PDFlib Cookbook

cookbook

graphics/starter_svg

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/* $Id: starter_svg.java,v 1.2 2013/02/20 11:40:13 stm Exp $
 * Starter SVG:
 * Load SVG graphics and fit into a box
 *
 * Required software: PDFlib/PDFlib+PDI/PPS 9
 * Required data: SVG graphics
 */
package com.pdflib.cookbook.pdflib.graphics;

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

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

        pdflib p = null;
        String graphicsfile = "PDFlib-logo.svg";
        int graphics;
        int x = 100, y = 300;
        int boxwidth = 400, boxheight = 400;
        String optlist;

        try {
            p = new pdflib();

            p.set_option("SearchPath=" + searchpath);

            /* This means we must check return values of load_graphics() etc. */
            p.set_option("errorpolicy=return");

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

            p.set_info("Creator", "PDFlib starter sample");
            p.set_info("Title", "starter_svg");

            /* Load the graphics */
            graphics = p.load_graphics("auto", graphicsfile, "");
            if (graphics == -1)
                throw new Exception("Error: " + p.get_errmsg());

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

            /*
             * ------------------------------------------------------
             * Fit the graphics into a box with proportional resizing
             * ------------------------------------------------------
             */

            /*
             * The "boxsize" option defines a box with a given width and height
             * and its lower left corner located at the reference point.
             * "position={center}" positions the graphics in the center of the
             * box. "fitmethod=meet" resizes the graphics proportionally until
             * its height or width completely fits into the box. The
             * "showborder" option is used to illustrate the borders of the box
             */
            optlist = "boxsize={ " + boxwidth + " " + boxheight
                + "} position={center} fitmethod=meet showborder";

            /*
             * Before actually fitting the graphics we check whether fitting is
             * possible.
             */
            if (p.info_graphics(graphics, "fittingpossible", optlist) == 1) {
                p.fit_graphics(graphics, x, y, optlist);
            }
            else {
                System.err.println("Cannot place graphics: " + p.get_errmsg());
            }

            p.end_page_ext("");

            p.close_graphics(graphics);

            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();
            }
        }
    }
}