(PECL haru >= 0.0.1)
HaruPage::concat — Concatenate current transformation matrix of the page and the specified matrix
$a
   , float $b
   , float $c
   , float $d
   , float $x
   , float $y
   )Concatenates current transformation matrix of the page and the specified matrix.
a
b
c
d
x
y
   Returns TRUE on success.
  
Throws a HaruException on error.