74 lines
2.0 KiB
C#
74 lines
2.0 KiB
C#
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namespace WPFluent.Controls
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{
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public struct Hsb
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{
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public Hsb(double Hue, double Saturation, double Brightness, double opacity = 1)
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{
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this.Hue = Hue;
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this.Saturation = Saturation;
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this.Brightness = Brightness;
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Opacity = opacity;
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}
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/// <summary>
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/// 亮度0~1
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/// </summary>
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public double Brightness { get; set; }
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/// <summary>
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/// 色相0~359
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/// </summary>
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public double Hue { get; set; }
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/// <summary>
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/// 不透明度0~1
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/// </summary>
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public double Opacity { get; set; }
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/// <summary>
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/// 饱和度0~1
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/// </summary>
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public double Saturation { get; set; }
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public static Hsb FromHSB(double hue, double saturation, double brightness, double opacity = 1)
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{
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return new Hsb(hue, saturation, brightness, opacity);
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}
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public static Hsb FromColor(Color color)
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{
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var hsb = new Hsb();
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var max = Math.Max(color.R, Math.Max(color.G, color.B));
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var min = Math.Min(color.R, Math.Min(color.G, color.B));
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var delta = max - min;
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hsb.Brightness = max / 255.0;
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hsb.Saturation = max == 0 ? 0 : delta / max;
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if (delta == 0)
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{
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hsb.Hue = 0;
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}
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else if (max == color.R)
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{
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hsb.Hue = (color.G - color.B) / delta;
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}
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else if (max == color.G)
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{
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hsb.Hue = 2 + (color.B - color.R) / delta;
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}
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else
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{
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hsb.Hue = 4 + (color.R - color.G) / delta;
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}
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hsb.Hue *= 60;
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if (hsb.Hue < 0)
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hsb.Hue += 360;
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return hsb;
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}
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//public override string ToString()
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//{
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// return base.ToString();
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//}
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}
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}
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