HaruPage::arc
(PECL haru >= 0.0.1)
HaruPage::arc — Append an arc to the current path
说明
HaruPage::arc (
float
$x
,
float $y
,
float $ray
,
float $ang1
,
float $ang2
) :
bool
Appends an arc to the current path.
参数
-
x
-
Horizontal coordinate of the center.
-
y
-
Vertical coordinate of the center.
-
ray
-
The ray of the arc.
-
ang1
-
The angle of the beginning.
-
ang2
-
The angle of the end. Must be greater than
ang1
.
返回值
Returns TRUE
on success.
错误/异常
发生错误时抛出 HaruException 异常。