private float GenerateScore(Swatch swatch, Target target)
{
float[] hsl = swatch.GetHsl();
float saturationScore = 0;
float luminanceScore = 0;
float populationScore = 0;
int maxPopulation = _dominantSwatch?.GetPopulation() ?? 1;
if (target.GetSaturationWeight() > 0)
{
saturationScore = target.GetSaturationWeight()
* (1f - Math.Abs(hsl[1] - target.GetTargetSaturation()));
}
if (target.GetLightnessWeight() > 0)
{
luminanceScore = target.GetLightnessWeight()
* (1f - Math.Abs(hsl[2] - target.GetTargetLightness()));
}
if (target.GetPopulationWeight() > 0)
{
populationScore = target.GetPopulationWeight()
* (swatch.GetPopulation() / (float)maxPopulation);
}
return(saturationScore + luminanceScore + populationScore);
}
private bool ShouldBeScoredForTarget(Swatch swatch, Target target)
{
// Check whether the HSL values are within the correct ranges, and this color hasn't
// been used yet.
float[] hsl = swatch.GetHsl();
return(hsl[1] >= target.GetMinimumSaturation() && hsl[1] <= target.GetMaximumSaturation() &&
hsl[2] >= target.GetMinimumLightness() && hsl[2] <= target.GetMaximumLightness() &&
!_usedColors.Get(swatch.GetArgb()));
}
