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"Try harder" now examines a lot more lines in the image

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git-svn-id: https://zxing.googlecode.com/svn/trunk@282 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2008-03-14 20:54:12 +00:00
parent 1215cc3512
commit bf29a16253
1 changed files with 8 additions and 3 deletions
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11
core/src/com/google/zxing/oned/AbstractOneDReader.java
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@ -84,12 +84,17 @@ public abstract class AbstractOneDReader implements OneDReader {
// rowStep is bigger as the image is taller, but is always at least 1. We've somewhat arbitrarily decided
// that moving up and down by about 1/16 of the image is pretty good.
int middle = height >> 1;
int rowStep = Math.max(1, height >> 4);
int rowStep;
if (tryHarder) {
rowStep = 2; // Look at every other line if "trying harder"
} else {
rowStep = Math.max(1, height >> 4);
}
int maxLines;
if (barcodesToSkip > 0) {
if (tryHarder || barcodesToSkip > 0) {
maxLines = height; // Look at the whole image; looking for more than one barcode
} else {
maxLines = tryHarder ? 15 : 7; // If "trying harder", examine more lines
maxLines = 7;
}
for (int x = 0; x < maxLines; x++) {