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.

Constructor Summary

Constructors
Constructor Description

MonochromeRectangleDetector(BitMatrix image)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ResultPoint[]`	`detect()`	Detects a rectangular region of black and white -- mostly black -- with a region of mostly white, in an image.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MonochromeRectangleDetector
```
public MonochromeRectangleDetector(BitMatrix image)
```
- Method Detail
  - 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.
    
    Returns:
    
    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
    
    Throws:
    
    NotFoundException - if no Data Matrix Code can be found