/*
 * 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);
        
        /* 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.println("PDFlib exception occurred:");
            System.err.println("[" + e.get_errnum() + "] " + e.get_apiname() +
                ": " + e.get_errmsg());
        exitcode = 1;
        } catch (Exception e) {
            System.err.println(e);
        exitcode = 1;
        } finally {
            if (p != null) {
                p.delete();
            }
        System.exit(exitcode);
        }
    }
}