com.google.zxing

Class ResultPoint

java.lang.Object

com.google.zxing.ResultPoint

Direct Known Subclasses:

AlignmentPattern, FinderPattern

public class ResultPoint
extends Object

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

Constructor Summary

Constructors

Constructor and Description
ResultPoint(float x, float y)

Method Summary

Modifier and Type	Method and Description
static float	distance(ResultPoint pattern1, ResultPoint pattern2)
boolean	equals(Object other)
float	getX()
float	getY()
int	hashCode()
static void	orderBestPatterns(ResultPoint[] patterns) 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.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ResultPoint

public ResultPoint(float x,
                   float y)

Method Detail

getX

public final float getX()

getY

public final float getY()

equals

public final boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

toString

public final String toString()

Overrides:

toString in class Object

orderBestPatterns

public static void orderBestPatterns(ResultPoint[] patterns)

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 of three ResultPoint to order

distance

public static float distance(ResultPoint pattern1,
                             ResultPoint pattern2)

Parameters:

pattern1 - first pattern

pattern2 - second pattern

Returns:

distance between two points