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Make two methods public for easier reuse by third-party implementaitons

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git-svn-id: https://zxing.googlecode.com/svn/trunk@345 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2008-04-04 16:34:42 +00:00
parent 32d92ca3a9
commit 9c1b4a1393
1 changed files with 14 additions and 2 deletions
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16
core/src/com/google/zxing/oned/AbstractOneDReader.java
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@ -131,7 +131,19 @@ public abstract class AbstractOneDReader implements OneDReader {
throw new ReaderException("No barcode found");
}
static void recordPattern(BitArray row, int start, int[] counters) throws ReaderException {
/**
* Records the size of successive runs of white and black pixels in a row, starting at a given point.
* The values are recorded in the given array, and the number of runs recorded is equal to the size
* of the array. If the row starts on a white pixel at the given start point, then the first count
* recorded is the run of white pixels starting from that point; likewise it is the count of a run
* of black pixels if the row begin on a black pixels at that point.
*
* @param row row to count from
* @param start offset into row to start at
* @param counters array into which to record counts
* @throws ReaderException if counters cannot be filled entirely from row before running out of pixels
*/
public static void recordPattern(BitArray row, int start, int[] counters) throws ReaderException {
int numCounters = counters.length;
for (int i = 0; i < numCounters; i++) {
counters[i] = 0;
@ -174,7 +186,7 @@ public abstract class AbstractOneDReader implements OneDReader {
* @param pattern expected pattern
* @return average variance between counters and pattern
*/
static float patternMatchVariance(int[] counters, int[] pattern) {
public static float patternMatchVariance(int[] counters, int[] pattern) {
int total = 0;
int numCounters = counters.length;
int patternLength = 0;