MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Phrase;
import com.lowagie.text.pdf.ColumnText;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfGState;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfTransparencyGroup;
import com.lowagie.text.pdf.PdfWriter;

public class MainClass {
    public static void main(String[] args) throws Exception {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
        document.open();
        PdfContentByte cb = writer.getDirectContent();
        float gap = (document.getPageSize().width() - 400) / 3;

        pictureCircles(gap, 500, cb);
        cb.saveState();
        PdfGState gs1 = new PdfGState();
        gs1.setFillOpacity(0.5f);
        cb.setGState(gs1);

        cb.resetRGBColorFill();
        ColumnText ct = new ColumnText(cb);
        Phrase ph = new Phrase("Ungrouped objects\nObject opacity = 1.0");
        ct.setSimpleColumn(ph, gap, 0, gap + 200, 500, 18, Element.ALIGN_CENTER);
        ct.go();

        document.close();
    }

    public static void pictureCircles(float x, float y, PdfContentByte cb) {
        cb.setColorFill(Color.red);
        cb.circle(x + 70, y + 70, 50);
        cb.fill();
        cb.setColorFill(Color.yellow);
        cb.circle(x + 100, y + 130, 50);
        cb.fill();
        cb.setColorFill(Color.blue);
        cb.circle(x + 130, y + 70, 50);
        cb.fill();
    }
}