public int RGBtoV(byte r, byte g, byte b)
{
int delta;
int v;
byte temp = Math.Max(r, g);
byte max = Math.Max(b, temp);
byte min;
temp = Math.Min(r, g);
min = Math.Min(temp, b);
v = max;
return v;
}
public int RGBtoH(byte r, byte g, byte b)
{
int delta;
int h;
byte temp = Math.Max(r, g);
byte max = Math.Max(b, temp);
byte min;
temp = Math.Min(r, g);
min = Math.Min(temp, b);
delta = max - min;
if (max != 0)
{
}
else
{
return -1;
}
if (r == max)
{
h = (g - b) / delta; // between yellow & magenta
}
else if (g == max)
{
h = 2 + (b - r) / delta; // between cyan & yellow
}
else
{
h = 4 + (r - g) / delta; // between magenta & cyan
}
h *= 60; // degrees
if (h < 0)
{
h += 360;
}
return h;
}