org.eclipse.nebula.widgets.ganttchart

Class ColorCache

java.lang.Object

org.eclipse.nebula.widgets.ganttchart.ColorCache

public final class ColorCache
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static org.eclipse.swt.graphics.RGB	BLACK
static org.eclipse.swt.graphics.RGB	WHITE

Method Summary

Modifier and Type	Method and Description
static void	disposeAll() Disposes all colors held in the cache and colors created when class is created.
static void	disposeCachedColor() Disposes the cached colors only.
static org.eclipse.swt.graphics.Color	getBlack() Returns the color black R0, G0, B0
static org.eclipse.swt.graphics.Color	getColor(int red, int green, int blue) Returns a color that is also cached if it has not been created before.
static org.eclipse.swt.graphics.Color	getColor(org.eclipse.swt.graphics.RGB rgb) Returns a color that is also cached if it has not been created before.
static org.eclipse.swt.graphics.Color	getRandomColor() Returns a random color.
static org.eclipse.swt.graphics.Color	getWhite() Returns the color white R255, G255, B255

Methods inherited from class java.lang.Object

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

Field Detail

BLACK

public static final org.eclipse.swt.graphics.RGB BLACK

WHITE

public static final org.eclipse.swt.graphics.RGB WHITE

Method Detail

disposeAll

public static void disposeAll()

Disposes all colors held in the cache and colors created when class is created.

IMPORTANT: ONLY CALL WHEN YOU WANT TO DISPOSE THE WIDGET USING THIS CLASS!

If you only wish to dispose colors you have created through the use of the class, please use disposeCachedColors()

See Also:

disposeCachedColor()

disposeCachedColor

public static void disposeCachedColor()

Disposes the cached colors only.

getWhite

public static org.eclipse.swt.graphics.Color getWhite()

Returns the color white R255, G255, B255

Returns:

White color

getBlack

public static org.eclipse.swt.graphics.Color getBlack()

Returns the color black R0, G0, B0

Returns:

Black color

getColor

public static org.eclipse.swt.graphics.Color getColor(org.eclipse.swt.graphics.RGB rgb)

Returns a color that is also cached if it has not been created before.

Parameters:

rgb - RGB colors

Returns:

Color

getColor

public static org.eclipse.swt.graphics.Color getColor(int red,
                                                      int green,
                                                      int blue)

Returns a color that is also cached if it has not been created before.

Parameters:

red - Red

green - Green

blue - Blue

Returns:

Color

getRandomColor

public static org.eclipse.swt.graphics.Color getRandomColor()

Returns a random color.

Returns:

random color