Example_18

Example that shows how to write "Page X of N" footer on every page.
Example_18.pdf — the PDF this example creates.
/*
 * Example_18.java
 *
 * Copyright (c) 2026 PDFjet Software
 * Licensed under the MIT License. See LICENSE file in the project root.
 */
package examples;

import java.io.*;
import java.util.*;

import com.pdfjet.*;
import com.pdfjet.fonts.*;

/**
 * Example_18.java
 * This example shows how to write "Page X of N" footer on every page.
 */
public class Example_18 {
    public Example_18() throws Exception {
        PDF pdf = new PDF(
                new BufferedOutputStream(new FileOutputStream("Example_18.pdf")));

        Font font = new Font(pdf, IBMPlexSans.Regular);
        float fontSize = 14f;

        List<Page> pages = new ArrayList<Page>();
        Page page = new Page(pdf, A4.PORTRAIT, Page.DETACHED);

        Rect rect = new Rect(50f, 50f, 100f, 100f);
        rect.setFillColor(Color.red);
        rect.drawOn(page);
        pages.add(page);

        page = new Page(pdf, A4.PORTRAIT, Page.DETACHED);
        rect = new Rect(50f, 50f, 100f, 100f);
        rect.setFillColor(Color.green);
        rect.drawOn(page);
        pages.add(page);

        page = new Page(pdf, A4.PORTRAIT, Page.DETACHED);
        rect = new Rect(50f, 50f, 100f, 100f);
        rect.setFillColor(Color.blue);
        rect.drawOn(page);
        pages.add(page);

        for (int i = 0; i < pages.size(); i++) {
            page = pages.get(i);
            String footer = "Page " + (i + 1) + " of " + pages.size();
            page.setBrushColor(Color.black);
            page.drawString(
                    font,
                    fontSize,
                    footer,
                    (page.getWidth() - font.stringWidth(fontSize, footer))/2f,
                    (page.getHeight() - 3f*fontSize/2f));
        }
        pdf.addPages(pages);

        pdf.complete();
    }

    public static void main(String[] args) throws Exception {
        long time0 = System.currentTimeMillis();
        new Example_18();
        long time1 = System.currentTimeMillis();
        System.out.printf("Example_18 => %4d ms%n", time1 - time0);
    }
}   // End of Example_18.java