how to get color from PDF

"AAA" <always_rick-/[email protected]> Mon, 25 Feb 2008 23:46:27 -0000
Newsgroups gmane.comp.lang.perl.modules.pdfapi2
Message-ID <[email protected]>
Hi All,

if p(x,y) is a dot on the pdf, how can I know its color?

regards

Rick