invert constant
ColorFilter
const invert
A color filter that inverts the colors of the content.
This filter applies a color matrix that negates all three color channels and inverts the alpha channel, effectively inverting the colors of the content.
Implementation
static const ColorFilter invert = ColorFilter.matrix(<double>[
-1, 0, 0, 0, 255, //
0, -1, 0, 0, 255, //
0, 0, -1, 0, 255, //
0, 0, 0, 1, 0, //
]);