invoice

Hi. I create a pdf file showing one invoice. At the and of the invoice I show the total cost of the invoice as the signature "ΥΠΟΓΡΑΦΗ in Greek" of the client. The problem I have is that I can't make the signature printed under the word "ΥΠΟΓΡΑΦΗ" depends of the lines of invoice. I mean the...

Hi. I create a pdf file showing one invoice. At the and of the invoice I show the total cost of the invoice as the signature "ΥΠΟΓΡΑΦΗ in Greek" of the client. The problem I have is that I can't make the signature printed under the word "ΥΠΟΓΡΑΦΗ" depends of the lines of invoice. I mean the...