HspColor constructor
A color in the HSP color space.
hue
must be >= 0
and <= 360
.
saturation
and perceivedBrightness
must both be >= 0
and <= 100
.
alpha
must be >= 0
and <= 255
.
Implementation
const HspColor(
this.hue,
this.saturation,
this.perceivedBrightness, [
int alpha = 255,
]) : assert(hue >= 0 && hue <= 360),
assert(saturation >= 0 && saturation <= 100),
assert(perceivedBrightness >= 0 && perceivedBrightness <= 100),
assert(alpha >= 0 && alpha <= 255),
super(alpha: alpha);