BASKET
Search
PDFlib

/* $Id: starter_image.java,v 1.5 2014/01/30 14:05:25 rjs Exp $

 * Starter image:

 * Load and place an image using various options for scaling and positioning

 *

 * Place the image it its original size.

 * Place the image with scaling and orientation to the west.

 * Fit the image into a box with clipping.

 * Fit the image into a box with proportional resizing.

 * Fit the image into a box entirely.

 *

 * 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 starter_image

{

    public static void main (String argv[])

    {

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

        String searchpath = "../input";

        String outfile = "starter_image.pdf";

        String title = "Starter Image";


        pdflib p = null;

        int exitcode = 0;

        String imagefile = "lionel.jpg";

        int font, image;

        int bw = 400, bh = 200;

        int x = 20, y = 580, yoffset = 260;


        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: 1.5 $");

            

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

            if (font == -1)

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

            

            /* Load the image */

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

            if (image == -1)

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


            /* Start page 1 */

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

            p.setfont(font, 12);

            

            

            /* ------------------------------------

             * Place the image in its original size

             * ------------------------------------

             */

                    

            /* Position the image in its original size with its lower left corner

             * at the reference point (20, 380)

             */

            p.fit_image(image, 20, 380, "");

            

            /* Output some descriptive text */

            p.fit_textline("The image is placed with the lower left corner in " +

                "its original size at reference point (20, 380):", 20, 820, "");

            p.fit_textline("fit_image(image, 20, 380, \"\");", 20, 800, "");

            

            

            /* --------------------------------------------------------

             * Place the image with scaling and orientation to the west

             * --------------------------------------------------------

             */

            

            /* Position the image with its lower right corner at the reference

             * point (580, 20).

             * "scale=0.5" scales the image by 0.5.

             * "orientate=west" orientates the image to the west.

             */

            p.fit_image(image, 580, 20, "scale=0.5 position={right bottom} " +

                "orientate=west");

            

            /* Output some descriptive text */

            p.fit_textline("The image is placed with a scaling of 0.5 and an " +

                    "orientation to the west with the lower right corner", 580, 320,

                "position={right bottom}");

            p.fit_textline(" at reference point (580, 20): fit_image(image, 580, " +

                "20, \"scale=0.5 orientate=west position={right bottom}\");",

                580, 300, "position={right bottom}");

            

            p.end_page_ext("");

            

            /* Start page 2 */

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

            p.setfont(font, 12);

            

            

            /* --------------------------------------

             * Fit the image into a box with clipping

             * --------------------------------------

             */

              

            /* The "boxsize" option defines a box with a given width and height and

             * its lower left corner located at the reference point.

             * "position={right top}" positions the image on the top right of the

             * box.

             * "fitmethod=clip" clips the image to fit it into the box.

             */

            p.fit_image(image, x, y, "boxsize={" + bw + " " + bh + "} " +

                "position={right top} fitmethod=clip");


            /* Output some descriptive text */

            p.fit_textline("fit_image(image, x, y, \"boxsize={400 200} " +

                "position={right top} fitmethod=clip\");", 20, y+bh+10, "");

            

            

            /* ---------------------------------------------------

             * Fit the image 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 image in the center of the

             * box.

             * "fitmethod=meet" resizes the image proportionally until its height

             * or width completely fits into the box.

             * The "showborder" option is used to illustrate the borders of the box.

             */

            p.fit_image(image, x, y-=yoffset, "boxsize={" + bw + " " + bh + "} " +

                "position={center} fitmethod=meet showborder");

            

            /* Output some descriptive text */

            p.fit_textline("fit_image(image, x, y, \"boxsize={400 200} " +

                "position={center} fitmethod=meet showborder\");", 20, y+bh+10, "");

        

            

            /* ---------------------------------

             * Fit the image into a box entirely

             * ---------------------------------

             */

              

            /* The "boxsize" option defines a box with a given width and height and

             * its lower left corner located at the reference point.

             * By default, the image is positioned in the lower left corner of the

             * box.

             * "fitmethod=entire" resizes the image proportionally until its height

             * or width completely fits into the box.

             */

            p.fit_image(image, x, y-=yoffset, "boxsize={" + bw + " " + bh + "} " +

                "fitmethod=entire");

            

            /* Output some descriptive text */

            p.fit_textline("fit_image(image, x, y, \"boxsize={400 200} " +

                "fitmethod=entire\");", 20, y+bh+10, "");

     

            p.end_page_ext("");

            

            p.close_image(image);


            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");

            exitcode = 1;

        } catch (Exception e) {

            System.err.println(e.getMessage());

            exitcode = 1;

        } finally {

            if (p != null) {

                p.delete();

            }

            System.exit(exitcode);

        }

    }

}