PDFlib

高度なPDFアプリケーションの開発を支援する定番プログラムライブラリー Supported by インフォテック株式会社

PDFlib サンプル集(クックブック)

本サンプルプログラムは、PDF 文書生成ライブラリーの実装である PDFlib の基本的な機能を実際のプログラムで紹介したものです。

本サイトでダウンロードした PDFlib は、一部機能の制限を除き、評価版として無償でお使いいただけます。

イメージに対する ICC プロファイル

PDFlib で、イメージに ICC プロファイルを適用するサンプルプログラムです。

RGB イメージをインポートして "sRGB" ICC プロファイルを適用します。CMYK イメージをインポートして、"ISOcoated" ICC プロファイルを適用します。

必要な製品:PDFlib または PDFlib+PDI または PPS


/*
 * ICC profile to image:
 * Assign an ICC profile to an image
 * 
 * Load an RGB image without any ICC profile.
 * Apply the "sRGB" ICC profile to an RGB image.
 * Apply the "ISOcoated" ICC profile to a CMYK image.
 *
 * Required software: PDFlib/PDFlib+PDI/PPS 10
 * Required data: RGB image file, CMYK image file, ICC profile
 */
package com.pdflib.cookbook.pdflib.color;

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

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

        pdflib p = null;
        String imagefile;
        int image, icchandle;
        int x = 100, y;
        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);

            /* Start page 1 */
            p.begin_page_ext(0, 0, "width=a4.width height=a4.height");

            // Load and output an RGB image without any ICC profile.
            imagefile = "nesrin.jpg";
            y = 450;

            /*
             * Load the RGB image. In the first example we ignore any ICC profile
             * which might be embedded into the image and also prevent the
             * PDFlib default of "iccprofile=sRGB" for RGB images.
             */
            image = p.load_image("auto", imagefile, "iccprofile=none honoriccprofile=false");
            if (image == -1)
                throw new Exception("Error: " + p.get_errmsg());

            /* Fit the image proportionally into a box */
            p.fit_image(image, x, y, "boxsize={400 300} fitmethod=meet");
            p.fit_textline("RGB image without any ICC profile assigned", x,
                y -= 30, 
                "fontname=NotoSerif-Regular fontsize=14");

            p.close_image(image);

            /*
             * Load and output an RGB image with the "sRGB" ICC profile
             * assigned to it.
             */

            /* Load the RGB image and assign the sRGB profile to it. Since
             * the sRGB profile is available internally in PDFlib it doesn't
             * have to be loaded with p.load_iccprofile().
             * */
            image = p.load_image("auto", imagefile, "iccprofile=sRGB");
            if (image == -1)
                throw new Exception("Error: " + p.get_errmsg());

            /* Fit the image proportionally into a box */
            p.fit_image(image, x, y -= 350, "boxsize={400 300} fitmethod=meet");
            p.fit_textline("RGB image with the \"sRGB\" ICC profile assigned",
                x, y -= 30, 
                "fontname=NotoSerif-Regular fontsize=14");

            p.close_image(image);

            p.end_page_ext("");

            
            /* Start page 2 */
            p.begin_page_ext(0, 0, "width=a4.width height=a4.height");

            /*
             * Load and output a CMYK image without any ICC profile assigned
             * to it.
             */
            imagefile = "nesrin_cmyk.jpg";
            y = 450;

            /*
             * Load the CMYK image. Just for our sample, ignore any ICC profile
             * which might be embedded into the image.
             */
            image = p.load_image("auto", imagefile, "honoriccprofile=false");
            if (image == -1)
                throw new Exception("Error: " + p.get_errmsg());

            /* Fit the image proportionally into a box */
            p.fit_image(image, x, y, "boxsize={400 300} fitmethod=meet");
            p.fit_textline("CMYK image without any ICC profile assigned", x,
                y -= 30, 
                "fontname=NotoSerif-Regular fontsize=14");

            p.close_image(image);

            /*
             * Load and output a CMYK image with the "ISOcoated" ICC profile
             * assigned to it.
             */

            /* Load the ISOcoated profile */
            icchandle = p.load_iccprofile("ISOcoated_v2_eci.icc", "usage=iccbased");
            if (icchandle == -1)
                throw new Exception("Error: " + p.get_errmsg());

            /*
             * Load the CMYK image, ignore any ICC profile which might be
             * embedded in the image, and assign the ISOcoated profile to it.
             */
            image = p.load_image("auto", imagefile, "iccprofile=" + icchandle);
            if (image == -1)
                throw new Exception("Error: " + p.get_errmsg());

            /* Fit the image proportionally into a box */
            p.fit_image(image, x, y -= 350, "boxsize={400 300} fitmethod=meet");
            p.fit_textline(
                "CMYK image with the \"ISOcoated\" ICC profile assigned", x,
                y -= 30, 
                "fontname=NotoSerif-Regular fontsize=14");

            p.close_image(image);

            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);
        }
    }
}
(Apr 3, 2007 - Jun 24, 2024)