Modul com.github.hypfvieh.java.utils

Package com.github.hypfvieh.imaging

Klasse AbstractImgHash

java.lang.Object

com.github.hypfvieh.imaging.AbstractImgHash

Bekannte direkte Unterklassen:

ImgAHash, ImgDHash, ImgPHash

public abstract class AbstractImgHash
extends Object

Konstruktorübersicht

Konstruktoren

Konstruktor	Beschreibung
AbstractImgHash()

Methodenübersicht

Modifizierer und Typ	Methode	Beschreibung
protected String	bitmaskToHex(boolean[] bitMask, int _minLen)	Converts a bitmask (array of boolean) to a hex string.
protected int[]	createPixelArray(BufferedImage _image)	Convert the given image to an array of integer, where each array entry represents one pixel.
protected double[][]	createPixelArrayMatrix(BufferedImage _image)	Creates a pixel array matrix from the given image.
protected BufferedImage	resizeAndGrayScale(int _width, int _height, BufferedImage _input)	Convert the given image to grayscale and resize it to the given scale.

Von Klasse geerbte Methoden java.lang.Object

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

Konstruktordetails

AbstractImgHash

public AbstractImgHash()

Methodendetails

createPixelArray

protected int[] createPixelArray(BufferedImage _image)

Convert the given image to an array of integer, where each array entry represents one pixel. The image is read from top to bottom, left to right.

Parameter:

_image - image

Gibt zurück:

int array or null if _image is null

createPixelArrayMatrix

protected double[][] createPixelArrayMatrix(BufferedImage _image)

Creates a pixel array matrix from the given image.

Parameter:

_image - image

Gibt zurück:

array of double array or null if _image is null

resizeAndGrayScale

protected BufferedImage resizeAndGrayScale(int _width,
 int _height,
 BufferedImage _input)

Convert the given image to grayscale and resize it to the given scale. Will return a new BufferedImage instance.

Parameter:

_width - width

_height - heigth

_input - input image

Gibt zurück:

BufferedImage or null if _input is null

bitmaskToHex

protected String bitmaskToHex(boolean[] bitMask,
 int _minLen)

Converts a bitmask (array of boolean) to a hex string.

Parameter:

bitMask - mask

_minLen - length

Gibt zurück:

string