adjustColoration method Null safety

void adjustColoration(
  1. int color,
  2. [num strength = 1.0]
)

Implementation

void adjustColoration(int color, [num strength = 1.0]) {
  final num r = colorGetR(color) * strength / 255.0;
  final num g = colorGetG(color) * strength / 255.0;
  final num b = colorGetB(color) * strength / 255.0;
  final num i = 1.0 - strength;

  _concat([
    r * _lumaR + i,
    r * _lumaG,
    r * _lumaB,
    0.0,
    g * _lumaR,
    g * _lumaG + i,
    g * _lumaB,
    0.0,
    b * _lumaR,
    b * _lumaG,
    b * _lumaB + i,
    0.0,
    0.0,
    0.0,
    0.0,
    1.0
  ], [
    0,
    0,
    0,
    0
  ]);
}