private static ResourceDictionary GetAccentResource(Color color)
{
// Windows のテーマがアルファ チャネル 255 以外の色を返してくるけど、
// HSV で Active と Highlight 用の色を作る過程で結局失われるので、
// アルファ チャネルは 255 しかサポートしないようにしてしまおう感。
color.A = 255;
var hsv = color.ToHsv();
var dark = hsv;
var light = hsv;
dark.V *= 0.8;
light.S *= 0.6;
var activeColor = dark.ToRgb();
var highlightColor = light.ToRgb();
var luminocity = Luminosity.FromRgb(color);
var foreground = luminocity < 128 ? Colors.White : Colors.Black;
var dic = new ResourceDictionary
{
["AccentColorKey"] = color,
["AccentBrushKey"] = new SolidColorBrush(color),
["AccentActiveColorKey"] = activeColor,
["AccentActiveBrushKey"] = new SolidColorBrush(activeColor),
["AccentHighlightColorKey"] = highlightColor,
["AccentHighlightBrushKey"] = new SolidColorBrush(highlightColor),
["AccentForegroundColorKey"] = foreground,
["AccentForegroundBrushKey"] = new SolidColorBrush(foreground),
};
return(dic);
}
public ImmersiveColorSamples()
{
InitializeComponent();
this.DataContext = typeof(ImmersiveColorNames).GetFields(BindingFlags.Static | BindingFlags.Public)
.Select(x => (string)x.GetValue(null))
.Select(name =>
{
var background = new SolidColorBrush(ImmersiveColor.GetColorByTypeName(name));
var luminocity = Luminosity.FromRgb(background.Color);
var foreground = new SolidColorBrush(luminocity < 128 ? Colors.White : Colors.Black);
return(new { name, background, foreground, });
})
.ToArray();
}
private void Update()
{
var h = this.hSlider.Value;
var s = this.sSlider.Value / 100.0;
var v = this.vSlider.Value / 100.0;
var hsv = HsvColor.FromHsv(h, s, v);
var c = hsv.ToRgb();
var l = Luminosity.FromRgb(c);
var w = l <= 128;
this.colorbox.Background = new SolidColorBrush(c);
this.colorbox.Foreground = w ? Brushes.White : Brushes.Black;
this.colorbox.Text = $"Color: {c}, Luminosity: {l}";
}
private void Update()
{
var h = this.hSlider.Value;
var s = this.sSlider.Value / 100.0;
var l = this.lSlider.Value / 100.0;
var hsl = HslColor.FromHsl(h, s, l);
var c = hsl.ToRgb();
var lu = Luminosity.FromRgb(c);
var w = lu <= 128;
this.colorbox.Background = new SolidColorBrush(c);
this.colorbox.Foreground = w ? Brushes.White : Brushes.Black;
this.colorbox.Text = $"Color: {c}({c.R},{c.G},{c.B}), Luminosity: {lu}";
}
