How to use javax.swing.plaf.nimbus

private Color color1 = decodeColor("nimbusOrange", 0.032459438f, -0.55535716f, -0.109803945f, 0);
private Color color2 = decodeColor("nimbusOrange", 0.08801502f, 0.3642857f, -0.4784314f, 0);
private Color color3 = decodeColor("nimbusOrange", 0.08801502f, -0.63174605f, 0.43921566f, 0);
private Color color4 = decodeColor("nimbusOrange", 0.05468172f, -0.6145278f, 0.37647057f, 0);
private Color color5 = decodeColor("nimbusOrange", 0.032459438f, -0.5953556f, 0.32549018f, 0);
private Color color6 = decodeColor("nimbusOrange", 0.032459438f, -0.54616207f, -0.02352941f, 0);
private Color color7 = decodeColor("nimbusOrange", 0.08801502f, -0.6317773f, 0.4470588f, 0);
private Color color8 = decodeColor("nimbusOrange", 0.021348298f, -0.61547136f, 0.41960782f, 0);
private Color color9 = decodeColor("nimbusOrange", 0.032459438f, -0.5985242f, 0.39999998f, 0);
private Color color10 = decodeColor("nimbusOrange", 0.08801502f, 0.3642857f, -0.52156866f, 0);
private Color color11 = decodeColor("nimbusOrange", 0.027408898f, -0.5847884f, 0.2980392f, 0);
private Color color12 = decodeColor("nimbusOrange", 0.035931647f, -0.5553123f, 0.23137254f, 0);
private Color color13 = decodeColor("nimbusOrange", 0.029681683f, -0.5281874f, 0.18039215f, 0);
private Color color14 = decodeColor("nimbusOrange", 0.03801495f, -0.5456242f, 0.3215686f, 0);
private Color color15 = decodeColor("nimbusOrange", 0.032459438f, -0.59181184f, 0.25490195f, 0);
private Color color16 = decodeColor("nimbusOrange", 0.05468172f, -0.58308274f, 0.19607842f, 0);
private Color color17 = decodeColor("nimbusOrange", 0.046348333f, -0.6006266f, 0.34509802f, 0);
private Color color18 = decodeColor("nimbusOrange", 0.046348333f, -0.60015875f, 0.3333333f, 0);
private Color color19 = decodeColor("nimbusOrange", 0.004681647f, -0.6197143f, 0.43137252f, 0);
private Color color20 = decodeColor("nimbusOrange", 7.13408E-4f, -0.543609f, 0.34509802f, 0);
private Color color21 = decodeColor("nimbusOrange", -0.0020751357f, -0.45610264f, 0.2588235f, 0);
private Color color22 = decodeColor("nimbusOrange", 5.1498413E-4f, -0.43866998f, 0.24705881f, 0);
private Color color23 = decodeColor("nimbusOrange", 5.1498413E-4f, -0.44879842f, 0.29019606f, 0);
private Color color24 = decodeColor("nimbusOrange", 5.1498413E-4f, -0.08776909f, -0.2627451f, 0);
private Color color25 = decodeColor("nimbusOrange", 0.06332368f, 0.3642857f, -0.4431373f, 0);
private Color color26 = decodeColor("nimbusOrange", 0.004681647f, -0.6198413f, 0.43921566f, 0);
private Color color27 = decodeColor("nimbusOrange", -0.0022627711f, -0.5335866f, 0.372549f, 0);
private Color color28 = decodeColor("nimbusOrange", -0.0017285943f, -0.4608264f, 0.32549018f, 0);
private Color color29 = decodeColor("nimbusOrange", 5.1498413E-4f, -0.4555341f, 0.3215686f, 0);

private Color color2 = decodeColor("nimbusOrange", 0.08801502f, 0.3642857f, -0.4784314f, 0);
private Color color3 = decodeColor("nimbusOrange", 5.1498413E-4f, -0.45471883f, 0.31764704f, 0);
private Color color4 = decodeColor("nimbusOrange", 5.1498413E-4f, -0.4633005f, 0.3607843f, 0);
private Color color5 = decodeColor("nimbusOrange", 0.05468172f, -0.58308274f, 0.19607842f, 0);
private Color color6 = decodeColor("nimbusOrange", -0.57865167f, -0.6357143f, -0.54901963f, 0);
private Color color7 = decodeColor("nimbusOrange", 5.1498413E-4f, -0.4690476f, 0.39215684f, 0);
private Color color8 = decodeColor("nimbusOrange", 5.1498413E-4f, -0.47635174f, 0.4352941f, 0);
private Color color9 = decodeColor("nimbusOrange", 0.0f, -0.05401492f, 0.05098039f, 0);
private Color color10 = decodeColor("nimbusOrange", 0.0f, -0.09303135f, 0.09411764f, 0);
  super();
  this.state = state;
  this.ctx = new AbstractRegionPainter.PaintContext(new Insets(0, 5, 6, 5), new Dimension(5, 24), false );
    rect.setRect(decodeX(0.0f), //x
           decodeY(1.0f), //y
           decodeX(0.0f) - decodeX(0.0f), //width
           decodeY(1.0f) - decodeY(1.0f)); //height
  return rect;
    rect.setRect(decodeX(0.0f), //x
           decodeY(2.1666667f), //y
           decodeX(3.0f) - decodeX(0.0f), //width
           decodeY(3.0f) - decodeY(2.1666667f)); //height
  return rect;
  float w = (float)bounds.getWidth();
  float h = (float)bounds.getHeight();
  return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,

 UIDefaults defaults = UIManager.getLookAndFeelDefaults();
defaults.put("TextPane[Enabled].backgroundPainter", 
  new javax.swing.plaf.nimbus.AbstractRegionPainter() {

    @Override
    protected AbstractRegionPainter.PaintContext getPaintContext() {
      return new AbstractRegionPainter.PaintContext(null, null, false);
    }

    @Override
    protected void doPaint(Graphics2D g, JComponent c, 
        int width, int height, Object[] extendedCacheKeys) {
      g.setColor(bgColor);
      g.fillRect(0, 0, width, height);
    }
  });
jtxtPane.putClientProperty("Nimbus.Overrides", defaults);
jtxtPane.putClientProperty("Nimbus.Overrides.InheritDefaults", false);

private Color color17 = decodeColor("nimbusOrange",  .0f,           .0f,         .0f,       -156);
private Color color18 = decodeColor("nimbusOrange", -.015796512f,   .02094239f, -.15294117f,   0);
private Color color19 = decodeColor("nimbusOrange", -.004321605f,   .02094239f, -.0745098f,    0);
private Color color20 = decodeColor("nimbusOrange", -.008021399f,   .02094239f, -.10196078f,   0);
private Color color21 = decodeColor("nimbusOrange", -.011706904f,  -.1790576f,  -.02352941f,   0);
private Color color22 = decodeColor("nimbusOrange", -.048691254f,   .02094239f, -.3019608f,    0);
private Color color23 = decodeColor("nimbusOrange",  .003940329f,  -.7375322f,   .17647058f,   0);
private Color color24 = decodeColor("nimbusOrange",  .005506739f,  -.46764207f,  .109803915f,  0);
private Color color25 = decodeColor("nimbusOrange",  .0042127445f, -.18595415f,  .04705882f,   0);
private Color color26 = decodeColor("nimbusOrange",  .0047626942f,  .02094239f,  .0039215684f, 0);
private Color color27 = decodeColor("nimbusOrange",  .0047626942f, -.15147138f,  .1607843f,    0);
private Color color28 = decodeColor("nimbusOrange",  .010665476f,  -.27317524f,  .25098038f,   0);
private Rectangle2D rect = new Rectangle2D.Float(0, 0, 0, 0);
private Path2D path = new Path2D.Float();
private PaintContext ctx = new PaintContext(new Insets(5, 5, 5, 5), new Dimension(29, 19), false);
@Override public void doPaint(Graphics2D g, JComponent c, int width, int height, Object[] extendedCacheKeys) {
 path = decodePath1();
 path.moveTo(decodeX(0.6f), decodeY(0.12666667f));
 path.curveTo(decodeAnchorX(0.6000000238418579f, -2.0f), decodeAnchorY(0.12666666507720947f, 0.0f), decodeAnchorX(0.12666666507720947f, 0.0f), decodeAnchorY(0.6000000238418579f, -2.0f), decodeX(0.12666667f), decodeY(0.6f));
 path.curveTo(decodeAnchorX(0.12666666507720947f, 0.0f), decodeAnchorY(0.6000000238418579f, 2.0f), decodeAnchorX(0.12666666507720947f, 0.0f), decodeAnchorY(2.4000000953674316f, -2.0f), decodeX(0.12666667f), decodeY(2.4f));
 path.curveTo(decodeAnchorX(0.12666666507720947f, 0.0f), decodeAnchorY(2.4000000953674316f, 2.0f), decodeAnchorX(0.6000000238418579f, -2.0f), decodeAnchorY(2.8933334350585938f, 0.0f), decodeX(0.6f), decodeY(2.8933334f));
 path.curveTo(decodeAnchorX(0.6000000238418579f, 2.0f), decodeAnchorY(2.8933334350585938f, 0.0f), decodeAnchorX(3.0f, 0.0f), decodeAnchorY(2.8933334350585938f, 0.0f), decodeX(3.0f), decodeY(2.8933334f));
 path.lineTo(decodeX(3.0f), decodeY(2.6f));
 path.lineTo(decodeX(0.4f), decodeY(2.6f));
 path.lineTo(decodeX(0.4f), decodeY(0.4f));
 path.lineTo(decodeX(3.0f), decodeY(0.4f));
 path.lineTo(decodeX(3.0f), decodeY(0.120000005f));
 path.curveTo(decodeAnchorX(3.0f, 0.0f), decodeAnchorY(0.12000000476837158f, 0.0f), decodeAnchorX(0.6000000238418579f, 2.0f), decodeAnchorY(0.12666666507720947f, 0.0f), decodeX(0.6f), decodeY(0.12666667f));

  private static void openMainForm(String title, Parameters parameters) {
    try {
      UIManager.setLookAndFeel(new NimbusLookAndFeel());
    } catch (UnsupportedLookAndFeelException e) {
      throw new RuntimeException(e);
    }

    MainFrame form = new MainFrame(title, parameters);
    form.pack();
    form.setLocationRelativeTo(null);
    form.setVisible(true);
  }
}

@Override
public UIDefaults getDefaults()
{
 UIDefaults defaults = super.getDefaults();
 GraphicsDevice gd = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
 if(gd.getDisplayMode().getWidth() > 2000)
 {
  defaults.put("defaultFont", new Font(Font.SANS_SERIF, Font.PLAIN, 18));
 }
 return defaults;
}

 @Override
 public void provideErrorFeedback(Component component) {
  if (Configurations.currentConfiguration.getSound().isAlertSound()) {
   super.provideErrorFeedback(component);
  }
 }
});

 /**
  * @param color The color to use as the basis for the painter
  * @param state The state of the button to which this painter will apply
  */
 public NamedComboBoxPainter(Color color, int state) {

//    super(color, Themes.currentTheme.buttonBackground(), state);
  super(Color.RED, Color.BLUE, state);

  Insets insets = new Insets(8, 9, 8, 19);
  this.ctx = new AbstractRegionPainter.PaintContext(insets, new Dimension(83, 24), false);

 }

  UIManager.setLookAndFeel(new javax.swing.plaf.nimbus.NimbusLookAndFeel());
} catch (UnsupportedLookAndFeelException e) {

/**
 * @param color The color to use as the basis for the painter
 * @param state The state of the button to which this painter will apply
 */
public NamedComboBoxTextFieldPainter(Color color, int state) {
 super(Color.RED, Color.BLUE, state);
 Insets insets = new Insets(8, 1, 8, 8);
 this.ctx = new PaintContext(insets, new Dimension(20, 24), false);
}

  UIManager.setLookAndFeel(new NimbusLookAndFeel());
} catch (UnsupportedLookAndFeelException e) {
  e.printStackTrace();

 /**
  * @param color The color to use as the basis for the painter
  * @param state The state of the button to which this painter will apply
  */
 public NamedComboBoxArrowButtonPainter(Color color, int state) {

//    super(color, Themes.currentTheme.buttonBackground(), state);
  super(Color.RED, Color.BLUE, state);

  Insets insets = new Insets(8, 1, 8, 8);
  this.ctx = new AbstractRegionPainter.PaintContext(insets, new Dimension(20, 24), false);

 }

  UIManager.setLookAndFeel(new NimbusLookAndFeel());
} catch (UnsupportedLookAndFeelException e) {
  e.printStackTrace();

/**
 * @param color The color to use as the basis for the painter
 * @param state The state of the button to which this painter will apply
 */
public NamedTabbedPaneTabAreaPainter(Color color, int state) {
 super(color, Themes.currentTheme.detailPanelBackground(), state);
 this.ctx = new AbstractRegionPainter.PaintContext(new Insets(0, 5, 6, 5), new Dimension(5, 24), false);
}

/**
 * @param foregroundBasisColor The color to use as the basis for the painter
 * @param state                The state of the button to which this painter will apply
 */
public NamedButtonRegionPainter(Color foregroundBasisColor, int state) {
 super(foregroundBasisColor, Themes.currentTheme.detailPanelBackground(), state);
 Insets insets = new Insets(7, 7, 7, 7);
 this.ctx = new AbstractRegionPainter.PaintContext(insets, new Dimension(10, 20), false);
}

/**
 * @param color The color to use as the basis for the painter
 * @param state The state of the button to which this painter will apply
 */
public NamedProgressBarRegionPainter(Color color, int state) {
 super(color, Themes.currentTheme.detailPanelBackground(), state);
 Insets insets = new Insets(7, 7, 7, 7);
 this.ctx = new PaintContext(insets, new Dimension(10, 20), false);
}

 private static class Painter extends javax.swing.plaf.nimbus.AbstractRegionPainter {
  private final Color color;

  private Painter(Color color) {
    this.color = color;
  }
  @Override
  protected AbstractRegionPainter.PaintContext getPaintContext() {
    return new AbstractRegionPainter.PaintContext(null, null, false);
  }

  @Override
  protected void doPaint(Graphics2D g, JComponent c, 
      int width, int height, Object[] extendedCacheKeys) {
    g.setColor(c.isEnabled() ? c.getBackground() : color);
    g.fillRect(0, 0, width, height);
  }
}

  throw new IllegalStateException("Unknown state:" + state);
this.ctx = new AbstractRegionPainter.PaintContext(insets, new Dimension(10, 20), false);

@Override
protected AbstractRegionPainter.PaintContext getPaintContext() {
  return new AbstractRegionPainter.PaintContext(null, null, false);
@Override
protected AbstractRegionPainter.PaintContext getPaintContext() {
  return new AbstractRegionPainter.PaintContext(null, null, false);
@Override
protected AbstractRegionPainter.PaintContext getPaintContext() {
  return new AbstractRegionPainter.PaintContext(null, null, false);

super();
this.state = state;
this.ctx = new AbstractRegionPainter.PaintContext(
    new Insets(5, 5, 5, 5), new Dimension(9, 10), false, null, 1.0, 1.0);