pdfa/text_to_pdfa2b
Output text conforming to PDF/A-2b, taking care of color space and font issues.
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<?php
/*
* Text to PDF/A:
* Output text conforming to PDF/A-2b, taking care of color space and font
* issues
*
* Required software: PDFlib/PDFlib+PDI/PPS 10
* Required data: font file
*/
/* This is where the data files are. Adjust as necessary. */
$searchpath = dirname(__FILE__,3)."/input";
$outfile = "";
$title = "Text to PDF/A";
$x = 30; $y = 800;
try {
$p = new pdflib();
$p->set_option("searchpath={" . $searchpath . "}");
/* This means we must check return values of load_font() etc. */
$p->set_option("errorpolicy=return");
/* Output all contents conforming to PDF/A-2b */
if ($p->begin_document($outfile, "pdfa=PDF/A-2b") == 0)
throw new Exception("Error: " . $p->get_errmsg());
$p->set_info("Creator", "PDFlib Cookbook");
$p->set_info("Title", $title);
/* Use sRGB as output intent since it allows the color spaces CIELab,
* ICC-based, Grayscale, and RGB
*/
if( $p->load_iccprofile("sRGB", "usage=outputintent") == 0)
{
throw new Exception("Error: " . p.get_errmsg() ."<br/>\n" .
"See www.pdflib.com for output intent ICC profiles.");
}
$p->begin_page_ext(0, 0, "width=a4.width height=a4.height");
$font = $p->load_font("NotoSerif-Regular", "unicode", "");
if ($font == 0)
throw new Exception("Error: " . $p->get_errmsg());
$p->setfont($font, 20);
/* We can use RGB text without any further color related options since
* we already supplied an output intent profile.
*/
$p->setcolor("fill", "rgb", 0.7, 0.3, 0.3, 0);
$p->fit_textline("Text with an RGB color conforming to PDF/A-2b",
$x, $y-=100, "");
/* Similarly, we can use Grayscale text without any further options
* since we already supplied an output intent profile.
*/
$p->setcolor("fill", "gray", 0.5, 0, 0, 0);
$p->fit_textline("Text with a Grayscale color conforming to PDF/A-2b",
$x, $y-=100, "");
$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=text_to_pdfa2b.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;
?>