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Fixed saving Bit values

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AS3: Automatic Calculating Body parameters
This commit is contained in:
Jindra Pet��k
2011-07-24 20:01:30 +02:00
parent 940a57f5d8
commit 66449bfc6c
153 changed files with 2418 additions and 952 deletions
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trunk/src/com/jpexs/asdec/SWFInputStream.java
+6 -14
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@@ -342,20 +342,12 @@ public class SWFInputStream extends InputStream {
* @throws IOException
*/
public long readSB(int nBits) throws IOException {
long uval = readUB(nBits);
int uval = (int)readUB(nBits);
if ((uval & (1 << (nBits - 1))) > 0) uval |= (0xffffffff << nBits);
int shift = 32-nBits;
// sign extension
uval = (uval << shift) >> shift;
return uval;
/*int sign = (int) (uval >> (nBits - 1));
if (sign == 1) {
long mask = 0;
for (int k = 0; k < nBits; k++) {
mask = mask + (1 << k);
}
return -(((~uval) & mask) + 1);
} else {
return uval;
} */
}
@@ -728,8 +720,8 @@ public class SWFInputStream extends InputStream {
}
int NTranslateBits = (int) readUB(5);
ret.translateNBits = NTranslateBits;
ret.translateX = readSB(NTranslateBits);
ret.translateY = readSB(NTranslateBits);
ret.translateX = (int)readSB(NTranslateBits);
ret.translateY = (int)readSB(NTranslateBits);
alignByte();
return ret;
}