text_output/text_as_clipping_path
Output text filled with an image.
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<?php
/*
* Text as clipping path:
* Output text filled with an image
*
* Use various text rendering modes to place an image clipped by some text
* outlines.
* Use the "textrendering=7" parameter to add text to the clipping path. Then
* place an image clipped by that path.
* Use "textrendering=5" to stroke text and add it to the clipping path. Then
* place an image clipped by that path.
*
* Required software: PDFlib/PDFlib+PDI/PPS 10
* Required data: image file
*/
/* This is where the data files are. Adjust as necessary. */
$searchpath = dirname(__FILE__,3)."/input";
$outfile = "";
$title = "Text as Clipping Path";
$imagefile = "nesrin.jpg";
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 );
/* Load the image */
$image = $p->load_image("auto", $imagefile, "");
if ($image == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Start an A4 landscape page */
$p->begin_page_ext(0, 0, "width=a4.height height=a4.width");
/* Save the current graphics state */
$p->save();
/*
* Output some text with the text rendering mode set to "add text
* to the clipping path". The text outlines will not actually be
* filled but be added to the clipping path instead.
*/
$p->fit_textline("Hello!", 30, 250,
"fontname=NotoSerif-Bold fontsize=250 textrendering=7");
/* Place the image */
$p->fit_image($image, 0.0, 0.0, "boxsize={842 595} fitmethod=entire");
/* Restore the current graphics state */
$p->restore();
/* Save the current graphics state */
$p->save();
/*
* Output some text with the text rendering mode set to "stroke
* text and add it to the clipping path". The text outlines will
* not actually be filled but be added to the clipping path
* instead.
*/
$p->set_graphics_option("linewidth=8");
$p->fit_textline("Hello!", 100, 50,
"fontname=NotoSerif-Bold fontsize=200 " .
"strokecolor={rgb 0.1 0.1 0.1} textrendering=5");
/* Place the image */
$p->fit_image($image, 0.0, 0.0, "boxsize={842 595} fitmethod=entire");
$p->close_image($image);
/* Restore the current graphics state */
$p->restore();
$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_as_clipping_path.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;
?>