mudhorn/zxing
1
0
Fork 0
mirror of https://github.com/zxing/zxing.git synced 2024-11-10 04:54:04 -08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Issue 882 few more small DM issues

Browse source 
git-svn-id: https://zxing.googlecode.com/svn/trunk@1865 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2011-07-23 14:43:37 +00:00
parent 13f529aa80
commit 645a03c6a5
2 changed files with 10 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
core/src/com/google/zxing/common/BitSource.java
View file

@ -20,7 +20,7 @@ package com.google.zxing.common;
* <p>This provides an easy abstraction to read bits at a time from a sequence of bytes, where the
* number of bits read is not often a multiple of 8.</p>
*
* <p>This class is thread-safe but not reentrant. Unless the caller modifies the bytes array
* <p>This class is thread-safe but not reentrant -- unless the caller modifies the bytes array
* it passed in, in which case all bets are off.</p>
*
* @author Sean Owen
@ -39,6 +39,13 @@ public final class BitSource {
this.bytes = bytes;
}
/**
* @return index of next byte in input byte array which would be read by the next call to {@link #readBits(int)}.
*/
public int getByteOffset() {
return byteOffset;
}
/**
* @param numBits number of bits to read
* @return int representing the bits read. The bits will appear as the least-significant

4
core/src/com/google/zxing/datamatrix/decoder/DecodedBitStreamParser.java
View file

@ -235,7 +235,7 @@ final class DecodedBitStreamParser {
result.append(c40char);
}
} else if (cValue == 27) { // FNC1
throw FormatException.getFormatInstance();
// ignore
} else if (cValue == 30) { // Upper Shift
upperShift = true;
} else {
@ -437,7 +437,7 @@ final class DecodedBitStreamParser {
private static void decodeBase256Segment(BitSource bits, StringBuffer result, Vector byteSegments)
throws FormatException {
// Figure out how long the Base 256 Segment is.
int codewordPosition = 2;
int codewordPosition = 1 + bits.getByteOffset(); // position is 1-indexed
int d1 = unrandomize255State(bits.readBits(8), codewordPosition++);
int count;
if (d1 == 0) { // Read the remainder of the symbol