osu/osu.Game/Graphics/OsuColour.cs

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using System;
using OpenTK.Graphics;
using osu.Framework.Graphics.Colour;
namespace osu.Game.Graphics
{
public static class OsuColour
{
public static Color4 Opacity(this Color4 color, float a) => new Color4(color.R, color.G, color.B, a);
public static Color4 Opacity(this Color4 color, byte a) => new Color4(color.R, color.G, color.B, a / 255f);
public static Color4 Gray(float amt) => new Color4(amt, amt, amt, 1f);
public static Color4 Gray(byte amt) => new Color4(amt, amt, amt, 255);
private static Color4 FromHex(string hex)
{
return new Color4(
Convert.ToByte(hex.Substring(1, 2), 16),
Convert.ToByte(hex.Substring(3, 2), 16),
Convert.ToByte(hex.Substring(5, 2), 16),
255);
}
// See https://github.com/ppy/osu-web/blob/master/resources/assets/less/colors.less
public static readonly Color4 PurpleLighter = FromHex(@"eeeeff");
public static readonly Color4 PurpleLight = FromHex(@"aa88ff");
public static readonly Color4 Purple = FromHex(@"8866ee");
public static readonly Color4 PurpleDark = FromHex(@"6644cc");
public static readonly Color4 PurpleDarker = FromHex(@"441188");
public static readonly Color4 PinkLighter = FromHex(@"ffddee");
public static readonly Color4 PinkLight = FromHex(@"ff99cc");
public static readonly Color4 Pink = FromHex(@"ff66aa");
public static readonly Color4 PinkDark = FromHex(@"cc5288");
public static readonly Color4 PinkDarker = FromHex(@"bb1177");
public static readonly Color4 BlueLighter = FromHex(@"ddffff");
public static readonly Color4 BlueLight = FromHex(@"99eeff");
public static readonly Color4 Blue = FromHex(@"66ccff");
public static readonly Color4 BlueDark = FromHex(@"44aadd");
public static readonly Color4 BlueDarker = FromHex(@"2299bb");
public static readonly Color4 YellowLighter = FromHex(@"ffffdd");
public static readonly Color4 YellowLight = FromHex(@"ffdd55");
public static readonly Color4 Yellow = FromHex(@"ffcc22");
public static readonly Color4 YellowDark = FromHex(@"eeaa00");
public static readonly Color4 YellowDarker = FromHex(@"cc6600");
public static readonly Color4 GreenLighter = FromHex(@"eeffcc");
public static readonly Color4 GreenLight = FromHex(@"b3d944");
public static readonly Color4 Green = FromHex(@"88b300");
public static readonly Color4 GreenDark = FromHex(@"668800");
public static readonly Color4 GreenDarker = FromHex(@"445500");
public static readonly Color4 Red = FromHex(@"fc4549");
}
}