(PECL imagick 2.0.0)
ImagickDraw::arc — Draws an arc
$sx
, float $sy
, float $ex
, float $ey
, float $sd
, float $ed
)本函数还未编写文档，仅有参数列表。
Draws an arc falling within a specified bounding rectangle on the image.
sx
Starting x ordinate of bounding rectangle
sy
starting y ordinate of bounding rectangle
ex
ending x ordinate of bounding rectangle
ey
ending y ordinate of bounding rectangle
sd
starting degrees of rotation
ed
ending degrees of rotation
没有返回值。