/// <summary>
/// If a HSL property changed, we should update the RGB values all at once.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void HSL_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (_rgbChanging)
{
return; // don't change the RGB values if that's why this method was called.
}
Color color = RGBHSL.HSL_to_RGB(new RGBHSL.HSL(HSL)); // convert HSL to RGB
if (Color == color)
{
return;
}
if (e.PropertyName != "H")
{
HSL.LockHue = true; // We lock the Hue unless we intended to change that value (due to errors in conversion from RGB to HSL0
}
Color = color;
_hslChanging = true; // so we don't stack overflow on recursive calls to HSL_Changed and RGB_Changed
RGB.R = color.R;
RGB.G = color.G;
RGB.B = color.B;
RGB.A = color.A;
_hslChanging = false;
if (e.PropertyName == "H")
{
HSL.LockHue = false; // Now we can unlock the hue
}
}
private void UpdateHSL()
{
if (_hslChanging)
{
return;
}
Color color = Color.FromArgb(RGB.A, RGB.R, RGB.G, RGB.B);
if (Color == color)
{
return;
}
Color = color;
RGBHSL.HSL hsl = RGBHSL.RGB_to_HSL(color);
_rgbChanging = true; // so we don't stack overflow on recursive calls to HSL_Changed and RGB_Changed
HSL.H = hsl.H;
HSL.S = hsl.S;
HSL.L = hsl.L;
HSL.A = hsl.A;
_rgbChanging = false;
}