com.alee.utils

Class ColorUtils

java.lang.Object

com.alee.utils.ColorUtils

public final class ColorUtils
extends Object

This class provides a set of utilities to work with colors.

Author:

Mikle Garin

Method Summary

Modifier and Type	Method and Description
static Color	fromHex(String hex) Returns color decoded from a hex color string.
static Color	fromRGBA(String rgba) Returns Color decoded from RGBA color string.
static Color	fromRGBA(String rgba, String separator) Returns Color decoded from RGBA color string.
static Color	grayscale(Color color) Returns grayscale version of the specified Color.
static Color	intermediate(Color color1, Color color2, float progress) Returns intermediate Color between two specified Colors.
static Color	opaque(Color color) Returns Color with alpha value set to 255.
static Color	softColor(Color base) Returns randomly generated soft Color based on the specified Color.
static String	toHex(Color color) Returns hex string for the specified Color.
static String	toRGBA(Color color) Returns RGBA color string for the specified Color.
static String	toRGBA(Color color, String separator) Returns RGBA color string for the specified Color.
static Color	transparent() Returns fully transparent white Color.
static Color	transparent(Color color, int alpha) Returns Color with modified alpha value.
static Color	webSafe(Color color) Returns web-safe Color.
static int	webSafe(int value) Returns web-safe color value.

Methods inherited from class java.lang.Object

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

Method Detail

transparent

@NotNull
public static Color transparent()

Returns fully transparent white Color.

Returns:

fully transparent white Color

grayscale

@NotNull
public static Color grayscale(@NotNull
                                       Color color)

Returns grayscale version of the specified Color.

Parameters:

color - Color to make grayscale version of

Returns:

grayscale version of the specified Color

transparent

@NotNull
public static Color transparent(@NotNull
                                         Color color,
                                         int alpha)

Returns Color with modified alpha value.

Parameters:

color - Color to convert

alpha - new alpha value

Returns:

Color with modified alpha value

opaque

@NotNull
public static Color opaque(@NotNull
                                    Color color)

Returns Color with alpha value set to 255.

Parameters:

color - Color to convert

Returns:

Color with alpha value set to 255

webSafe

@NotNull
public static Color webSafe(@NotNull
                                     Color color)

Returns web-safe Color.

Parameters:

color - Color to convert

Returns:

web-safe Color

webSafe

public static int webSafe(int value)

Returns web-safe color value. todo This is still not completely correct todo Color values should approximate relatively to other values

Parameters:

value - value to process

Returns:

web-safe color value

intermediate

@NotNull
public static Color intermediate(@NotNull
                                          Color color1,
                                          @NotNull
                                          Color color2,
                                          float progress)

Returns intermediate Color between two specified Colors.

Parameters:

color1 - first Color

color2 - second Color

progress - progress of the intermediate Color

Returns:

intermediate Color between two specified Colors

toHex

@NotNull
public static String toHex(@NotNull
                                    Color color)

Returns hex string for the specified Color.

Parameters:

color - Color to convert

Returns:

hex string for the specified Color

fromHex

@NotNull
public static Color fromHex(@NotNull
                                     String hex)

Returns color decoded from a hex color string.

Parameters:

hex - hex color string

Returns:

color decoded from a hex color string

toRGBA

@NotNull
public static String toRGBA(@NotNull
                                     Color color)

Returns RGBA color string for the specified Color.

Parameters:

color - Color to convert

Returns:

RGBA color string for the specified Color

toRGBA

@NotNull
public static String toRGBA(@NotNull
                                     Color color,
                                     @NotNull
                                     String separator)

Returns RGBA color string for the specified Color.

Parameters:

color - Color to convert

separator - color values separator

Returns:

RGBA color string for the specified Color

fromRGBA

@NotNull
public static Color fromRGBA(@NotNull
                                      String rgba)

Returns Color decoded from RGBA color string.

Parameters:

rgba - RGBA color string

Returns:

Color decoded from RGBA color string

fromRGBA

@NotNull
public static Color fromRGBA(@NotNull
                                      String rgba,
                                      @NotNull
                                      String separator)

Returns Color decoded from RGBA color string.

Parameters:

rgba - RGBA color string

separator - color values separator

Returns:

Color decoded from RGBA color string

softColor

@NotNull
public static Color softColor(@NotNull
                                       Color base)

Returns randomly generated soft Color based on the specified Color.

Parameters:

base - Color base

Returns:

randomly generated soft Color based on the specified Color