| public TallyLit ( int literal ) : bool | ||
| literal | int | Literal value to add to buffer. |
| 리턴 | bool | |
/// <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];
}
}
/// <summary>
/// Set the deflate level (0-9)
/// </summary>
public void SetLevel(int lvl)
{
goodLength = GOOD_LENGTH[lvl];
max_lazy = MAX_LAZY[lvl];
niceLength = NICE_LENGTH[lvl];
max_chain = MAX_CHAIN[lvl];
if (COMPR_FUNC[lvl] != comprFunc)
{
/*
* if (DeflaterConstants.DEBUGGING) {
* Console.WriteLine("Change from " + comprFunc + " to "
+ DeflaterConstants.COMPR_FUNC[lvl]);
+ }
*/
switch (comprFunc)
{
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;
}
comprFunc = COMPR_FUNC[lvl];
}
}
public void SetLevel(int level)
{
//IL_000e: Unknown result type (might be due to invalid IL or missing references)
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)
{
return;
}
switch (compressionFunction)
{
case 0:
if (strstart > blockStart)
{
huffman.FlushStoredBlock(window, blockStart, strstart - blockStart, lastBlock: false);
blockStart = strstart;
}
UpdateHash();
break;
case 1:
if (strstart > blockStart)
{
huffman.FlushBlock(window, blockStart, strstart - blockStart, lastBlock: false);
blockStart = strstart;
}
break;
case 2:
if (prevAvailable)
{
huffman.TallyLit(window[strstart - 1] & 0xFF);
}
if (strstart > blockStart)
{
huffman.FlushBlock(window, blockStart, strstart - blockStart, lastBlock: false);
blockStart = strstart;
}
prevAvailable = false;
matchLen = 2;
break;
}
compressionFunction = DeflaterConstants.COMPR_FUNC[level];
}
