| private static MakeArgb ( byte alpha, byte red, byte green, byte blue ) : long | ||
| alpha | byte | |
| red | byte | |
| green | byte | |
| blue | byte | |
| return | long | |
private static long MakeArgb(byte alpha, byte red, byte green, byte blue) =>
(long)unchecked((uint)(red << ARGBRedShift |
green << ARGBGreenShift |
blue << ARGBBlueShift |
alpha << ARGBAlphaShift)) & 0xffffffff;
public static Color FromArgb(int alpha, Color baseColor)
{
if (alpha < 0 || alpha > (int)byte.MaxValue)
{
throw new ArgumentOutOfRangeException(nameof(alpha));
}
return(new Color(Color.MakeArgb((byte)alpha, baseColor.R, baseColor.G, baseColor.B)));
}
