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ps_curveto

(PECL ps >= 1.1.0)

ps_curveto — Draws a curve

說(shuō)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.

參數

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

成功時(shí)返回 true， 或者在失敗時(shí)返回 false。

參見(jiàn)

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