protected ColorStrategy(Color Background, HslColor Foreground)
{
_Background = Background;
_Foreground = Foreground;
_Seed = new Random(DateTime.Now.Second);
}
private static double GetTemp2(HslColor ColorHsl)
{
double Temp2;
if (ColorHsl._Luminosity < 0.5)
Temp2 = ColorHsl._Luminosity*(1.0 + ColorHsl._Saturation);
else
Temp2 = ColorHsl._Luminosity + ColorHsl._Saturation - (ColorHsl._Luminosity*ColorHsl._Saturation);
return Temp2;
}
public VariedForeground(Color Background, HslColor Foreground, Theme TheTheme)
: base(Background, Foreground)
{
/* Dark foreground needed, so Luminosity is reduced to somewhere between 0 & 0.5
* Saturation is full so the color comes out, removing all blackness/greyness
* For Light foreground Luminosity is kept between 0.5 & 1
*/
_Foreground.Saturation = 1.0;
_Range = (TheTheme == Theme.LightBgDarkFg) ? 0d : 0.5;
}
public RandomVaried(Color Background, HslColor Foreground, Theme TheTheme)
: base(Background, Foreground, TheTheme)
{
}
public RandomForeground(Color Background, HslColor Foreground)
: base(Background, Foreground)
{
}
public Grayscale(Color Background, HslColor Foreground, Theme TheTheme)
: base(Background, Foreground, TheTheme)
{
/* Saturation is 0 - Meaning no color specified by hue can be seen at all.
* So luminance is now reduced to showing grayscale */
_Foreground.Saturation = 0.0;
_Background = Color.FromArgb(Background.A, TheTheme == Theme.LightBgDarkFg ? Color.White : Color.Black);
}
public FixedForeground(Color Background, HslColor Foreground)
: base(Background, Foreground)
{
}