PDFlib Cookbook

cookbook

textflow/underlined_text updated

Create underlined text.

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/*
 * Underlined Text:
 * 
 * Textline variants:
 * - underlined text with default settings
 * - underlined text with custom underline width and position
 * 
 * Textflow variants:
 * - underlined text with default settings
 * - underlined text with custom underline width and position
 * - underlined text with matchboxes which allow custom visualization
 *
 * 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;
        double y = ury;
        String result;
        int exitcode = 0;

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

        /* Text for the Textflow samples. 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. ";

        /* Text which uses matchboxes for underline decoration
         */

        final String coloredtext = 
            "<matchbox={nodrawleft drawbottom nodrawright nodrawtop borderwidth=1.5 strokecolor=red offsetbottom=-2}>" +
                "Our paper planes" +
            "<matchbox={end}> " +
            "are the " +
            "<matchbox {nodrawleft drawbottom nodrawright nodrawtop borderwidth=1 doubleoffset=2 strokecolor=green offsetbottom=-1}>" +
                "ideal" +
            "<matchbox={end}> " +
            "way of passing the time. We offer " +
            "<matchbox={nodrawleft drawbottom nodrawright nodrawtop borderwidth=1 strokecolor=gray offsetbottom=-2 dasharray {3 2}}>" +
                "re&shy;volu&shy;tionary" +
            "<matchbox={end}> " +
            "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 " +
            "<matchbox={borderwidth=1.5 openrect strokecolor={spotname {PANTONE 123 U} 1} offsetbottom=-1}>" +
                "safe landing" +
            "<matchbox={end}> " +
            "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);

            /* ******************************************************** */
            p.fit_textline("Textline with default underline settings:",
                llx, y, "fillcolor=red");

            p.fit_textline("Our paper planes are the ideal way of passing the time.",
                llx, y-=25, "underline");

            
            /* ******************************************************** */            
            p.fit_textline("Textline with custom underline width and position:",
                llx, y-=50, "fillcolor=red");

            p.fit_textline("Our paper planes are the ideal way of passing the time.",
                llx, y-=25, "underline underlinewidth=3 underlineposition=-40%");

            
            /* ******************************************************** */
            p.fit_textline("Textflow with default underline settings:",
                llx, y-=65, "fillcolor=red");
            
            tf = p.create_textflow(text, optlist + " leading=120% ");
            if (tf == -1)
                throw new Exception("Error: " + p.get_errmsg());
     
            result = p.fit_textflow(tf, llx, lly, urx, y-=10, "");
            if (!result.equals("_stop")) {
                    /* Check for further action */
            }
            p.delete_textflow(tf);


            /* ******************************************************** */
            p.fit_textline("Textflow with custom underline width and position:",
                llx, y-=190, "fillcolor=red");
            
            tf = p.create_textflow(text, optlist + " leading=140% " +
                "underlinewidth=1.5 underlineposition=-30%");
            if (tf == -1)
                throw new Exception("Error: " + p.get_errmsg());        
            
            result = p.fit_textflow(tf, llx, lly, urx, y-=10, "");
            if (!result.equals("_stop")) {
                    /* Check for further action */
            }
            p.delete_textflow(tf);

            
            /* ******************************************************** */
            p.fit_textline("Textflow with custom underlines via matchboxes:",
                llx, y-=220, "fillcolor=red");

            tf = p.create_textflow(coloredtext, optlist  + " leading=120% ");
            if (tf == -1)
                throw new Exception("Error: " + p.get_errmsg());        
            
            result = p.fit_textflow(tf, llx, lly, urx, y-=10, "");
            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);
        }
    }
}