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text_output/rotated_text

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/* $Id: rotated_text.java,v 1.16 2013/01/15 10:12:08 stm Exp $

 * Rotated text:

 * Create rotated text lines and Textflows which do not run horizontally,

 * but at some angle

 *

 * Three text lines are generated which are oriented to the west, east, or

 * south. A text line is rotated by 30 degrees. A Textflow is created which

 * is rotated by 30 degrees. A Textflow is generated with a rotation of 30

 * degrees and an orientation to the west.

 *

 * 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 rotated_text

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "rotated_text.pdf";

    String title = "Rotated Text";


    pdflib p = null;

    int font;

    String result;

    int tf = -1;

    String optlist =

        "fontname=Helvetica fontsize=14 encoding=unicode leading=120% charref";


    String textflow =

        "To fold the famous rocket looper proceed as follows:\n" +

        "Take a DIN A4 sheet. Fold it lenghtwise in the middle. Then, fold " +

        "the upper corners down. Fold the long sides inwards that the points " +

        "A and B meet on the central fold. Fold the points C and D that the " +

        "upper corners meet with the central fold as well. Fold the plane in " +

        "the middle. Fold the wings down that they close with the lower " +

        "border of the plane.";


    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: 1.16 $");


        /* Page 1 */

        p.begin_page_ext(595, 842, "");


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


        if (font == -1)

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


        /* Place a text line with an orientation of west, east, or south */

        p.setfont(font, 24);

        p.fit_textline("The famous rocket looper", 100, 500, "orientate=west");


        p.setfont(font, 20);

        p.fit_textline("The famous rocket looper", 200, 500, "orientate=east");


        p.setfont(font, 16);

        p.fit_textline("The famous rocket looper", 300, 500, "orientate=south");


        /* Rotate a text line by 30 degrees */

        p.setfont(font, 16);

        p.fit_textline("The famous rocket looper", 50, 350, "rotate=30");


        /* Place a Textflow with a rotation of 30 degrees */

        tf = p.add_textflow(tf, textflow, optlist);

        if (tf == -1)

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


        result = p.fit_textflow(tf, 250, 50, 400, 400, "rotate=30");

        if (!result.equals("_stop"))

        {

            /* Check for errors or more text to be placed */

        }

        p.delete_textflow(tf);


        p.end_page_ext("");


        /* Page 2 */

        p.begin_page_ext(595, 842, "");


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


        if (font == -1)

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


        /* Set the stroke color to red */

        p.setcolor("stroke", "rgb", 1, 0, 0, 0);


        /* Place a Textflow with a rotation of 30 degrees. Visualize the fitbox

         * of the Textflow with the "showborder" option */

        tf = -1;

        tf = p.add_textflow(tf, textflow, optlist);

        if (tf == -1)

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


        result = p.fit_textflow(tf, 150, 450, 400, 650, "showborder rotate=30");

        if (!result.equals("_stop"))

        {

            /* Check for errors or more text to be placed */

        }

        p.delete_textflow(tf);


        p.fit_textline("rotate=30", 300, 500, "font=" + font + " fontsize=14");


        /* Now, place the Textflow with a rotation of 30 degrees and orientate

         * it to the west

         */

        tf = -1;

        tf = p.add_textflow(tf, textflow, optlist);

        if (tf == -1)

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


        result = p.fit_textflow(tf, 150, 100, 400, 300,

            "showborder rotate=30 orientate west");

        if (!result.equals("_stop"))

        {

            /* Check for errors or more text to be placed */

        }

        p.delete_textflow(tf);


        p.fit_textline("rotate=30  orientate=west", 300, 150, "font=" + font +

            " fontsize=14");


        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();

            }

        }

    }

}