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color/spot_color

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/* $Id: spot_color.java,v 1.7 2013/01/15 10:11:57 stm 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;


    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: 1.7 $");

       

        /* 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");

        } catch (Exception e) {

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

        } finally {

            if (p != null) {

                p.delete();

            }

        }

    }

}