Java/PDF RTF/Draw State

PdfContentByte drawing state

   <source lang="java">

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.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfWriter; public class StatePDF {

 public static void main(String[] args) {
   Document document = new Document();
   try {
     PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("StatePDF.pdf"));
     document.open();
     PdfContentByte cb = writer.getDirectContent();
     cb.setColorFill(Color.red);
     cb.circle(250.0f, 500.0f, 250.0f);
     cb.fill();
     cb.saveState();
     
     cb.setColorFill(Color.BLACK);
     cb.circle(350.0f, 500.0f, 200.0f);
     cb.fill();
     cb.saveState();
     
     cb.setColorFill(Color.blue);
     cb.circle(460.0f, 500.0f, 150.0f);
     cb.fill();
     
     cb.restoreState();
     cb.circle(560.0f, 500.0f, 100.0f);
     cb.fill();
     
     cb.restoreState();
     cb.circle(660.0f, 500.0f, 50.0f);
     cb.fill();
   } catch (Exception de) {
     System.err.println(de.getMessage());
   }
   document.close();
 }

}

      </source>