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Reduce PDF417 variance leniency (fixes #1624) (#1628)

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Daniel Gredler 2023-05-23 00:23:48 -04:00 committed by GitHub
parent 807fb0ba9a
commit 72f5ee7bb9
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4 changed files with 7 additions and 6 deletions
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2
core/src/main/java/com/google/zxing/pdf417/detector/Detector.java
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@ -40,7 +40,7 @@ public final class Detector {
private static final int[] INDEXES_START_PATTERN = {0, 4, 1, 5};
private static final int[] INDEXES_STOP_PATTERN = {6, 2, 7, 3};
private static final float MAX_AVG_VARIANCE = 0.42f;
private static final float MAX_INDIVIDUAL_VARIANCE = 0.8f;
private static final float MAX_INDIVIDUAL_VARIANCE = 0.7f;
// B S B S B S B S Bar/Space pattern
// 11111111 0 1 0 1 0 1 000

10
core/src/test/java/com/google/zxing/pdf417/PDF417BlackBox1TestCase.java
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@ -29,10 +29,10 @@ public final class PDF417BlackBox1TestCase extends AbstractBlackBoxTestCase {
public PDF417BlackBox1TestCase() {
super("src/test/resources/blackbox/pdf417-1", new MultiFormatReader(), BarcodeFormat.PDF_417);
addTest(10, 10, 0.0f);
addTest(10, 10, 90.0f);
addTest(10, 10, 180.0f);
addTest(10, 10, 270.0f);
addTest(11, 11, 0.0f);
addTest(11, 11, 90.0f);
addTest(11, 11, 180.0f);
addTest(11, 11, 270.0f);
}
}
}

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core/src/test/resources/blackbox/pdf417-1/12.png Normal file
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core/src/test/resources/blackbox/pdf417-1/12.txt Normal file
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@ -0,0 +1 @@
+A+CDMEABCDEFGHIJABCDFEFGH