PDFlib Cookbook

cookbook

textflow/underlined_text

Create underlined text.

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/*
 * Underlined Text:
 * Create underlined text
 * 
 * Place an underlined text line with standard and increased underline width
 * and position. Place a Textflow with several words underlined.
 *
 * Required software: PDFlib/PDFlib+PDI/PPS 9
 * Required data: none
 */
package com.pdflib.cookbook.pdflib.textflow;

import com.pdflib.pdflib;
import com.pdflib.PDFlibException;

public class underlined_text
{
    public static void main (String argv[])
    {
        /* This is where the data files are. Adjust as necessary. */
        final String searchpath = "../input";

        pdflib p = null;

        String outfile = "underlined_text.pdf";
        String title = "Underlined Text";
        int tf = -1, font;
        final double llx= 50, lly=50, urx=500, ury=800;
        String result;
        int exitcode = 0;

        final String optlist =
            "fontname=NotoSerif-Regular fontsize=13 encoding=unicode " +
            "fillcolor={gray 0} alignment=justify charref";

        /* Dummy text for filling the columns. Soft hyphens are marked with the
         * character reference "­" (character references are enabled by the
         * charref option).
         */
        final String text=
             "<underline>Our paper planes<underline=false> are the <underline>" +
             "ideal<underline=false> way of passing the time. We offer " +
             "<underline=true>re&shy;volu&shy;tionary<underline=false> new " +
             "develop&shy;ments of the traditional common paper planes. If your " +
             "lesson, conference, or lecture turn out to be deadly boring, you " +
             "can have a wonderful time with our planes. All our models are " +
             "fol&shy;ded from one paper sheet. They are exclu&shy;sively folded " +
             "with&shy;out using any adhesive. Several models are equipped with " +
             "a folded landing gear enabling a <underline>safe landing" +
             "<underline=false> on the intended loca&shy;tion provided that you " +
             "have aimed well. Other models are able to fly loops or cover long " +
             "distances. Let them start from a vista point in the mountains " +
             "and see where they touch the ground. ";
        
        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);
            
            font = p.load_font("NotoSerif-Regular", "unicode", "");
            if (font == -1)
                throw new Exception("Error: " + p.get_errmsg());
            
            p.begin_page_ext(0, 0, "width=a4.width height=a4.height");
            
            p.setfont(font, 18);
                    
            /* Create a text line with standard underline settings */
            p.fit_textline("Our paper planes are the ideal way of passing the time",
                llx, ury-50, "underline");
            
            /* Create a text line with individual underline settings */
            p.fit_textline("Our paper planes are the ideal way of passing the time",
                llx, ury-100, "underline underlinewidth=3 underlineposition=-40%");
            
            /* Create a Textflow with standard underline settings */
            tf = p.create_textflow(text, optlist);
            if (tf == -1)
                throw new Exception("Error: " + p.get_errmsg());
     
            result = p.fit_textflow(tf, llx, lly-200, urx, ury-200, "");
            if (!result.equals("_stop")) {
                    /* Check for further action */
            }
            p.delete_textflow(tf);
            
            /* Create a Textflow with individual underline settings */
            tf = p.create_textflow(text, optlist + " leading=160% " +
                "underlinewidth=2 underlineposition=-30%");
            if (tf == -1)
                throw new Exception("Error: " + p.get_errmsg());        
            
            result = p.fit_textflow(tf, llx, lly-400, urx, ury-400, "");
            if (!result.equals("_stop")) {
                    /* Check for further action */
            }
            p.delete_textflow(tf);

            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);
        }
    }
}