PDFlib Cookbook

cookbook

general/repeated_contents

Create contents which are used identically on multiple pages, such as fixed headers or footers.

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/*
 * Repeated contents:
 * Create contents which are used identically on multiple pages, such as fixed
 * headers or footers.
 * 
 * Create a PDFlib template (which will result in a PDF Form XObject) for
 * a business letter header which holds an image and some text. Then place
 * the template. When placing the template on multiple pages (or multiply on
 * the same page), the actual PDF operators for constructing the template are
 * only included once in the PDF file, thereby saving PDF output file size. 
 * 
 * Required software: PDFlib/PDFlib+PDI/PPS 9
 * Required data: image file
 */
package com.pdflib.cookbook.pdflib.general;

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

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

        pdflib p = null;
        String imagefile = "kraxi_header.tif";
        int i, j, font, templ, image;
        int x = 30, y;
        int pagewidth=595, pageheight=842;
        int exitcode = 0;

        String[][] addresses =
        {
            { "Mr Bee", "3, Rose Gardens", "London" },
            { "Miss Hopper", "26, Shakespeare Road", "Hopperfield" },
            { "Mr Duck", "128, Chapel Hill", "Bournemouth" },
            { "Miss Haley", "50, Virginia Street", "Southport" }
        };

        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");

            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("Helvetica", "unicode", "");

            if (font == -1)
                throw new Exception("Error: " + p.get_errmsg());

            /* Load the image to be contained in the template */
            image = p.load_image("auto", imagefile, "");

            if (image == -1)
                throw new Exception("Error: " + p.get_errmsg());
            
            /* Define a template with a business letter header containing the 
             * image loaded and some text for the sender's address
             */
            templ = p.begin_template_ext(pagewidth, pageheight, "");
            
            /* Place the image into the template */        
            p.fit_image(image, pagewidth-230, pageheight-140, 
                "boxsize={200 100} fitmethod=meet");
            
            /* Place the text into the template */
            p.fit_textline("Kraxi Systems, Inc., 17, Aviation Road, Paperfield",
                30, pageheight-160, "font=" + font + " fontsize=8");
            
            /* Finish the template */
            p.end_template_ext(0, 0);
            
            /* Close the image */
            p.close_image(image);
            
            /* Create four letters consisting of one page each: On each page, place
             * the template with the sender's address information, the individual
             * customer's address as well as some informative text
             */
            for (i = 0; i < 4; i++) {
                p.begin_page_ext(pagewidth, pageheight, "");
                y = pageheight - 165;
            
                /* Place the template on the page, just like using an image */
                p.fit_image(templ,  0.0,  0.0, "");
                
                /* Place the customer address */
                for (j = 0; j < 3; j++) {
                     p.fit_textline(addresses[i][j], x, y-=15,
                             "font=" + font + " fontsize=12");     
                }
            
                /* Place the actual page contents on the page */
                i++;
                p.fit_textline("Dear customer, this is the actual page contents " +
                    "of page " + i + ".", x, y-=80, "font=" + font +
                    " fontsize=12");
                i--;
                p.fit_textline("The image and the sender's address above are " +
                    "part of a template.", x, y -=20, "font=" + font +
                    " fontsize=12");
     
                p.end_page_ext("");
            }
            
            /* If required, place the template on further pages. Then close it. */
            p.close_image(templ);

            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);
        }
    }
}