ps_arcn

(PECL ps >= 1.1.0)

ps_arcnDraws an arc clockwise

说锟斤拷

ps_arcn ( resource $psdoc , float $x , float $y , float $radius , float $alpha , float $beta ) : bool

Draws a portion of a circle with at middle point at (x, y). The arc starts at an angle of alpha and ends at an angle of beta. It is drawn clockwise (use ps_arc() to draw counterclockwise). The subpath added to the current path starts on the arc at angle beta and ends on the arc at angle alpha.

锟斤拷锟斤拷

psdoc

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

x

The x-coordinate of the circle's middle point.

y

The y-coordinate of the circle's middle point.

radius

The radius of the circle

alpha

The starting angle given in degrees.

beta

The end angle given in degrees.

锟斤拷锟斤拷值

锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷

锟轿硷拷

  • ps_arc() - Draws an arc counterclockwise