PDFlib Cookbook

cookbook

textflow/weblink_in_text

Create a Textflow and integrate colorized Web links in the text.

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/*
 * Weblink in Text:
 * Create a Textflow and integrate colorized Web links in the text
 *
 * Using the inline options "matchbox" and "matchbox end" define
 * matchboxes which are used to indicate the pieces of text on which the
 * Web links are to be placed.
 *
 * Required software: PDFlib/PDFlib+PDI/PPS 10
 * Required data: none
 */
package com.pdflib.cookbook.pdflib.textflow;

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

public class weblink_in_text
{
    public static void main (String argv[])
    {
        /* This is where the data files are. Adjust as necessary. */
        String searchpath = "../input";
        String outfile = "weblink_in_text.pdf";
        String title = "Weblink in Text";

        pdflib p = null;
        int act, tf = -1;
        String result, optlist, text;
        int exitcode = 0;

        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);

            /* Create page */
            p.begin_page_ext(0, 0, "width=a4.width height=a4.height");

            /* Create and fit a Textflow with two Web links. Using the inline
             * options "matchbox" and "matchbox end" define the two matchboxes
             * "kraxiweb" and "kraximail" which are used to indicate the pieces of
             * text on which the Web links are to be placed. Provide the matchboxes
             * with particular text color and decoration.
             */
            text =
                "For more information about the Giant Wing Paper Plane see the " +
                "Web site of <underline=true fillcolor=teal strokecolor=teal " +
                "matchbox={name=kraxiweb boxheight={fontsize descender}}>Kraxi " +
                "Systems, Inc.<matchbox=end underline=false fillcolor=black" +
                " strokecolor=black> or contact us by email via " +
                "<matchbox={name=kraximail fillcolor=darkturquoise " +
                "boxheight={ascender descender}}>questions@kraxi.com" +
                "<matchbox=end fillcolor=black>. You'll get all " +
                "information about how to fly the Giant Wing in a thunderstorm " +
                "as soon as possible.";

            optlist =
                "fontname=NotoSerif-Regular fontsize=20 leading=140%";

            tf = p.create_textflow(text, optlist);
            if (tf == -1)
                throw new Exception("Error: " + p.get_errmsg());

            result = p.fit_textflow(tf, 100, 200, 500, 500, "fitmethod=auto");
            if (!result.equals("_stop"))
            {
                /* Check for errors */
            }

            /* Create URI action */
            optlist = "url={http://www.kraxi.com}";
            act = p.create_action("URI", optlist);

            /* Create Link annotation on matchbox "kraxiweb" */
            optlist = "action={activate " + act + 
                "} linewidth=0 usematchbox={kraxiweb}";
            p.create_annotation(0, 0, 0, 0, "Link", optlist);

            /* Create URI action */
            optlist = "url={mailto:questions@kraxi.com}";
            act = p.create_action("URI", optlist);

            /* Create Link annotation on matchbox "kraximail" */
            optlist = "action={activate " + act + 
                "} linewidth=0 usematchbox={kraximail}";
            p.create_annotation(0, 0, 0, 0, "Link", optlist);

            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.toString());
            exitcode = 1;
        } finally {
            if (p != null) {
                p.delete();
            }
            System.exit(exitcode);
        }
    }
}