AlignmentPatternFinder.smali
.class final Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;
.super Ljava/lang/Object;
# instance fields
.field private final crossCheckStateCount:[I
.field private final height:I
.field private final image:Lcom/dcloud/zxing2/common/BitMatrix;
.field private final moduleSize:F
.field private final possibleCenters:Ljava/util/List;
.annotation system Ldalvik/annotation/Signature;
value = {
"Ljava/util/List<",
"Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;",
">;"
}
.end annotation
.end field
.field private final resultPointCallback:Lcom/dcloud/zxing2/ResultPointCallback;
.field private final startX:I
.field private final startY:I
.field private final width:I
# direct methods
.method constructor <init>(Lcom/dcloud/zxing2/common/BitMatrix;IIIIFLcom/dcloud/zxing2/ResultPointCallback;)V
.registers 9
.line 1
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
.line 2
iput-object p1, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->image:Lcom/dcloud/zxing2/common/BitMatrix;
.line 3
new-instance p1, Ljava/util/ArrayList;
const/4 v0, 0x5
invoke-direct {p1, v0}, Ljava/util/ArrayList;-><init>(I)V
iput-object p1, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->possibleCenters:Ljava/util/List;
.line 4
iput p2, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->startX:I
.line 5
iput p3, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->startY:I
.line 6
iput p4, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->width:I
.line 7
iput p5, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->height:I
.line 8
iput p6, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->moduleSize:F
const/4 p1, 0x3
new-array p1, p1, [I
.line 9
iput-object p1, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->crossCheckStateCount:[I
.line 10
iput-object p7, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->resultPointCallback:Lcom/dcloud/zxing2/ResultPointCallback;
return-void
.end method
.method private static centerFromEnd([II)F
.registers 3
const/4 v0, 0x2
.line 1
aget v0, p0, v0
sub-int/2addr p1, v0
int-to-float p1, p1
const/4 v0, 0x1
aget p0, p0, v0
int-to-float p0, p0
const/high16 v0, 0x40000000 # 2.0f
div-float/2addr p0, v0
sub-float/2addr p1, p0
return p1
.end method
.method private crossCheckVertical(IIII)F
.registers 14
.line 1
iget-object v0, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->image:Lcom/dcloud/zxing2/common/BitMatrix;
.line 3
invoke-virtual {v0}, Lcom/dcloud/zxing2/common/BitMatrix;->getHeight()I
move-result v1
.line 4
iget-object v2, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->crossCheckStateCount:[I
const/4 v3, 0x0
.line 5
aput v3, v2, v3
const/4 v4, 0x1
.line 6
aput v3, v2, v4
const/4 v5, 0x2
.line 7
aput v3, v2, v5
move v6, p1
:goto_12
if-ltz v6, :cond_26
.line 11
invoke-virtual {v0, p2, v6}, Lcom/dcloud/zxing2/common/BitMatrix;->get(II)Z
move-result v7
if-eqz v7, :cond_26
aget v7, v2, v4
if-gt v7, p3, :cond_26
.line 12
aget v7, v2, v4
add-int/2addr v7, v4
aput v7, v2, v4
add-int/lit8 v6, v6, -0x1
goto :goto_12
:cond_26
const/high16 v7, 0x7fc00000 # Float.NaN
if-ltz v6, :cond_9b
.line 16
aget v8, v2, v4
if-le v8, p3, :cond_30
goto/16 :goto_9b
:cond_30
:goto_30
if-ltz v6, :cond_44
.line 19
invoke-virtual {v0, p2, v6}, Lcom/dcloud/zxing2/common/BitMatrix;->get(II)Z
move-result v8
if-nez v8, :cond_44
aget v8, v2, v3
if-gt v8, p3, :cond_44
.line 20
aget v8, v2, v3
add-int/2addr v8, v4
aput v8, v2, v3
add-int/lit8 v6, v6, -0x1
goto :goto_30
.line 23
:cond_44
aget v6, v2, v3
if-le v6, p3, :cond_49
return v7
:cond_49
add-int/2addr p1, v4
:goto_4a
if-ge p1, v1, :cond_5e
.line 29
invoke-virtual {v0, p2, p1}, Lcom/dcloud/zxing2/common/BitMatrix;->get(II)Z
move-result v6
if-eqz v6, :cond_5e
aget v6, v2, v4
if-gt v6, p3, :cond_5e
.line 30
aget v6, v2, v4
add-int/2addr v6, v4
aput v6, v2, v4
add-int/lit8 p1, p1, 0x1
goto :goto_4a
:cond_5e
if-eq p1, v1, :cond_9b
.line 33
aget v6, v2, v4
if-le v6, p3, :cond_65
goto :goto_9b
:cond_65
:goto_65
if-ge p1, v1, :cond_79
.line 36
invoke-virtual {v0, p2, p1}, Lcom/dcloud/zxing2/common/BitMatrix;->get(II)Z
move-result v6
if-nez v6, :cond_79
aget v6, v2, v5
if-gt v6, p3, :cond_79
.line 37
aget v6, v2, v5
add-int/2addr v6, v4
aput v6, v2, v5
add-int/lit8 p1, p1, 0x1
goto :goto_65
.line 40
:cond_79
aget p2, v2, v5
if-le p2, p3, :cond_7e
return v7
.line 44
:cond_7e
aget p2, v2, v3
aget p3, v2, v4
add-int/2addr p2, p3
aget p3, v2, v5
add-int/2addr p2, p3
sub-int/2addr p2, p4
.line 45
invoke-static {p2}, Ljava/lang/Math;->abs(I)I
move-result p2
mul-int/lit8 p2, p2, 0x5
mul-int/2addr p4, v5
if-lt p2, p4, :cond_91
return v7
.line 49
:cond_91
invoke-direct {p0, v2}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->foundPatternCross([I)Z
move-result p2
if-eqz p2, :cond_9b
invoke-static {v2, p1}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->centerFromEnd([II)F
move-result v7
:cond_9b
:goto_9b
return v7
.end method
.method private foundPatternCross([I)Z
.registers 7
.line 1
iget v0, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->moduleSize:F
const/high16 v1, 0x40000000 # 2.0f
div-float v1, v0, v1
const/4 v2, 0x0
move v3, v2
:goto_8
const/4 v4, 0x3
if-ge v3, v4, :cond_1c
.line 4
aget v4, p1, v3
int-to-float v4, v4
sub-float v4, v0, v4
invoke-static {v4}, Ljava/lang/Math;->abs(F)F
move-result v4
cmpl-float v4, v4, v1
if-ltz v4, :cond_19
return v2
:cond_19
add-int/lit8 v3, v3, 0x1
goto :goto_8
:cond_1c
const/4 p1, 0x1
return p1
.end method
.method private handlePossibleCenter([III)Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;
.registers 10
const/4 v0, 0x0
.line 1
aget v1, p1, v0
const/4 v2, 0x1
aget v3, p1, v2
add-int/2addr v1, v3
const/4 v3, 0x2
aget v4, p1, v3
add-int/2addr v1, v4
.line 2
invoke-static {p1, p3}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->centerFromEnd([II)F
move-result p3
float-to-int v4, p3
.line 3
aget v5, p1, v2
mul-int/2addr v5, v3
invoke-direct {p0, p2, v4, v5, v1}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->crossCheckVertical(IIII)F
move-result p2
.line 4
invoke-static {p2}, Ljava/lang/Float;->isNaN(F)Z
move-result v1
if-nez v1, :cond_57
.line 5
aget v0, p1, v0
aget v1, p1, v2
add-int/2addr v0, v1
aget p1, p1, v3
add-int/2addr v0, p1
int-to-float p1, v0
const/high16 v0, 0x40400000 # 3.0f
div-float/2addr p1, v0
.line 6
iget-object v0, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->possibleCenters:Ljava/util/List;
invoke-interface {v0}, Ljava/util/List;->iterator()Ljava/util/Iterator;
move-result-object v0
:cond_2f
invoke-interface {v0}, Ljava/util/Iterator;->hasNext()Z
move-result v1
if-eqz v1, :cond_46
invoke-interface {v0}, Ljava/util/Iterator;->next()Ljava/lang/Object;
move-result-object v1
check-cast v1, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;
.line 8
invoke-virtual {v1, p1, p2, p3}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;->aboutEquals(FFF)Z
move-result v2
if-eqz v2, :cond_2f
.line 9
invoke-virtual {v1, p2, p3, p1}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;->combineEstimate(FFF)Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;
move-result-object p1
return-object p1
.line 13
:cond_46
new-instance v0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;
invoke-direct {v0, p3, p2, p1}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;-><init>(FFF)V
.line 14
iget-object p1, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->possibleCenters:Ljava/util/List;
invoke-interface {p1, v0}, Ljava/util/List;->add(Ljava/lang/Object;)Z
.line 15
iget-object p1, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->resultPointCallback:Lcom/dcloud/zxing2/ResultPointCallback;
if-eqz p1, :cond_57
.line 16
invoke-interface {p1, v0}, Lcom/dcloud/zxing2/ResultPointCallback;->foundPossibleResultPoint(Lcom/dcloud/zxing2/ResultPoint;)V
:cond_57
const/4 p1, 0x0
return-object p1
.end method
# virtual methods
.method find()Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;
.registers 14
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/dcloud/zxing2/NotFoundException;
}
.end annotation
.line 1
iget v0, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->startX:I
.line 2
iget v1, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->height:I
.line 3
iget v2, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->width:I
add-int/2addr v2, v0
.line 4
iget v3, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->startY:I
div-int/lit8 v4, v1, 0x2
add-int/2addr v3, v4
const/4 v4, 0x3
new-array v4, v4, [I
const/4 v5, 0x0
move v6, v5
:goto_11
if-ge v6, v1, :cond_86
and-int/lit8 v7, v6, 0x1
const/4 v8, 0x2
if-nez v7, :cond_1c
add-int/lit8 v7, v6, 0x1
.line 10
div-int/2addr v7, v8
goto :goto_20
:cond_1c
add-int/lit8 v7, v6, 0x1
div-int/2addr v7, v8
neg-int v7, v7
:goto_20
add-int/2addr v7, v3
aput v5, v4, v5
const/4 v9, 0x1
aput v5, v4, v9
aput v5, v4, v8
move v10, v0
:goto_29
if-ge v10, v2, :cond_36
.line 18
iget-object v11, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->image:Lcom/dcloud/zxing2/common/BitMatrix;
invoke-virtual {v11, v10, v7}, Lcom/dcloud/zxing2/common/BitMatrix;->get(II)Z
move-result v11
if-nez v11, :cond_36
add-int/lit8 v10, v10, 0x1
goto :goto_29
:cond_36
move v11, v5
:goto_37
if-ge v10, v2, :cond_76
.line 23
iget-object v12, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->image:Lcom/dcloud/zxing2/common/BitMatrix;
invoke-virtual {v12, v10, v7}, Lcom/dcloud/zxing2/common/BitMatrix;->get(II)Z
move-result v12
if-eqz v12, :cond_6a
if-ne v11, v9, :cond_49
.line 26
aget v12, v4, v11
add-int/2addr v12, v9
aput v12, v4, v11
goto :goto_73
:cond_49
if-ne v11, v8, :cond_62
.line 29
invoke-direct {p0, v4}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->foundPatternCross([I)Z
move-result v11
if-eqz v11, :cond_58
.line 30
invoke-direct {p0, v4, v7, v10}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->handlePossibleCenter([III)Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;
move-result-object v11
if-eqz v11, :cond_58
return-object v11
.line 35
:cond_58
aget v11, v4, v8
aput v11, v4, v5
aput v9, v4, v9
aput v5, v4, v8
move v11, v9
goto :goto_73
:cond_62
add-int/lit8 v11, v11, 0x1
.line 40
aget v12, v4, v11
add-int/2addr v12, v9
aput v12, v4, v11
goto :goto_73
:cond_6a
if-ne v11, v9, :cond_6e
add-int/lit8 v11, v11, 0x1
.line 47
:cond_6e
aget v12, v4, v11
add-int/2addr v12, v9
aput v12, v4, v11
:goto_73
add-int/lit8 v10, v10, 0x1
goto :goto_37
.line 51
:cond_76
invoke-direct {p0, v4}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->foundPatternCross([I)Z
move-result v8
if-eqz v8, :cond_83
.line 52
invoke-direct {p0, v4, v7, v2}, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->handlePossibleCenter([III)Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;
move-result-object v7
if-eqz v7, :cond_83
return-object v7
:cond_83
add-int/lit8 v6, v6, 0x1
goto :goto_11
.line 62
:cond_86
iget-object v0, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->possibleCenters:Ljava/util/List;
invoke-interface {v0}, Ljava/util/List;->isEmpty()Z
move-result v0
if-nez v0, :cond_97
.line 63
iget-object v0, p0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPatternFinder;->possibleCenters:Ljava/util/List;
invoke-interface {v0, v5}, Ljava/util/List;->get(I)Ljava/lang/Object;
move-result-object v0
check-cast v0, Lcom/dcloud/zxing2/qrcode/detector/AlignmentPattern;
return-object v0
.line 66
:cond_97
invoke-static {}, Lcom/dcloud/zxing2/NotFoundException;->getNotFoundInstance()Lcom/dcloud/zxing2/NotFoundException;
move-result-object v0
throw v0
.end method