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Composit Target and gamma correct rendering
This commit is contained in:
Simon Lübeß
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using System;
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namespace GlitchyEngine.Math
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{
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/// Represents a four component color with 8 bit per channel
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[CRepr]
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public struct Color
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{
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// from DirectXColors.h
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// Todo: We probably loose some precision here... Could init them with the correct value
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public const Color AliceBlue = .( 0.941176534f, 0.972549081f, 1.000000000f, 1.000000000f );
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public const Color AntiqueWhite = .( 0.980392218f, 0.921568692f, 0.843137324f, 1.000000000f );
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public const Color Aqua = .( 0.000000000f, 1.000000000f, 1.000000000f, 1.000000000f );
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public const Color Aquamarine = .( 0.498039246f, 1.000000000f, 0.831372619f, 1.000000000f );
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public const Color Azure = .( 0.941176534f, 1.000000000f, 1.000000000f, 1.000000000f );
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public const Color Beige = .( 0.960784376f, 0.960784376f, 0.862745166f, 1.000000000f );
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public const Color Bisque = .( 1.000000000f, 0.894117713f, 0.768627524f, 1.000000000f );
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public const Color Black = .( 0.000000000f, 0.000000000f, 0.000000000f, 1.000000000f );
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public const Color BlanchedAlmond = .( 1.000000000f, 0.921568692f, 0.803921640f, 1.000000000f );
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public const Color Blue = .( 0.000000000f, 0.000000000f, 1.000000000f, 1.000000000f );
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public const Color BlueViolet = .( 0.541176498f, 0.168627456f, 0.886274576f, 1.000000000f );
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public const Color Brown = .( 0.647058845f, 0.164705887f, 0.164705887f, 1.000000000f );
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public const Color BurlyWood = .( 0.870588303f, 0.721568644f, 0.529411793f, 1.000000000f );
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public const Color CadetBlue = .( 0.372549027f, 0.619607866f, 0.627451003f, 1.000000000f );
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public const Color Chartreuse = .( 0.498039246f, 1.000000000f, 0.000000000f, 1.000000000f );
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public const Color Chocolate = .( 0.823529482f, 0.411764741f, 0.117647067f, 1.000000000f );
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public const Color Coral = .( 1.000000000f, 0.498039246f, 0.313725501f, 1.000000000f );
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public const Color CornflowerBlue = .( 0.392156899f, 0.584313750f, 0.929411829f, 1.000000000f );
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public const Color Cornsilk = .( 1.000000000f, 0.972549081f, 0.862745166f, 1.000000000f );
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public const Color Crimson = .( 0.862745166f, 0.078431375f, 0.235294133f, 1.000000000f );
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public const Color Cyan = .( 0.000000000f, 1.000000000f, 1.000000000f, 1.000000000f );
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public const Color DarkBlue = .( 0.000000000f, 0.000000000f, 0.545098066f, 1.000000000f );
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public const Color DarkCyan = .( 0.000000000f, 0.545098066f, 0.545098066f, 1.000000000f );
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public const Color DarkGoldenrod = .( 0.721568644f, 0.525490224f, 0.043137256f, 1.000000000f );
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public const Color DarkGray = .( 0.662745118f, 0.662745118f, 0.662745118f, 1.000000000f );
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public const Color DarkGreen = .( 0.000000000f, 0.392156899f, 0.000000000f, 1.000000000f );
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public const Color DarkKhaki = .( 0.741176486f, 0.717647076f, 0.419607878f, 1.000000000f );
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public const Color DarkMagenta = .( 0.545098066f, 0.000000000f, 0.545098066f, 1.000000000f );
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public const Color DarkOliveGreen = .( 0.333333343f, 0.419607878f, 0.184313729f, 1.000000000f );
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public const Color DarkOrange = .( 1.000000000f, 0.549019635f, 0.000000000f, 1.000000000f );
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public const Color DarkOrchid = .( 0.600000024f, 0.196078449f, 0.800000072f, 1.000000000f );
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public const Color DarkRed = .( 0.545098066f, 0.000000000f, 0.000000000f, 1.000000000f );
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public const Color DarkSalmon = .( 0.913725555f, 0.588235319f, 0.478431404f, 1.000000000f );
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public const Color DarkSeaGreen = .( 0.560784340f, 0.737254918f, 0.545098066f, 1.000000000f );
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public const Color DarkSlateBlue = .( 0.282352954f, 0.239215702f, 0.545098066f, 1.000000000f );
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public const Color DarkSlateGray = .( 0.184313729f, 0.309803933f, 0.309803933f, 1.000000000f );
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public const Color DarkTurquoise = .( 0.000000000f, 0.807843208f, 0.819607913f, 1.000000000f );
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public const Color DarkViolet = .( 0.580392182f, 0.000000000f, 0.827451050f, 1.000000000f );
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public const Color DeepPink = .( 1.000000000f, 0.078431375f, 0.576470613f, 1.000000000f );
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public const Color DeepSkyBlue = .( 0.000000000f, 0.749019623f, 1.000000000f, 1.000000000f );
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public const Color DimGray = .( 0.411764741f, 0.411764741f, 0.411764741f, 1.000000000f );
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public const Color DodgerBlue = .( 0.117647067f, 0.564705908f, 1.000000000f, 1.000000000f );
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public const Color Firebrick = .( 0.698039234f, 0.133333340f, 0.133333340f, 1.000000000f );
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public const Color FloralWhite = .( 1.000000000f, 0.980392218f, 0.941176534f, 1.000000000f );
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public const Color ForestGreen = .( 0.133333340f, 0.545098066f, 0.133333340f, 1.000000000f );
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public const Color Fuchsia = .( 1.000000000f, 0.000000000f, 1.000000000f, 1.000000000f );
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public const Color Gainsboro = .( 0.862745166f, 0.862745166f, 0.862745166f, 1.000000000f );
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public const Color GhostWhite = .( 0.972549081f, 0.972549081f, 1.000000000f, 1.000000000f );
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public const Color Gold = .( 1.000000000f, 0.843137324f, 0.000000000f, 1.000000000f );
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public const Color Goldenrod = .( 0.854902029f, 0.647058845f, 0.125490203f, 1.000000000f );
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public const Color Gray = .( 0.501960814f, 0.501960814f, 0.501960814f, 1.000000000f );
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public const Color Green = .( 0.000000000f, 0.501960814f, 0.000000000f, 1.000000000f );
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public const Color GreenYellow = .( 0.678431392f, 1.000000000f, 0.184313729f, 1.000000000f );
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public const Color Honeydew = .( 0.941176534f, 1.000000000f, 0.941176534f, 1.000000000f );
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public const Color HotPink = .( 1.000000000f, 0.411764741f, 0.705882370f, 1.000000000f );
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public const Color IndianRed = .( 0.803921640f, 0.360784322f, 0.360784322f, 1.000000000f );
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public const Color Indigo = .( 0.294117659f, 0.000000000f, 0.509803951f, 1.000000000f );
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public const Color Ivory = .( 1.000000000f, 1.000000000f, 0.941176534f, 1.000000000f );
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public const Color Khaki = .( 0.941176534f, 0.901960850f, 0.549019635f, 1.000000000f );
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public const Color Lavender = .( 0.901960850f, 0.901960850f, 0.980392218f, 1.000000000f );
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public const Color LavenderBlush = .( 1.000000000f, 0.941176534f, 0.960784376f, 1.000000000f );
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public const Color LawnGreen = .( 0.486274540f, 0.988235354f, 0.000000000f, 1.000000000f );
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public const Color LemonChiffon = .( 1.000000000f, 0.980392218f, 0.803921640f, 1.000000000f );
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public const Color LightBlue = .( 0.678431392f, 0.847058892f, 0.901960850f, 1.000000000f );
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public const Color LightCoral = .( 0.941176534f, 0.501960814f, 0.501960814f, 1.000000000f );
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public const Color LightCyan = .( 0.878431439f, 1.000000000f, 1.000000000f, 1.000000000f );
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public const Color LightGoldenrodYellow = .( 0.980392218f, 0.980392218f, 0.823529482f, 1.000000000f );
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public const Color LightGreen = .( 0.564705908f, 0.933333397f, 0.564705908f, 1.000000000f );
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public const Color LightGray = .( 0.827451050f, 0.827451050f, 0.827451050f, 1.000000000f );
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public const Color LightPink = .( 1.000000000f, 0.713725507f, 0.756862819f, 1.000000000f );
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public const Color LightSalmon = .( 1.000000000f, 0.627451003f, 0.478431404f, 1.000000000f );
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public const Color LightSeaGreen = .( 0.125490203f, 0.698039234f, 0.666666687f, 1.000000000f );
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public const Color LightSkyBlue = .( 0.529411793f, 0.807843208f, 0.980392218f, 1.000000000f );
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public const Color LightSlateGray = .( 0.466666698f, 0.533333361f, 0.600000024f, 1.000000000f );
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public const Color LightSteelBlue = .( 0.690196097f, 0.768627524f, 0.870588303f, 1.000000000f );
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public const Color LightYellow = .( 1.000000000f, 1.000000000f, 0.878431439f, 1.000000000f );
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public const Color Lime = .( 0.000000000f, 1.000000000f, 0.000000000f, 1.000000000f );
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public const Color LimeGreen = .( 0.196078449f, 0.803921640f, 0.196078449f, 1.000000000f );
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public const Color Linen = .( 0.980392218f, 0.941176534f, 0.901960850f, 1.000000000f );
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public const Color Magenta = .( 1.000000000f, 0.000000000f, 1.000000000f, 1.000000000f );
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public const Color Maroon = .( 0.501960814f, 0.000000000f, 0.000000000f, 1.000000000f );
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public const Color MediumAquamarine = .( 0.400000036f, 0.803921640f, 0.666666687f, 1.000000000f );
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public const Color MediumBlue = .( 0.000000000f, 0.000000000f, 0.803921640f, 1.000000000f );
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public const Color MediumOrchid = .( 0.729411781f, 0.333333343f, 0.827451050f, 1.000000000f );
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public const Color MediumPurple = .( 0.576470613f, 0.439215720f, 0.858823597f, 1.000000000f );
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public const Color MediumSeaGreen = .( 0.235294133f, 0.701960802f, 0.443137288f, 1.000000000f );
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public const Color MediumSlateBlue = .( 0.482352972f, 0.407843173f, 0.933333397f, 1.000000000f );
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public const Color MediumSpringGreen = .( 0.000000000f, 0.980392218f, 0.603921592f, 1.000000000f );
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public const Color MediumTurquoise = .( 0.282352954f, 0.819607913f, 0.800000072f, 1.000000000f );
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public const Color MediumVioletRed = .( 0.780392230f, 0.082352944f, 0.521568656f, 1.000000000f );
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public const Color MidnightBlue = .( 0.098039225f, 0.098039225f, 0.439215720f, 1.000000000f );
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public const Color MintCream = .( 0.960784376f, 1.000000000f, 0.980392218f, 1.000000000f );
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public const Color MistyRose = .( 1.000000000f, 0.894117713f, 0.882353008f, 1.000000000f );
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public const Color Moccasin = .( 1.000000000f, 0.894117713f, 0.709803939f, 1.000000000f );
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public const Color NavajoWhite = .( 1.000000000f, 0.870588303f, 0.678431392f, 1.000000000f );
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public const Color Navy = .( 0.000000000f, 0.000000000f, 0.501960814f, 1.000000000f );
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public const Color OldLace = .( 0.992156923f, 0.960784376f, 0.901960850f, 1.000000000f );
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public const Color Olive = .( 0.501960814f, 0.501960814f, 0.000000000f, 1.000000000f );
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public const Color OliveDrab = .( 0.419607878f, 0.556862772f, 0.137254909f, 1.000000000f );
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public const Color Orange = .( 1.000000000f, 0.647058845f, 0.000000000f, 1.000000000f );
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public const Color OrangeRed = .( 1.000000000f, 0.270588249f, 0.000000000f, 1.000000000f );
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public const Color Orchid = .( 0.854902029f, 0.439215720f, 0.839215755f, 1.000000000f );
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public const Color PaleGoldenrod = .( 0.933333397f, 0.909803987f, 0.666666687f, 1.000000000f );
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public const Color PaleGreen = .( 0.596078455f, 0.984313786f, 0.596078455f, 1.000000000f );
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public const Color PaleTurquoise = .( 0.686274529f, 0.933333397f, 0.933333397f, 1.000000000f );
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public const Color PaleVioletRed = .( 0.858823597f, 0.439215720f, 0.576470613f, 1.000000000f );
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public const Color PapayaWhip = .( 1.000000000f, 0.937254965f, 0.835294187f, 1.000000000f );
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public const Color PeachPuff = .( 1.000000000f, 0.854902029f, 0.725490212f, 1.000000000f );
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public const Color Peru = .( 0.803921640f, 0.521568656f, 0.247058839f, 1.000000000f );
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public const Color Pink = .( 1.000000000f, 0.752941251f, 0.796078503f, 1.000000000f );
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public const Color Plum = .( 0.866666734f, 0.627451003f, 0.866666734f, 1.000000000f );
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public const Color PowderBlue = .( 0.690196097f, 0.878431439f, 0.901960850f, 1.000000000f );
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public const Color Purple = .( 0.501960814f, 0.000000000f, 0.501960814f, 1.000000000f );
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public const Color Red = .( 1.000000000f, 0.000000000f, 0.000000000f, 1.000000000f );
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public const Color RosyBrown = .( 0.737254918f, 0.560784340f, 0.560784340f, 1.000000000f );
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public const Color RoyalBlue = .( 0.254901975f, 0.411764741f, 0.882353008f, 1.000000000f );
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public const Color SaddleBrown = .( 0.545098066f, 0.270588249f, 0.074509807f, 1.000000000f );
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public const Color Salmon = .( 0.980392218f, 0.501960814f, 0.447058856f, 1.000000000f );
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public const Color SandyBrown = .( 0.956862807f, 0.643137276f, 0.376470625f, 1.000000000f );
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public const Color SeaGreen = .( 0.180392161f, 0.545098066f, 0.341176480f, 1.000000000f );
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public const Color SeaShell = .( 1.000000000f, 0.960784376f, 0.933333397f, 1.000000000f );
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public const Color Sienna = .( 0.627451003f, 0.321568638f, 0.176470593f, 1.000000000f );
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public const Color Silver = .( 0.752941251f, 0.752941251f, 0.752941251f, 1.000000000f );
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public const Color SkyBlue = .( 0.529411793f, 0.807843208f, 0.921568692f, 1.000000000f );
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public const Color SlateBlue = .( 0.415686309f, 0.352941185f, 0.803921640f, 1.000000000f );
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public const Color SlateGray = .( 0.439215720f, 0.501960814f, 0.564705908f, 1.000000000f );
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public const Color Snow = .( 1.000000000f, 0.980392218f, 0.980392218f, 1.000000000f );
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public const Color SpringGreen = .( 0.000000000f, 1.000000000f, 0.498039246f, 1.000000000f );
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public const Color SteelBlue = .( 0.274509817f, 0.509803951f, 0.705882370f, 1.000000000f );
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public const Color Tan = .( 0.823529482f, 0.705882370f, 0.549019635f, 1.000000000f );
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public const Color Teal = .( 0.000000000f, 0.501960814f, 0.501960814f, 1.000000000f );
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public const Color Thistle = .( 0.847058892f, 0.749019623f, 0.847058892f, 1.000000000f );
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public const Color Tomato = .( 1.000000000f, 0.388235331f, 0.278431386f, 1.000000000f );
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public const Color Transparent = .( 0.000000000f, 0.000000000f, 0.000000000f, 0.000000000f );
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public const Color Turquoise = .( 0.250980407f, 0.878431439f, 0.815686345f, 1.000000000f );
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public const Color Violet = .( 0.933333397f, 0.509803951f, 0.933333397f, 1.000000000f );
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public const Color Wheat = .( 0.960784376f, 0.870588303f, 0.701960802f, 1.000000000f );
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public const Color White = .( 1.000000000f, 1.000000000f, 1.000000000f, 1.000000000f );
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public const Color WhiteSmoke = .( 0.960784376f, 0.960784376f, 0.960784376f, 1.000000000f );
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public const Color Yellow = .( 1.000000000f, 1.000000000f, 0.000000000f, 1.000000000f );
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public const Color YellowGreen = .( 0.603921592f, 0.803921640f, 0.196078449f, 1.000000000f );
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/// The red-component of the color
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public uint8 R;
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/// The green-component of the color
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public uint8 G;
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/// The blue-component of the color
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public uint8 B;
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/// The alpha-component of the color
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public uint8 A;
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/// Creates a new instance of Color with all components set to 0.
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public this()
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{
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this = default;
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}
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/// Creates a new instance of Color with the RGB-values set to the specified values and alpha set to 255.
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public this(uint8 r, uint8 g, uint8 b)
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{
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R = r;
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G = g;
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B = b;
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A = 255;
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}
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/// Creates a new instance of Color with the RGB-values set to the specified values and alpha set to 255.
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public this(float r, float g, float b) : this(r, g, b, 1.0f) { }
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/// Creates a new instance of Color with the specified values.
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public this(uint8 r, uint8 g, uint8 b, uint8 a)
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{
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R = r;
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G = g;
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B = b;
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A = a;
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}
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const float f = Math.Clamp(12.0f, uint8.MinValue, uint8.MaxValue);
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/// Creates a new instance of Color with the specified values.
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public this(float r, float g, float b, float a)
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{
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R = (uint8)(int)Math.Clamp(r * 255.0f, uint8.MinValue, uint8.MaxValue);
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G = (uint8)(int)Math.Clamp(g * 255.0f, uint8.MinValue, uint8.MaxValue);
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B = (uint8)(int)Math.Clamp(b * 255.0f, uint8.MinValue, uint8.MaxValue);
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A = (uint8)(int)Math.Clamp(a * 255.0f, uint8.MinValue, uint8.MaxValue);
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}
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public ref uint8 this[int index]
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{
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[Unchecked]
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get mut
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{
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return ref (&R)[index];
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}
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[Checked]
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get mut
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{
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Runtime.Assert(index < 0 || index > 3);
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return ref (&R)[index];
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}
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}
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[Inline]
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public uint8* ToPtr() mut
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{
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return &R;
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}
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// Todo: mathematical operations
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public static explicit operator Color(ColorRGBA col)
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{
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return .(col.R, col.G, col.B, col.A);
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}
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public static explicit operator ColorRGBA(Color col)
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{
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return .(col.R / 255.0f, col.G / 255.0f, col.B / 255.0f, col.A / 255.0f);
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}
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}
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}
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