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如何以编程方式绘制凹弧？

[英]How to draw a concave arc programmatically?

原文 2015-01-22 15:46:28 8 1 java/ android/ ondraw

I want to draw a concave arc like on picture on a link. 我想像链接上的图片一样绘制凹弧。 I have to animate this shape by changing its radius and position, so I can't use images. 我必须通过更改其半径和位置来为其设置动画，因此无法使用图像。 So how can I draw this kind of figure with a concave arc on the bottom? 那么如何在底部绘制带有凹弧的图形呢？

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1 个解决方案

I built a general solution for creating / painting arcs, located here . 我在此处构建了用于创建/绘制圆弧的通用解决方案。 The class includes a main method which should help you understand how it works. 该类包括一个主要方法，该方法应有助于您理解其工作方式。