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text_output/avoid_linebreaking

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/* $Id: avoid_linebreaking.java,v 1.5 2013/01/15 10:12:08 stm Exp $

 * Avoid line breaking:

 * Create a Textflow and define various options for line breaking

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 9

 * Required data: none

 */

package com.pdflib.cookbook.pdflib.text_output;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


public class avoid_linebreaking

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "avoid_linebreaking.pdf";

    String title = "Avoid Line Breaking";


    pdflib p = null;

    int tf = -1, tf_avoid = -1, font;

    String result, optlist, text, text_avoid;


    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");


        /* Set an output path according to the name of the topic */

        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: 1.5 $");


        /* Create an A4 Landscape page */

        p.begin_page_ext(0, 0, "width=a4.height height=a4.width");


        /* Load the font */

        font = p.load_font("Helvetica-Bold", "unicode", "");

        if (font == -1)

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

       

        p.setfont(font, 12);

       

        /* ---------------------------------------------------------------------

         * Output text which does not contain any options to avoid line breaking

         * ---------------------------------------------------------------------

         */

        text = "For more information about the Giant Wing Paper Plane see " +

            "our Web site <underline=true>www.kraxi-systems.com" +

            "<underline=false>.<nextline>Alternatively, contact us by email " +

            "via <underline=true>questions@kraxi-systems.com" +

            "<underline=false>. You'll get all information about how to fly " +

            "the Giant Wing in a thunderstorm as soon as possible.";

     

        p.fit_textline("Text without any options to avoid line breaking",

            50, 430, "");


        /* Create the Textflow from the text */

        optlist = "fontname=Helvetica fontsize=20 encoding=unicode " +

            "leading=140%";

        tf = p.create_textflow(text, optlist);

        if (tf == -1)

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

       

        result = p.fit_textflow(tf, 50, 100, 300, 400,

            "fitmethod=auto showborder");

        if (!result.equals("_stop"))

        {

            /* Check for errors */

        }

        p.delete_textflow(tf);

       

       

        /* --------------------------------------------------------------

         * Output the same text but with additional options to avoid line

         * breaking

         * --------------------------------------------------------------

         */

       

        /* Text containing options to avoid any line breaking in the Web

         * address with "<avoidbreak>...<noavoidbreak>" and to avoid any line

         * breaking after the "-" and "." characters in the email address with

         * "charclass={letter {- .}}>...<charclass=default>".

         */

        text_avoid = "For more information about the Giant Wing Paper Plane " +

            "see our Web site <underline=true avoidbreak>" +

            "www.kraxi-systems.com<underline=false noavoidbreak>.<nextline>" +

            "Alternatively, contact us by email via <underline=true " +

            "charclass={letter {- .}}>questions@kraxi-systems.com" +

            "<charclass={default {- .}} underline=false>. You'll get all " +

            "information about how to fly the Giant Wing in a thunderstorm " +

            "as soon as possible.";

       

        p.fit_textline("Text with \"charclass\" and \"avoidbreak\" options",

            450, 430, "");

       

        /* Create the Textflow from the text */

        tf_avoid = p.create_textflow(text_avoid, optlist);

        if (tf_avoid == -1)

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


        result = p.fit_textflow(tf_avoid, 450, 100, 700, 400,

            "fitmethod=auto showborder");

        if (!result.equals("_stop"))

        {

            /* Check for errors */

        }

        p.delete_textflow(tf_avoid);


        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();

            }

        }

    }

}