/*
 * Page sizes:
 * Create some pages with various page sizes
 *
 * Create pages with A4 format and Portrait orientation, with A4 format and
 * Landscape orientation, with Letter format and Portrait orientation, and
 * with Letter format and Landscape orientation.
 *
 * Create a page with a size according to the dimensions of the image to be
 * placed on the page.
 *
 * Required software: PDFlib/PDFlib+PDI/PPS 10
 * Required data: image file
 */
package com.pdflib.cookbook.pdflib.pagination;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;

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

        pdflib p = null;
        String imagefile = "nesrin.jpg";
        int image;
        double imagewidth, imageheight;
        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");

            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 a page in A4 format and Portrait orientation */
            p.begin_page_ext(0, 0, "width=a4.width height=a4.height");

            p.fit_textline("A4 format in Portrait orientation.", 50, 50,
                           "fontname=NotoSerif-Bold fontsize=20");
            p.end_page_ext("");

            /* Create a page in A4 format and Landscape orientation */
            p.begin_page_ext(0, 0, "width=a4.height height=a4.width");

            p.fit_textline("A4 format in Landscape orientation.", 50, 50,
                           "fontname=NotoSerif-Bold fontsize=20");
            p.end_page_ext("");

            /* Create a page in Letter format and Portrait orientation */
            p.begin_page_ext(0, 0, "width=letter.width height=letter.height");

            p.fit_textline("Letter format in Portrait orientation.", 50, 50,
                           "fontname=NotoSerif-Bold fontsize=20");
            p.end_page_ext("");

            /* Create a page in Letter format and Landscape orientation */
            p.begin_page_ext(0, 0, "width=letter.height height=letter.width");

            p.fit_textline("Letter format in Landscape orientation.", 50, 50,
                           "fontname=NotoSerif-Bold fontsize=20");
            p.end_page_ext("");

            /* Create a page with a size according to the dimensions of
             * the image to be placed on the page
             */
            image = p.load_image("auto", imagefile, "");
            if (image == -1)
                throw new Exception("Error: " + p.get_errmsg());

            /* Get the width and height of the image */
            imagewidth = p.info_image(image, "imagewidth", "");
            imageheight = p.info_image(image, "imageheight", "");

            /* Start the page with the size of the image to be fit on the page */
            p.begin_page_ext(imagewidth, imageheight, "");

            /* Fit the image */
            p.fit_image(image, 0, 0, "");

            p.close_image(image);
            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);
        }
    }
}