java.lang.Object
- org.hortonmachine.gears.modules.utils.BinaryFast

```
public class BinaryFast
extends Object
```
Class BinaryFast is a representation of a binary image storing the foreground and background edge pixels in hash tables for efficiency.

Author:

Simon Horne., Andrea Antonello (www.hydrologis.com)

Field Summary

Fields
Modifier and Type Field Description

static int BACKGROUND
Background is black.

static int FOREGROUND
Foreground is white.

Constructor Summary

Constructors
Constructor Description

BinaryFast(int[][] data)
Create a BinaryFast object based on a data matrix.

BinaryFast(RenderedImage renderedImage)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addPixel(Point p)`	Adds a foreground pixel to the 2D array by setting its value to foreground.
`int[]`	`convertToArray()`	Converts the 2D array into a 1D array of pixel values.
`void`	`convertToPixels(HashSet<Point> pix)`	Adds the pixels from a hash set to the 2D array of pixels.
`void`	`generateBackgroundEdgeFromForegroundEdge()`	Generates the background edge hash set from the foreground edge hash set and the 2D array of pixels.
`void`	`generateForegroundEdge()`	Generates the foreground edge hash set from the 2D array of pixels.
`void`	`generateForegroundEdgeFromBackgroundEdge()`	Generates the foreground edge hash set from the background edge hash set and the 2D array of pixels.
`void`	`generatePixels(HashSet<Point> pix)`	Generates a new 2D array of pixels from a hash set of foreground pixels.
`HashSet<Point>`	`getBackgroundEdgePixels()`
`HashSet<Point>`	`getForegroundEdgePixels()`
`int`	`getHeight()`
`int[][]`	`getPixels()`
`int[]`	`getValues()`	Returns the int [] values of the Binary Fast image
`int`	`getWidth()`
`void`	`removePixel(Point p)`	Removes a foreground pixel from the 2D array by setting its value to background.

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

- Field Detail
  - BACKGROUND
```
public static final int BACKGROUND
```
    Background is black.
    
    See Also:
    
    Constant Field Values
  - FOREGROUND
```
public static final int FOREGROUND
```
    Foreground is white.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - BinaryFast
```
public BinaryFast(int[][] data)
```
    Create a BinaryFast object based on a data matrix.
    Note that the matrix cycles over matrix[i][j], where i = columns and j = rows.
    
    Parameters:
    
    data - the data matrix already in FOREGROUND, BACKGROUND mode.
  - BinaryFast
```
public BinaryFast(RenderedImage renderedImage)
```
- Method Detail
  - removePixel
```
public void removePixel(Point p)
```
    Removes a foreground pixel from the 2D array by setting its value to background.
    
    Parameters:
    
    p - The point to be removed.
  - addPixel
```
public void addPixel(Point p)
```
    Adds a foreground pixel to the 2D array by setting its value to foreground.
    
    Parameters:
    
    p - The point to be added.
  - convertToArray
```
public int[] convertToArray()
```
    Converts the 2D array into a 1D array of pixel values.
    
    Returns:
    
    The 1D array of pixel values.
  - generatePixels
```
public void generatePixels(HashSet<Point> pix)
```
    Generates a new 2D array of pixels from a hash set of foreground pixels.
    
    Parameters:
    
    pix - The hash set of foreground pixels.
  - convertToPixels
```
public void convertToPixels(HashSet<Point> pix)
```
    Adds the pixels from a hash set to the 2D array of pixels.
    
    Parameters:
    
    pix - The hash set of foreground pixels to be added.
  - generateForegroundEdge
```
public void generateForegroundEdge()
```
    Generates the foreground edge hash set from the 2D array of pixels.
  - generateBackgroundEdgeFromForegroundEdge
```
public void generateBackgroundEdgeFromForegroundEdge()
```
    Generates the background edge hash set from the foreground edge hash set and the 2D array of pixels.
  - generateForegroundEdgeFromBackgroundEdge
```
public void generateForegroundEdgeFromBackgroundEdge()
```
    Generates the foreground edge hash set from the background edge hash set and the 2D array of pixels.
  - getValues
```
public int[] getValues()
```
    Returns the int [] values of the Binary Fast image
    
    Returns:
    
    int[] the greylevel array of the image
  - getForegroundEdgePixels
```
public HashSet<Point> getForegroundEdgePixels()
```
  - getBackgroundEdgePixels
```
public HashSet<Point> getBackgroundEdgePixels()
```
  - getPixels
```
public int[][] getPixels()
```
  - getWidth
```
public int getWidth()
```
  - getHeight
```
public int getHeight()
```

Modifier and Type	Field	Description
`static int`	`BACKGROUND`	Background is black.
`static int`	`FOREGROUND`	Foreground is white.

Constructor	Description
`BinaryFast(int[][] data)`	Create a `BinaryFast` object based on a data matrix.
`BinaryFast(RenderedImage renderedImage)`

Class BinaryFast

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

BACKGROUND

FOREGROUND

Constructor Detail

BinaryFast

BinaryFast

Method Detail

removePixel

addPixel

convertToArray

generatePixels

convertToPixels

generateForegroundEdge

generateBackgroundEdgeFromForegroundEdge

generateForegroundEdgeFromBackgroundEdge

getValues

getForegroundEdgePixels

getBackgroundEdgePixels

getPixels

getWidth

getHeight