com.dlsc.flexgantt.swing.util
Class ColorUtil

java.lang.Object
  com.dlsc.flexgantt.swing.util.ColorUtil

public class ColorUtil
extends java.lang.Object

A utility class for dealing with instances of Color.

Since:

1.0

Author:

Dirk Lemmermann

Method Summary

static int	getDefaultAlpha() Returns the default alpha value used for making colors transparent.
static java.awt.Color	makeTransparent(java.awt.Color color) Converts the given color into a transparent color with the same red, green, blue values.
static java.awt.Color	makeTransparent(java.awt.Color color, int alpha) Converts the given color into a transparent color with the same red, green, blue values.
static void	setDefaultAlpha(int alpha) Sets the default alpha value used for making colors transparent.

Methods inherited from class java.lang.Object

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

Method Detail

makeTransparent

public static java.awt.Color makeTransparent(java.awt.Color color)

Converts the given color into a transparent color with the same red, green, blue values. This method delegates to the method makeTransparent(Color, int) and uses the default alpha value.

Parameters:

color - the now transparent copy of the passed in color

Returns:

the now transparent color

Since:

1.0

See Also:

setDefaultAlpha(int)

makeTransparent

public static java.awt.Color makeTransparent(java.awt.Color color,
                                             int alpha)

Converts the given color into a transparent color with the same red, green, blue values.

Parameters:

color - the now transparent copy of the passed in color

alpha - the alpha value that will be used for the new color

Returns:

the now transparent copy of the passed in color

Since:

1.0

getDefaultAlpha

public static int getDefaultAlpha()

Returns the default alpha value used for making colors transparent.

Returns:

the default alpha value ([0, 255])

Since:

1.0

See Also:

makeTransparent(Color)

setDefaultAlpha

public static void setDefaultAlpha(int alpha)

Sets the default alpha value used for making colors transparent.

Parameters:

alpha - the default alpha value ([0, 255])

Since:

1.0

See Also:

makeTransparent(Color)