/* $Id: text_to_pdfa.java,v 1.8 2007/10/30 16:16:36 katja Exp $
 * Text to PDF/A:
 * Output text conforming to PDF/A-1b, taking care of color space and font
 * issues
 *
 * Required software: PDFlib/PDFlib+PDI/PPS 7
 * Required data: font file
 */
package com.pdflib.cookbook.pdflib.pdf_flavors;

import com.pdflib.pdflib;
import com.pdflib.PDFlibException;

public class text_to_pdfa
{
    public static void main (String argv[])
    {
    /* This is where the data files are. Adjust as necessary. */
    String searchpath = "../input";
    String outfile = "text_to_pdfa.pdf";
    String title = "Text to PDF/A";

    pdflib p = null;
    int font, x = 30, y = 800;

    try {
        p = new pdflib();

        p.set_parameter("SearchPath", searchpath);

        /* This means we must check return values of load_font() etc. */
        p.set_parameter("errorpolicy", "return");

        /* Output all contents conforming to PDF/A-1b */
        if (p.begin_document(outfile, "pdfa=PDF/A-1b:2005") == -1)
        throw new Exception("Error: " + p.get_errmsg());
        
        p.set_info("Creator", "PDFlib Cookbook");
        p.set_info("Title", title + " $Revision: 1.8 $");

        /* Use sRGB as output intent since it allows the color spaces CIELab,
         * ICC-based, Grayscale, and RGB
         */
        p.load_iccprofile("sRGB", "usage=outputintent");
        
        p.begin_page_ext(595, 842, "");

        /* Load the font "LuciduxSans-Oblique" with embedding, since font
         * embedding is required for PDF/A
         */
        font = p.load_font("LuciduxSans-Oblique", "unicode", "embedding");
        if (font == -1)
            throw new Exception("Error: " + p.get_errmsg());
        
        p.setfont(font, 20);
    
        /* You might want to embed a PDF core font, e.g. "Helvetica". For a PDF
         * core font, the font metrics are already built into PDFlib, but
         * the font outline file has to be explicitly configured with the
         * "FontOutline" ressource category, e.g.
         * 
         * p.set_parameter("FontOutline", "Helvetica=HV______.pfb");
         * 
         */
        
        /* We can use RGB text without any further color related options since
         * we already supplied an output intent profile.
         */
        p.setcolor("fill", "rgb", 0.7, 0.3, 0.3, 0);
      
        p.fit_textline("Text with an RGB color conforming to PDF/A-1b:2005",
            x, y-=100, "");
      
        /* Similarly, we can use Grayscale text without any further options
         * since we already supplied an output intent profile.
         */
        p.setcolor("fill", "gray", 0.5, 0, 0, 0);
 
        p.fit_textline("Text with a Grayscale color conforming to " +
            "PDF/A-1b:2005", x, y-=100, "");
       
        /* For CMYK text we could use an ICC profile explicitly assigned; the 
         * code would be as follows:
         *
         * icc = p.load_iccprofile("ISOcoated.icc", "usage=iccbased");
         * p.set_value("setcolor:iccprofilecmyk", icc);
         * p.setcolor("fill", "iccbasedcmyk", 0.6, 0.6, 0, 0);
         * p.fit_textline("Text with a CMYK color conforming to PDF/A-1b:2005",
         *     x, y-=100, "");
         * 
         */

        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();
            }
        }
    }
}