org.myrobotlab.image

Class Util

java.lang.Object

org.myrobotlab.image.Util

public class Util
extends java.lang.Object

utilities with a swing dependency references: http://www.colblindor.com/color-name-hue/ - excellent resource

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	log

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static java.awt.image.BufferedImage	brighten(java.awt.image.BufferedImage bufferedImage, float amount)
static java.awt.image.BufferedImage	copyImage(java.awt.image.BufferedImage image) Produces a copy of the supplied image
static java.awt.image.BufferedImage	createCompatibleImage(int width, int height) Creates an image compatible with the current display
static javax.swing.ImageIcon	getBrightenedIcon(java.lang.String path, float amount)
java.awt.Color	getColor(java.lang.String colorName)
static java.lang.String	getColorString(java.awt.Color c)
static java.awt.Color	getGradient(int pos, int total)
static java.awt.Image	getImage(java.lang.String path)
static java.awt.Image	getImage(java.lang.String path, java.lang.String defaultImage)
static javax.swing.ImageIcon	getImageIcon(java.lang.String path)
static javax.swing.ImageIcon	getResourceIcon(java.lang.String path)
static java.lang.String	getRessourceDir()
static javax.swing.ImageIcon	getScaledIcon(java.awt.Image image, double scale)
static boolean	hasAlpha(java.awt.Image image)
static java.awt.image.BufferedImage	ImageToBufferedImage(java.awt.Image image)
static java.lang.Boolean	isExistRessourceElement(java.lang.String element) Check if file exist from current resource directory
static java.awt.image.BufferedImage	loadBufferedImage(java.lang.String path)
static java.awt.image.BufferedImage	readBufferedImage(java.lang.String filename)
static java.awt.image.BufferedImage	scaledImage(java.awt.image.BufferedImage image, int width, int height) Produces a resized image that is of the given dimensions
static java.awt.image.BufferedImage	toGray(java.awt.image.BufferedImage bufferedImage)
static void	writeBufferedImage(java.awt.image.BufferedImage newImg, java.lang.String filename)
static void	writeBufferedImage(java.awt.image.BufferedImage newImg, java.lang.String filename, java.lang.String format)

Methods inherited from class java.lang.Object

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

Field Detail

log

public static final org.slf4j.Logger log

Constructor Detail

Util

public Util()

Method Detail

brighten

public static java.awt.image.BufferedImage brighten(java.awt.image.BufferedImage bufferedImage,
                                                    float amount)

copyImage

public static java.awt.image.BufferedImage copyImage(java.awt.image.BufferedImage image)

Produces a copy of the supplied image

Parameters:

image - The original image

Returns:

The new BufferedImage

createCompatibleImage

public static java.awt.image.BufferedImage createCompatibleImage(int width,
                                                                 int height)

Creates an image compatible with the current display

Parameters:

width - int

height - int

Returns:

A BufferedImage with the appropriate color model

getBrightenedIcon

public static javax.swing.ImageIcon getBrightenedIcon(java.lang.String path,
                                                      float amount)

getColorString

public static java.lang.String getColorString(java.awt.Color c)

getGradient

public static java.awt.Color getGradient(int pos,
                                         int total)

getImage

public static java.awt.Image getImage(java.lang.String path)

getImage

public static java.awt.Image getImage(java.lang.String path,
                                      java.lang.String defaultImage)

getImageIcon

public static javax.swing.ImageIcon getImageIcon(java.lang.String path)

getRessourceDir

public static java.lang.String getRessourceDir()

Returns:

current resource directory

isExistRessourceElement

public static java.lang.Boolean isExistRessourceElement(java.lang.String element)

Check if file exist from current resource directory

Returns:

boolean

getResourceIcon

public static final javax.swing.ImageIcon getResourceIcon(java.lang.String path)

getScaledIcon

public static javax.swing.ImageIcon getScaledIcon(java.awt.Image image,
                                                  double scale)

hasAlpha

public static boolean hasAlpha(java.awt.Image image)

ImageToBufferedImage

public static java.awt.image.BufferedImage ImageToBufferedImage(java.awt.Image image)

loadBufferedImage

public static java.awt.image.BufferedImage loadBufferedImage(java.lang.String path)

readBufferedImage

public static final java.awt.image.BufferedImage readBufferedImage(java.lang.String filename)

scaledImage

public static java.awt.image.BufferedImage scaledImage(java.awt.image.BufferedImage image,
                                                       int width,
                                                       int height)

Produces a resized image that is of the given dimensions

Parameters:

image - The original image

width - The desired width

height - The desired height

Returns:

The new BufferedImage

toGray

public static java.awt.image.BufferedImage toGray(java.awt.image.BufferedImage bufferedImage)

writeBufferedImage

public static final void writeBufferedImage(java.awt.image.BufferedImage newImg,
                                            java.lang.String filename)

writeBufferedImage

public static final void writeBufferedImage(java.awt.image.BufferedImage newImg,
                                            java.lang.String filename,
                                            java.lang.String format)

getColor

public java.awt.Color getColor(java.lang.String colorName)