31. DrawPolygon

CREATE OR REPLACE procedure test31 is
-- DrawPolygon
   ---------------

  l_blob blob;
  l_filename varchar2(30) := '123.pdf';
  l_points plpdf_type.t_points;
 begin
    for l_i in 1..10 loop
     l_points(l_i).x := dbms_random.value(10,100);
     l_points(l_i).y := dbms_random.value(10,100);
    end loop;
    plpdf.init; -- initialize, without parameters means: page orientation: portrait, unit: mm, default page format: A4
    plpdf.NewPage; -- begin a new page, without parameters means: page orientation: default (portrait)
    plpdf.DrawPolygon(l_points);
    plpdf.SendDoc(l_blob); -- create content
 
 -- print
 /*
 owa_util.mime_header('application/pdf',false);
        htp.p('Content-Disposition: inline; filename="' || l_filename || '"'); 
        htp.p('Content-Length: ' || dbms_lob.getlength(l_blob));
        owa_util.http_header_close;  
        wpg_docload.download_file(l_blob);
        */
   
 -- or store
 insert into STORE_BLOB (blob_file, created_date) values (l_blob, sysdate);
 commit;
 end;
/

Source: test31.prc

Result: test31.pdf