Android自定义控件入门到精通--Point(点)

《Android自定义控件入门到精通》文章索引 ☞ https://blog.csdn.net/Jhone_csdn/article/details/118146683

《Android自定义控件入门到精通》所有源码 ☞ https://gitee.com/zengjiangwen/Code

Point(点)

图形绘制无外乎点线面，这篇我们来看看Android是如何绘制点的
点的绘制有三个方法：

drawPoint(float x, float y,Paint paint)
drawPoints(float[] pts,Paint paint)
drawPoints(float[] pts, int offset, int count,Paint paint)

drawPoint(float x, float y,Paint paint)

 	@Override
    protected void onDraw(Canvas canvas) {
   
        //设置画笔描边宽度6