toShader method

  1. @override
Shader toShader(
  1. Rect rect,
  2. double? colorOpacity
)
override

Implementation

@override
ui.Shader toShader(Rect rect, double? colorOpacity) {
  Offset center = Offset(rect.left + rect.width / 2, rect.top + rect.height / 2);
  double sa = pi * startAngle / 180.0;
  double ea = pi * endAngle / 180.0;
  List<Color> cl = [];
  if (colorOpacity != null) {
    for (var element in colors) {
      cl.add(element.withOpacity(colorOpacity));
    }
  } else {
    cl = colors;
  }
  return ui.Gradient.sweep(center, cl, colorStops, tileMode, sa, ea, matrix4);
}