Php/docs/function.ps-curveto

• PHP Manual
• PS 函数
• Draws a curve

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。

参见

• ps_lineto() - Draws a line