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Correcting behavior when the clear dictionary code is received (0x100).

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This commit is contained in:
Robert Greene 2008-06-27 18:42:26 +00:00
parent aad7071358
commit f11ba01ee2
1 changed files with 6 additions and 15 deletions
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21
src/com/webcodepro/shrinkit/io/LzwInputStream.java
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@ -74,7 +74,12 @@ public class LzwInputStream extends InputStream {
return; return;
} }
if (k == 0x100) { if (k == 0x100) {
clearDictionary(); dictionary = null;
is.setRequestedNumberOfBits(9);
k = 0;
w = null;
entry = null;
newBuffer = true;
fillBuffer(); // Warning: recursive call fillBuffer(); // Warning: recursive call
return; return;
} }
@ -115,20 +120,6 @@ public class LzwInputStream extends InputStream {
newBuffer = true; newBuffer = true;
} }
// /**
// * Provide necessary housekeeping to reset LZW stream between NuFX buffer changes.
// * The dictionary is the only item that is not cleared -- that needs to be done
// * explicitly since behavior between LZW/1 and LZW/2 differ.
// */
// public void resetState() {
// is.clearRemainingBitsOfData();
// outputBuffer.clear();
// k = 0;
// w = null;
// entry = null;
// newBuffer = true;
// }
/** /**
* Provide necessary housekeeping to reset LZW stream between NuFX buffer changes. * Provide necessary housekeeping to reset LZW stream between NuFX buffer changes.
* The dictionary is the only item that is not cleared -- that needs to be done * The dictionary is the only item that is not cleared -- that needs to be done