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pdfx/starter_pdfx4

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/* $Id: starter_pdfx4.java,v 1.8 2016/12/23 09:18:59 tm Exp $

 *

 * PDF/X-4 starter:

 * Create PDF/X-4 conforming output with layers and transparency

 *

 * A low-level layer is created for each of several languages, as well

 * as an image layer.

 *

 * The document contains transparent text which is allowed in

 * PDF/X-4, but not earlier PDF/X standards.

 *

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

 * Required data: font file, image file, ICC output intent profile

 *                (see www.pdflib.com for ICC profiles)

 */


package com.pdflib.cookbook.pdflib.pdfx;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


class starter_pdfx4 {

    public static void main(String argv[]) {

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

        final String searchpath = "../input";


        pdflib p = null;

        final String imagefile = "zebra.tif";

        String optlist;


        int font, image, icc, gstate;

        int layer_english, layer_german, layer_french, layer_image;

        double width, height;

        int exitcode = 0;


        try {

            p = new pdflib();


            /*

             * Set errorpoliy to return, this means we must check return

             * values of load_font() etc.

             * Set the search path for fonts and images etc.

             */

            p.set_option("errorpolicy=return SearchPath={" + searchpath + "}");


            if (p.begin_document("starter_pdfx4.pdf", "pdfx=PDF/X-4") == -1) {

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

            }


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

            p.set_info("Title", "starter_pdfx4");


            if (p.load_iccprofile("ISOcoated_v2_eci.icc", "usage=outputintent")

                    == -1) {

                System.err.println("Error: " + p.get_errmsg() );

                System.err.println("See www.pdflib.com for ICC profiles.");

                p.delete();

                System.exit(2);

            }


            /*

             * Define the layers. "defaultstate" specifies whether or not

                 * the layer is visible when the page is opened.

                 */


            layer_english = p.define_layer("English text", "defaultstate=true");

            layer_german = p.define_layer("German text", "defaultstate=false");

            layer_french = p.define_layer("French text", "defaultstate=false");


            /* Define a radio button relationship for the language layers.

             */

            optlist = "group={" + layer_english + " " + layer_german + " "

                        + layer_french + "}";

            p.set_layer_dependency("Radiobtn", optlist);


            layer_image = p.define_layer("Images", "defaultstate=true");

           

            p.begin_page_ext(595, 842, "");


            /* Font embedding is required for PDF/X */

            font = p.load_font("LuciduxSans-Oblique", "winansi", "embedding");


            if (font == -1) {

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

            }


            p.setfont(font, 24);


            p.begin_layer(layer_english);


            p.fit_textline("PDF/X-4 starter sample with layers", 50, 700, "");


            p.begin_layer(layer_german);

            p.fit_textline("PDF/X-4 Starter-Beispiel mit Ebenen", 50, 700, "");


            p.begin_layer(layer_french);

            p.fit_textline("PDF/X-4 Starter exemple avec des calques", 50, 700,

                    "");


            p.begin_layer(layer_image);


            p.setfont(font, 48);


            /* The RGB image needs an ICC profile; we use sRGB. */

            icc = p.load_iccprofile("sRGB", "");

            optlist = "iccprofile=" + icc;

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


            if (image == -1) {

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

            }


            /* Place a diagonal stamp across the image area */

            width = p.info_image(image, "width", "");

            height = p.info_image(image, "height", "");


            optlist = "boxsize={" + width + " " + height + "} stamp=ll2ur";

            p.fit_textline("Zebra", 0, 0, optlist);


            /* Set transparency in the graphics state */

            gstate = p.create_gstate("opacityfill=0.5");

            p.set_gstate(gstate);


            /* Place the image on the page and close it */

            p.fit_image(image, (double) 0.0, (double) 0.0, "");

            p.close_image(image);


            /* Close all layers */

            p.end_layer();


            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");

            exitcode = 1;

        }

        catch (Exception e) {

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

            exitcode = 1;

        }

        finally {

            if (p != null) {

                p.delete();

            }

            System.exit(exitcode);

        }

    }

}