Class ResultPoint

Encapsulates a point of interest in an image containing a barcode. Typically, this would be the location of a finder pattern or the corner of the barcode, for example.

author: Sean Owen

Hierarchy

ResultPoint
- AlignmentPattern
- FinderPattern

Index

Constructors

constructor

Properties

x
y

Methods

Constructors

constructor

new ResultPoint(x: float, y: float): ResultPoint

- Defined in src/core/ResultPoint.ts:29
Parameters
- x: float
- y: float
Returns ResultPoint

Properties

Private x

x: float

Private y

y: float

Methods

equals

equals(other: Object): boolean

- Defined in src/core/ResultPoint.ts:42
Parameters
- other: Object
Returns boolean

getX

getX(): float

- Defined in src/core/ResultPoint.ts:33
Returns float

getY

getY(): float

- Defined in src/core/ResultPoint.ts:37
Returns float

hashCode

hashCode(): int

- Defined in src/core/ResultPoint.ts:51
Returns int

toString

toString(): string

- Defined in src/core/ResultPoint.ts:56
Returns string

Static Private crossProductZ

crossProductZ(pointA: ResultPoint, pointB: ResultPoint, pointC: ResultPoint): float

- Defined in src/core/ResultPoint.ts:118
Returns the z component of the cross product between vectors BC and BA.

Parameters
- pointA: ResultPoint
- pointB: ResultPoint
- pointC: ResultPoint
Returns float

Static distance

distance(pattern1: ResultPoint, pattern2: ResultPoint): float

- Defined in src/core/ResultPoint.ts:111
Parameters
- pattern1: ResultPoint
  
  first pattern
- pattern2: ResultPoint
  
  second pattern
Returns float

distance between two points

Static orderBestPatterns

orderBestPatterns(patterns: Array<ResultPoint>): void

- Defined in src/core/ResultPoint.ts:66
Orders an array of three ResultPoints in an order [A,B,C] such that AB is less than AC and BC is less than AC, and the angle between BC and BA is less than 180 degrees.

Parameters
- patterns: Array<ResultPoint>
  
  array of three {@code ResultPoint} to order
Returns void

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