option("errorpolicy=exception searchPath={" . $searchpath . "}");

    /* all strings are expected as utf8 */
    $p->set_option("stringformat=utf8");

    $p->begin_document("",
	"pdfua=PDF/UA-1 lang=en " .
	"tag={tagname=Document Title={PDFlib PDF/UA-1 demo}}") ;

    $p->set_info("Creator", "starter_pdfua1.php");
    $p->set_info("Title", "PDFlib PDF/UA-1 demo");

    /* Automatically create spaces between chunks of text */
    $p->set_option("autospace=true");

    $p->begin_page_ext(0, 0,
	    "width=a4.width height=a4.height taborder=structure");

    $p->create_bookmark("PDF/UA-1 demo", "");

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

    $p->setfont($font, 24.0);

    /* =================== Simple text  ======================== */

    /* Use abbreviated tagging with the "tag" option */
    $p->fit_textline("Introduction to Paper Planes",
	50, 700, "tag={tagname=H1 Title={Introduction}} fontsize=24");

    $p->fit_textline(
	"Paper planes can be made from any kind of paper.", 
	50, 675, "tag={tagname=P} fontsize=12");

    $p->fit_textline("Most paper planes don't have an engine.", 
	50, 650, "tag={tagname=P} fontsize=12");

    /* =================== Interactive Link ======================== */
    $id_p = $p->begin_item("P", "");
    $id_link = $p->begin_item("Link", "Title={Kraxi on the Web}");

    /* Create visible content which represents the link */
    $p->fit_textline("Learn more on the Kraxi website.", 
	50, 625,
	"matchbox={name={kraxi.com}} fontsize=12 " .
	"strokecolor=blue fillcolor=blue underline");

    /* Create URI action */
    $action = $p->create_action("URI", "url={http://www.kraxi.com}");

    /* Create Link annotation on named matchbox "kraxi.com".
    * This automatically creates an OBJR (object reference) element.
    */
    $optlist = "linewidth=0 usematchbox={kraxi.com} " .
	"contents={Link to Kraxi Inc. Web site} " .
	"action={activate=" . $action. " } ";
    $p->create_annotation(0, 0, 0, 0, "Link", $optlist);

    $p->end_item($id_link);
    $p->end_item($id_p);

    /* =================== Image  ======================== */
    $id_p = $p->begin_item("P", "");
    $image = $p->load_image("auto", $imagefile, "");

    $p->fit_image($image, 50, 400,
	"tag={tagname=Figure Alt={Image of Kraxi waiting for customers.}} " .
	"scale=0.5");
    $p->close_image($image);
    $p->end_item($id_p);

    /* =================== Artifact  ======================== */
    $p->fit_textline("Page 1", 250, 100,
	"tag={tagname=Artifact} fontsize=12");

    $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=starter_pdfua1.pdf");
    print $buf;

}
catch (PDFlibException $e) {
    echo("PDFlib exception occurred in starter_pdfua1 sample:\n" .
        "[" . $e->get_errnum() . "] " . $e->get_apiname() . ": " .
        $e->get_errmsg() . "\n");
    exit(1);
}
catch (Exception $e) {
    echo($e);
    exit(1);
}

$p = 0;
?>