private QuantumType[] GetValueWithoutIndexChannel()
{
if (_Collection == null)
{
return(Value);
}
int index = _Collection.GetIndex(PixelChannel.Index);
if (index == -1)
{
return(Value);
}
List <QuantumType> newValue = new List <QuantumType>(Value);
newValue.RemoveAt(index);
return(newValue.ToArray());
}
/// <summary>
/// Converts the pixel to a color. Assumes the pixel is RGBA.
/// </summary>
/// <returns>A <see cref="MagickColor"/> instance.</returns>
public MagickColor ToColor()
{
QuantumType[] value = GetValueWithoutIndexChannel();
if (value.Length == 0)
{
return(null);
}
if (value.Length == 1)
{
return(new MagickColor(value[0], value[0], value[0]));
}
if (value.Length == 2)
{
return(new MagickColor(value[0], value[0], value[0], value[1]));
}
bool hasBlackChannel = _collection != null && _collection.GetIndex(PixelChannel.Black) != -1;
bool hasAlphaChannel = _collection != null && _collection.GetIndex(PixelChannel.Alpha) != -1;
if (hasBlackChannel)
{
if (value.Length == 4 || !hasAlphaChannel)
{
return(new MagickColor(value[0], value[1], value[2], value[3], Quantum.Max));
}
return(new MagickColor(value[0], value[1], value[2], value[3], value[4]));
}
if (value.Length == 3 || !hasAlphaChannel)
{
return(new MagickColor(value[0], value[1], value[2]));
}
return(new MagickColor(value[0], value[1], value[2], value[3]));
}