573 lines
9.1 KiB
Smali
573 lines
9.1 KiB
Smali
.class public final Lcom/google/zxing/common/HybridBinarizer;
|
|
.super Lcom/google/zxing/common/GlobalHistogramBinarizer;
|
|
.source "HybridBinarizer.java"
|
|
|
|
|
|
# static fields
|
|
.field private static final BLOCK_SIZE:I = 0x8
|
|
|
|
.field private static final BLOCK_SIZE_MASK:I = 0x7
|
|
|
|
.field private static final BLOCK_SIZE_POWER:I = 0x3
|
|
|
|
.field private static final MINIMUM_DIMENSION:I = 0x28
|
|
|
|
.field private static final MIN_DYNAMIC_RANGE:I = 0x18
|
|
|
|
|
|
# instance fields
|
|
.field private matrix:Lcom/google/zxing/common/BitMatrix;
|
|
|
|
|
|
# direct methods
|
|
.method public constructor <init>(Lcom/google/zxing/LuminanceSource;)V
|
|
.locals 0
|
|
|
|
.line 1
|
|
invoke-direct {p0, p1}, Lcom/google/zxing/common/GlobalHistogramBinarizer;-><init>(Lcom/google/zxing/LuminanceSource;)V
|
|
|
|
return-void
|
|
.end method
|
|
|
|
.method private static calculateBlackPoints([BIIII)[[I
|
|
.locals 17
|
|
|
|
move/from16 v0, p1
|
|
|
|
move/from16 v1, p2
|
|
|
|
const/4 v2, 0x2
|
|
|
|
new-array v3, v2, [I
|
|
|
|
const/4 v4, 0x1
|
|
|
|
aput v0, v3, v4
|
|
|
|
const/4 v5, 0x0
|
|
|
|
aput v1, v3, v5
|
|
|
|
.line 1
|
|
const-class v6, I
|
|
|
|
invoke-static {v6, v3}, Ljava/lang/reflect/Array;->newInstance(Ljava/lang/Class;[I)Ljava/lang/Object;
|
|
|
|
move-result-object v3
|
|
|
|
check-cast v3, [[I
|
|
|
|
move v6, v5
|
|
|
|
:goto_0
|
|
if-lt v6, v1, :cond_0
|
|
|
|
return-object v3
|
|
|
|
:cond_0
|
|
shl-int/lit8 v7, v6, 0x3
|
|
|
|
const/16 v8, 0x8
|
|
|
|
add-int/lit8 v9, p4, -0x8
|
|
|
|
if-le v7, v9, :cond_1
|
|
|
|
move v7, v9
|
|
|
|
:cond_1
|
|
move v9, v5
|
|
|
|
:goto_1
|
|
if-lt v9, v0, :cond_2
|
|
|
|
add-int/lit8 v6, v6, 0x1
|
|
|
|
goto :goto_0
|
|
|
|
:cond_2
|
|
shl-int/lit8 v10, v9, 0x3
|
|
|
|
add-int/lit8 v11, p3, -0x8
|
|
|
|
if-le v10, v11, :cond_3
|
|
|
|
move v10, v11
|
|
|
|
:cond_3
|
|
mul-int v11, v7, p3
|
|
|
|
add-int/2addr v11, v10
|
|
|
|
const/16 v10, 0xff
|
|
|
|
move v12, v5
|
|
|
|
move v13, v12
|
|
|
|
move v14, v13
|
|
|
|
move v15, v10
|
|
|
|
:goto_2
|
|
const/16 v5, 0x18
|
|
|
|
if-lt v12, v8, :cond_5
|
|
|
|
shr-int/lit8 v10, v13, 0x6
|
|
|
|
sub-int/2addr v14, v15
|
|
|
|
if-gt v14, v5, :cond_4
|
|
|
|
shr-int/lit8 v10, v15, 0x1
|
|
|
|
if-lez v6, :cond_4
|
|
|
|
if-lez v9, :cond_4
|
|
|
|
add-int/lit8 v5, v6, -0x1
|
|
|
|
.line 2
|
|
aget-object v11, v3, v5
|
|
|
|
aget v11, v11, v9
|
|
|
|
aget-object v12, v3, v6
|
|
|
|
add-int/lit8 v13, v9, -0x1
|
|
|
|
aget v12, v12, v13
|
|
|
|
mul-int/2addr v12, v2
|
|
|
|
add-int/2addr v12, v11
|
|
|
|
.line 3
|
|
aget-object v5, v3, v5
|
|
|
|
aget v5, v5, v13
|
|
|
|
add-int/2addr v12, v5
|
|
|
|
shr-int/lit8 v5, v12, 0x2
|
|
|
|
if-ge v15, v5, :cond_4
|
|
|
|
move v10, v5
|
|
|
|
.line 4
|
|
:cond_4
|
|
aget-object v5, v3, v6
|
|
|
|
aput v10, v5, v9
|
|
|
|
add-int/lit8 v9, v9, 0x1
|
|
|
|
const/4 v5, 0x0
|
|
|
|
goto :goto_1
|
|
|
|
:cond_5
|
|
const/4 v2, 0x0
|
|
|
|
:goto_3
|
|
if-lt v2, v8, :cond_9
|
|
|
|
sub-int v2, v14, v15
|
|
|
|
if-le v2, v5, :cond_8
|
|
|
|
add-int/lit8 v12, v12, 0x1
|
|
|
|
add-int v11, v11, p3
|
|
|
|
move v2, v11
|
|
|
|
move v5, v12
|
|
|
|
:goto_4
|
|
if-lt v5, v8, :cond_6
|
|
|
|
move v11, v2
|
|
|
|
move v12, v5
|
|
|
|
goto :goto_6
|
|
|
|
:cond_6
|
|
const/4 v11, 0x0
|
|
|
|
:goto_5
|
|
if-lt v11, v8, :cond_7
|
|
|
|
add-int/lit8 v5, v5, 0x1
|
|
|
|
add-int v2, v2, p3
|
|
|
|
goto :goto_4
|
|
|
|
:cond_7
|
|
add-int v12, v2, v11
|
|
|
|
.line 5
|
|
aget-byte v12, p0, v12
|
|
|
|
and-int/2addr v12, v10
|
|
|
|
add-int/2addr v13, v12
|
|
|
|
add-int/lit8 v11, v11, 0x1
|
|
|
|
goto :goto_5
|
|
|
|
:cond_8
|
|
:goto_6
|
|
add-int/2addr v12, v4
|
|
|
|
add-int v11, v11, p3
|
|
|
|
const/4 v2, 0x2
|
|
|
|
goto :goto_2
|
|
|
|
:cond_9
|
|
add-int v16, v11, v2
|
|
|
|
.line 6
|
|
aget-byte v4, p0, v16
|
|
|
|
and-int/2addr v4, v10
|
|
|
|
add-int/2addr v13, v4
|
|
|
|
if-ge v4, v15, :cond_a
|
|
|
|
move v15, v4
|
|
|
|
:cond_a
|
|
if-le v4, v14, :cond_b
|
|
|
|
move v14, v4
|
|
|
|
:cond_b
|
|
add-int/lit8 v2, v2, 0x1
|
|
|
|
const/4 v4, 0x1
|
|
|
|
goto :goto_3
|
|
.end method
|
|
|
|
.method private static calculateThresholdForBlock([BIIII[[ILcom/google/zxing/common/BitMatrix;)V
|
|
.locals 15
|
|
|
|
move/from16 v0, p1
|
|
|
|
move/from16 v1, p2
|
|
|
|
const/4 v2, 0x0
|
|
|
|
move v3, v2
|
|
|
|
:goto_0
|
|
if-lt v3, v1, :cond_0
|
|
|
|
return-void
|
|
|
|
:cond_0
|
|
shl-int/lit8 v4, v3, 0x3
|
|
|
|
add-int/lit8 v5, p4, -0x8
|
|
|
|
if-le v4, v5, :cond_1
|
|
|
|
move v4, v5
|
|
|
|
:cond_1
|
|
move v5, v2
|
|
|
|
:goto_1
|
|
if-lt v5, v0, :cond_2
|
|
|
|
add-int/lit8 v3, v3, 0x1
|
|
|
|
goto :goto_0
|
|
|
|
:cond_2
|
|
shl-int/lit8 v6, v5, 0x3
|
|
|
|
add-int/lit8 v7, p3, -0x8
|
|
|
|
if-le v6, v7, :cond_3
|
|
|
|
goto :goto_2
|
|
|
|
:cond_3
|
|
move v7, v6
|
|
|
|
:goto_2
|
|
add-int/lit8 v6, v0, -0x3
|
|
|
|
const/4 v8, 0x2
|
|
|
|
.line 1
|
|
invoke-static {v5, v8, v6}, Lcom/google/zxing/common/HybridBinarizer;->cap(III)I
|
|
|
|
move-result v6
|
|
|
|
add-int/lit8 v9, v1, -0x3
|
|
|
|
.line 2
|
|
invoke-static {v3, v8, v9}, Lcom/google/zxing/common/HybridBinarizer;->cap(III)I
|
|
|
|
move-result v9
|
|
|
|
const/4 v10, -0x2
|
|
|
|
move v11, v2
|
|
|
|
:goto_3
|
|
if-le v10, v8, :cond_4
|
|
|
|
.line 3
|
|
div-int/lit8 v9, v11, 0x19
|
|
|
|
move-object v6, p0
|
|
|
|
move v8, v4
|
|
|
|
move/from16 v10, p3
|
|
|
|
move-object/from16 v11, p6
|
|
|
|
.line 4
|
|
invoke-static/range {v6 .. v11}, Lcom/google/zxing/common/HybridBinarizer;->thresholdBlock([BIIIILcom/google/zxing/common/BitMatrix;)V
|
|
|
|
add-int/lit8 v5, v5, 0x1
|
|
|
|
goto :goto_1
|
|
|
|
:cond_4
|
|
add-int v12, v9, v10
|
|
|
|
.line 5
|
|
aget-object v12, p5, v12
|
|
|
|
add-int/lit8 v13, v6, -0x2
|
|
|
|
.line 6
|
|
aget v13, v12, v13
|
|
|
|
add-int/lit8 v14, v6, -0x1
|
|
|
|
aget v14, v12, v14
|
|
|
|
add-int/2addr v13, v14
|
|
|
|
aget v14, v12, v6
|
|
|
|
add-int/2addr v13, v14
|
|
|
|
add-int/lit8 v14, v6, 0x1
|
|
|
|
aget v14, v12, v14
|
|
|
|
add-int/2addr v13, v14
|
|
|
|
add-int/lit8 v14, v6, 0x2
|
|
|
|
aget v12, v12, v14
|
|
|
|
add-int/2addr v13, v12
|
|
|
|
add-int/2addr v11, v13
|
|
|
|
add-int/lit8 v10, v10, 0x1
|
|
|
|
goto :goto_3
|
|
.end method
|
|
|
|
.method private static cap(III)I
|
|
.locals 0
|
|
|
|
if-ge p0, p1, :cond_0
|
|
|
|
move p0, p1
|
|
|
|
goto :goto_0
|
|
|
|
:cond_0
|
|
if-le p0, p2, :cond_1
|
|
|
|
move p0, p2
|
|
|
|
:cond_1
|
|
:goto_0
|
|
return p0
|
|
.end method
|
|
|
|
.method private static thresholdBlock([BIIIILcom/google/zxing/common/BitMatrix;)V
|
|
.locals 7
|
|
|
|
mul-int v0, p2, p4
|
|
|
|
add-int/2addr v0, p1
|
|
|
|
const/4 v1, 0x0
|
|
|
|
move v2, v1
|
|
|
|
:goto_0
|
|
const/16 v3, 0x8
|
|
|
|
if-lt v2, v3, :cond_0
|
|
|
|
return-void
|
|
|
|
:cond_0
|
|
move v4, v1
|
|
|
|
:goto_1
|
|
if-lt v4, v3, :cond_1
|
|
|
|
add-int/lit8 v2, v2, 0x1
|
|
|
|
add-int/2addr v0, p4
|
|
|
|
goto :goto_0
|
|
|
|
:cond_1
|
|
add-int v5, v0, v4
|
|
|
|
.line 1
|
|
aget-byte v5, p0, v5
|
|
|
|
and-int/lit16 v5, v5, 0xff
|
|
|
|
if-gt v5, p3, :cond_2
|
|
|
|
add-int v5, p1, v4
|
|
|
|
add-int v6, p2, v2
|
|
|
|
.line 2
|
|
invoke-virtual {p5, v5, v6}, Lcom/google/zxing/common/BitMatrix;->set(II)V
|
|
|
|
:cond_2
|
|
add-int/lit8 v4, v4, 0x1
|
|
|
|
goto :goto_1
|
|
.end method
|
|
|
|
|
|
# virtual methods
|
|
.method public createBinarizer(Lcom/google/zxing/LuminanceSource;)Lcom/google/zxing/Binarizer;
|
|
.locals 1
|
|
|
|
.line 1
|
|
new-instance v0, Lcom/google/zxing/common/HybridBinarizer;
|
|
|
|
invoke-direct {v0, p1}, Lcom/google/zxing/common/HybridBinarizer;-><init>(Lcom/google/zxing/LuminanceSource;)V
|
|
|
|
return-object v0
|
|
.end method
|
|
|
|
.method public getBlackMatrix()Lcom/google/zxing/common/BitMatrix;
|
|
.locals 8
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Lcom/google/zxing/NotFoundException;
|
|
}
|
|
.end annotation
|
|
|
|
.line 1
|
|
iget-object v0, p0, Lcom/google/zxing/common/HybridBinarizer;->matrix:Lcom/google/zxing/common/BitMatrix;
|
|
|
|
if-eqz v0, :cond_0
|
|
|
|
return-object v0
|
|
|
|
.line 2
|
|
:cond_0
|
|
invoke-virtual {p0}, Lcom/google/zxing/Binarizer;->getLuminanceSource()Lcom/google/zxing/LuminanceSource;
|
|
|
|
move-result-object v0
|
|
|
|
.line 3
|
|
invoke-virtual {v0}, Lcom/google/zxing/LuminanceSource;->getWidth()I
|
|
|
|
move-result v4
|
|
|
|
.line 4
|
|
invoke-virtual {v0}, Lcom/google/zxing/LuminanceSource;->getHeight()I
|
|
|
|
move-result v5
|
|
|
|
const/16 v1, 0x28
|
|
|
|
if-lt v4, v1, :cond_3
|
|
|
|
if-lt v5, v1, :cond_3
|
|
|
|
.line 5
|
|
invoke-virtual {v0}, Lcom/google/zxing/LuminanceSource;->getMatrix()[B
|
|
|
|
move-result-object v1
|
|
|
|
shr-int/lit8 v0, v4, 0x3
|
|
|
|
and-int/lit8 v2, v4, 0x7
|
|
|
|
if-eqz v2, :cond_1
|
|
|
|
add-int/lit8 v0, v0, 0x1
|
|
|
|
:cond_1
|
|
move v2, v0
|
|
|
|
shr-int/lit8 v0, v5, 0x3
|
|
|
|
and-int/lit8 v3, v5, 0x7
|
|
|
|
if-eqz v3, :cond_2
|
|
|
|
add-int/lit8 v0, v0, 0x1
|
|
|
|
:cond_2
|
|
move v3, v0
|
|
|
|
.line 6
|
|
invoke-static {v1, v2, v3, v4, v5}, Lcom/google/zxing/common/HybridBinarizer;->calculateBlackPoints([BIIII)[[I
|
|
|
|
move-result-object v6
|
|
|
|
.line 7
|
|
new-instance v0, Lcom/google/zxing/common/BitMatrix;
|
|
|
|
invoke-direct {v0, v4, v5}, Lcom/google/zxing/common/BitMatrix;-><init>(II)V
|
|
|
|
move-object v7, v0
|
|
|
|
.line 8
|
|
invoke-static/range {v1 .. v7}, Lcom/google/zxing/common/HybridBinarizer;->calculateThresholdForBlock([BIIII[[ILcom/google/zxing/common/BitMatrix;)V
|
|
|
|
.line 9
|
|
iput-object v0, p0, Lcom/google/zxing/common/HybridBinarizer;->matrix:Lcom/google/zxing/common/BitMatrix;
|
|
|
|
goto :goto_0
|
|
|
|
.line 10
|
|
:cond_3
|
|
invoke-super {p0}, Lcom/google/zxing/common/GlobalHistogramBinarizer;->getBlackMatrix()Lcom/google/zxing/common/BitMatrix;
|
|
|
|
move-result-object v0
|
|
|
|
iput-object v0, p0, Lcom/google/zxing/common/HybridBinarizer;->matrix:Lcom/google/zxing/common/BitMatrix;
|
|
|
|
.line 11
|
|
:goto_0
|
|
iget-object v0, p0, Lcom/google/zxing/common/HybridBinarizer;->matrix:Lcom/google/zxing/common/BitMatrix;
|
|
|
|
return-object v0
|
|
.end method
|