fonts/font_info

 * 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

 */

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, fontstyle;

    int 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);

        if (p.begin_document(outfile, "") == -1)

            throw new Exception("Error: " + p.get_errmsg());

        p.set_info("Creator", "PDFlib Cookbook");

        p.set_info("Title", title + " $Revision: 1.9 $");

        /* 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 == -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_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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Double.toString(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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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(Integer.toString((int) 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" +

                Integer.toHexString((int) info).toUpperCase(), 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(Integer.toString((int) info), xindent, y, "");

        /* Finish page */

        p.end_page_ext("");

        p.end_document("");

        } catch (PDFlibException e) {

            System.err.print("PDFlib exception occurred:\n");

            System.err.print("[" + e.get_errnum() + "] " + e.get_apiname() +

                ": " + e.get_errmsg() + "\n");

        } catch (Exception e) {

            System.err.println(e.getMessage());

        } finally {

            if (p != null) {

                p.delete();

            }

        }

    }

}