operator - method
dynamic
operator -( - dynamic other
)
Implementation
operator -(other) {
double red = 0;
double green = 0;
double blue = 0;
double alpha = 0;
if (other is num) {
red = (r - other).clamp(0, 255);
green = (g - other).clamp(0, 255);
blue = (b - other).clamp(0, 255);
alpha = (a - other).clamp(0, 255);
} else {
var c = flatString(other).asColor;
red = (r - c.r).clamp(0, 255);
green = (g - c.g).clamp(0, 255);
blue = (b - c.b).clamp(0, 255);
alpha = (a - c.a).clamp(0, 255);
}
return Color.from(alpha: alpha, red: red, green: green, blue: blue);
}