jimu-decompiled/sources/com/google/zxing/qrcode/QRCodeReader.java

package com.google.zxing.qrcode;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.ChecksumException;
import com.google.zxing.DecodeHintType;
import com.google.zxing.FormatException;
import com.google.zxing.NotFoundException;
import com.google.zxing.Reader;
import com.google.zxing.Result;
import com.google.zxing.ResultMetadataType;
import com.google.zxing.ResultPoint;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.DecoderResult;
import com.google.zxing.common.DetectorResult;
import com.google.zxing.qrcode.decoder.Decoder;
import com.google.zxing.qrcode.decoder.QRCodeDecoderMetaData;
import com.google.zxing.qrcode.detector.Detector;
import java.util.List;
import java.util.Map;

/* loaded from: classes.dex */
public class QRCodeReader implements Reader {
    private static final ResultPoint[] b = new ResultPoint[0];
    private final Decoder a = new Decoder();

    @Override // com.google.zxing.Reader
    public final Result a(BinaryBitmap binaryBitmap, Map<DecodeHintType, ?> map) throws NotFoundException, ChecksumException, FormatException {
        ResultPoint[] b2;
        DecoderResult decoderResult;
        if (map == null || !map.containsKey(DecodeHintType.PURE_BARCODE)) {
            DetectorResult a = new Detector(binaryBitmap.a()).a(map);
            DecoderResult a2 = this.a.a(a.a(), map);
            b2 = a.b();
            decoderResult = a2;
        } else {
            decoderResult = this.a.a(a(binaryBitmap.a()), map);
            b2 = b;
        }
        if (decoderResult.d() instanceof QRCodeDecoderMetaData) {
            ((QRCodeDecoderMetaData) decoderResult.d()).a(b2);
        }
        Result result = new Result(decoderResult.h(), decoderResult.e(), b2, BarcodeFormat.QR_CODE);
        List<byte[]> a3 = decoderResult.a();
        if (a3 != null) {
            result.a(ResultMetadataType.BYTE_SEGMENTS, a3);
        }
        String b3 = decoderResult.b();
        if (b3 != null) {
            result.a(ResultMetadataType.ERROR_CORRECTION_LEVEL, b3);
        }
        if (decoderResult.i()) {
            result.a(ResultMetadataType.STRUCTURED_APPEND_SEQUENCE, Integer.valueOf(decoderResult.g()));
            result.a(ResultMetadataType.STRUCTURED_APPEND_PARITY, Integer.valueOf(decoderResult.f()));
        }
        return result;
    }

    @Override // com.google.zxing.Reader
    public void reset() {
    }

    private static BitMatrix a(BitMatrix bitMatrix) throws NotFoundException {
        int[] j = bitMatrix.j();
        int[] b2 = bitMatrix.b();
        if (j != null && b2 != null) {
            float a = a(j, bitMatrix);
            int i = j[1];
            int i2 = b2[1];
            int i3 = j[0];
            int i4 = b2[0];
            if (i3 < i4 && i < i2) {
                int i5 = i2 - i;
                if (i5 != i4 - i3 && (i4 = i3 + i5) >= bitMatrix.k()) {
                    throw NotFoundException.getNotFoundInstance();
                }
                int round = Math.round(((i4 - i3) + 1) / a);
                int round2 = Math.round((i5 + 1) / a);
                if (round <= 0 || round2 <= 0) {
                    throw NotFoundException.getNotFoundInstance();
                }
                if (round2 == round) {
                    int i6 = (int) (a / 2.0f);
                    int i7 = i + i6;
                    int i8 = i3 + i6;
                    int i9 = (((int) ((round - 1) * a)) + i8) - i4;
                    if (i9 > 0) {
                        if (i9 > i6) {
                            throw NotFoundException.getNotFoundInstance();
                        }
                        i8 -= i9;
                    }
                    int i10 = (((int) ((round2 - 1) * a)) + i7) - i2;
                    if (i10 > 0) {
                        if (i10 > i6) {
                            throw NotFoundException.getNotFoundInstance();
                        }
                        i7 -= i10;
                    }
                    BitMatrix bitMatrix2 = new BitMatrix(round, round2);
                    for (int i11 = 0; i11 < round2; i11++) {
                        int i12 = ((int) (i11 * a)) + i7;
                        for (int i13 = 0; i13 < round; i13++) {
                            if (bitMatrix.b(((int) (i13 * a)) + i8, i12)) {
                                bitMatrix2.c(i13, i11);
                            }
                        }
                    }
                    return bitMatrix2;
                }
                throw NotFoundException.getNotFoundInstance();
            }
            throw NotFoundException.getNotFoundInstance();
        }
        throw NotFoundException.getNotFoundInstance();
    }

    private static float a(int[] iArr, BitMatrix bitMatrix) throws NotFoundException {
        int i = bitMatrix.i();
        int k = bitMatrix.k();
        int i2 = iArr[0];
        boolean z = true;
        int i3 = iArr[1];
        int i4 = 0;
        while (i2 < k && i3 < i) {
            if (z != bitMatrix.b(i2, i3)) {
                i4++;
                if (i4 == 5) {
                    break;
                }
                z = !z;
            }
            i2++;
            i3++;
        }
        if (i2 != k && i3 != i) {
            return (i2 - iArr[0]) / 7.0f;
        }
        throw NotFoundException.getNotFoundInstance();
    }
}