Java Utililty Methods JComponent Color

List of utility methods to do JComponent Color

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Description

The list of methods to do JComponent Color are organized into topic(s).

Method

JTextAreacreateTextArea(String str, Color color)
create Text Area 
JTextArea desc = new JTextArea(str);
desc.setBackground(color);
desc.setEditable(false);
desc.setCaretColor(color);
desc.setLineWrap(true);
desc.setWrapStyleWord(true);
return desc;
AbstractColorChooserPanelfindPanel(JColorChooser chooser, String name)
find Panel 
AbstractColorChooserPanel[] panels = chooser.getChooserPanels();
for (int i = 0; i < panels.length; i++) {
    String clsName = panels[i].getClass().getName();
    if (clsName.equals(name)) {
        return panels[i];
return null;
...
voidfixOsxColorChooser(JColorChooser chooser)
fix Osx Color Chooser 
if (!UIManager.getLookAndFeel().getName().equals("Mac OS X"))
    return;
AbstractColorChooserPanel[] panels = chooser.getChooserPanels();
for (JPanel p : panels) {
    if (p != null) {
        p.setOpaque(false);
        ((JComponent) p.getParent()).setOpaque(false);
        for (Component c : p.getComponents()) {
...
voidflashMessage(final Window parent, String string, Color background, Color foreground, final long howLong)
flash Message 
final int fontSize = 20;
final JLabel label = new JLabel(string);
final JDialog dialog = new JDialog(parent);
dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
dialog.setModalExclusionType(ModalExclusionType.NO_EXCLUDE);
label.setFont(label.getFont().deriveFont(fontSize));
label.setBackground(background);
label.setForeground(foreground);
...
voidhighlightForDebugging(JComponent component, Color color)
Highlights a given component with a given color. 
component.setBackground(color);
component.setBorder(BorderFactory.createMatteBorder(10, 10, 10, 10, color));
voidinstallColors(Component c, Color background, Color foreground)
install Colors 
Color bg = c.getBackground();
if ((background != null) && ((bg == null) || ((bg instanceof UIResource)))) {
    c.setBackground(background);
Color fg = c.getForeground();
if ((foreground != null) && ((fg == null) || ((fg instanceof UIResource))))
    c.setForeground(foreground);
ImageIconmakeEmptyIcon(Dimension size, Color color)
make Empty Icon 
ImageIcon result = null;
BufferedImage bufferedImage = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_ARGB);
Graphics graphics = bufferedImage.getGraphics();
graphics.setColor(color);
graphics.fillRect(0, 0, size.width, size.height);
result = new ImageIcon(bufferedImage);
return result;
JComponentnewColorComponent(Color value)
new Color Component 
JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 0, 0));
final JPanel label = new JPanel();
label.setPreferredSize(new Dimension(16, 16));
label.setBackground(value);
buttonPanel.add(label);
return buttonPanel;
floatnormalize(float q, float p, float color)
This method was copied from class javax.swing.colorchooser.ColorModelHSL of Java 7. 
if (color < 1.0f) {
    return p + (q - p) * color;
if (color < 3.0f) {
    return q;
if (color < 4.0f) {
    return p + (q - p) * (4.0f - color);
...
voidrecursiveSetBackground(Component comp, Color color)
recursive Set Background 
if (comp instanceof JToolBar || comp instanceof JButton)
    return;
comp.setBackground(color);
if (comp instanceof Container) {
    Container cc = (Container) comp;
    for (int i = 0; i < cc.getComponentCount(); i++)
        recursiveSetBackground(cc.getComponent(i), color);