private void UpdateColors()
{
var deltaHue = hueBar.Value;
var deltaSat = 2.0 / (saturationBar.Maximum - saturationBar.Minimum) * saturationBar.Value;
var deltaLight = 2.0 / (lightnessBar.Maximum - lightnessBar.Minimum) * lightnessBar.Value;
var enumValues = Enum.GetValues(typeof(ColorTableGroup));
foreach (ColorTableGroup colorTableGroup in enumValues)
{
// Skip empty colors.
if (initialColorTable[colorTableGroup] == Color.Empty)
continue;
HslColor hslColor = HslColor.FromColor(initialColorTable[colorTableGroup]);
colorTable[colorTableGroup] = new HslColor(hslColor.Alpha, hslColor.Hue + deltaHue,
hslColor.Saturation + deltaSat,
hslColor.Luminosity + deltaLight).ToColor();
}
MainForm.Renderer.RefreshToolStrips();
}