public static ColorSlider Brightness(VisualDirection direction, float knobWidth, float minVisualLength,
Color color, Reaction <float> changed)
{
return(new ColorSlider(direction, knobWidth, minVisualLength, 0f, 1f, color.GetBrightness(),
new[] { Color.Black, VisualHelpers.ColorFromHSB(color.GetHue(), color.GetSaturation(), 1f) },
changed));
}
private void ChangeHue(float hue)
{
int i = LastColorIndex();
_saturation.Colors[i] = VisualHelpers.ColorFromHSB(hue, 1f, 1f);
_brightness.Colors[i] = VisualHelpers.ColorFromHSB(hue, _saturation.Value, 1f);
UpdateValue();
}
private void ChangeBrightness(float brightness)
{
_brightness.Colors[LastColorIndex()] =
VisualHelpers.ColorFromHSB(_hue.Value, _saturation.Value, 1f);
UpdateValue();
}
private void UpdateValue()
{
_value = VisualHelpers.ColorFromHSB(_hue.Value, _saturation.Value, _brightness.Value);
Changed(_value);
}
