Example_36

Drawing two map pages first and their contents page last, and adding the pages to the PDF in reading order.
Example_36.pdf — the PDF this example creates.
package examples;

import java.io.*;
import com.pdfjet.*;
import com.pdfjet.fonts.*;

/**
 * Example_36.java
 * This example draws two map pages first and their contents page last, and
 * then adds the pages to the PDF in reading order, with the contents first.
 */
public class Example_36 {
    public Example_36() throws Exception {
        PDF pdf = new PDF(
                new BufferedOutputStream(
                        new FileOutputStream("Example_36.pdf")));
        pdf.setCompliance(Compliance.PDF_UA_1);
        pdf.setTitle("Maps");

        Font f1 = new Font(pdf, IBMPlexSans.Regular);
        Font f2 = new Font(pdf, IBMPlexSans.SemiBold);

        String[] titles = {"Europe", "Spain"};
        String[] files = {"images/ee-map.png", "images/spain-admin.jpg"};
        String[] descriptions = {
                "A map of Europe in which the member states of the European Union are shaded, and Turkey, a candidate to join when the map was made, in another shade.",
                "A map of the 17 autonomous communities of Spain and its two autonomous cities, Ceuta and Melilla, with their capitals.",
        };

        // 1. Draw the map pages. They are detached, so they are not in the PDF yet.
        Page[] mapPages = new Page[titles.length];
        for (int i = 0; i < titles.length; i++) {
            Page page = new Page(pdf, A4.PORTRAIT, Page.DETACHED);

            TextLine title = new TextLine(f2, titles[i]);
            title.setFontSize(24f);
            title.setLocation(50f, 80f);
            title.drawOn(page);

            // Scale the image to the width of the page between the margins.
            Image image = new Image(pdf, files[i]);
            image.setAltDescription(descriptions[i]);
            image.scaleBy((page.getWidth() - 100f) / image.getWidth());
            image.setLocation(50f, 100f);
            image.drawOn(page);

            TextLine footer = new TextLine(f1, "Page " + (i + 2));
            footer.setFontSize(10f);
            footer.setTextColor(Color.dimgray);
            footer.setLocation(50f, page.getHeight() - 40f);
            footer.drawOn(page);

            mapPages[i] = page;
        }

        // 2. Draw the contents page last, now that the map pages are ready.
        Page contents = new Page(pdf, A4.PORTRAIT, Page.DETACHED);

        TextLine text = new TextLine(f2, "Maps");
        text.setStructureType(StructElem.H1);
        text.setFontSize(24f);
        text.setLocation(50f, 80f);
        text.drawOn(contents);

        float y = 130f;
        for (int i = 0; i < titles.length; i++) {
            text = new TextLine(f1, titles[i] + " . . . . . . . . . . page " + (i + 2));
            text.setFontSize(14f);
            text.setLocation(50f, y);
            text.drawOn(contents);
            y += 25f;
        }

        TextBlock textBlock = new TextBlock(f1,
                "This page was drawn after the two map pages, but it is the first page "
                + "of the document, because the pages were created detached and added "
                + "to the PDF in reading order with addPage.");
        textBlock.setFontSize(12f);
        textBlock.setLineSpacing(1.5f);
        textBlock.setTextColor(Color.dimgray);
        textBlock.setLocation(50f, y + 20f);
        textBlock.setWidth(contents.getWidth() - 100f);
        textBlock.drawOn(contents);

        // 3. Add the pages in reading order.
        pdf.addPage(contents);
        for (int i = 0; i < mapPages.length; i++) {
            pdf.addPage(mapPages[i]);
        }

        pdf.complete();
    }

    public static void main(String[] args) throws Exception {
        long time0 = System.currentTimeMillis();
        new Example_36();
        long time1 = System.currentTimeMillis();
        System.out.printf("Example_36 => %4d ms%n", time1 - time0);
    }
}   // End of Example_36.java