public ColorWheelEntry(string name, int min, int max, RGB color)
{
Name = name;
Min = min;
Max = max;
Color = color;
}
public RGB Mix(RGB other, float otherAmount)
{
float thisAmount = 1 - otherAmount;
int red = (int)(otherAmount * other.Red + thisAmount * this.Red);
int green = (int)(otherAmount * other.Green + thisAmount * this.Green);
int blue = (int)(otherAmount * other.Blue + thisAmount * this.Blue);
return new Color.RGB(red, green, blue);
}
public static ColorWheelEntry Load(JObject obj)
{
string name = obj["name"].Value<string>();
byte min= obj["min"].Value<byte>();
byte max = obj["max"].Value<byte>();
string colorString = obj["color"].Value<string>();
int red = int.Parse(colorString.Substring(1, 2), System.Globalization.NumberStyles.AllowHexSpecifier);
int green = int.Parse(colorString.Substring(3, 2), System.Globalization.NumberStyles.AllowHexSpecifier);
int blue = int.Parse(colorString.Substring(5, 2), System.Globalization.NumberStyles.AllowHexSpecifier);
RGB color = new RGB(red, green, blue);
return new ColorWheelEntry(name, min, max, color);
}
/// <summary>
/// Converts YUV to RGB.
/// </summary>
/// <param name="y">Y must be in [0, 1].</param>
/// <param name="u">U must be in [-0.436, +0.436].</param>
/// <param name="v">V must be in [-0.615, +0.615].</param>
public static RGB YUVtoRGB(double y, double u, double v)
{
RGB rgb = new RGB();
rgb.Red = Convert.ToInt32((y + 1.139837398373983740*v)*255);
rgb.Green = Convert.ToInt32((y - 0.3946517043589703515*u - 0.5805986066674976801*v)*255);
rgb.Blue = Convert.ToInt32((y + 2.032110091743119266*u)*255);
return rgb;
}
/// <summary>
/// Converts RGB to CIELab.
/// </summary>
public static CIELab RGBtoLab(RGB rgb)
{
return XYZtoLab( RGBtoXYZ(rgb.Red, rgb.Green, rgb.Blue) );
}
/// <summary>
/// Converts RGB to CIEXYZ.
/// </summary>
public static CIEXYZ RGBtoXYZ(RGB rgb)
{
return RGBtoXYZ(rgb.Red, rgb.Green, rgb.Blue);
}
/// <summary>
/// Converts RGB to YUV.
/// </summary>
public static YUV RGBtoYUV(RGB rgb)
{
return RGBtoYUV(rgb.Red, rgb.Green, rgb.Blue);
}
/// <summary>
/// Converts RGB to CMYK
/// </summary>
public static CMYK RGBtoCMYK(RGB rgb)
{
return RGBtoCMYK(rgb.Red, rgb.Green, rgb.Blue);
}
/// <summary>
/// Converts RGB to HSB.
/// </summary>
public static HSB RGBtoHSB(RGB rgb)
{
return RGBtoHSB(rgb.Red, rgb.Green, rgb.Blue);
}
