backdropSaturate method

Widget backdropSaturate(
  1. double value
)

backdrop-saturate - 背景饱和度

Implementation

Widget backdropSaturate(double value) {
  return ColorFiltered(
    colorFilter: ColorFilter.matrix([
      0.213 + 0.787 * value, 0.715 - 0.715 * value, 0.072 - 0.072 * value, 0, 0,
      0.213 - 0.213 * value, 0.715 + 0.2848 * value, 0.072 - 0.072 * value, 0, 0,
      0.213 - 0.213 * value, 0.715 - 0.715 * value, 0.072 + 0.9278 * value, 0, 0,
      0, 0, 0, 1, 0,
    ]),
    child: BackdropFilter(
      filter: ImageFilter.blur(sigmaX: 0, sigmaY: 0),
      child: build(),
    ),
  );
}