此方法绘制经过数组中每个点的基数样条。
This method draws a cardinal spline that passes through each point in the array.
此方法绘制经过数组中每个点的闭合基数样条。
This method draws a closed cardinal spline that passes through each point in the array.
此方法填充经过该数组中每一点的闭合基数样条的内部。
This method fills the interior of a closed cardinal spline that passes through each point in the array.
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