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fix infinite loop in maxicode detector

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This commit is contained in:
Henry Schimke
2023-01-31 18:41:00 -06:00
parent 12007fdde0
commit 6389d05aa3
1 changed files with 8 additions and 1 deletions
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9
src/maxicode/detector.rs
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@@ -430,7 +430,14 @@ fn find_concentric_circles(image: &BitMatrix) -> Option<Vec<Circle>> {
continue;
} else {
// false alarm, go on with the row
current_column = center - radius + (radius / 4);
let new_column = center - radius + (radius / 4);
if new_column == current_column {
// this is necessary because sometimes the loop can get
// stuck when the result always comes out the same.
row += ROW_SCAN_SKIP;
break;
}
current_column = new_column;
continue;
}
} else {