public IEnumerable <Color> Process(ulong data)
{
// If color0 > color1, we can store 1 bit alpha
// Otherwise no alpha
var(color0, color1) = ((ushort)data, (ushort)(data >> 16));
var(c0, c1) = (Rgb565.GetColor(color0), Rgb565.GetColor(color1));
for (var i = 0; i < 16; i++)
{
var code = (int)(data >> (32 + 2 * i)) & 3;
if (color0 > color1)
{
yield return(code == 0 ? c0 :
code == 1 ? c1 :
code == 2 ? InterpolateColor(c0, c1, 2, 3) :
Color.Transparent);
}
else
{
yield return(code == 0 ? c0 :
code == 1 ? c1 :
InterpolateColor(c0, c1, 4 - code, 3));
}
}
}
/// <inheritdoc cref="Load"/>
public IEnumerable <Color> Load(byte[] input, EncodingLoadContext loadContext)
{
var br = new BinaryReaderX(new MemoryStream(input), _byteOrder, _bitOrder, 1);
return(ReadValues(br).AsParallel().AsOrdered()
.WithDegreeOfParallelism(loadContext.TaskCount)
.Select(v => _descriptor.GetColor(v)));
}
/// <inheritdoc cref="Load"/>
public IEnumerable <Color> Load(byte[] input, EncodingLoadContext loadContext)
{
var bits = loadContext.Size.Width * loadContext.Size.Height * BitsPerValue;
var length = bits / 8 + (bits % 8 > 0 ? 1 : 0);
return(_readValuesDelegate(input, length).AsParallel().AsOrdered()
.WithDegreeOfParallelism(loadContext.TaskCount)
.Select(v => _descriptor.GetColor(v)));
}
public IEnumerable <Color> Process(ulong data)
{
var(color0, color1) = ((ushort)data, (ushort)(data >> 16));
var(c0, c1) = (Rgb555.GetColor(color0), Rgb565.GetColor(color1));
var method = color0 >> 15;
for (var i = 0; i < 16; i++)
{
var code = (int)(data >> (32 + 2 * i)) & 3;
if (method == 0)
{
yield return(InterpolateColor0(c0, c1, code, 3));
}
else
{
yield return(code == 0 ? Color.Black :
code == 1 ? InterpolateColor1(c0, c1, 1, 4) :
code == 2 ? c0 :
c1);
}
}
}
private ushort FromRgb565ToRgb555(ushort color0)
{
return((ushort)Rgb555.GetValue(Rgb565.GetColor(color0)));
}
