Example_32

Drawing source code with highlighted keywords using the TextLine component.
Example_32.pdf — the PDF this example creates.
package examples;

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

/**
 * Example_32.java
 */
public class Example_32 {
    public Example_32() throws Exception {
        PDF pdf = new PDF(
                new BufferedOutputStream(new FileOutputStream("Example_32.pdf")));
        pdf.setCompliance(Compliance.PDF_UA_1);
        pdf.setTitle("The Source Code of Example_02");

        Font font = new Font(pdf, JetBrainsMono.Regular);
        // The longest line of Example_02 is 107 characters: at 8 points a
        // landscape page holds them.
        font.setSize(8f);

        Map<String, Integer> colors = new HashMap<String, Integer>();
        colors.put("new", Color.firebrick);
        colors.put("class", Color.blue);
        colors.put("void", Color.green);
        float[] grayColor = new float[] {0.2f, 0.2f, 0.2f};

        Page page = new Page(pdf, Letter.LANDSCAPE);
        float x = 50f;
        float y = 50f;
        // A heading on the first page, which PAC asks a document for
        new TextLine(font, "The Source Code of Example_02")
                .setStructureType(StructElem.H1)
                .setFontSize(14f)
                .setLocation(x, 32f)
                .drawOn(page);
        float leading = font.getBodyHeight();
        List<String> lines = Content.linesOfTextFile("examples/Example_02.java");
        for (String line : lines) {
            new TextLine(font, line).setTextColor(grayColor).setHighlightColors(colors).setLocation(x, y).drawOn(page);
            y += leading;
            if (y > (page.getHeight() - 20f)) {
                page = new Page(pdf, Letter.LANDSCAPE);
                y = 50f;
            }
        }

        pdf.complete();
    }

    public static void main(String[] args) throws Exception {
        long time0 = System.currentTimeMillis();
        new Example_32();
        long time1 = System.currentTimeMillis();
        System.out.printf("Example_32 => %4d ms%n", time1 - time0);
    }
}   // End of Example_32.java