public static long GetEuclideanDistance(ColorModelComponents distance /*ColorModel model, Color requestedColor, Color targetColor*/)
{
// var comps = GetColorComponentsDistance(model, requestedColor, targetColor);
var result = distance.ComponentA * distance.ComponentA + distance.ComponentB * distance.ComponentB +
distance.ComponentC * distance.ComponentC;
if (distance.ComponentD.HasValue)
{
result += distance.ComponentD.Value * distance.ComponentD.Value;
}
return((long)result);
}
public static ColorModelComponents GetColorComponentsDistance(ColorModel model, Color sourceColor, Color targetColor)
{
var sourceComponents = GetColorComponents(model, sourceColor);
var targetComponents = GetColorComponents(model, targetColor);
var distance = new ColorModelComponents(
sourceComponents.ComponentA - targetComponents.ComponentA,
sourceComponents.ComponentB - targetComponents.ComponentB,
sourceComponents.ComponentC - targetComponents.ComponentC);
if (sourceComponents.ComponentD.HasValue && targetComponents.ComponentD.HasValue)
{
distance.ComponentD = sourceComponents.ComponentD - targetComponents.ComponentD;
}
return(distance);
}
