ColorMatrixFilter.grayscale constructor
ColorMatrixFilter.grayscale()
Implementation
ColorMatrixFilter.grayscale()
: this([
0.213,
0.715,
0.072,
0,
0.213,
0.715,
0.072,
0,
0.213,
0.715,
0.072,
0,
0,
0,
0,
1
], [
0,
0,
0,
0
]);