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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();
}
}
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