protected void EncodeRowFromByte(byte[] row)
{
if (row.Length == ImgInfo.SamplesPerRowPacked && !needsPack)
{
// some duplication of code - because this case is typical and it works faster this way
int j = 1;
if (ImgInfo.BitDepth <= 8)
{
foreach (byte x in row) // optimized
{
rowb[j++] = x;
}
}
else
{
// 16 bitspc
foreach (byte x in row) // optimized
{
rowb[j] = x;
j += 2;
}
}
}
else
{
// perhaps we need to pack?
if (row.Length >= ImgInfo.SamplesPerRow && needsPack)
{
ImageLine.PackInplaceByte(ImgInfo, row, row, false); // row is packed in place!
}
if (ImgInfo.BitDepth <= 8)
{
for (int i = 0, j = 1; i < ImgInfo.SamplesPerRowPacked; i++)
{
rowb[j++] = row[i];
}
}
else
{
// 16 bitspc
for (int i = 0, j = 1; i < ImgInfo.SamplesPerRowPacked; i++)
{
rowb[j++] = row[i];
rowb[j++] = 0;
}
}
}
}
public static byte[] Pack(ImageInfo imgInfo, byte[] src, byte[] dst, bool scale)
{
int len0 = imgInfo.SamplesPerRowPacked;
if (dst == null || dst.Length < len0)
{
dst = new byte[len0];
}
if (imgInfo.Packed)
{
ImageLine.PackInplaceByte(imgInfo, src, dst, scale);
}
else
{
Array.Copy(src, 0, dst, 0, len0);
}
return(dst);
}
