@Leadwerks: Thanks, but I mean drawing cirle with mouse in pdf file on screen, not on a physical document. So, I don't need a highlight pen.
@Mortiis: Thanks, it is useful to generate pdf file, but given a pdf file, how could I add a circle in pdf visually?
Any ideas?
@Mortiis: Thanks, it is useful to generate pdf file, but given a pdf file, how could I add a circle in pdf visually?
Any ideas?