type3_fonts/type3_vectorlogo
Create a Type 3 font which contains a single logo derived from a PDF page.
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<?php
/*
* Type 3 vector logo font:
* Create a Type 3 font which contains a single logo derived from a vector
* based PDF page
*
* Required software: PDFlib+PDI/PPS 10
* Required data: PDF file
*/
/* This is where the data files are. Adjust as necessary. */
$searchpath = dirname(__FILE__,3)."/input";
$outfile = "";
$title = "Type 3 Vector Logo Font";
$logofile = "kraxi_logo.pdf";
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 );
/* Import vector data from "kraxi_logo.pdf" to create the "LogoFont"
* Type 3 font with one glyph "kraxi". Output text containing
* the glyph by addressing via character reference value by glyph
* name and via PUA value (Unicode Private Use Area).
*/
/* Load vector data from PDF file */
$indoc = $p->open_pdi_document($logofile, "");
if ($indoc == 0)
throw new Exception("Error: " . $p->get_errmsg());
$page = $p->open_pdi_page($indoc, 1, "");
if ($page == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Create the font LogoFont. The matrix entries are chosen to create
* the common 1000x1000 coordinate system. These numbers are also
* used when placing the logo within the glyph box below (option
* "boxsize").
*/
$p->begin_font("LogoFont", 0.001, 0.0, 0.0, 0.001, 0.0, 0.0, "");
/* The .notdef (fallback) glyph should be contained in all Type 3
* fonts to avoid problems with some PDF viewers. It is usually
* empty.
*/
$p->begin_glyph_ext(0x0000, "width=1000");
$p->end_glyph();
/*
* Add a glyph with the name "kraxi" and width 1000. Colorized fonts
* do not need any bounding box, so we supply the values 0, 0, 0, 0.
*
* As there is no meaningful Unicode value for the logo, we let
* PDFlib assign a PUA value. The glyph can be addressed via its
* glyph name, or alternatively the Unicode PUA value can be
* retrieved via info_font().
*/
$p->begin_glyph_ext(-1, "width=1000 colorized glyphname=kraxi boundingbox={0 0 0 0}");
/* Fit the contents of the PDF in a box similar to the dimensions
* of the glyph box. We place the glyph at (0, 100) in order to
* slightly move up the logo so that it better matches standard
* text.
*/
$p->fit_pdi_page($page, 0, 100, "boxsize={1000 1000} fitmethod=meet");
$p->end_glyph();
$p->end_font();
$p->close_pdi_page($page);
$p->close_pdi_document($indoc);
/* Load the new "LogoFont" font with encoding "unicode" */
$logofont = $p->load_font("LogoFont", "unicode", "");
if ($logofont == 0)
throw new Exception("Error: " . $p->get_errmsg());
/* Start page */
$p->begin_page_ext(0, 0, "width=a4.width height=a4.height");
/* Print the glyph "kraxi" of the "LogoFont" font */
$p->fit_textline("&.kraxi;", 100, 500, "fontname=LogoFont fontsize=24 charref");
/* Print descriptive text */
$p->fit_textline("This is the kraxi logo.", 150, 500, "fontname=NotoSerif-Regular fontsize=24");
/*
* Alternatively fetch the PUA value and address the glyph with
* the PUA value.
*/
$kraxi_pua_value = (int) $p->info_font($logofont, "unicode", "glyphname=kraxi");
$kraxi_dec_charref = "&#" . $kraxi_pua_value . ";";
$p->fit_textline($kraxi_dec_charref, 425, 500, "font=" . $logofont . " fontsize=24 charref");
/* Finish page */
$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=type3_vectorlogo.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;
?>