| public FlushStoredBlock ( byte stored, int storedOffset, int storedLength, bool lastBlock ) : void | ||
| stored | byte | Data to write |
| storedOffset | int | Index of first byte to write |
| storedLength | int | Count of bytes to write |
| lastBlock | bool | True if this is the last block |
| return | void | |
public void FlushStoredBlock(byte[] stored, int storedOffset, int storedLength, bool lastBlock)
{
#if DebugDeflation
// if (DeflaterConstants.DEBUGGING) {
// //Console.WriteLine("Flushing stored block "+ storedLength);
// }
#endif
pending.WriteBits((DeflaterConstants.STORED_BLOCK << 1) + (lastBlock ? 1 : 0), 3);
pending.AlignToByte();
pending.WriteShort(storedLength);
pending.WriteShort(~storedLength);
pending.WriteBlock(stored, storedOffset, storedLength);
Reset();
}
/// <summary>
/// Set the deflate level (0-9)
/// </summary>
/// <param name="level">The value to set the level to.</param>
public void SetLevel(int level)
{
if ((level < 0) || (level > 9))
{
throw new ArgumentOutOfRangeException("level");
}
goodLength = DeflaterConstants.GOOD_LENGTH[level];
max_lazy = DeflaterConstants.MAX_LAZY[level];
niceLength = DeflaterConstants.NICE_LENGTH[level];
max_chain = DeflaterConstants.MAX_CHAIN[level];
if (DeflaterConstants.COMPR_FUNC[level] != compressionFunction)
{
#if DebugDeflation
if (DeflaterConstants.DEBUGGING)
{
Console.WriteLine("Change from " + compressionFunction + " to "
+ DeflaterConstants.COMPR_FUNC[level]);
}
#endif
switch (compressionFunction)
{
case DEFLATE_STORED:
if (strstart > blockStart)
{
huffman.FlushStoredBlock(window, blockStart,
strstart - blockStart, false);
blockStart = strstart;
}
UpdateHash();
break;
case DEFLATE_FAST:
if (strstart > blockStart)
{
huffman.FlushBlock(window, blockStart, strstart - blockStart,
false);
blockStart = strstart;
}
break;
case DEFLATE_SLOW:
if (prevAvailable)
{
huffman.TallyLit(window[strstart - 1] & 0xff);
}
if (strstart > blockStart)
{
huffman.FlushBlock(window, blockStart, strstart - blockStart, false);
blockStart = strstart;
}
prevAvailable = false;
matchLen = MIN_MATCH - 1;
break;
}
compressionFunction = COMPR_FUNC[level];
}
}
