pdf_flavors/text_to_pdfa

 * 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();

            }

        }

    }

}