jimu-decompiled/sources/com/google/zxing/common/BitMatrix.java
2025-05-13 19:24:51 +02:00

262 lines
7.1 KiB
Java

package com.google.zxing.common;
import java.util.Arrays;
/* loaded from: classes.dex */
public final class BitMatrix implements Cloneable {
private final int a;
private final int b;
private final int c;
private final int[] d;
public BitMatrix(int i) {
this(i, i);
}
public void a(int i, int i2) {
int i3 = (i2 * this.c) + (i / 32);
int[] iArr = this.d;
iArr[i3] = (1 << (i & 31)) ^ iArr[i3];
}
public boolean b(int i, int i2) {
return ((this.d[(i2 * this.c) + (i / 32)] >>> (i & 31)) & 1) != 0;
}
public void c(int i, int i2) {
int i3 = (i2 * this.c) + (i / 32);
int[] iArr = this.d;
iArr[i3] = (1 << (i & 31)) | iArr[i3];
}
public boolean equals(Object obj) {
if (!(obj instanceof BitMatrix)) {
return false;
}
BitMatrix bitMatrix = (BitMatrix) obj;
return this.a == bitMatrix.a && this.b == bitMatrix.b && this.c == bitMatrix.c && Arrays.equals(this.d, bitMatrix.d);
}
public int[] h() {
int i = this.a;
int i2 = -1;
int i3 = this.b;
int i4 = -1;
int i5 = i;
int i6 = 0;
while (i6 < this.b) {
int i7 = i4;
int i8 = i2;
int i9 = i5;
int i10 = 0;
while (true) {
int i11 = this.c;
if (i10 < i11) {
int i12 = this.d[(i11 * i6) + i10];
if (i12 != 0) {
if (i6 < i3) {
i3 = i6;
}
if (i6 > i7) {
i7 = i6;
}
int i13 = i10 << 5;
int i14 = 31;
if (i13 < i9) {
int i15 = 0;
while ((i12 << (31 - i15)) == 0) {
i15++;
}
int i16 = i15 + i13;
if (i16 < i9) {
i9 = i16;
}
}
if (i13 + 31 > i8) {
while ((i12 >>> i14) == 0) {
i14--;
}
int i17 = i13 + i14;
if (i17 > i8) {
i8 = i17;
}
}
}
i10++;
}
}
i6++;
i5 = i9;
i2 = i8;
i4 = i7;
}
if (i2 < i5 || i4 < i3) {
return null;
}
return new int[]{i5, i3, (i2 - i5) + 1, (i4 - i3) + 1};
}
public int hashCode() {
int i = this.a;
return (((((((i * 31) + i) * 31) + this.b) * 31) + this.c) * 31) + Arrays.hashCode(this.d);
}
public int i() {
return this.b;
}
public int[] j() {
int i = 0;
while (true) {
int[] iArr = this.d;
if (i >= iArr.length || iArr[i] != 0) {
break;
}
i++;
}
int[] iArr2 = this.d;
if (i == iArr2.length) {
return null;
}
int i2 = this.c;
int i3 = i / i2;
int i4 = (i % i2) << 5;
int i5 = iArr2[i];
int i6 = 0;
while ((i5 << (31 - i6)) == 0) {
i6++;
}
return new int[]{i4 + i6, i3};
}
public int k() {
return this.a;
}
public void l() {
int k = k();
int i = i();
BitArray bitArray = new BitArray(k);
BitArray bitArray2 = new BitArray(k);
for (int i2 = 0; i2 < (i + 1) / 2; i2++) {
bitArray = a(i2, bitArray);
int i3 = (i - 1) - i2;
bitArray2 = a(i3, bitArray2);
bitArray.j();
bitArray2.j();
b(i2, bitArray2);
b(i3, bitArray);
}
}
public String toString() {
return a("X ", " ");
}
public BitMatrix(int i, int i2) {
if (i <= 0 || i2 <= 0) {
throw new IllegalArgumentException("Both dimensions must be greater than 0");
}
this.a = i;
this.b = i2;
this.c = (i + 31) / 32;
this.d = new int[this.c * i2];
}
/* renamed from: clone, reason: merged with bridge method [inline-methods] */
public BitMatrix m15clone() {
return new BitMatrix(this.a, this.b, this.c, (int[]) this.d.clone());
}
public void a() {
int length = this.d.length;
for (int i = 0; i < length; i++) {
this.d[i] = 0;
}
}
public void b(int i, BitArray bitArray) {
int[] b = bitArray.b();
int[] iArr = this.d;
int i2 = this.c;
System.arraycopy(b, 0, iArr, i * i2, i2);
}
public int[] b() {
int length = this.d.length - 1;
while (length >= 0 && this.d[length] == 0) {
length--;
}
if (length < 0) {
return null;
}
int i = this.c;
int i2 = length / i;
int i3 = (length % i) << 5;
int i4 = 31;
while ((this.d[length] >>> i4) == 0) {
i4--;
}
return new int[]{i3 + i4, i2};
}
public void a(int i, int i2, int i3, int i4) {
if (i2 < 0 || i < 0) {
throw new IllegalArgumentException("Left and top must be nonnegative");
}
if (i4 > 0 && i3 > 0) {
int i5 = i3 + i;
int i6 = i4 + i2;
if (i6 > this.b || i5 > this.a) {
throw new IllegalArgumentException("The region must fit inside the matrix");
}
while (i2 < i6) {
int i7 = this.c * i2;
for (int i8 = i; i8 < i5; i8++) {
int[] iArr = this.d;
int i9 = (i8 / 32) + i7;
iArr[i9] = iArr[i9] | (1 << (i8 & 31));
}
i2++;
}
return;
}
throw new IllegalArgumentException("Height and width must be at least 1");
}
private BitMatrix(int i, int i2, int i3, int[] iArr) {
this.a = i;
this.b = i2;
this.c = i3;
this.d = iArr;
}
public BitArray a(int i, BitArray bitArray) {
if (bitArray != null && bitArray.h() >= this.a) {
bitArray.a();
} else {
bitArray = new BitArray(this.a);
}
int i2 = i * this.c;
for (int i3 = 0; i3 < this.c; i3++) {
bitArray.b(i3 << 5, this.d[i2 + i3]);
}
return bitArray;
}
public String a(String str, String str2) {
return a(str, str2, "\n");
}
private String a(String str, String str2, String str3) {
StringBuilder sb = new StringBuilder(this.b * (this.a + 1));
for (int i = 0; i < this.b; i++) {
for (int i2 = 0; i2 < this.a; i2++) {
sb.append(b(i2, i) ? str : str2);
}
sb.append(str3);
}
return sb.toString();
}
}