Rabbit-R1/android (non root)/java/sources/com/google/zxing/oned/rss/AbstractRSSReader.java
2024-05-21 17:08:36 -04:00

121 lines
3.9 KiB
Java

package com.google.zxing.oned.rss;
import com.google.zxing.NotFoundException;
import com.google.zxing.common.detector.MathUtils;
import com.google.zxing.oned.OneDReader;
/* loaded from: classes3.dex */
public abstract class AbstractRSSReader extends OneDReader {
private static final float MAX_AVG_VARIANCE = 0.2f;
private static final float MAX_FINDER_PATTERN_RATIO = 0.89285713f;
private static final float MAX_INDIVIDUAL_VARIANCE = 0.45f;
private static final float MIN_FINDER_PATTERN_RATIO = 0.7916667f;
private final int[] dataCharacterCounters;
private final int[] evenCounts;
private final int[] oddCounts;
private final int[] decodeFinderCounters = new int[4];
private final float[] oddRoundingErrors = new float[4];
private final float[] evenRoundingErrors = new float[4];
/* JADX INFO: Access modifiers changed from: protected */
public final int[] getDataCharacterCounters() {
return this.dataCharacterCounters;
}
/* JADX INFO: Access modifiers changed from: protected */
public final int[] getDecodeFinderCounters() {
return this.decodeFinderCounters;
}
/* JADX INFO: Access modifiers changed from: protected */
public final int[] getEvenCounts() {
return this.evenCounts;
}
/* JADX INFO: Access modifiers changed from: protected */
public final float[] getEvenRoundingErrors() {
return this.evenRoundingErrors;
}
/* JADX INFO: Access modifiers changed from: protected */
public final int[] getOddCounts() {
return this.oddCounts;
}
/* JADX INFO: Access modifiers changed from: protected */
public final float[] getOddRoundingErrors() {
return this.oddRoundingErrors;
}
/* JADX INFO: Access modifiers changed from: protected */
public AbstractRSSReader() {
int[] iArr = new int[8];
this.dataCharacterCounters = iArr;
this.oddCounts = new int[iArr.length / 2];
this.evenCounts = new int[iArr.length / 2];
}
/* JADX INFO: Access modifiers changed from: protected */
public static int parseFinderValue(int[] iArr, int[][] iArr2) throws NotFoundException {
for (int i = 0; i < iArr2.length; i++) {
if (patternMatchVariance(iArr, iArr2[i], MAX_INDIVIDUAL_VARIANCE) < 0.2f) {
return i;
}
}
throw NotFoundException.getNotFoundInstance();
}
@Deprecated
protected static int count(int[] iArr) {
return MathUtils.sum(iArr);
}
/* JADX INFO: Access modifiers changed from: protected */
public static void increment(int[] iArr, float[] fArr) {
int i = 0;
float f = fArr[0];
for (int i2 = 1; i2 < iArr.length; i2++) {
float f2 = fArr[i2];
if (f2 > f) {
i = i2;
f = f2;
}
}
iArr[i] = iArr[i] + 1;
}
/* JADX INFO: Access modifiers changed from: protected */
public static void decrement(int[] iArr, float[] fArr) {
int i = 0;
float f = fArr[0];
for (int i2 = 1; i2 < iArr.length; i2++) {
float f2 = fArr[i2];
if (f2 < f) {
i = i2;
f = f2;
}
}
iArr[i] = iArr[i] - 1;
}
/* JADX INFO: Access modifiers changed from: protected */
public static boolean isFinderPattern(int[] iArr) {
float f = (iArr[0] + iArr[1]) / ((iArr[2] + r1) + iArr[3]);
if (f >= MIN_FINDER_PATTERN_RATIO && f <= MAX_FINDER_PATTERN_RATIO) {
int i = Integer.MAX_VALUE;
int i2 = Integer.MIN_VALUE;
for (int i3 : iArr) {
if (i3 > i2) {
i2 = i3;
}
if (i3 < i) {
i = i3;
}
}
if (i2 < i * 10) {
return true;
}
}
return false;
}
}