public Tree(DeflaterHuffman dh, int elems, int minCodes, int maxLength)
{
this.dh = dh;
this.minNumCodes = minCodes;
this.maxLength = maxLength;
freqs = new short[elems];
bl_counts = new int[maxLength];
}
/// <summary>
/// Construct instance with pending buffer
/// </summary>
/// <param name="pending">
/// Pending buffer to use
/// </param>>
public DeflaterEngine(DeflaterPending pending)
{
this.pending = pending;
huffman = new DeflaterHuffman(pending);
adler = new Adler32();
window = new byte[2*WSIZE];
head = new short[HASH_SIZE];
prev = new short[WSIZE];
// We start at index 1, to avoid an implementation deficiency, that
// we cannot build a repeat pattern at index 0.
blockStart = strstart = 1;
}