Java tutorial
import java.io.FileOutputStream; import java.net.URL; import com.lowagie.text.Annotation; import com.lowagie.text.Chunk; import com.lowagie.text.Document; import com.lowagie.text.Image; import com.lowagie.text.PageSize; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfAction; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfWriter; public class SimpleAnnotationsDrawRectangleToShowAnnotation { public static void main(String[] args) { Document document1 = new Document(PageSize.A4, 10, 10, 10, 10); try { PdfWriter writer1 = PdfWriter.getInstance(document1, new FileOutputStream("SimpleAnnotationsDrawRectangleToShowAnnotation.pdf")); writer1.setPdfVersion(PdfWriter.VERSION_1_5); document1.open(); Annotation a = new Annotation("authors", "Text for an annotation", 250f, 250f, 350f, 350f); document1.add(a); // draw rectangles to show where the annotations were added PdfContentByte cb1 = writer1.getDirectContent(); cb1.rectangle(250, 700, 100, 100); cb1.rectangle(250, 550, 100, 100); cb1.rectangle(250, 400, 100, 100); cb1.rectangle(250, 250, 100, 100); cb1.stroke(); } catch (Exception de) { de.printStackTrace(); } document1.close(); } }