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Pdf Pattern Painter

import java.awt.Color; import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.pdf.PatternColor; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfPatternPainter; 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();          PdfPatternPainter circle = cb.createPattern(15, 15, 10, 20, Color.blue);     circle.circle(7.5f, 7.5f, 2.5f);     circle.fill();     PatternColor circles = new PatternColor(circle);     cb.setColorFill(circles);     cb.rectangle(252, 716, 72, 72);     cb.fillStroke();          document.close();   } }