Java/PDF RTF/GState

GState Demo

   <source lang="java">

import java.awt.Color; import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfGState; import com.lowagie.text.pdf.PdfWriter; public class GStatePDF {

 public static void main(String[] args) {
   Document document = new Document();
   try {
     PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("GStatePDF.pdf"));
     document.open();
     PdfContentByte cb = writer.getDirectContent();
     PdfGState gs = new PdfGState();
     gs.setFillOpacity(0.5f);
     cb.setGState(gs);
     cb.setColorFill(Color.red);
     cb.circle(360.0f, 500.0f, 250.0f);
     cb.fill();
     gs.setFillOpacity(0.2f);
     cb.setGState(gs);
     cb.setColorFill(Color.blue);
     cb.circle(460.0f, 500.0f, 100.0f);
     cb.fill();
   } catch (Exception e) {
     System.err.println(e.getMessage());
   }
   document.close();
 }

}

      </source>