public static P3Float Read(ReadOnlySpan <byte> span)
{
return(new P3Float(
SpanExt.GetFloat(span),
SpanExt.GetFloat(span.Slice(4)),
SpanExt.GetFloat(span.Slice(8))));
}
/// <summary>
/// Extracts a color from binary span.
/// If the span more than 3 bytes, the 4th byte will be interpreted as alpha.
/// Will throw an exception if there is not at least 3 bytes.
/// </summary>
/// <param name="span">Span to read from</param>
/// <param name="binaryType">Format to read the color as</param>
/// <returns>Bytes converted to a Color object</returns>
public static Color ReadColor(this ReadOnlySpan <byte> span, ColorBinaryType binaryType)
{
switch (binaryType)
{
case ColorBinaryType.NoAlpha:
return(Color.FromArgb(
red: span[0],
green: span[1],
blue: span[2],
alpha: 0));
case ColorBinaryType.Alpha:
return(Color.FromArgb(
red: span[0],
green: span[1],
blue: span[2],
alpha: span[3]));
case ColorBinaryType.NoAlphaFloat:
return(Color.FromArgb(
red: GetColorByte(SpanExt.GetFloat(span.Slice(0, 4))),
green: GetColorByte(SpanExt.GetFloat(span.Slice(4, 4))),
blue: GetColorByte(SpanExt.GetFloat(span.Slice(8, 4))),
alpha: 0));
case ColorBinaryType.AlphaFloat:
return(Color.FromArgb(
red: GetColorByte(SpanExt.GetFloat(span.Slice(0, 4))),
green: GetColorByte(SpanExt.GetFloat(span.Slice(4, 4))),
blue: GetColorByte(SpanExt.GetFloat(span.Slice(8, 4))),
alpha: GetColorByte(SpanExt.GetFloat(span.Slice(12, 4)))));
default:
throw new NotImplementedException();
}
}