images/image_from_url
Read an image from an URL and place it in a PDF document.
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<?php
/*
* Image from URL:
* Read image data from a URL and place it in a PDF document
*
* Read an image from the URL and store in a PDFlib virtual file (PVF).
* Then load the image data from the PVF file and place it on the page.
*
* Required software: PDFlib/PDFlib+PDI/PPS 10
* Required data: none
*/
/* This is where the data files are. Adjust as necessary. */
$searchpath = dirname(__FILE__,3)."/input";
$outfile = "";
$title = "Image from URL";
$image_url = "https://www.pdflib.com/fileadmin/cookbooks/PDFlib/PDFlib-Cookbook/input/kraxi_logo.tif";
try {
$p = new pdflib();
$p->set_option("searchpath={" . $searchpath . "}");
/* This means we must check return values of load_font() etc. */
$p->set_option("errorpolicy=return");
if ($p->begin_document($outfile, "") == 0)
throw new Exception("Error: " . $p->get_errmsg());
$p->set_info("Creator", "PDFlib Cookbook");
$p->set_info("Title", $title);
// Download image data from URL and store it in a PVF file
if ($p->download("/pvf/image", "createpvf source={url=" . $image_url . "}") == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Load the image from the PVF */
$image = $p->load_image("auto", "/pvf/image" , "");
if ($image == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Start a page, place the image, and finish the page */
$p->begin_page_ext(400, 200, "");
$p->fit_image($image, 50, 100, "");
$p->end_page_ext("");
/* Delete the virtual file to free the allocated memory */
$p->delete_pvf("/pvf/image");
$p->end_document("");
$buf = $p->get_buffer();
$len = strlen($buf);
header("Content-type: application/pdf");
header("Content-Length: $len");
header("Content-Disposition: inline; filename=image_from_url.pdf");
print $buf;
} catch (PDFlibException $e) {
print("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;
?>