/* $Id: type3_vectorlogo.java,v 1.8 2007/10/30 16:16:35 katja 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. Add the glyph to a custom encoding and output text with that
 * glyph.
 *
 * Required software: PDFlib+PDI/PPS 7
 * 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_parameter("SearchPath", searchpath);

        /* This means we must check return values of load_font() etc. */
        p.set_parameter("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: 1.8 $");

        /* Import vector data from "kraxi_logo.pdf" to create the "Logofont"
         * Type 3 font with one glyph "k" (0x6B). Add a glyph to the
         * "LogoEncoding" encoding with the glyphname "kraxi" and the slot
         * "k" (0x6B). Output text containing the glyph by addressing via slot
         * values and "LogoEncoding".
         */

        /* 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");

        /* 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.
         */
        p.begin_glyph("kraxi", 1000, 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=auto");
        p.end_glyph();

        /* 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(".notdef", 1000, 0, 0, 0, 0);
        p.end_glyph();

        p.end_font();

        p.close_pdi_page(page);
        p.close_pdi_document(indoc);

        /* Assign the logo to slot 0x6B in our "LogoEncoding" encoding */
        p.encoding_set_char("LogoEncoding", 0x6B, "kraxi", 0);

        /* Load the new "Logofont" font with the encoding "LogoEncoding" */
        logofont = p.load_font("Logofont", "LogoEncoding", "");
        if (logofont == -1)
            throw new Exception("Error: " + p.get_errmsg());

        /* Load the "Helvetica" font */
        normalfont = p.load_font("Helvetica", "winansi", "");
        if (normalfont == -1)
            throw new Exception("Error: " + p.get_errmsg());

        /* Start page */
        p.begin_page_ext(0, 0, "width=200 height=100");

        /* Print the character "k" (0x6B) of the "Logofont" font */
        p.fit_textline("k", 10, 50, "font=" + logofont + " fontsize=14");

        /* Print standard text */
        p.fit_textline("This is the kraxi logo.", 30, 50, "font=" + normalfont +
                       " fontsize=14");

        /* Alternatively, select the logo glyph via a character reference
         * which refers to the glyph name "kraxi". Use the "charref" option
         * to enable character referencing.
         */
        p.fit_textline("&.kraxi;", 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();
            }
        }
    }
}