ps_arc

(PECL ps >= 1.1.0)

ps_arc — Draws an arc counterclockwise

Opis

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

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 counterclockwise (use ps_arcn() to draw clockwise). The subpath added to the current path starts on the arc at angle alpha and ends on the arc at angle beta .

Parametry

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 start angle given in degrees.
beta: The end angle given in degrees.

Zwracane wartości

Zwraca TRUE w przypadku powodzenia, FALSE w przypadku błędu.

Zobacz też:

ps_arcn() - Draws an arc clockwise

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Last updated: Fri, 30 Oct 2009