ResultPoint class

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

Constructors

ResultPoint(double x, double y)

Properties

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

x → double

final

y → double

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override

Static Methods

crossProductZ(ResultPoint pointA, ResultPoint pointB, ResultPoint pointC) → double

Returns the z component of the cross product between vectors BC and BA.

distance(ResultPoint pattern1, ResultPoint pattern2) → double

@param pattern1 first pattern @param pattern2 second pattern @return distance between two points

orderBestPatterns(List<ResultPoint> patterns) → void

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.