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fonts/type3_vectorlogo

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/*

 * $Id: type3_vectorlogo.java,v 1.9 2012/12/10 12:27:37 stm Exp $

 *

 * Type 3 vector logo font:

 * Create a Type 3 font which contains a single logo derived from a vector

 * based PDF page

 *

 * Import vector data from a PDF file to create a Type 3 logo font containing

 * one glyph. Output text with that glyph.

 *

 * Required software: PDFlib+PDI/PPS 9

 * Required data: PDF file

 */

package com.pdflib.cookbook.pdflib.fonts;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


public class type3_vectorlogo {

    public static void main(String argv[]) {

        /* This is where the data files are. Adjust as necessary. */

        String searchpath = "../input";

        String outfile = "type3_vectorlogo.pdf";

        String title = "Type 3 Vector Logo Font";


        pdflib p = null;

        String logofile = "kraxi_logo.pdf";

        int normalfont, logofont, indoc, page;


        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, "") == -1)

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


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

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


            /*

             * 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 == -1)

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


            page = p.open_pdi_page(indoc, 1, "");

            if (page == -1)

                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,

                "colorized");


            /*

             * 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.

             * With colorized=false (the default) we could use 0, 0, 1000, 1000

             * for the common 1000x1000 coordinate system.

             *

             * 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 the info_font() API call.

             */

            p.begin_glyph_ext(-1, "width=1000 glyphname=kraxi");


            /*

             * 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 == -1)

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


            /* Load the "Helvetica" font */

            normalfont = p.load_font("Helvetica", "unicode", "");

            if (normalfont == -1)

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


            /* Start page */

            p.begin_page_ext(0, 0, "width=200 height=100");


            /* Print the glyph "kraxi" of the "LogoFont" font */

            p.fit_textline("&.kraxi;", 10, 50, "font=" + logofont

                            + " fontsize=14 charref");


            /* Print standard text */

            p.fit_textline("This is the kraxi logo.", 30, 50, "font="

                            + normalfont + " fontsize=14");


            /*

             * Alternatively, fetch the PUA value, and address the glyph with

             * the PUA value.

             */

            int kraxi_pua_value = (int) p.info_font(logofont, "unicode",

                                                        "glyphname=kraxi");

            String kraxi_dec_charref = "&#" + kraxi_pua_value + ";";

            p.fit_textline(kraxi_dec_charref, 170, 50, "font=" + logofont

                + " fontsize=14 charref");


            /* 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();

            }

        }

    }

}