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color/spot_color

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/* $Id: spot_color.java,v 1.8 2014/01/30 14:05:23 rjs Exp $

 * Spot color:

 * Define and use several spot colors

 *

 * Define and use a PANTONE spot color.

 * Define and use a HKS spot color.

 * Define and use a custom spot color based on alternate CMYK values.

 *

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

 * Required data: none

 */

package com.pdflib.cookbook.pdflib.color;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


public class spot_color

{

    public static void main (String argv[])

    {

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

        String searchpath = "../input";

        String outfile = "spot_color.pdf";

        String title = "Spot Color";


        pdflib p = null;

        int font, spot;

        int y = 500, x = 30;

        int exitcode = 0;


        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: 1.8 $");

            

            /* Load the font */

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


            if (font == -1)

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

            

            /* Start the page */

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

            

            

            /* ---- Define and use a PANTONE spot color ---- */

            

            /* Define the spot color "PANTONE 281 U" from the builtin color

             * library PANTONE */

            spot = p.makespotcolor("PANTONE 281 U");

            

            /* Set the spot color "PANTONE 281 U" with a tint value of 1 (=100%)

             * and output some text */

            p.setcolor("fill", "spot", spot, 1.0, 0.0, 0.0);

          

            p.fit_textline("PANTONE 281 U spot color with a tint value of 100%",

                x, y -= 30, "font=" + font + " fontsize=16");

            

            /* Set the spot color "PANTONE 281 U" with a tint value of 0.5 (=50%)

             * and output some text */

            p.setcolor("fill", "spot", spot, 0.5, 0.0, 0.0);

            

            p.fit_textline("PANTONE 281 U spot color with a tint value of 50%",

                x, y -= 30, "font=" + font + " fontsize=16");

            

            

            /* ---- Define and use a HKS spot color ---- */

            

            /* Define the spot color "HKS 39 E" from the builtin color library

             * HKS */

            spot = p.makespotcolor("HKS 39 E");

            

            /* Set the spot color "HKS 39 E" with a tint value of 1 (=100%)

             * and output some text */

            p.setcolor("fill", "spot", spot, 1.0, 0, 0);

            

            p.fit_textline("HKS 39 E spot color with a tint value of 100%",

                x, y -= 50, "font=" + font + " fontsize=16");

            

            /* Set the spot color "HKS 38 E" with a tint value of 0.7 (=70%)

             * and output some text */

            p.setcolor("fill", "spot", spot, 0.7, 0, 0);

            

            p.fit_textline("HKS 39 E spot color with a tint value of 70%",

                x, y -= 30, "font=" + font + " fontsize=16");

            

          

            /* ---- Define and use a custom spot color based on a CMYK ----

             * ---- alternate color                                    ---- */

            

            /* Set a CMYK color used as alternate CMYK color for the spot color */

            p.setcolor("fill", "cmyk", 0, 0.2, 0.9, 0);

            

            /* Define a custom spot color called "CompanyLogo" with the alternate

             * CMYK values set above

             */

            spot = p.makespotcolor("CompanyLogo");

            

            /* Now set the spot color "CompanyLogo" with a tint value of 1 and

             * output some text */

            p.setcolor("fill", "spot", spot, 1, 0, 0);

            p.fit_textline("CompanyLogo custom spot color with a tint value of " +

                "100%", x, y -= 50, "font=" + font + " fontsize=16");


            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);

        }

    }

}