6c9fbd40dc
Any struct which overrides object.Equals(object obj) should implement IEquatable<T> to gain a more efficient Equals(T other) overload. This overload will be used by hashing collections like Dictionary which enables them to check equality without boxing the struct.
372 lines
16 KiB
C#
372 lines
16 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.Globalization;
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using OpenRA.Scripting;
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namespace OpenRA.Primitives
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{
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public struct Color : IEquatable<Color>, IScriptBindable
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{
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readonly long argb;
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public static Color FromArgb(int red, int green, int blue)
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{
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return FromArgb(byte.MaxValue, red, green, blue);
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}
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public static Color FromArgb(int alpha, int red, int green, int blue)
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{
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return new Color(((byte)alpha << 24) + ((byte)red << 16) + ((byte)green << 8) + (byte)blue);
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}
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public static Color FromAhsl(int alpha, float h, float s, float l)
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{
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// Convert from HSL to RGB
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var q = (l < 0.5f) ? l * (1 + s) : l + s - (l * s);
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var p = 2 * l - q;
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float[] trgb = { h + 1 / 3.0f, h, h - 1 / 3.0f };
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float[] rgb = { 0, 0, 0 };
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for (var k = 0; k < 3; k++)
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{
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while (trgb[k] < 0) trgb[k] += 1.0f;
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while (trgb[k] > 1) trgb[k] -= 1.0f;
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}
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for (var k = 0; k < 3; k++)
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{
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if (trgb[k] < 1 / 6.0f)
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rgb[k] = p + ((q - p) * 6 * trgb[k]);
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else if (trgb[k] >= 1 / 6.0f && trgb[k] < 0.5)
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rgb[k] = q;
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else if (trgb[k] >= 0.5f && trgb[k] < 2.0f / 3)
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rgb[k] = p + ((q - p) * 6 * (2.0f / 3 - trgb[k]));
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else
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rgb[k] = p;
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}
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return FromArgb(alpha, (int)(rgb[0] * 255), (int)(rgb[1] * 255), (int)(rgb[2] * 255));
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}
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public static Color FromAhsl(int h, int s, int l)
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{
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return FromAhsl(255, h / 255f, s / 255f, l / 255f);
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}
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public static Color FromAhsl(float h, float s, float l)
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{
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return FromAhsl(255, h, s, l);
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}
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public static Color FromAhsv(int alpha, float h, float s, float v)
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{
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var ll = 0.5f * (2 - s) * v;
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var ss = (ll >= 1 || v <= 0) ? 0 : 0.5f * s * v / (ll <= 0.5f ? ll : 1 - ll);
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return FromAhsl(alpha, h, ss, ll);
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}
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public static Color FromAhsv(float h, float s, float v)
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{
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return FromAhsv(255, h, s, v);
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}
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public void ToAhsv(out int a, out float h, out float s, out float v)
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{
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var ll = 2 * GetBrightness();
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var ss = GetSaturation() * ((ll <= 1) ? ll : 2 - ll);
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a = A;
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h = GetHue() / 360f;
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s = (2 * ss) / (ll + ss);
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v = (ll + ss) / 2;
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}
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Color(long argb)
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{
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this.argb = argb;
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}
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public int ToArgb()
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{
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return (int)argb;
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}
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public static Color FromArgb(int alpha, Color baseColor)
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{
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return FromArgb(alpha, baseColor.R, baseColor.G, baseColor.B);
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}
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public static Color FromArgb(int argb)
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{
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return FromArgb((byte)(argb >> 24), (byte)(argb >> 16), (byte)(argb >> 8), (byte)argb);
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}
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public static Color FromArgb(uint argb)
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{
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return FromArgb((byte)(argb >> 24), (byte)(argb >> 16), (byte)(argb >> 8), (byte)argb);
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}
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public static bool TryParse(string value, out Color color)
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{
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color = default(Color);
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value = value.Trim();
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if (value.Length != 6 && value.Length != 8)
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return false;
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byte red, green, blue, alpha = 255;
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if (!byte.TryParse(value.Substring(0, 2), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out red)
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|| !byte.TryParse(value.Substring(2, 2), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out green)
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|| !byte.TryParse(value.Substring(4, 2), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out blue))
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return false;
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if (value.Length == 8
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&& !byte.TryParse(value.Substring(6, 2), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out alpha))
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return false;
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color = FromArgb(alpha, red, green, blue);
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return true;
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}
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public static bool operator ==(Color left, Color right)
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{
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return left.argb == right.argb;
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}
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public static bool operator !=(Color left, Color right)
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{
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return !(left == right);
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}
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public float GetBrightness()
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{
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var min = Math.Min(R, Math.Min(G, B));
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var max = Math.Max(R, Math.Max(G, B));
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return (max + min) / 510f;
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}
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public float GetSaturation()
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{
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var min = Math.Min(R, Math.Min(G, B));
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var max = Math.Max(R, Math.Max(G, B));
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if (max == min)
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return 0.0f;
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var sum = max + min;
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if (sum > byte.MaxValue)
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sum = 510 - sum;
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return (float)(max - min) / sum;
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}
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public float GetHue()
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{
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var min = Math.Min(R, Math.Min(G, B));
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var max = Math.Max(R, Math.Max(G, B));
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if (max == min)
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return 0.0f;
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var diff = (float)(max - min);
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var rNorm = (max - R) / diff;
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var gNorm = (max - G) / diff;
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var bNorm = (max - B) / diff;
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var hue = 0.0f;
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if (R == max)
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hue = 60.0f * (6.0f + bNorm - gNorm);
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if (G == max)
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hue = 60.0f * (2.0f + rNorm - bNorm);
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if (B == max)
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hue = 60.0f * (4.0f + gNorm - rNorm);
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if (hue > 360.0f)
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hue -= 360f;
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return hue;
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}
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public byte A { get { return (byte)(argb >> 24); } }
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public byte R { get { return (byte)(argb >> 16); } }
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public byte G { get { return (byte)(argb >> 8); } }
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public byte B { get { return (byte)argb; } }
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public bool Equals(Color other)
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{
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return this == other;
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}
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public override bool Equals(object obj)
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{
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if (!(obj is Color))
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return false;
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return this == (Color)obj;
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}
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public override int GetHashCode()
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{
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return (int)(argb ^ argb >> 32);
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}
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public override string ToString()
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{
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if (A == 255)
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return R.ToString("X2") + G.ToString("X2") + B.ToString("X2");
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return R.ToString("X2") + G.ToString("X2") + B.ToString("X2") + A.ToString("X2");
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}
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public static Color Transparent { get { return FromArgb(0x00FFFFFF); } }
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public static Color AliceBlue { get { return FromArgb(0xFFF0F8FF); } }
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public static Color AntiqueWhite { get { return FromArgb(0xFFFAEBD7); } }
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public static Color Aqua { get { return FromArgb(0xFF00FFFF); } }
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public static Color Aquamarine { get { return FromArgb(0xFF7FFFD4); } }
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public static Color Azure { get { return FromArgb(0xFFF0FFFF); } }
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public static Color Beige { get { return FromArgb(0xFFF5F5DC); } }
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public static Color Bisque { get { return FromArgb(0xFFFFE4C4); } }
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public static Color Black { get { return FromArgb(0xFF000000); } }
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public static Color BlanchedAlmond { get { return FromArgb(0xFFFFEBCD); } }
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public static Color Blue { get { return FromArgb(0xFF0000FF); } }
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public static Color BlueViolet { get { return FromArgb(0xFF8A2BE2); } }
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public static Color Brown { get { return FromArgb(0xFFA52A2A); } }
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public static Color BurlyWood { get { return FromArgb(0xFFDEB887); } }
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public static Color CadetBlue { get { return FromArgb(0xFF5F9EA0); } }
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public static Color Chartreuse { get { return FromArgb(0xFF7FFF00); } }
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public static Color Chocolate { get { return FromArgb(0xFFD2691E); } }
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public static Color Coral { get { return FromArgb(0xFFFF7F50); } }
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public static Color CornflowerBlue { get { return FromArgb(0xFF6495ED); } }
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public static Color Cornsilk { get { return FromArgb(0xFFFFF8DC); } }
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public static Color Crimson { get { return FromArgb(0xFFDC143C); } }
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public static Color Cyan { get { return FromArgb(0xFF00FFFF); } }
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public static Color DarkBlue { get { return FromArgb(0xFF00008B); } }
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public static Color DarkCyan { get { return FromArgb(0xFF008B8B); } }
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public static Color DarkGoldenrod { get { return FromArgb(0xFFB8860B); } }
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public static Color DarkGray { get { return FromArgb(0xFFA9A9A9); } }
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public static Color DarkGreen { get { return FromArgb(0xFF006400); } }
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public static Color DarkKhaki { get { return FromArgb(0xFFBDB76B); } }
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public static Color DarkMagenta { get { return FromArgb(0xFF8B008B); } }
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public static Color DarkOliveGreen { get { return FromArgb(0xFF556B2F); } }
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public static Color DarkOrange { get { return FromArgb(0xFFFF8C00); } }
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public static Color DarkOrchid { get { return FromArgb(0xFF9932CC); } }
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public static Color DarkRed { get { return FromArgb(0xFF8B0000); } }
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public static Color DarkSalmon { get { return FromArgb(0xFFE9967A); } }
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public static Color DarkSeaGreen { get { return FromArgb(0xFF8FBC8B); } }
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public static Color DarkSlateBlue { get { return FromArgb(0xFF483D8B); } }
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public static Color DarkSlateGray { get { return FromArgb(0xFF2F4F4F); } }
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public static Color DarkTurquoise { get { return FromArgb(0xFF00CED1); } }
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public static Color DarkViolet { get { return FromArgb(0xFF9400D3); } }
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public static Color DeepPink { get { return FromArgb(0xFFFF1493); } }
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public static Color DeepSkyBlue { get { return FromArgb(0xFF00BFFF); } }
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public static Color DimGray { get { return FromArgb(0xFF696969); } }
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public static Color DodgerBlue { get { return FromArgb(0xFF1E90FF); } }
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public static Color Firebrick { get { return FromArgb(0xFFB22222); } }
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public static Color FloralWhite { get { return FromArgb(0xFFFFFAF0); } }
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public static Color ForestGreen { get { return FromArgb(0xFF228B22); } }
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public static Color Fuchsia { get { return FromArgb(0xFFFF00FF); } }
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public static Color Gainsboro { get { return FromArgb(0xFFDCDCDC); } }
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public static Color GhostWhite { get { return FromArgb(0xFFF8F8FF); } }
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public static Color Gold { get { return FromArgb(0xFFFFD700); } }
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public static Color Goldenrod { get { return FromArgb(0xFFDAA520); } }
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public static Color Gray { get { return FromArgb(0xFF808080); } }
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public static Color Green { get { return FromArgb(0xFF008000); } }
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public static Color GreenYellow { get { return FromArgb(0xFFADFF2F); } }
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public static Color Honeydew { get { return FromArgb(0xFFF0FFF0); } }
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public static Color HotPink { get { return FromArgb(0xFFFF69B4); } }
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public static Color IndianRed { get { return FromArgb(0xFFCD5C5C); } }
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public static Color Indigo { get { return FromArgb(0xFF4B0082); } }
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public static Color Ivory { get { return FromArgb(0xFFFFFFF0); } }
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public static Color Khaki { get { return FromArgb(0xFFF0E68C); } }
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public static Color Lavender { get { return FromArgb(0xFFE6E6FA); } }
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public static Color LavenderBlush { get { return FromArgb(0xFFFFF0F5); } }
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public static Color LawnGreen { get { return FromArgb(0xFF7CFC00); } }
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public static Color LemonChiffon { get { return FromArgb(0xFFFFFACD); } }
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public static Color LightBlue { get { return FromArgb(0xFFADD8E6); } }
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public static Color LightCoral { get { return FromArgb(0xFFF08080); } }
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public static Color LightCyan { get { return FromArgb(0xFFE0FFFF); } }
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public static Color LightGoldenrodYellow { get { return FromArgb(0xFFFAFAD2); } }
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public static Color LightGray { get { return FromArgb(0xFFD3D3D3); } }
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public static Color LightGreen { get { return FromArgb(0xFF90EE90); } }
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public static Color LightPink { get { return FromArgb(0xFFFFB6C1); } }
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public static Color LightSalmon { get { return FromArgb(0xFFFFA07A); } }
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public static Color LightSeaGreen { get { return FromArgb(0xFF20B2AA); } }
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public static Color LightSkyBlue { get { return FromArgb(0xFF87CEFA); } }
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public static Color LightSlateGray { get { return FromArgb(0xFF778899); } }
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public static Color LightSteelBlue { get { return FromArgb(0xFFB0C4DE); } }
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public static Color LightYellow { get { return FromArgb(0xFFFFFFE0); } }
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public static Color Lime { get { return FromArgb(0xFF00FF00); } }
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public static Color LimeGreen { get { return FromArgb(0xFF32CD32); } }
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public static Color Linen { get { return FromArgb(0xFFFAF0E6); } }
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public static Color Magenta { get { return FromArgb(0xFFFF00FF); } }
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public static Color Maroon { get { return FromArgb(0xFF800000); } }
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public static Color MediumAquamarine { get { return FromArgb(0xFF66CDAA); } }
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public static Color MediumBlue { get { return FromArgb(0xFF0000CD); } }
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public static Color MediumOrchid { get { return FromArgb(0xFFBA55D3); } }
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public static Color MediumPurple { get { return FromArgb(0xFF9370DB); } }
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public static Color MediumSeaGreen { get { return FromArgb(0xFF3CB371); } }
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public static Color MediumSlateBlue { get { return FromArgb(0xFF7B68EE); } }
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public static Color MediumSpringGreen { get { return FromArgb(0xFF00FA9A); } }
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public static Color MediumTurquoise { get { return FromArgb(0xFF48D1CC); } }
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public static Color MediumVioletRed { get { return FromArgb(0xFFC71585); } }
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public static Color MidnightBlue { get { return FromArgb(0xFF191970); } }
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public static Color MintCream { get { return FromArgb(0xFFF5FFFA); } }
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public static Color MistyRose { get { return FromArgb(0xFFFFE4E1); } }
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public static Color Moccasin { get { return FromArgb(0xFFFFE4B5); } }
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public static Color NavajoWhite { get { return FromArgb(0xFFFFDEAD); } }
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public static Color Navy { get { return FromArgb(0xFF000080); } }
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public static Color OldLace { get { return FromArgb(0xFFFDF5E6); } }
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public static Color Olive { get { return FromArgb(0xFF808000); } }
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public static Color OliveDrab { get { return FromArgb(0xFF6B8E23); } }
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public static Color Orange { get { return FromArgb(0xFFFFA500); } }
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public static Color OrangeRed { get { return FromArgb(0xFFFF4500); } }
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public static Color Orchid { get { return FromArgb(0xFFDA70D6); } }
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public static Color PaleGoldenrod { get { return FromArgb(0xFFEEE8AA); } }
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public static Color PaleGreen { get { return FromArgb(0xFF98FB98); } }
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public static Color PaleTurquoise { get { return FromArgb(0xFFAFEEEE); } }
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public static Color PaleVioletRed { get { return FromArgb(0xFFDB7093); } }
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public static Color PapayaWhip { get { return FromArgb(0xFFFFEFD5); } }
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public static Color PeachPuff { get { return FromArgb(0xFFFFDAB9); } }
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public static Color Peru { get { return FromArgb(0xFFCD853F); } }
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public static Color Pink { get { return FromArgb(0xFFFFC0CB); } }
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public static Color Plum { get { return FromArgb(0xFFDDA0DD); } }
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public static Color PowderBlue { get { return FromArgb(0xFFB0E0E6); } }
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public static Color Purple { get { return FromArgb(0xFF800080); } }
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public static Color Red { get { return FromArgb(0xFFFF0000); } }
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public static Color RosyBrown { get { return FromArgb(0xFFBC8F8F); } }
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public static Color RoyalBlue { get { return FromArgb(0xFF4169E1); } }
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public static Color SaddleBrown { get { return FromArgb(0xFF8B4513); } }
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public static Color Salmon { get { return FromArgb(0xFFFA8072); } }
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public static Color SandyBrown { get { return FromArgb(0xFFF4A460); } }
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public static Color SeaGreen { get { return FromArgb(0xFF2E8B57); } }
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public static Color SeaShell { get { return FromArgb(0xFFFFF5EE); } }
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public static Color Sienna { get { return FromArgb(0xFFA0522D); } }
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public static Color Silver { get { return FromArgb(0xFFC0C0C0); } }
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public static Color SkyBlue { get { return FromArgb(0xFF87CEEB); } }
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public static Color SlateBlue { get { return FromArgb(0xFF6A5ACD); } }
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public static Color SlateGray { get { return FromArgb(0xFF708090); } }
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public static Color Snow { get { return FromArgb(0xFFFFFAFA); } }
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public static Color SpringGreen { get { return FromArgb(0xFF00FF7F); } }
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public static Color SteelBlue { get { return FromArgb(0xFF4682B4); } }
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public static Color Tan { get { return FromArgb(0xFFD2B48C); } }
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public static Color Teal { get { return FromArgb(0xFF008080); } }
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public static Color Thistle { get { return FromArgb(0xFFD8BFD8); } }
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public static Color Tomato { get { return FromArgb(0xFFFF6347); } }
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public static Color Turquoise { get { return FromArgb(0xFF40E0D0); } }
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public static Color Violet { get { return FromArgb(0xFFEE82EE); } }
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public static Color Wheat { get { return FromArgb(0xFFF5DEB3); } }
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public static Color White { get { return FromArgb(0xFFFFFFFF); } }
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public static Color WhiteSmoke { get { return FromArgb(0xFFF5F5F5); } }
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public static Color Yellow { get { return FromArgb(0xFFFFFF00); } }
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public static Color YellowGreen { get { return FromArgb(0xFF9ACD32); } }
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}
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}
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