colorfiltered flutter black white
# Method 1:
ColorFiltered(
ColorFilter.mode(
Colors.grey,
BlendMode.saturation,
),
child: ...
Source 1: https://medium.com/@samarth_agarwal/turn-images-to-grayscale-in-flutter-the-colorfiltered-widget-16de44cf8045
# Method 2:
const ColorFilter greyscale = ColorFilter.matrix(<double>[
0.2126, 0.7152, 0.0722, 0, 0,
0.2126, 0.7152, 0.0722, 0, 0,
0.2126, 0.7152, 0.0722, 0, 0,
0, 0, 0, 1, 0,
]);
ColorFiltered(
colorFilter: greyscale,
child: ....,
);
Source 2: https://stackoverflow.com/questions/47851690/making-an-image-widget-disabled-grayed-out