hueAdjustMatrix static method
Implementation
static List<double> hueAdjustMatrix({double? value}) {
value = value! * pi;
if (value == 0)
return [
1,0,0,0,0,
0,1,0,0,0,
0,0,1,0,0,
0,0,0,1,0,
];
double cosVal = cos(value);
double sinVal = sin(value);
double lumR = 0.213;
double lumG = 0.715;
double lumB = 0.072;
return List<double>.from(<double>[
(lumR + (cosVal * (1 - lumR))) + (sinVal * (-lumR)), (lumG + (cosVal * (-lumG))) + (sinVal * (-lumG)), (lumB + (cosVal * (-lumB))) + (sinVal * (1 - lumB)), 0, 0, (lumR + (cosVal * (-lumR))) + (sinVal * 0.143), (lumG + (cosVal * (1 - lumG))) + (sinVal * 0.14), (lumB + (cosVal * (-lumB))) + (sinVal * (-0.283)), 0, 0, (lumR + (cosVal * (-lumR))) + (sinVal * (-(1 - lumR))), (lumG + (cosVal * (-lumG))) + (sinVal * lumG), (lumB + (cosVal * (1 - lumB))) + (sinVal * lumB), 0, 0, 0, 0, 0, 1, 0,
]).map((i) => i.toDouble()).toList();
}