ps_setgray

(PECL ps >= 1.1.0)

ps_setgraySets gray value

˵��

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

Sets the gray value for all following drawing operations.

����

psdoc

Resource identifier of the postscript file as returned by ps_new().

gray

The value must be between 0 (white) and 1 (black).

����ֵ

�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE��

�μ�