(PECL haru >= 0.0.1)
HaruPage::setRGBStroke — Set stroking color for the page
$r
   , float $g
   , float $b
   )Defines stroking color for the page. All values must be between 0 and 1.
r
g
b
   Returns TRUE on success.
  
Hata durumunda bir HaruException istisnası oluşur.