ps_setgray
Sets gray value
Description
bool ps_setgray
( resource $psdoc
, float $gray
)
Parameters
-
psdoc
-
Resource identifier of the postscript file
as returned by ps_new.
-
gray
-
The value must be between 0 (white) and 1 (black).
Return Values
Returns TRUE
on success or FALSE
on failure.