(PECL ps:1.1.0-1.3.5)
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.
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.