fonts/font_info
Get various properties of a font such as font name, font style, or encoding. Use info_font() with various keys and options to retrieve the required font information.
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/* $Id: font_info.php,v 1.2 2012/05/03 14:00:38 stm Exp $
* Font info:
* Get various properties of a font such as font name, font style, or encoding
*
* Use info_font() with various keys and options to retrieve the required font
* information
*
* Required software: PDFlib Lite/PDFlib/PDFlib+PDI/PPS 7
* Required data: font file
*/
/* This is where the data files are. Adjust as necessary. */
$searchpath = dirname(dirname(dirname(__FILE__)))."/input";
$outfile = "";
$title = "Font Info";
$x=20;
$xindent=150;
$y=820;
$yoffset=20;
try {
$p = new PDFlib();
/* This means we must check return values of load_font() etc. */
$p->set_parameter("errorpolicy", "return");
$p->set_parameter("SearchPath", $searchpath);
$p->set_parameter("textformat", "utf8");
if ($p->begin_document($outfile, "") == 0)
throw new Exception("Error: " . $p->get_errmsg());
$p->set_info("Creator", "PDFlib Cookbook");
$p->set_info("Title", $title);
/* Start page */
$p->begin_page_ext(0, 0, "width=a4.width height=a4.height");
/* Load a font */
$font = $p->load_font("LuciduxSans-Oblique", "unicode", "embedding");
if ($font == 0)
throw new Exception("Error: " . $p->get_errmsg());
$p->setfont($font, 12);
/* Get the font name: use "api" to get the font name used by PDFlib.
* (use "acrobat" for the Acrobat font name or use "full" for
* retrieving the full font name)
*/
$p->fit_textline("fontname (api):", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "fontname", "api");
if ($info > -1) {
$fontname = $p->get_parameter("string", $info);
$p->fit_textline($fontname, $xindent, $y, "");
}
/* Get the path name for the font outline file. This will be successful
* since in our case the font file name is identical to the font name
* "LuciduxSans-Oblique". In other cases the font file name can only be
* retrieved if it has been configured using set_parameter() and the
* "FontOutline" resource category.
*/
$p->fit_textline("fontfile:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "fontfile", "");
if ($info > -1) {
$fontname = $p->get_parameter("string", $info);
$p->fit_textline($fontname, $xindent, $y, "");
}
/* With PostScript Type 1 fonts, get the path name for the font metrics
* file (AFM or PFM). This will be successful since in our case the
* font metrics file name is identical to the font name
* "LuciduxSans-Oblique". In other cases the font file name can only be
* retrieved if it has been configured using set_parameter() and the
* "FontAFM" or "FontPFM" resource category.
*/
$p->fit_textline("metricsfile:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "metricsfile", "");
if ($info > -1) {
$fontname = $p->get_parameter("string", $info);
$p->fit_textline($fontname, $xindent, $y, "");
}
/* Get the encoding of the font: use "api" to get the encoding name
* as specified in PDFlib (use "actual" for the name of the encoding
* actually used for the font)
*/
$p->fit_textline("encoding (api):", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "encoding", "api");
if ($info > -1) {
$fontname = $p->get_parameter("string", $info);
$p->fit_textline($fontname, $xindent, $y, "");
}
/* Get information about if the font is embedded as a CID font */
$p->fit_textline("cidfont:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "cidfont", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get information about if the font is a host font */
$p->fit_textline("hostfont:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "hostfont", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get the supplement number of the character collection for fonts with
* a standard CJK CMap
*/
$p->fit_textline("supplement:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "supplement", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get information about if the font is a standard font */
$p->fit_textline("standardfont:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "standardfont", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get information about if the font is a symbol font */
$p->fit_textline("symbolfont:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "symbolfont", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get information about if the font is embedded as a CID font */
$p->fit_textline("cidfont:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "cidfont", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get information about if the font is loaded with an encoding which
* allows unicode text
*/
$p->fit_textline("unicodefont:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "unicodefont", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get information about if a font subset will be created */
$p->fit_textline("willsubset:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "willsubset", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get information about if the font will be embedded */
$p->fit_textline("willembed:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "willembed", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get information about if the font is for vertical writing mode */
$p->fit_textline("vertical:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "vertical", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get the style of the font */
$p->fit_textline("fontstyle:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "fontstyle", "");
if ($info > -1) {
$fontstyle = $p->get_parameter("string", $info);
$p->fit_textline($fontstyle, $xindent, $y, "");
}
/* Get information about if the font style will be faked */
$p->fit_textline("fontstyle (faked):", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "fontstyle", "faked");
$p->fit_textline( $info, $xindent, $y, "");
/* Get the italic angle of the font (/ItalicAngle in the PDF font
* descriptor)
*/
$p->fit_textline("italicangle:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "italicangle", "");
$p->fit_textline($info, $xindent, $y, "");
/* Get the weight of the font (between 100 and 900)
* 400=normal, 700=bold
*/
$p->fit_textline("weight:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "weight", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get the number of CIDs if the font uses a standard CMap */
$p->fit_textline("numcids:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "numcids", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get the number of glyphs in the font */
$p->fit_textline("numglyphs:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "numglyphs", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Get the highest code value for the encoding of the font */
$p->fit_textline("maxcode:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "maxcode", "");
$p->fit_textline( $info, $xindent, $y, "");
/* Unicode value (for Unicode-compatible fonts) or code value
* (for Symbol fonts) of the replacement character of the font
*/
$p->fit_textline("replacementchar:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "replacementchar", "");
if ($info > -1) {
$p->fit_textline("U+00" .
strtoupper(dechex($info)), $xindent, $y, "");
}
/* Get the number of kerning pairs in the font */
$p->fit_textline("kerningpairs:", $x, $y-=$yoffset, "");
$info = $p->info_font($font, "kerningpairs", "");
$p->fit_textline( $info, $xindent, $y, "");
/* 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=font_info.pdf");
print $buf;
} catch (PDFlibException $e) {
die("PDFlib exception occurred:\n".
"[" . $e->get_errnum() . "] " . $e->get_apiname() .
": " . $e->get_errmsg() . "\n");
} catch (Exception $e) {
die($e->getMessage());
}
$p=0;
?>