pdf_import/scale_down_imported_pages
Place A4 pages from an imported PDF as A5 pages in the output document.
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<?php
/*
* Scale down imported pages:
* Place A4 pages from an imported PDF as A5 pages in the output document
*
* Import the pages of an A4 document and output them unchanged. Then, place
* them in the output document while scaling them down to A5.
*
* Required software: PDFlib+PDI/PPS 9
* Required data: PDF document
*/
/* This is where the data files are. Adjust as necessary. */
$searchpath = dirname(__FILE__,3)."/input";
/* By default annotations are also imported. In some cases this
* requires the Noto fonts for creating annotation appearance streams.
* We therefore set the searchpath to also point to the font directory.
*/
$fontpath = dirname(__FILE__,3)."/resource/font";
$outfile = "";
$title = "Scale down Imported Pages";
$pdffile = "pCOS-datasheet.pdf";
try {
$p = new pdflib();
$p->set_option("searchpath={" . $searchpath . "}");
$p->set_option("searchpath={" . $fontpath . "}");
/* This means we must check return values of load_font() etc. */
$p->set_option("errorpolicy=return");
if ($p->begin_document($outfile, "") == 0)
throw new Exception("Error: " . $p->get_errmsg());
$p->set_info("Creator", "PDFlib Cookbook");
$p->set_info("Title", $title );
/* Open the input PDF having A4 page size */
$indoc = $p->open_pdi_document($pdffile, "");
if ($indoc == 0)
throw new Exception("Error: " . $p->get_errmsg());
$endpage = $p->pcos_get_number($indoc, "length:pages");
/* Loop over all pages of the input document:
* Place the imported page without any scaling
*/
for ($pageno = 1; $pageno <= $endpage; $pageno++)
{
$page = $p->open_pdi_page($indoc, $pageno, "");
if ($page == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Start an A4 output page (210mm x 297mm) */
$p->begin_page_ext(0, 0, "width=a4.width height=a4.height");
/* Place the imported page without any scaling */
$p->fit_pdi_page($page, 0, 0, "");
$p->end_page_ext("");
$p->close_pdi_page($page);
}
/* Loop over all pages of the input document:
* Place the imported page while scaling it down to A5
*/
for ($pageno = 1; $pageno <= $endpage; $pageno++)
{
$page = $p->open_pdi_page($indoc, $pageno, "");
if ($page == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Start an A5 output page (148mm x 210mm) */
$p->begin_page_ext(421, 595, "");
/* Place the imported page while scaling it down to A5 */
$p->fit_pdi_page($page, 0, 0, "boxsize={421 595} fitmethod=meet");
$p->end_page_ext("");
$p->close_pdi_page($page);
}
$p->end_document("");
$buf = $p->get_buffer();
$len = strlen($buf);
header("Content-type: application/pdf");
header("Content-Length: $len");
header("Content-Disposition: inline; filename=scale_down_imported_pages.pdf");
print $buf;
}
catch (PDFlibException $e) {
echo("PDFlib exception occurred in scale_down_imported_pages sample:\n" .
"[" . $e->get_errnum() . "] " . $e->get_apiname() . ": " .
$e->get_errmsg() . "\n");
exit(1);
}
catch (Throwable $e) {
echo($e);
exit(1);
}
$p = 0;
?>