/// <summary>
/// Initializes a new instance of the <see cref="CmykColor"/> struct.
/// </summary>
/// <param name="color">
/// The <see cref="System.Drawing.Color"/> to initialize from.
/// </param>
private CmykColor(Color color)
{
CmykColor cmykColor = color;
this.c = cmykColor.c;
this.m = cmykColor.m;
this.y = cmykColor.y;
this.k = cmykColor.k;
}
/// <summary>
/// Adds colors together using the CMYK color format.
/// </summary>
/// <param name="color">
/// The color to add to.
/// </param>
/// <param name="colors">
/// The colors to add to the initial one.
/// </param>
/// <returns>
/// The combined <see cref="CmykColor"/>.
/// </returns>
public static CmykColor AddAsCmykColor(this Color color, params Color[] colors)
{
CmykColor cmyk = color;
float c = color.A > 0 ? cmyk.C : 0;
float m = color.A > 0 ? cmyk.M : 0;
float y = color.A > 0 ? cmyk.Y : 0;
float k = color.A > 0 ? cmyk.K : 0;
foreach (Color addColor in colors)
{
if (addColor.A > 0)
{
CmykColor cmykAdd = addColor;
c += cmykAdd.C;
m += cmykAdd.M;
y += cmykAdd.Y;
k += cmykAdd.K;
}
}
return(CmykColor.FromCmykColor(c, m, y, k));
}
