images/frame_around_image

 * Frame around image:

 * Draw a frame around an image

 *

 * Place an image and draw a thick border around it using the "matchbox" option

 * and its "borderwidth" and "offset" suboptions.

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 9

 * Required data: image file

 */

package com.pdflib.cookbook.pdflib.images;

import com.pdflib.pdflib;

import com.pdflib.PDFlibException;

public class frame_around_image

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "frame_around_image.pdf";

    String title = "Frame around Image";

    pdflib p = null;

    String imagefile = "nesrin.jpg";

    int image;

    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 + " $Revision: 1.4 $");

        /* Start page */

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

        /* Load the image */

        image = p.load_image("auto", imagefile, "");

        if (image == -1)

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

        /* Define the option list for fit_image():

         * Place the image in the center of a box using the "boxsize" and

         * "position" options. Maintain its proportions using "fitmethod=meet".

         * Use the "matchbox" option with the "borderwidth" suboption to draw a

         * thick rectangle around the image. The "strokecolor" suboption

         * determines the border color, and the "linecap" and "linejoin"

         * suboptions are used to round the corners. The matchbox is always

         * drawn before the image which means it would be hidden by the image.

         * To avoid this use the "offset" suboptions with 50 percent of the

         * border width to enlarge the frame beyond the area covered by the

         * image.

         */

        String optlist =

                "boxsize={400 300} position={center} fitmethod=meet " +

            "matchbox={borderwidth=10 offsetleft=-5 offsetright=5 " +

            "offsetbottom=-5 offsettop=5 linecap=round linejoin=round " +

            "strokecolor {rgb 0.0 0.3 0.3}}";

        /* Fit the image using the option list defined above */

        p.fit_image(image, 200, 150, optlist);

        p.close_image(image);

        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();

            }

        }

    }

}