public void Convert(
uint Width,
uint Height,
uint LineSize,
IList <byte> SourceImg,
int SourceTexPos,
ref byte[] DestImg,
Color4UByte[] _)
{
var DestTexPos = 0;
DestImg = new byte[(int)(Width * Height * 8L + 1)];
for (int i = 0, loopTo = (int)(Height - 1L); i <= loopTo; i++)
{
for (int j = 0, loopTo1 = (int)(Width / 2L - 1L);
j <= loopTo1;
j++)
{
BitMath.Split(SourceImg[SourceTexPos],
out var upper4,
out var lower4);
byte IAAlpha;
if (Conversions.ToBoolean(upper4 & 1))
{
IAAlpha = 255;
}
else
{
IAAlpha = 0;
}
var upperIntensity =
(byte)Math.Round(IoUtil.ShiftR(upper4, 1, 3) * FACTOR);
DestImg[DestTexPos] = upperIntensity;
DestImg[DestTexPos + 1] = upperIntensity;
DestImg[DestTexPos + 2] = upperIntensity;
DestImg[DestTexPos + 3] = IAAlpha;
var lowerIntensity =
(byte)Math.Round(IoUtil.ShiftR(lower4, 1, 3) * FACTOR);
if (Conversions.ToBoolean(lower4 & 1))
{
IAAlpha = 255;
}
else
{
IAAlpha = 0;
}
DestImg[DestTexPos + 4] = lowerIntensity;
DestImg[DestTexPos + 5] = lowerIntensity;
DestImg[DestTexPos + 6] = lowerIntensity;
DestImg[DestTexPos + 7] = IAAlpha;
++SourceTexPos;
DestTexPos += 8;
}
SourceTexPos = (int)(SourceTexPos + (LineSize * 8L - Width / 2L));
}
}
public void Convert(
uint Width,
uint Height,
uint LineSize,
IList <byte> SourceImg,
int SourceTexPos,
ref byte[] DestImg,
Color4UByte[] _)
{
var DestTexPos = 0;
DestImg = new byte[(int)(Width * Height * 8L + 1)];
for (int i = 0, loopTo = (int)(Height - 1L); i <= loopTo; i++)
{
for (int j = 0, loopTo1 = (int)(Width - 1L); j <= loopTo1; j++)
{
BitMath.Split(SourceImg[SourceTexPos],
out var upper4,
out var lower4);
var intensity = (byte)(upper4 * FACTOR);
var alpha = (byte)(lower4 * FACTOR);
DestImg[DestTexPos] = intensity;
DestImg[DestTexPos + 1] = intensity;
DestImg[DestTexPos + 2] = intensity;
DestImg[DestTexPos + 3] = alpha;
++SourceTexPos;
DestTexPos += 4;
}
SourceTexPos = (int)(SourceTexPos + (LineSize * 8L - Width));
}
}
