ColorConverter Class Reference

Static Public Member Functions
static Lab	RgbToLab (Color rgb)
static Lab	XyzToLab (Xyz xyz)
static Xyz	RgbToXyz (Color rgb)

Static Private Member Functions
static float	PivotXyz (float n)
static float	CubicRoot (float n)
static float	PivotRgb (float n)

Static Private Attributes
const float	Epsilon = 0.008856f
const float	Kappa = 903.3f
static readonly Xyz	WhiteReference

Detailed Description

Definition at line 4 of file ColorConverter.cs.

Member Function Documentation

CubicRoot()

static float ColorConverter.CubicRoot ( float  n )

inlinestaticprivate

Definition at line 45 of file ColorConverter.cs.

    {
        return Mathf.Pow(n, 1f / 3f);
    }

Referenced by PivotXyz().

PivotRgb()

static float ColorConverter.PivotRgb ( float  n )

inlinestaticprivate

Definition at line 63 of file ColorConverter.cs.

    {
        return ((n > 0.04045f) ? Mathf.Pow((n + 0.055f) / 1.055f, 2.4f) : (n / 12.92f)) * 100f;
    }

Referenced by RgbToXyz().

PivotXyz()

static float ColorConverter.PivotXyz ( float  n )

inlinestaticprivate

Definition at line 36 of file ColorConverter.cs.

    {
        if (!(n > 0.008856f))
        {
            return (903.3f * n + 16f) / 116f;
        }
        return CubicRoot(n);
    }

References CubicRoot().

Referenced by XyzToLab().

RgbToLab()

static Lab ColorConverter.RgbToLab ( Color  rgb )

inlinestatic

Definition at line 17 of file ColorConverter.cs.

    {
        return XyzToLab(RgbToXyz(rgb));
    }

References RgbToXyz(), and XyzToLab().

Referenced by ColorComparer.Compare().

RgbToXyz()

static Xyz ColorConverter.RgbToXyz ( Color  rgb )

inlinestatic

Definition at line 50 of file ColorConverter.cs.

    {
        float num = PivotRgb(rgb.r);
        float num2 = PivotRgb(rgb.g);
        float num3 = PivotRgb(rgb.b);
        return new Xyz
        {
            X = num * 0.4124f + num2 * 0.3576f + num3 * 0.1805f,
            Y = num * 0.2126f + num2 * 0.7152f + num3 * 0.0722f,
            Z = num * 0.0193f + num2 * 0.1192f + num3 * 0.9505f
        };
    }

References PivotRgb().

Referenced by RgbToLab().

XyzToLab()

static Lab ColorConverter.XyzToLab ( Xyz  xyz )

inlinestatic

Definition at line 22 of file ColorConverter.cs.

    {
        Xyz whiteReference = WhiteReference;
        float num = PivotXyz(xyz.X / whiteReference.X);
        float num2 = PivotXyz(xyz.Y / whiteReference.Y);
        float num3 = PivotXyz(xyz.Z / whiteReference.Z);
        return new Lab
        {
            L = Math.Max(0f, 116f * num2 - 16f),
            A = 500f * (num - num2),
            B = 200f * (num2 - num3)
        };
    }

References PivotXyz(), WhiteReference, Xyz.X, Xyz.Y, and Xyz.Z.

Referenced by RgbToLab().

Member Data Documentation

Epsilon

const float ColorConverter.Epsilon = 0.008856f

staticprivate

Definition at line 6 of file ColorConverter.cs.

Kappa

const float ColorConverter.Kappa = 903.3f

staticprivate

Definition at line 8 of file ColorConverter.cs.

WhiteReference

readonly Xyz ColorConverter.WhiteReference

staticprivate

Initial value:

= new Xyz
    {
        X = 95.047f,
        Y = 100f,
        Z = 108.883f
    }

Definition at line 10 of file ColorConverter.cs.

Referenced by XyzToLab().

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The documentation for this class was generated from the following file:

• Elin/Plugins.UI/ColorConverter.cs