public AnsState(int capacity, ReversedMemoryStream outputStream, uint initialState)
{
Underlying = initialState;
Capacity = capacity;
//Contained = Capacity;
Output = outputStream;
BitStack = new BitStack();
}
private void WriteEncoding(int blockContentLength, AnsCodingTable blockTable)
{
ReversedMemoryStream reversedStream = new ReversedMemoryStream();
uint initialState = ConstructMask(blockTable.Denominator);
AnsState stateIn = new AnsState(MaskBits, reversedStream, initialState);
for (int i = 0; i < blockContentLength; i++)
{
int row = stateIn.ToInt();
int symbol = Block[i];
var validRows = blockTable[symbol];
while (!validRows.ContainsKey(row))
{
stateIn.PopLower();
row = stateIn.ToInt();
}
stateIn.Underlying = (uint)validRows[row];
}
stateIn.Flush();
reversedStream.ReadToStream(Output);
}