对象有绘制点、字符串、直线、圆弧、椭圆和许多其他形状的方法。

Object has methods to draw points, strings, lines, arcs, ellipses, and many other shapes.

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对于其中的参数曲线的逐点生成，目前的算法在绘制曲线的过程中会出现所绘制点疏密不均的现象。

For the pixel-level generation of parametric curves, we find that the point densities chosen by the existing algorithms are not even along the curves.

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为空间定义的颜色只有几个：stroke用来更改颜色，point用于绘制像素点。

A few colors are defined for the space, stroke is used to change colors, and point is used to draw a pixel.

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