php 한글 메뉴얼 도움말 검색 사이트 Draws an arc counterclockwise [function.ps-arc]

설명

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.

인수

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.

반환값

성공 시 TRUE를, 실패 시 FALSE를 반환합니다.

참고

ps_arcn() - Draws an arc clockwise