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    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

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