blocks/clone_blocks
Clone Blocks from another document. Use POCA to copy a modified Block.
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<?php
/*
* Clone all Blocks from an input document.
*
* Required software: PPS 9
* Required data: PDF document with Blocks
*/
/* 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";
$infile = "businesscard_blocks.pdf";
$title = "Clone PDFlib Blocks";
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("", "") == 0)
throw new Exception("Error: " . $p->get_errmsg());
$p->set_info("Creator", "PDFlib Cookbook");
$p->set_info("Title", $title);
/* Open a PDF containing Blocks */
$indoc = $p->open_pdi_document($infile, "");
if ($indoc == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Loop over all pages of the input document */
$pagecount = $p->pcos_get_number($indoc, "length:pages");
for ($pageno = 1; $pageno <= $pagecount; $pageno++)
{
$page = $p->open_pdi_page($indoc, $pageno, "");
if ($page == -1)
throw new Exception("Error: " . $p->get_errmsg());
/* Page size may be adjusted by fit_pdi_page() */
$p->begin_page_ext(0, 0, "width=a4.width height=a4.height");
/* Copy all Blocks from the page */
if ($p->process_pdi($indoc, 0,
"action=copyallblocks block={pagenumber=" . $pageno . "}") == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Import the page content itself */
$p->fit_pdi_page($page, 0, 0, "adjustpage");
$p->end_page_ext("");
}
$p->end_document("");
$p->close_pdi_document($indoc);
$buf = $p->get_buffer();
$len = strlen($buf);
header("Content-type: application/pdf");
header("Content-Length: $len");
header("Content-Disposition: inline; filename=clone_blocks.pdf");
print $buf;
} catch (PDFlibException $e) {
echo("PDFlib exception occurred:\n".
"[" . $e->get_errnum() . "] " . $e->get_apiname() .
": " . $e->get_errmsg() . "\n");
exit(1);
} catch (Throwable $e) {
echo("PHP exception occurred: " . $e->getMessage() . "\n");
exit(1);
}
$p = 0;
?>