xdev.util

Class ColorUtils

java.lang.Object

xdev.util.ColorUtils

public final class ColorUtils
extends Object

The ColorUtils class provides utility methods for Color handling.

Since:

2.0

Author:

XDEV Software

Method Summary

Modifier and Type	Method and Description
static Color	deriveColor(Color original, int alpha) Creates an sRGB color with the RGB values of the original and the specified alpha value.
static Color	getColorFromRGBString(String... values) Calculates a Color from given RGB String values.
static Color	getDifference(Color c1, Color c2, float pos)
static Color	getMiddle(Color c1, Color c2) Creates a color from the average values of the given c1 and c2.
static String	toString(Color color) Returns the given colors values as concatenated String
static String	toString(Color color, boolean withAlpha) Returns the given colors values as concatenated String

Methods inherited from class java.lang.Object

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

Method Detail

deriveColor

public static Color deriveColor(Color original,
                                int alpha)
                         throws IllegalArgumentException

Creates an sRGB color with the RGB values of the original and the specified alpha value.

Parameters:

original - the original Color

alpha - the alpha component (range 0 - 255)

Returns:

the new created color

Throws:

IllegalArgumentException - if alpha are outside of the range 0 to 255, inclusive

See Also:

Color

getMiddle

public static Color getMiddle(Color c1,
                              Color c2)

Creates a color from the average values of the given c1 and c2.

Parameters:

c1 - first color

c2 - second color

Returns:

the Color with the average values

getDifference

public static Color getDifference(Color c1,
                                  Color c2,
                                  float pos)

getColorFromRGBString

public static Color getColorFromRGBString(String... values)

Calculates a Color from given RGB String values.

Parameters:

values - the RGB String values.

Returns:

the Color representation of the given values, or null if no Color could be calculated.

Since:

4.0

toString

public static String toString(Color color)

Returns the given colors values as concatenated String

Parameters:

color - the color to convert.

Returns:

a string containing the given colors RGB values.

toString

public static String toString(Color color,
                              boolean withAlpha)

Returns the given colors values as concatenated String

Parameters:

color - the color to convert.

withAlpha - indicates whether alpha values should be considered or not.

Returns:

a string containing the given colors RGB values.