php man page for ps_setgray

PS_SETGRAY(3)								 1							     PS_SETGRAY(3)

ps_setgray - Sets gray value

SYNOPSIS
       bool ps_setgray (resource  $psdoc, float  $gray)

DESCRIPTION
	Sets the gray value for all following drawing operations.

PARAMETERS
	      o $psdoc
		- Resource identifier of the postscript file as returned by ps_new(3).

	      o $gray
		- The value must be between 0 (white) and 1 (black).

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

SEE ALSO
       ps_setcolor(3).

PHP Documentation Group 													     PS_SETGRAY(3)