import java.awt.*;

import java.awt.event.*;

import java.io.*;

import java.net.*;

import javax.swing.*;

import javax.swing.border.*;

import javax.swing.event.*;

public class HSLColorDemo extends JPanel

implements ChangeListener

{

private JSpinner red;

private JSpinner green;

private JSpinner blue;

private JSpinner hue;

private JSpinner saturation;

private JSpinner luminance;

private JPanel theColor;

private HSLColor hslColor;

private JTabbedPane tabbedPane;

private JRadioButton useRGB;

private JRadioButton useHSL;

HSLColorDemo()

{

setBorder( new EmptyBorder(10, 10, 20, 10) );

RelativeLayout rl = new RelativeLayout(RelativeLayout.Y_AXIS, 20);

rl.setBorderGap(0);

setLayout( rl );

JPanel north = createNorthPanel();

tabbedPane = new JTabbedPane();

tabbedPane.addTab("Hue", (Component)null);

tabbedPane.addTab("Saturation", (Component)null);

tabbedPane.addTab("Luminance", (Component)null);

tabbedPane.addTab("Tone", (Component)null);

tabbedPane.addTab("Shade", (Component)null);

add(north);

add(tabbedPane);

red.setValue(111);

green.setValue(140);

blue.setValue(222);

red.addChangeListener( this );

green.addChangeListener( this );

blue.addChangeListener( this );

hue.addChangeListener( this );

saturation.addChangeListener( this );

luminance.addChangeListener( this );

useRGB.setSelected( true );

updateHSL();

}

private JPanel createNorthPanel()

{

RelativeLayout rl = new RelativeLayout(RelativeLayout.X_AXIS, 10);

JPanel panel = new JPanel( rl );

// Left for RGB

RelativeLayout rlLeft = new RelativeLayout(RelativeLayout.Y_AXIS);

rlLeft.setAlignment(RelativeLayout.LEADING);

JPanel left = new JPanel( rlLeft );

left.setBorder( new TitledBorder("RGB") );

JPanel l1 = new JPanel( new FlowLayout(FlowLayout.LEFT) );

red = new JSpinner(new SpinnerNumberModel(0, 0, 255 ,10));

l1.add( red );

l1.add( new JLabel("Red") );

left.add( l1 );

JPanel l2 = new JPanel( new FlowLayout(FlowLayout.LEFT) );

green = new JSpinner(new SpinnerNumberModel(0, 0, 255 ,10));

l2.add( green );

l2.add( new JLabel("Green") );

left.add( l2 );

JPanel l3 = new JPanel( new FlowLayout(FlowLayout.LEFT) );

blue = new JSpinner(new SpinnerNumberModel(0, 0, 255 ,10));

l3.add( blue );

l3.add( new JLabel("Blue") );

left.add( l3 );

// Center

theColor = new JPanel();

theColor.setBorder( new LineBorder(Color.BLACK) );

theColor.setPreferredSize( new Dimension(50, 100) );

// Right for HSL

RelativeLayout rlRight = new RelativeLayout(RelativeLayout.Y_AXIS);

rlRight.setAlignment(RelativeLayout.LEADING);

JPanel right = new JPanel( rlRight );

right.setBorder( new TitledBorder("HSL") );

JPanel r1 = new JPanel( new FlowLayout(FlowLayout.LEFT) );

hue = new JSpinner(new SpinnerNumberModel(0, 0, 360 ,10));

r1.add( hue );

r1.add( new JLabel("Hue") );

right.add( r1 );

JPanel r2 = new JPanel( new FlowLayout(FlowLayout.LEFT) );

saturation = new JSpinner(new SpinnerNumberModel(0, 0, 100 ,5));

r2.add( saturation );

r2.add( new JLabel("Saturation") );

right.add( r2 );

JPanel r3 = new JPanel( new FlowLayout(FlowLayout.LEFT) );

luminance = new JSpinner(new SpinnerNumberModel(0, 0, 100 ,5));

r3.add( luminance );

r3.add( new JLabel("Luminance") );

right.add( r3 );

// Create radio buttons

useRGB = new JRadioButton("Use RGB values");

useHSL = new JRadioButton("Use HSL values");

ButtonGroup bg = new ButtonGroup();

bg.add( useRGB );

bg.add( useHSL );

// Add components to the panel

panel.add(Box.createGlue(), new Float(1));

panel.add( useRGB );

panel.add(left);

panel.add(theColor);

panel.add(right);

panel.add( useHSL );

panel.add(Box.createGlue(), new Float(1));

return panel;

}

private void updateHSL()

{

Color rgb = new Color(

(Integer)red.getValue(), (Integer)green.getValue(), (Integer)blue.getValue());

theColor.setBackground( rgb );

hslColor = new HSLColor( rgb );

hue.setValue((int)hslColor.getHue());

saturation.setValue((int)hslColor.getSaturation());

luminance.setValue((int)hslColor.getLuminance());

updateTabbedPane();

}

private void updateRGB()

{

hslColor = new HSLColor(

(Integer)hue.getValue(), (Integer)saturation.getValue(), (Integer)luminance.getValue());

Color rgb = hslColor.getRGB();

theColor.setBackground( rgb );

red.setValue((int)rgb.getRed());

green.setValue((int)rgb.getGreen());

blue.setValue((int)rgb.getBlue());

updateTabbedPane();

}

private void updateTabbedPane()

{

updateHue();

updateSaturation();

updateLuminance();

updateTone();

updateShade();

}

private void updateHue()

{

JPanel main = new JPanel( new BorderLayout() );

JPanel panel1 = new JPanel( new GridLayout(1, 0) );

JPanel panel2 = new JPanel( new GridLayout(1, 0) );

int width = 30;

Dimension example = new Dimension(width, 25);

Dimension label = new Dimension(width, 100);

int saturation = (int)hslColor.getHue();

for (int i = 0; i < 25; i++)

{

JLabel label1 = new JLabel();

label1.setOpaque(true);

int degrees = ((i * 15) + saturation) % 360;

label1.setBackground( hslColor.adjustHue(degrees) );

label1.setPreferredSize( label );

label1.setToolTipText( label1.getBackground().toString() );

panel1.add( label1 );

JLabel label2 = new JLabel("" + degrees);

label2.setHorizontalAlignment(JLabel.CENTER);

label2.setPreferredSize( example );

panel2.add( label2 );

}

main.add(panel1, BorderLayout.NORTH);

main.add(panel2, BorderLayout.CENTER);

tabbedPane.setComponentAt(0, main);

}

private void updateSaturation()

{

JPanel main = new JPanel( new BorderLayout() );

JPanel panel1 = new JPanel( new GridLayout(1, 0) );

JPanel panel2 = new JPanel( new GridLayout(1, 0) );

int width = 30;

Dimension example = new Dimension(width, 25);

Dimension label = new Dimension(width, 100);

for (int i = 100; i >= 0; i -= 5)

{

JLabel label1 = new JLabel();

label1.setOpaque(true);

label1.setBackground( hslColor.adjustSaturation(i) );

label1.setPreferredSize( label );

label1.setToolTipText( label1.getBackground().toString() );

panel1.add( label1 );

JLabel label2 = new JLabel("" + i);

label2.setHorizontalAlignment(JLabel.CENTER);

label2.setPreferredSize( example );

panel2.add( label2 );

}

main.add(panel1, BorderLayout.NORTH);

main.add(panel2, BorderLayout.CENTER);

tabbedPane.setComponentAt(1, main);

}

private void updateLuminance()

{

JPanel main = new JPanel( new BorderLayout() );

JPanel panel1 = new JPanel( new GridLayout(1, 0) );

JPanel panel2 = new JPanel( new GridLayout(1, 0) );

int width = 30;

Dimension example = new Dimension(width, 25);

Dimension label = new Dimension(width, 100);

for (int i = 100; i >= 0; i -= 5)

{

JLabel label1 = new JLabel();

label1.setOpaque(true);

label1.setBackground( hslColor.adjustLuminance(i) );

label1.setPreferredSize( label );

label1.setToolTipText( label1.getBackground().toString() );

panel1.add( label1 );

JLabel label2 = new JLabel("" + i);

label2.setHorizontalAlignment(JLabel.CENTER);

label2.setPreferredSize( example );

panel2.add( label2 );

}

main.add(panel1, BorderLayout.NORTH);

main.add(panel2, BorderLayout.CENTER);

tabbedPane.setComponentAt(2, main);

}

private void updateTone()

{

JPanel main = new JPanel( new BorderLayout() );

JPanel panel1 = new JPanel( new GridLayout(1, 0) );

JPanel panel2 = new JPanel( new GridLayout(1, 0) );

int width = 30;

Dimension example = new Dimension(width, 25);

Dimension label = new Dimension(width, 100);

for (int i = 1; i < 11; i++)

{

JLabel label1 = new JLabel();

label1.setOpaque(true);

int percent = i * 5;

label1.setBackground( hslColor.adjustTone(percent) );

label1.setPreferredSize( label );

label1.setToolTipText( label1.getBackground().toString() );

panel1.add( label1 );

JLabel label2 = new JLabel(percent + "%");

label2.setHorizontalAlignment(JLabel.CENTER);

label2.setPreferredSize( example );

panel2.add( label2 );

}

main.add(panel1, BorderLayout.NORTH);

main.add(panel2, BorderLayout.CENTER);

tabbedPane.setComponentAt(3, main);

}

private void updateShade()

{

JPanel main = new JPanel( new BorderLayout() );

JPanel panel1 = new JPanel( new GridLayout(1, 0) );

JPanel panel2 = new JPanel( new GridLayout(1, 0) );

int width = 30;

Dimension example = new Dimension(width, 25);

Dimension label = new Dimension(width, 100);

for (int i = 1; i < 11; i++)

{

JLabel label1 = new JLabel();

label1.setOpaque(true);

int percent = i * 5;

label1.setBackground( hslColor.adjustShade(percent) );

label1.setPreferredSize( label );

label1.setToolTipText( label1.getBackground().toString() );

panel1.add( label1 );

JLabel label2 = new JLabel(percent + "%");

label2.setHorizontalAlignment(JLabel.CENTER);

label2.setPreferredSize( example );

panel2.add( label2 );

}

main.add(panel1, BorderLayout.NORTH);

main.add(panel2, BorderLayout.CENTER);

tabbedPane.setComponentAt(4, main);

}

public void stateChanged(ChangeEvent e)

{

if (useRGB.isSelected())

updateHSL();

else

updateRGB();

}

public static void main(String[] args)

{

SwingUtilities.invokeLater(new Runnable() {

public void run() {

createAndShowGUI();

}

});

}

public static void createAndShowGUI()

{

JFrame.setDefaultLookAndFeelDecorated(true);

JFrame frame = new JFrame("HSLColor");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.add( new HSLColorDemo() );

frame.setSize(800, 360);

// frame.pack();

frame.setLocationRelativeTo(null);

frame.setVisible(true);

}

}