public override object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var color = (CommonColor)value;
var hue = color.Hue;
var lightness = color.Lightness;
var colorStart = CommonColor.FromHLS(hue, lightness, 0).ToColor();
var colorEnd = CommonColor.FromHLS(hue, lightness, 1).ToColor();
return(ConvertImplementation(colorStart, colorEnd));
}
public static CommonColor UpdateHLS(
this CommonColor color,
double?hue = null,
double?lightness = null,
double?saturation = null,
byte?alpha = null)
{
return(CommonColor.FromHLS(
hue: hue ?? color.Hue,
lightness: lightness ?? color.Lightness,
saturation: saturation ?? color.Saturation,
alpha: alpha ?? color.A));
}
public override object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var color = (CommonColor)value;
var hue = color.Hue;
var saturation = color.Saturation;
var colorStart = CommonColor.FromHLS(hue, 0, saturation).ToColor();
var colorEnd = CommonColor.FromHLS(hue, 1, saturation).ToColor();
return(new LinearGradientBrush(new GradientStopCollection {
new GradientStop(colorStart, 0),
new GradientStop(color.ToColor(), color.Lightness),
new GradientStop(colorEnd, 1)
}, 0));
}
public HLS HLSRoundTripTest(HLS hls)
{
var color = CommonColor.FromHLS(hls.Hue, hls.Lightness, hls.Saturation);
return(new HLS(color.Hue, color.Lightness, color.Saturation));
}
public CommonColor ColorFromHLSTest(HLS hls) => CommonColor.FromHLS(hls.Hue, hls.Lightness, hls.Saturation);