Package com.everdro1d.libs.swing

Class ImageUtils

java.lang.Object

com.everdro1d.libs.swing.ImageUtils

public class ImageUtils
extends Object

Utility class for handling image-related operations in Swing applications.

This class provides methods for setting frame icons, retrieving application icons, changing icon colors, and applying transformations such as darkening icons.

Features:

• Set the icon of a JFrame from application resources.
• Retrieve an image as an Icon from the application's resources.
• Change the color of an icon while preserving transparency.
• Darken an icon by reducing its brightness.

Example Usage:

 JFrame frame = new JFrame();
 ImageUtils.setFrameIcon(frame, "icons/app_icon.png", MyApp.class);
 

Note: This class cannot be instantiated.

Method Summary

Modifier and Type	Method	Description
static ImageIcon	changeIconColor(Icon icon, Color color)	Changes the color of a given icon to the specified color.
static ImageIcon	darkenIcon(Icon icon)	Darkens the given icon by reducing the brightness of its colors.
static Icon	getApplicationIcon(String internalPath, Class<?> clazz)	Retrieve an image as an Icon from the application's resources.
static void	setFrameIcon(JFrame frame, String internalPath, Class<?> clazz)	Set the icon of the frame.

Methods inherited from class java.lang.Object

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

Method Details

setFrameIcon

public static void setFrameIcon(JFrame frame,
 String internalPath,
 Class<?> clazz)

Set the icon of the frame.

Parameters:

frame - the frame to set the icon of

internalPath - path to the image file within resources

clazz - the class to trace from

getApplicationIcon

public static Icon getApplicationIcon(String internalPath,
 Class<?> clazz)

Retrieve an image as an Icon from the application's resources.

Parameters:

internalPath - path to the image file within resources

clazz - the class to trace from

Returns:

the Icon

changeIconColor

public static ImageIcon changeIconColor(Icon icon,
 Color color)

Changes the color of a given icon to the specified color.

This method creates a new image from the provided icon and applies a color filter to replace the RGB values of non-transparent pixels with the specified color while preserving the alpha (transparency) values.

Parameters:

icon - the icon to change the color of

color - the new color to apply to the icon

Returns:

a new ImageIcon with the applied color, or null if an error occurs

darkenIcon

public static ImageIcon darkenIcon(Icon icon)

Darkens the given icon by reducing the brightness of its colors.

This method creates a new image from the provided icon and applies a darker color transformation to each pixel while preserving the alpha (transparency) values.

Parameters:

icon - the icon to darken

Returns:

a new ImageIcon with the darkened colors, or null if an error occurs