HaruPage::curveTo3
(PECL haru >= 0.0.1)
HaruPage::curveTo3 — Append a Bezier curve to the current path
说明
HaruPage::curveTo3 (
float
$x1
,
float $y1
,
float $x3
,
float $y3
) :
bool
Appends a Bezier curve to the current path. The point (x1, y1) and the point (x3, y3) are used as the control points for a Bezier curve and current point is moved to the point (x3, y3).
参数
-
x1
-
A Bezier curve control point.
-
y1
-
A Bezier curve control point.
-
x3
-
The current point moves here.
-
x3
-
The current point moves here.
返回值
Returns TRUE
on success.
错误/异常
发生错误时抛出 HaruException 异常。