fonts/font_info
Query various properties of a font such as font name, font style, or encoding.
Download Java Code Switch to PHP Code Show Output
/*
* Font info:
* Get various properties of a font such as font name and number of kerning pairs
*
* Use info_font() with various keys and options to retrieve the required font
* information.
*
* Required software: PDFlib/PDFlib+PDI/PPS 10
* Required data: font file
*/
package com.pdflib.cookbook.pdflib.fonts;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
public class font_info
{
public static void main (String argv[])
{
/* This is where the data files are. Adjust as necessary. */
String searchpath = "../input";
String outfile = "font_info.pdf";
String title = "Font Info";
pdflib p = null;
int font;
double info;
String fontname;
String[] tmpname;
int x=20, xindent=150, y=820, yoffset=20;
int exitcode = 0;
try {
p = new pdflib();
/* This means we must check return values of load_font() etc. */
p.set_option("errorpolicy=return");
p.set_option("searchpath={" + searchpath + "}");
if (p.begin_document(outfile, "") == -1)
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("NotoSerif-Regular", "unicode", "");
if (font == -1)
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_string((int) info, "");
p.fit_textline(fontname, xindent, y, "");
}
/* Get the file name for the font outline file. This will be successful
* since in our case the font file name is identical to the font name.
* In other cases the font file name can only be
* retrieved if it has been configured using set_option() and the
* "FontOutline" resource category.
*/
p.fit_textline("fontfile:", x, y-=yoffset, "");
info = p.info_font(font, "fontfile", "");
if (info > -1) {
tmpname = (p.get_string((int) info, "")).split("/");
fontname = tmpname[tmpname.length-1];
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_string((int) info, "");
p.fit_textline(fontname, xindent, y, "");
}
/* Is the font a host font? */
p.fit_textline("hostfont:", x, y-=yoffset, "");
info = p.info_font(font, "hostfont", "");
p.fit_textline(Integer.toString((int) info), xindent, y, "");
/* Is the font a symbol font? */
p.fit_textline("symbolfont:", x, y-=yoffset, "");
info = p.info_font(font, "symbolfont", "");
p.fit_textline(Integer.toString((int) info), xindent, y, "");
/* Will a font subset be created? */
p.fit_textline("willsubset:", x, y-=yoffset, "");
info = p.info_font(font, "willsubset", "");
p.fit_textline(Integer.toString((int) info), xindent, y, "");
/* Will the font be embedded? */
p.fit_textline("willembed:", x, y-=yoffset, "");
info = p.info_font(font, "willembed", "");
p.fit_textline(Integer.toString((int) info), xindent, y, "");
/* Italic angle of the font */
p.fit_textline("italicangle:", x, y-=yoffset, "");
info = p.info_font(font, "italicangle", "");
p.fit_textline(Double.toString(info), xindent, y, "");
/* 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(Integer.toString((int) info), xindent, y, "");
/* Number of glyphs in the font */
p.fit_textline("numglyphs:", x, y-=yoffset, "");
info = p.info_font(font, "numglyphs", "");
p.fit_textline(Integer.toString((int) info), xindent, y, "");
/* Number of kerning pairs in the font */
p.fit_textline("kerningpairs:", x, y-=yoffset, "");
info = p.info_font(font, "kerningpairs", "");
p.fit_textline(Integer.toString((int) info), xindent, y, "");
/* Ascender for the font (at size 1000) */
p.fit_textline("ascender:", x, y-=yoffset, "");
info = p.info_font(font, "ascender", "fontsize=1000");
p.fit_textline(Double.toString(info), xindent, y, "");
/* Descender for the font (at size 1000) */
p.fit_textline("descender:", x, y-=yoffset, "");
info = p.info_font(font, "descender", "fontsize=1000");
p.fit_textline(Double.toString(info), xindent, y, "");
/* Recommended additional line spacing for the font (at font size 1000) */
p.fit_textline("linegap:", x, y-=yoffset, "");
info = p.info_font(font, "linegap", "fontsize=1000");
p.fit_textline(Double.toString(info), xindent, y, "");
/* Finish page */
p.end_page_ext("");
p.end_document("");
} catch (PDFlibException e) {
System.err.println("PDFlib exception occurred:");
System.err.println("[" + e.get_errnum() + "] " + e.get_apiname() +
": " + e.get_errmsg());
exitcode = 1;
} catch (Exception e) {
System.err.println(e);
exitcode = 1;
} finally {
if (p != null) {
p.delete();
}
System.exit(exitcode);
}
}
}