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(PECL ps >= 1.1.0)
ps_curveto — Draws a curve
$psdoc
, float $x1
, float $y1
, float $x2
, float $y2
, float $x3
, float $y3
)Add a section of a cubic Bézier curve described by the three given control points to the current path.
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.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。