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PDFlib

/* $Id: starter_image.java,v 1.4 2013/01/15 10:11:59 stm 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;

    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: 1.4 $");

       

        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");

        } catch (Exception e) {

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

        } finally {

            if (p != null) {

                p.delete();

            }

        }

    }

}