center property Null safety

AlignmentGeometry center

The color that correlates to stops entry 0 (the first color) is placed at AlignmentGeometry center, an offset into the (-1,-1) x (1,1) "paintbox" onto which the gradient will be painted.

For example, center: Alignment(0,0) will place the radial gradient in the center of this paintbox. This is a standard known as



final AlignmentGeometry center;