pdf_flavors/images_to_pdfa

 * Images to PDF/A:

 * Convert grayscale, CMYK or RGB image files in TIFF or JPEG formats to

 * PDF/A-1b, taking care of color space issues.

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 7

 * Required data: image files

 */

package com.pdflib.cookbook.pdflib.pdf_flavors;

import com.pdflib.pdflib;

import com.pdflib.PDFlibException;

public class images_to_pdfa

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "images_to_pdfa.pdf";

    String title = "Images to PDF/A";

    pdflib p = null;

    String imagefileRGB = "nesrin.jpg";

    String imagefileCMYK = "kraxi_header.tif";

    String imagefileGray = "nesrin_gray.jpg";

    int image, icc;

    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: 1.6 $");

        /* Use sRGB as output intent since it allows the color spaces ICC-based,

         * grayscale, and RGB. CMYK images must be tagged with a suitable CMYK

         * ICC profile.

         */

        p.load_iccprofile("sRGB", "usage=outputintent");

        /* Load an ICC profile for CMYK images */

        icc = p.load_iccprofile("ISOcoated.icc", "");

        if (icc == -1)

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

        p.begin_page_ext(595, 842, "");

        /* We can use an RGB image without any further options since we

         * supplied an RGB output intent profile.

         */

        image = p.load_image("auto", imagefileRGB, "");

        if (image == -1)

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

        p.fit_image(image, 100, 550, "scale=0.5");

        p.close_image(image);

        /* Similarly, we can use a grayscale image without any further options

         * since we supplied an RGB output intent profile.

         */

        image = p.load_image("auto", imagefileGray, "");

        if (image == -1)

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

        p.fit_image(image, 100, 250, "scale=0.5");

        p.close_image(image);

        /* For CMYK images we explicitly assign a CMYK ICC profile */

        image = p.load_image("auto", imagefileCMYK, "iccprofile=" + icc);

        if (image == -1)

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

        p.fit_image(image, 100, 80, "");

        p.close_image(image);

        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();

            }

        }

    }

}