ps_curveto
(PECL ps >= 1.1.0)
ps_curveto — Draws a curve
说明
ps_curveto (
resource
$psdoc
,
float $x1
,
float $y1
,
float $x2
,
float $y2
,
float $x3
,
float $y3
) :
bool
Add a section of a cubic Bézier curve described by the three given control points to the current path.
参数
-
psdoc
-
Resource identifier of the postscript file as returned by ps_new().
-
x1
-
x-coordinate of first control point.
-
y1
-
y-coordinate of first control point.
-
x2
-
x-coordinate of second control point.
-
y2
-
y-coordinate of second control point.
-
x3
-
x-coordinate of third control point.
-
y3
-
y-coordinate of third control point.
返回值
成功时返回 TRUE
, 或者在失败时返回 FALSE
。