16. Internal link

CREATE OR REPLACE procedure test16 is
-- Internal link
l_blob blob;
l_filename varchar2(30) := '123.pdf';
l_link number;
begin
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)
l_link := plpdf.CrInternalLink; -- create internal link ID
plpdf.SetPrintFont('Arial',null,12);
plpdf.PrintCell(50,10,'Start point');
plpdf.SetLinkDest(l_link); -- set link destination to the current position
plpdf.NewPage; -- begin a new page, without parameters means: page orientation: default (portrait)
plpdf.PutLink(50,50,50,10,l_link); -- set clikkable area
plpdf.DrawRect(50,50,50,10,'D'); -- draw rectangle
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: test16.prc

Result: test16.pdf