com.google.zxing.common.detector

类 MonochromeRectangleDetector

java.lang.Object

com.google.zxing.common.detector.MonochromeRectangleDetector

public final class MonochromeRectangleDetector
extends java.lang.Object

A somewhat generic detector that looks for a barcode-like rectangular region within an image. It looks within a mostly white region of an image for a region of black and white, but mostly black. It returns the four corners of the region, as best it can determine.

作者:

Sean Owen

构造器概要

构造器

构造器和说明
MonochromeRectangleDetector(BitMatrix image)

方法概要

限定符和类型	方法和说明
ResultPoint[]	detect() Detects a rectangular region of black and white -- mostly black -- with a region of mostly white, in an image.

从类继承的方法 java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

MonochromeRectangleDetector

public MonochromeRectangleDetector(BitMatrix image)

方法详细资料

detect

public ResultPoint[] detect()
                     throws NotFoundException

Detects a rectangular region of black and white -- mostly black -- with a region of mostly white, in an image.

返回:

ResultPoint[] describing the corners of the rectangular region. The first and last points are opposed on the diagonal, as are the second and third. The first point will be the topmost point and the last, the bottommost. The second point will be leftmost and the third, the rightmost

抛出:

NotFoundException - if no Data Matrix Code can be found