(PECL ps >= 1.1.0)
ps_curveto — Draws a curve
Add a section of a cubic Bézier curve described by the three given control points to the current path.
Resource identifier of the postscript file as returned by ps_new().
x-coordinate of first control point.
y-coordinate of first control point.
x-coordinate of second control point.
y-coordinate of second control point.
x-coordinate of third control point.
y-coordinate of third control point.
성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.