backdropBrightness method

Widget backdropBrightness(
  1. double value
)

backdrop-brightness - 背景亮度

Implementation

Widget backdropBrightness(double value) {
  return ColorFiltered(
    colorFilter: ColorFilter.matrix([
      1.0 * value, 0, 0, 0, 0,
      0, 1.0 * value, 0, 0, 0,
      0, 0, 1.0 * value, 0, 0,
      0, 0, 0, 1, 0,
    ]),
    child: BackdropFilter(
      filter: ImageFilter.blur(sigmaX: 0, sigmaY: 0),
      child: build(),
    ),
  );
}