Class ColorWheelImageProducer

java.lang.Object

java.awt.image.MemoryImageSource

org.pushingpixels.radiance.theming.internal.contrib.randelshofer.quaqua.colorchooser.ColorWheelImageProducer

All Implemented Interfaces:

ImageProducer

public class ColorWheelImageProducer
extends MemoryImageSource

Produces the image of a ColorWheel.

Version:

1.0 August 27, 2005 Created.

See Also:

• ColorWheel

Field Summary

Fields

Modifier and Type	Field	Description
private int[]	alphas	Lookup table for alphas.
private float	brightness
private int	h
private float[]	hues	Lookup table for hues.
private boolean	isDirty
private int[]	pixels
private float[]	saturations	Lookup table for saturations.
private int	w

Constructor Summary

Constructors

Constructor	Description
ColorWheelImageProducer(int w, int h)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
void	generateColorWheel()
private void	generateLookupTables()
int	getRadius()
boolean	needsGeneration()
void	regenerateColorWheel()
void	setBrightness(float newValue)

Methods inherited from class MemoryImageSource

addConsumer, isConsumer, newPixels, newPixels, newPixels, newPixels, newPixels, removeConsumer, requestTopDownLeftRightResend, setAnimated, setFullBufferUpdates, startProduction

Methods inherited from class Object

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

Field Details

pixels

private int[] pixels

w

private int w

h

private int h

brightness

private float brightness

isDirty

private boolean isDirty

hues

private float[] hues

Lookup table for hues.

saturations

private float[] saturations

Lookup table for saturations.

alphas

private int[] alphas

Lookup table for alphas. The alpha value is used for antialiasing the color wheel.

Constructor Details

ColorWheelImageProducer

public ColorWheelImageProducer(int w,
 int h)

Creates a new instance.

Method Details

getRadius

public int getRadius()

generateLookupTables

private void generateLookupTables()

setBrightness

public void setBrightness(float newValue)

needsGeneration

public boolean needsGeneration()

regenerateColorWheel

public void regenerateColorWheel()

generateColorWheel

public void generateColorWheel()