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pdfa/starter_pdfa2b

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/* $Id: starter_pdfa2b.java,v 1.5 2017/01/26 09:00:25 stm Exp $

 *

 * PDF/A-2b starter:

 * Create PDF/A-2b conforming output with layers, transparency and

 * PDF/A attachments.

 *

 * 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.pdfa;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


class starter_pdfa2b {

    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";

        final String attachments[] = { "lionel.pdf", "nesrin.pdf" };

        String optlist;


        int exitcode = 0;

        int font, image, gstate;

        int layer_english, layer_german, layer_french, layer_image;

        int textflow;

        double width, height;

        int i;


        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 + "}");


            /* Initially display the layer panel and show the full page */

            if (p.begin_document("starter_pdfa2b.pdf",

                    "openmode=layers viewerpreferences={fitwindow=true} " +

                    "pdfa=PDF/A-2b") == -1) {

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

            }


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

            p.set_info("Title", "starter_pdfa2b");


            p.load_iccprofile("sRGB", "usage=outputintent");


            /* Define the layers, with only English and image layers switched on. */

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

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

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

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


            /* Define a radio button relationship for the language layers, so

             * only one language can be switched on at a time.

             */

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

                                  + layer_french + "}";

                p.set_layer_dependency("Radiobtn", optlist);


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


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

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


            if (font == -1) {

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

            }


            optlist = "font=" + font + " fontsize=24";

           

            p.begin_layer(layer_english);

            textflow = p.create_textflow(

                    "PDF/A-2b starter sample with layers, transparency " +

                    "and attachments", optlist);

            p.fit_textflow(textflow, 50, 650, 550, 700, "");

            p.delete_textflow(textflow);


            p.begin_layer(layer_german);

            textflow = p.create_textflow(

                    "PDF/A-2b Starter-Beispiel mit Ebenen, Transparenz " +

                    "und Anlagen", optlist);

            p.fit_textflow(textflow, 50, 650, 550, 700, "");

            p.delete_textflow(textflow);

           

            p.begin_layer(layer_french);

            textflow = p.create_textflow(

                    "PDF/A-2b starter exemple avec des calques, " +

                    "de la transparence et des annexes", optlist);

            p.fit_textflow(textflow, 50, 650, 550, 700, "");

            p.delete_textflow(textflow);


            p.begin_layer(layer_image);


            p.setfont(font, 48);


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


            if (image == -1) {

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

            }

           

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

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

           

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

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

            p.close_image(image);


            /* Set transparency in the graphics state */

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

            p.set_gstate(gstate);


            /* Place a transparent diagonal stamp across the image area, in

             * different colors

             */

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

           

            p.begin_layer(layer_english);

            p.setcolor("fill", "Lab", 100, 28, 75, 0);

            p.fit_textline("Transparent text", 0, 0, optlist);


            p.begin_layer(layer_german);

            p.setcolor("fill", "Lab", 33.725, 5, -52, 0);

            p.fit_textline("Transparenter Text", 0, 0, optlist);


            p.begin_layer(layer_french);

            p.setcolor("fill", "Lab", 0, 0, 0, 0);

            p.fit_textline("Texte transparent", 0, 0, optlist);


            /* Close all layers */

            p.end_layer();


            p.end_page_ext("");


            /* Construct option list with attachment handles. The attachments must

             * be PDF/A-1 or PDF/A-2 files.

             */

            optlist = "attachments={";

            for (i = 0; i < attachments.length; i += 1) {

                final int attachment_handle =

                        p.load_asset("Attachment", attachments[i],

                                    "description={This is a PDF/A attachment}");


                if (attachment_handle == -1) {

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

                }


                optlist += " " + attachment_handle;

            }

            optlist += "}";

           

            p.end_document(optlist);

        }

        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);

        }

    }

}