Rabbit-R1/android (non root)/smali/smali_classes3/com/google/zxing/common/GlobalHistogramBinarizer.smali
2024-05-21 17:08:36 -04:00

551 lines
9.4 KiB
Smali

.class public Lcom/google/zxing/common/GlobalHistogramBinarizer;
.super Lcom/google/zxing/Binarizer;
.source "GlobalHistogramBinarizer.java"
# static fields
.field private static final EMPTY:[B
.field private static final LUMINANCE_BITS:I = 0x5
.field private static final LUMINANCE_BUCKETS:I = 0x20
.field private static final LUMINANCE_SHIFT:I = 0x3
# instance fields
.field private final buckets:[I
.field private luminances:[B
# direct methods
.method static constructor <clinit>()V
.locals 1
const/4 v0, 0x0
new-array v0, v0, [B
sput-object v0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->EMPTY:[B
return-void
.end method
.method public constructor <init>(Lcom/google/zxing/LuminanceSource;)V
.locals 0
.line 45
invoke-direct {p0, p1}, Lcom/google/zxing/Binarizer;-><init>(Lcom/google/zxing/LuminanceSource;)V
sget-object p1, Lcom/google/zxing/common/GlobalHistogramBinarizer;->EMPTY:[B
iput-object p1, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->luminances:[B
const/16 p1, 0x20
new-array p1, p1, [I
iput-object p1, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->buckets:[I
return-void
.end method
.method private static estimateBlackPoint([I)I
.locals 9
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/zxing/NotFoundException;
}
.end annotation
.line 148
array-length v0, p0
const/4 v1, 0x0
move v2, v1
move v3, v2
move v4, v3
move v5, v4
:goto_0
if-ge v2, v0, :cond_2
.line 153
aget v6, p0, v2
if-le v6, v3, :cond_0
move v5, v2
move v3, v6
:cond_0
if-le v6, v4, :cond_1
move v4, v6
:cond_1
add-int/lit8 v2, v2, 0x1
goto :goto_0
:cond_2
move v2, v1
move v3, v2
:goto_1
if-ge v1, v0, :cond_4
sub-int v6, v1, v5
.line 168
aget v7, p0, v1
mul-int/2addr v7, v6
mul-int/2addr v7, v6
if-le v7, v3, :cond_3
move v2, v1
move v3, v7
:cond_3
add-int/lit8 v1, v1, 0x1
goto :goto_1
:cond_4
if-le v5, v2, :cond_5
goto :goto_2
:cond_5
move v8, v5
move v5, v2
move v2, v8
:goto_2
sub-int v1, v5, v2
.line 184
div-int/lit8 v0, v0, 0x10
if-le v1, v0, :cond_8
add-int/lit8 v0, v5, -0x1
const/4 v1, -0x1
move v3, v1
move v1, v0
:goto_3
if-le v0, v2, :cond_7
sub-int v6, v0, v2
mul-int/2addr v6, v6
sub-int v7, v5, v0
mul-int/2addr v6, v7
.line 193
aget v7, p0, v0
sub-int v7, v4, v7
mul-int/2addr v6, v7
if-le v6, v3, :cond_6
move v1, v0
move v3, v6
:cond_6
add-int/lit8 v0, v0, -0x1
goto :goto_3
:cond_7
shl-int/lit8 p0, v1, 0x3
return p0
.line 185
:cond_8
invoke-static {}, Lcom/google/zxing/NotFoundException;->getNotFoundInstance()Lcom/google/zxing/NotFoundException;
move-result-object p0
throw p0
.end method
.method private initArrays(I)V
.locals 2
iget-object v0, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->luminances:[B
.line 138
array-length v0, v0
if-ge v0, p1, :cond_0
.line 139
new-array p1, p1, [B
iput-object p1, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->luminances:[B
:cond_0
const/4 p1, 0x0
move v0, p1
:goto_0
const/16 v1, 0x20
if-ge v0, v1, :cond_1
iget-object v1, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->buckets:[I
.line 142
aput p1, v1, v0
add-int/lit8 v0, v0, 0x1
goto :goto_0
:cond_1
return-void
.end method
# virtual methods
.method public createBinarizer(Lcom/google/zxing/LuminanceSource;)Lcom/google/zxing/Binarizer;
.locals 0
.line 134
new-instance p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;
invoke-direct {p0, p1}, Lcom/google/zxing/common/GlobalHistogramBinarizer;-><init>(Lcom/google/zxing/LuminanceSource;)V
return-object p0
.end method
.method public getBlackMatrix()Lcom/google/zxing/common/BitMatrix;
.locals 12
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/zxing/NotFoundException;
}
.end annotation
.line 95
invoke-virtual {p0}, Lcom/google/zxing/common/GlobalHistogramBinarizer;->getLuminanceSource()Lcom/google/zxing/LuminanceSource;
move-result-object v0
.line 96
invoke-virtual {v0}, Lcom/google/zxing/LuminanceSource;->getWidth()I
move-result v1
.line 97
invoke-virtual {v0}, Lcom/google/zxing/LuminanceSource;->getHeight()I
move-result v2
.line 98
new-instance v3, Lcom/google/zxing/common/BitMatrix;
invoke-direct {v3, v1, v2}, Lcom/google/zxing/common/BitMatrix;-><init>(II)V
.line 102
invoke-direct {p0, v1}, Lcom/google/zxing/common/GlobalHistogramBinarizer;->initArrays(I)V
iget-object v4, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->buckets:[I
const/4 v5, 0x1
move v6, v5
:goto_0
const/4 v7, 0x5
if-ge v6, v7, :cond_1
mul-int v8, v2, v6
.line 105
div-int/2addr v8, v7
iget-object v9, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->luminances:[B
.line 106
invoke-virtual {v0, v8, v9}, Lcom/google/zxing/LuminanceSource;->getRow(I[B)[B
move-result-object v8
shl-int/lit8 v9, v1, 0x2
.line 107
div-int/2addr v9, v7
.line 108
div-int/lit8 v7, v1, 0x5
:goto_1
if-ge v7, v9, :cond_0
.line 109
aget-byte v10, v8, v7
and-int/lit16 v10, v10, 0xff
shr-int/lit8 v10, v10, 0x3
.line 110
aget v11, v4, v10
add-int/2addr v11, v5
aput v11, v4, v10
add-int/lit8 v7, v7, 0x1
goto :goto_1
:cond_0
add-int/lit8 v6, v6, 0x1
goto :goto_0
.line 113
:cond_1
invoke-static {v4}, Lcom/google/zxing/common/GlobalHistogramBinarizer;->estimateBlackPoint([I)I
move-result p0
.line 118
invoke-virtual {v0}, Lcom/google/zxing/LuminanceSource;->getMatrix()[B
move-result-object v0
const/4 v4, 0x0
move v5, v4
:goto_2
if-ge v5, v2, :cond_4
mul-int v6, v5, v1
move v7, v4
:goto_3
if-ge v7, v1, :cond_3
add-int v8, v6, v7
.line 122
aget-byte v8, v0, v8
and-int/lit16 v8, v8, 0xff
if-ge v8, p0, :cond_2
.line 124
invoke-virtual {v3, v7, v5}, Lcom/google/zxing/common/BitMatrix;->set(II)V
:cond_2
add-int/lit8 v7, v7, 0x1
goto :goto_3
:cond_3
add-int/lit8 v5, v5, 0x1
goto :goto_2
:cond_4
return-object v3
.end method
.method public getBlackRow(ILcom/google/zxing/common/BitArray;)Lcom/google/zxing/common/BitArray;
.locals 9
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/zxing/NotFoundException;
}
.end annotation
.line 53
invoke-virtual {p0}, Lcom/google/zxing/common/GlobalHistogramBinarizer;->getLuminanceSource()Lcom/google/zxing/LuminanceSource;
move-result-object v0
.line 54
invoke-virtual {v0}, Lcom/google/zxing/LuminanceSource;->getWidth()I
move-result v1
if-eqz p2, :cond_1
.line 55
invoke-virtual {p2}, Lcom/google/zxing/common/BitArray;->getSize()I
move-result v2
if-ge v2, v1, :cond_0
goto :goto_0
.line 58
:cond_0
invoke-virtual {p2}, Lcom/google/zxing/common/BitArray;->clear()V
goto :goto_1
.line 56
:cond_1
:goto_0
new-instance p2, Lcom/google/zxing/common/BitArray;
invoke-direct {p2, v1}, Lcom/google/zxing/common/BitArray;-><init>(I)V
.line 61
:goto_1
invoke-direct {p0, v1}, Lcom/google/zxing/common/GlobalHistogramBinarizer;->initArrays(I)V
iget-object v2, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->luminances:[B
.line 62
invoke-virtual {v0, p1, v2}, Lcom/google/zxing/LuminanceSource;->getRow(I[B)[B
move-result-object p1
iget-object p0, p0, Lcom/google/zxing/common/GlobalHistogramBinarizer;->buckets:[I
const/4 v0, 0x0
move v2, v0
:goto_2
const/4 v3, 0x3
const/4 v4, 0x1
if-ge v2, v1, :cond_2
.line 65
aget-byte v5, p1, v2
and-int/lit16 v5, v5, 0xff
shr-int/lit8 v3, v5, 0x3
aget v5, p0, v3
add-int/2addr v5, v4
aput v5, p0, v3
add-int/lit8 v2, v2, 0x1
goto :goto_2
.line 67
:cond_2
invoke-static {p0}, Lcom/google/zxing/common/GlobalHistogramBinarizer;->estimateBlackPoint([I)I
move-result p0
if-ge v1, v3, :cond_4
:goto_3
if-ge v0, v1, :cond_6
.line 72
aget-byte v2, p1, v0
and-int/lit16 v2, v2, 0xff
if-ge v2, p0, :cond_3
.line 73
invoke-virtual {p2, v0}, Lcom/google/zxing/common/BitArray;->set(I)V
:cond_3
add-int/lit8 v0, v0, 0x1
goto :goto_3
.line 77
:cond_4
aget-byte v0, p1, v0
and-int/lit16 v0, v0, 0xff
.line 78
aget-byte v2, p1, v4
and-int/lit16 v2, v2, 0xff
move v3, v4
move v8, v2
move v2, v0
move v0, v8
:goto_4
add-int/lit8 v5, v1, -0x1
if-ge v3, v5, :cond_6
add-int/lit8 v5, v3, 0x1
.line 80
aget-byte v6, p1, v5
and-int/lit16 v6, v6, 0xff
shl-int/lit8 v7, v0, 0x2
sub-int/2addr v7, v2
sub-int/2addr v7, v6
.line 82
div-int/lit8 v7, v7, 0x2
if-ge v7, p0, :cond_5
.line 83
invoke-virtual {p2, v3}, Lcom/google/zxing/common/BitArray;->set(I)V
:cond_5
move v2, v0
move v3, v5
move v0, v6
goto :goto_4
:cond_6
return-object p2
.end method