Make colorspaces public

src/ImageSharp/ColorSpaces/CieLab.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Represents a CIE L*a*b* 1976 color.
     /// <see href="https://en.wikipedia.org/wiki/Lab_color_space"/>
     /// </summary>
-    internal readonly struct CieLab : IEquatable<CieLab>
+    public readonly struct CieLab : IEquatable<CieLab>
     {
         /// <summary>
         /// D50 standard illuminant.

src/ImageSharp/ColorSpaces/CieLch.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Represents the CIE L*C*h°, cylindrical form of the CIE L*a*b* 1976 color.
     /// <see href="https://en.wikipedia.org/wiki/Lab_color_space#Cylindrical_representation:_CIELCh_or_CIEHLC"/>
     /// </summary>
-    internal readonly struct CieLch : IEquatable<CieLch>
+    public readonly struct CieLch : IEquatable<CieLch>
     {
         /// <summary>
         /// D50 standard illuminant.

src/ImageSharp/ColorSpaces/CieLchuv.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Represents the CIE L*C*h°, cylindrical form of the CIE L*u*v* 1976 color.
     /// <see href="https://en.wikipedia.org/wiki/Lab_color_space#Cylindrical_representation:_CieLchuv_or_CIEHLC"/>
     /// </summary>
-    internal readonly struct CieLchuv : IEquatable<CieLchuv>
+    public readonly struct CieLchuv : IEquatable<CieLchuv>
     {
         /// <summary>
         /// D50 standard illuminant.

src/ImageSharp/ColorSpaces/CieLuv.cs

@@ -13,7 +13,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// attempted perceptual uniformity
     /// <see href="https://en.wikipedia.org/wiki/CIELUV"/>
     /// </summary>
-    internal readonly struct CieLuv : IEquatable<CieLuv>
+    public readonly struct CieLuv : IEquatable<CieLuv>
     {
         /// <summary>
         /// D65 standard illuminant.

src/ImageSharp/ColorSpaces/CieXyChromaticityCoordinates.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// <summary>
     /// Represents the coordinates of CIEXY chromaticity space
     /// </summary>
-    internal readonly struct CieXyChromaticityCoordinates : IEquatable<CieXyChromaticityCoordinates>
+    public readonly struct CieXyChromaticityCoordinates : IEquatable<CieXyChromaticityCoordinates>
     {
         /// <summary>
         /// Gets the chromaticity X-coordinate.

src/ImageSharp/ColorSpaces/CieXyy.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Represents an CIE xyY 1931 color
     /// <see href="https://en.wikipedia.org/wiki/CIE_1931_color_space#CIE_xy_chromaticity_diagram_and_the_CIE_xyY_color_space"/>
     /// </summary>
-    internal readonly struct CieXyy : IEquatable<CieXyy>
+    public readonly struct CieXyy : IEquatable<CieXyy>
     {
         /// <summary>
         /// Gets the X chrominance component.

src/ImageSharp/ColorSpaces/CieXyz.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Represents an CIE XYZ 1931 color
     /// <see href="https://en.wikipedia.org/wiki/CIE_1931_color_space#Definition_of_the_CIE_XYZ_color_space"/>
     /// </summary>
-    internal readonly struct CieXyz : IEquatable<CieXyz>
+    public readonly struct CieXyz : IEquatable<CieXyz>
     {
         /// <summary>
         /// Gets the X component. A mix (a linear combination) of cone response curves chosen to be nonnegative.

src/ImageSharp/ColorSpaces/Cmyk.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// <summary>
     /// Represents an CMYK (cyan, magenta, yellow, keyline) color.
     /// </summary>
-    internal readonly struct Cmyk : IEquatable<Cmyk>
+    public readonly struct Cmyk : IEquatable<Cmyk>
     {
         /// <summary>
         /// Gets the cyan color component.

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.Adapt.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Performs chromatic adaptation on the various color spaces.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         /// <summary>
         /// Performs chromatic adaptation of given <see cref="CieXyz"/> color.

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.CieLab.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="CieLab"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         /// <summary>
         /// The converter for converting between CieLch to CieLab.

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.CieLch.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="CieLch"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         /// <summary>
         /// The converter for converting between CieLab to CieLch.

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.CieLchuv.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="CieLchuv"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         /// <summary>
         /// The converter for converting between CieLab to CieLchuv.

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.CieLuv.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="CieLuv"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly CieLchuvToCieLuvConverter CieLchuvToCieLuvConverter = new CieLchuvToCieLuvConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.CieXyy.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="CieXyy"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly CieXyzAndCieXyyConverter CieXyzAndCieXyyConverter = new CieXyzAndCieXyyConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.CieXyz.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="CieXyz"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly CieLabToCieXyzConverter CieLabToCieXyzConverter = new CieLabToCieXyzConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.Cmyk.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="Cmyk"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly CmykAndRgbConverter CmykAndRgbConverter = new CmykAndRgbConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.Hsl.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="Hsl"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly HslAndRgbConverter HslAndRgbConverter = new HslAndRgbConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.Hsv.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="Hsv"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly HsvAndRgbConverter HsvAndRgbConverter = new HsvAndRgbConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.HunterLab.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="HunterLab"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         /// <summary>
         /// Converts a <see cref="CieLab"/> into a <see cref="HunterLab"/>

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.LinearRgb.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="LinearRgb"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly RgbToLinearRgbConverter RgbToLinearRgbConverter = new RgbToLinearRgbConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.Lms.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="Lms"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         /// <summary>
         /// Converts a <see cref="CieLab"/> into a <see cref="Lms"/>

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.Rgb.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="Rgb"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly LinearRgbToRgbConverter LinearRgbToRgbConverter = new LinearRgbToRgbConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.YCbCr.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <content>
     /// Allows conversion to <see cref="YCbCr"/>.
     /// </content>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         private static readonly YCbCrAndRgbConverter YCbCrAndRgbConverter = new YCbCrAndRgbConverter();
 

src/ImageSharp/ColorSpaces/Conversion/ColorSpaceConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// <summary>
     /// Converts between color spaces ensuring that the color is adapted using chromatic adaptation.
     /// </summary>
-    internal partial class ColorSpaceConverter
+    public partial class ColorSpaceConverter
     {
         /// <summary>
         /// The default whitepoint used for converting to CieLab

src/ImageSharp/ColorSpaces/Conversion/IChromaticAdaptation.cs

@@ -8,7 +8,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// A linear transformation of a source color (XS, YS, ZS) into a destination color (XD, YD, ZD) by a linear transformation [M]
     /// which is dependent on the source reference white (XWS, YWS, ZWS) and the destination reference white (XWD, YWD, ZWD).
     /// </summary>
-    internal interface IChromaticAdaptation
+    public interface IChromaticAdaptation
     {
         /// <summary>
         /// Performs a linear transformation of a source color in to the destination color.

src/ImageSharp/ColorSpaces/Conversion/Implementation/CIeLchToCieLabConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Converts from <see cref="CieLch"/> to <see cref="CieLab"/>.
     /// </summary>
-    internal class CieLchToCieLabConverter : IColorConversion<CieLch, CieLab>
+    internal sealed class CieLchToCieLabConverter : IColorConversion<CieLch, CieLab>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieLabToCieLchConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Converts from <see cref="CieLab"/> to <see cref="CieLch"/>.
     /// </summary>
-    internal class CieLabToCieLchConverter : IColorConversion<CieLab, CieLch>
+    internal sealed class CieLabToCieLchConverter : IColorConversion<CieLab, CieLch>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieLabToCieXyzConverter.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Converts from <see cref="CieLab"/> to <see cref="CieXyz"/>.
     /// </summary>
-    internal class CieLabToCieXyzConverter : IColorConversion<CieLab, CieXyz>
+    internal sealed class CieLabToCieXyzConverter : IColorConversion<CieLab, CieXyz>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieLchuvToCieLuvConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Converts from <see cref="CieLch"/> to <see cref="CieLab"/>.
     /// </summary>
-    internal class CieLchuvToCieLuvConverter : IColorConversion<CieLchuv, CieLuv>
+    internal sealed class CieLchuvToCieLuvConverter : IColorConversion<CieLchuv, CieLuv>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieLuvToCieLchuvConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Converts from <see cref="CieLab"/> to <see cref="CieLch"/>.
     /// </summary>
-    internal class CieLuvToCieLchuvConverter : IColorConversion<CieLuv, CieLchuv>
+    internal sealed class CieLuvToCieLchuvConverter : IColorConversion<CieLuv, CieLchuv>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieLuvToCieXyzConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Converts from <see cref="CieLuv"/> to <see cref="CieXyz"/>.
     /// </summary>
-    internal class CieLuvToCieXyzConverter : IColorConversion<CieLuv, CieXyz>
+    internal sealed class CieLuvToCieXyzConverter : IColorConversion<CieLuv, CieXyz>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieXyzAndCieXyyConverter.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// Color converter between CIE XYZ and CIE xyY
     /// <see href="http://www.brucelindbloom.com/"/> for formulas.
     /// </summary>
-    internal class CieXyzAndCieXyyConverter : IColorConversion<CieXyz, CieXyy>, IColorConversion<CieXyy, CieXyz>
+    internal sealed class CieXyzAndCieXyyConverter : IColorConversion<CieXyz, CieXyy>, IColorConversion<CieXyy, CieXyz>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieXyzAndLmsConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Color converter between CIE XYZ and LMS
     /// </summary>
-    internal class CieXyzAndLmsConverter : IColorConversion<CieXyz, Lms>, IColorConversion<Lms, CieXyz>
+    internal sealed class CieXyzAndLmsConverter : IColorConversion<CieXyz, Lms>, IColorConversion<Lms, CieXyz>
     {
         /// <summary>
         /// Default transformation matrix used, when no other is set. (Bradford)

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieXyzToCieLabConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Converts from <see cref="CieXyz"/> to <see cref="CieLab"/>.
     /// </summary>
-    internal class CieXyzToCieLabConverter : IColorConversion<CieXyz, CieLab>
+    internal sealed class CieXyzToCieLabConverter : IColorConversion<CieXyz, CieLab>
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="CieXyzToCieLabConverter"/> class.

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieXyzToCieLuvConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Converts from <see cref="CieXyz"/> to <see cref="CieLuv"/>.
     /// </summary>
-    internal class CieXyzToCieLuvConverter : IColorConversion<CieXyz, CieLuv>
+    internal sealed class CieXyzToCieLuvConverter : IColorConversion<CieXyz, CieLuv>
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="CieXyzToCieLuvConverter"/> class.

src/ImageSharp/ColorSpaces/Conversion/Implementation/CieXyzToHunterLabConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Color converter between CieXyz and HunterLab
     /// </summary>
-    internal class CieXyzToHunterLabConverter : CieXyzAndHunterLabConverterBase, IColorConversion<CieXyz, HunterLab>
+    internal sealed class CieXyzToHunterLabConverter : CieXyzAndHunterLabConverterBase, IColorConversion<CieXyz, HunterLab>
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="CieXyzToHunterLabConverter"/> class.

src/ImageSharp/ColorSpaces/Conversion/Implementation/CmykAndRgbConverter.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Color converter between CMYK and Rgb
     /// </summary>
-    internal class CmykAndRgbConverter : IColorConversion<Cmyk, Rgb>, IColorConversion<Rgb, Cmyk>
+    internal sealed class CmykAndRgbConverter : IColorConversion<Cmyk, Rgb>, IColorConversion<Rgb, Cmyk>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/GammaCompanding.cs

@@ -13,7 +13,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <see href="http://www.brucelindbloom.com/index.html?Eqn_RGB_to_XYZ.html"/>
     /// <see href="http://www.brucelindbloom.com/index.html?Eqn_XYZ_to_RGB.html"/>
     /// </remarks>
-    internal class GammaCompanding : ICompanding
+    public sealed class GammaCompanding : ICompanding
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="GammaCompanding"/> class.

src/ImageSharp/ColorSpaces/Conversion/Implementation/HslAndRgbConverter.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// Color converter between HSL and Rgb
     /// See <see href="http://www.poynton.com/PDFs/coloureq.pdf"/> for formulas.
     /// </summary>
-    internal class HslAndRgbConverter : IColorConversion<Hsl, Rgb>, IColorConversion<Rgb, Hsl>
+    internal sealed class HslAndRgbConverter : IColorConversion<Hsl, Rgb>, IColorConversion<Rgb, Hsl>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/HsvAndRgbConverter.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// Color converter between HSV and Rgb
     /// See <see href="http://www.poynton.com/PDFs/coloureq.pdf"/> for formulas.
     /// </summary>
-    internal class HsvAndRgbConverter : IColorConversion<Hsv, Rgb>, IColorConversion<Rgb, Hsv>
+    internal sealed class HsvAndRgbConverter : IColorConversion<Hsv, Rgb>, IColorConversion<Rgb, Hsv>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/HunterLabToCieXyzConverter.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Color converter between HunterLab and CieXyz
     /// </summary>
-    internal class HunterLabToCieXyzConverter : CieXyzAndHunterLabConverterBase, IColorConversion<HunterLab, CieXyz>
+    internal sealed class HunterLabToCieXyzConverter : CieXyzAndHunterLabConverterBase, IColorConversion<HunterLab, CieXyz>
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/LCompanding.cs

@@ -14,7 +14,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <see href="http://www.brucelindbloom.com/index.html?Eqn_RGB_to_XYZ.html"/>
     /// <see href="http://www.brucelindbloom.com/index.html?Eqn_XYZ_to_RGB.html"/>
     /// </remarks>
-    internal class LCompanding : ICompanding
+    public sealed class LCompanding : ICompanding
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/LinearRgbToRgbConverter.cs

@@ -8,12 +8,12 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Color converter between LinearRgb and Rgb
     /// </summary>
-    internal class LinearRgbToRgbConverter : IColorConversion<LinearRgb, Rgb>
+    internal sealed class LinearRgbToRgbConverter : IColorConversion<LinearRgb, Rgb>
     {
         /// <inheritdoc/>
         public Rgb Convert(in LinearRgb input)
         {
-            Vector3 vector = input.ToVector3();
+            var vector = input.ToVector3();
             vector.X = input.WorkingSpace.Companding.Compress(vector.X);
             vector.Y = input.WorkingSpace.Companding.Compress(vector.Y);
             vector.Z = input.WorkingSpace.Companding.Compress(vector.Z);

src/ImageSharp/ColorSpaces/Conversion/Implementation/LmsAdaptationMatrix.cs

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// DISCo, Department of Informatics, Systems and Communication, University of Milan-Bicocca, viale Sarca 336, 20126 Milan, Italy
     /// https://web.stanford.edu/~sujason/ColorBalancing/Papers/Two%20New%20von%20Kries%20Based%20Chromatic%20Adaptation.pdf
     /// </remarks>
-    internal static class LmsAdaptationMatrix
+    public static class LmsAdaptationMatrix
     {
         /// <summary>
         /// Von Kries chromatic adaptation transform matrix (Hunt-Pointer-Estevez adjusted for D65)
@@ -25,9 +25,15 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
         public static readonly Matrix4x4 VonKriesHPEAdjusted
             = Matrix4x4.Transpose(new Matrix4x4
             {
-                M11 = 0.40024F, M12 = 0.7076F,  M13 = -0.08081F,
-                M21 = -0.2263F, M22 = 1.16532F, M23 = 0.0457F,
-                M31 = 0,        M32 = 0,        M33 = 0.91822F,
+                M11 = 0.40024F,
+                M12 = 0.7076F,
+                M13 = -0.08081F,
+                M21 = -0.2263F,
+                M22 = 1.16532F,
+                M23 = 0.0457F,
+                M31 = 0,
+                M32 = 0,
+                M33 = 0.91822F,
                 M44 = 1F // Important for inverse transforms.
             });
 
@@ -37,9 +43,15 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
         public static readonly Matrix4x4 VonKriesHPE
             = Matrix4x4.Transpose(new Matrix4x4
             {
-                M11 = 0.3897F,  M12 = 0.6890F, M13 = -0.0787F,
-                M21 = -0.2298F, M22 = 1.1834F, M23 = 0.0464F,
-                M31 = 0,        M32 = 0,       M33 = 1F,
+                M11 = 0.3897F,
+                M12 = 0.6890F,
+                M13 = -0.0787F,
+                M21 = -0.2298F,
+                M22 = 1.1834F,
+                M23 = 0.0464F,
+                M31 = 0,
+                M32 = 0,
+                M33 = 1F,
                 M44 = 1F
             });
 
@@ -54,9 +66,15 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
         public static readonly Matrix4x4 Bradford
             = Matrix4x4.Transpose(new Matrix4x4
             {
-                M11 = 0.8951F,  M12 = 0.2664F,  M13 = -0.1614F,
-                M21 = -0.7502F, M22 = 1.7135F,  M23 = 0.0367F,
-                M31 = 0.0389F,  M32 = -0.0685F, M33 = 1.0296F,
+                M11 = 0.8951F,
+                M12 = 0.2664F,
+                M13 = -0.1614F,
+                M21 = -0.7502F,
+                M22 = 1.7135F,
+                M23 = 0.0367F,
+                M31 = 0.0389F,
+                M32 = -0.0685F,
+                M33 = 1.0296F,
                 M44 = 1F
             });
 
@@ -65,35 +83,53 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
         /// </summary>
         public static readonly Matrix4x4 BradfordSharp
             = Matrix4x4.Transpose(new Matrix4x4
-             {
-                 M11 = 1.2694F,  M12 = -0.0988F,  M13 = -0.1706F,
-                 M21 = -0.8364F, M22 = 1.8006F,  M23 = 0.0357F,
-                 M31 = 0.0297F,  M32 = -0.0315F, M33 = 1.0018F,
-                 M44 = 1F
-             });
+            {
+                M11 = 1.2694F,
+                M12 = -0.0988F,
+                M13 = -0.1706F,
+                M21 = -0.8364F,
+                M22 = 1.8006F,
+                M23 = 0.0357F,
+                M31 = 0.0297F,
+                M32 = -0.0315F,
+                M33 = 1.0018F,
+                M44 = 1F
+            });
 
         /// <summary>
         /// CMCCAT2000 (fitted from all available color data sets)
         /// </summary>
         public static readonly Matrix4x4 CMCCAT2000
             = Matrix4x4.Transpose(new Matrix4x4
-             {
-                 M11 = 0.7982F,  M12 = 0.3389F, M13 = -0.1371F,
-                 M21 = -0.5918F, M22 = 1.5512F, M23 = 0.0406F,
-                 M31 = 0.0008F,  M32 = 0.239F,  M33 = 0.9753F,
-                 M44 = 1F
-             });
+            {
+                M11 = 0.7982F,
+                M12 = 0.3389F,
+                M13 = -0.1371F,
+                M21 = -0.5918F,
+                M22 = 1.5512F,
+                M23 = 0.0406F,
+                M31 = 0.0008F,
+                M32 = 0.239F,
+                M33 = 0.9753F,
+                M44 = 1F
+            });
 
         /// <summary>
         /// CAT02 (optimized for minimizing CIELAB differences)
         /// </summary>
         public static readonly Matrix4x4 CAT02
             = Matrix4x4.Transpose(new Matrix4x4
-             {
-                 M11 = 0.7328F,  M12 = 0.4296F, M13 = -0.1624F,
-                 M21 = -0.7036F, M22 = 1.6975F, M23 = 0.0061F,
-                 M31 = 0.0030F,  M32 = 0.0136F,  M33 = 0.9834F,
-                 M44 = 1F
-             });
+            {
+                M11 = 0.7328F,
+                M12 = 0.4296F,
+                M13 = -0.1624F,
+                M21 = -0.7036F,
+                M22 = 1.6975F,
+                M23 = 0.0061F,
+                M31 = 0.0030F,
+                M32 = 0.0136F,
+                M33 = 0.9834F,
+                M44 = 1F
+            });
     }
 }

src/ImageSharp/ColorSpaces/Conversion/Implementation/RGBPrimariesChromaticityCoordinates.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// Represents the chromaticity coordinates of RGB primaries.
     /// One of the specifiers of <see cref="RgbWorkingSpace"/>.
     /// </summary>
-    internal readonly struct RgbPrimariesChromaticityCoordinates : IEquatable<RgbPrimariesChromaticityCoordinates>
+    public readonly struct RgbPrimariesChromaticityCoordinates : IEquatable<RgbPrimariesChromaticityCoordinates>
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="RgbPrimariesChromaticityCoordinates"/> struct.

src/ImageSharp/ColorSpaces/Conversion/Implementation/Rec2020Companding.cs

@@ -13,7 +13,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <see href="http://en.wikipedia.org/wiki/Rec._2020"/>
     /// For 10-bits, companding is identical to <see cref="Rec709Companding"/>
     /// </remarks>
-    internal class Rec2020Companding : ICompanding
+    public sealed class Rec2020Companding : ICompanding
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/Rec709Companding.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <remarks>
     /// http://en.wikipedia.org/wiki/Rec._709
     /// </remarks>
-    internal class Rec709Companding : ICompanding
+    public sealed class Rec709Companding : ICompanding
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/RgbWorkingSpace.cs

@@ -8,7 +8,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <summary>
     /// Trivial implementation of <see cref="RgbWorkingSpace"/>
     /// </summary>
-    internal class RgbWorkingSpace : IEquatable<RgbWorkingSpace>
+    public class RgbWorkingSpace : IEquatable<RgbWorkingSpace>
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="RgbWorkingSpace"/> class.

src/ImageSharp/ColorSpaces/Conversion/Implementation/SRgbCompanding.cs

@@ -14,7 +14,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// <see href="http://www.brucelindbloom.com/index.html?Eqn_RGB_to_XYZ.html"/>
     /// <see href="http://www.brucelindbloom.com/index.html?Eqn_XYZ_to_RGB.html"/>
     /// </remarks>
-    internal class SRgbCompanding : ICompanding
+    public sealed class SRgbCompanding : ICompanding
     {
         /// <inheritdoc/>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/ColorSpaces/Conversion/Implementation/YCbCrAndRgbConverter.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion.Implementation
     /// Color converter between YCbCr and Rgb
     /// See <see href="https://en.wikipedia.org/wiki/YCbCr#JPEG_conversion"/> for formulas.
     /// </summary>
-    internal class YCbCrAndRgbConverter : IColorConversion<YCbCr, Rgb>, IColorConversion<Rgb, YCbCr>
+    internal sealed class YCbCrAndRgbConverter : IColorConversion<YCbCr, Rgb>, IColorConversion<Rgb, YCbCr>
     {
         private static readonly Vector3 MaxBytes = new Vector3(255F);
 

src/ImageSharp/ColorSpaces/Conversion/VonKriesChromaticAdaptation.cs

@@ -13,7 +13,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
     /// Transformation described here:
     /// http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html
     /// </remarks>
-    internal class VonKriesChromaticAdaptation : IChromaticAdaptation
+    public class VonKriesChromaticAdaptation : IChromaticAdaptation
     {
         private readonly CieXyzAndLmsConverter converter;
 
@@ -41,7 +41,7 @@ namespace SixLabors.ImageSharp.ColorSpaces.Conversion
         /// Initializes a new instance of the <see cref="VonKriesChromaticAdaptation"/> class.
         /// </summary>
         /// <param name="converter">The color converter</param>
-        public VonKriesChromaticAdaptation(CieXyzAndLmsConverter converter)
+        internal VonKriesChromaticAdaptation(CieXyzAndLmsConverter converter)
         {
             this.converter = converter;
         }

src/ImageSharp/ColorSpaces/Hsl.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// <summary>
     /// Represents a Hsl (hue, saturation, lightness) color.
     /// </summary>
-    internal readonly struct Hsl : IEquatable<Hsl>
+    public readonly struct Hsl : IEquatable<Hsl>
     {
         /// <summary>
         /// Max range used for clamping.

src/ImageSharp/ColorSpaces/Hsv.cs

@@ -13,7 +13,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// <summary>
     /// Represents a HSV (hue, saturation, value) color. Also known as HSB (hue, saturation, brightness).
     /// </summary>
-    internal readonly struct Hsv : IEquatable<Hsv>
+    public readonly struct Hsv : IEquatable<Hsv>
     {
         /// <summary>
         /// Max range used for clamping.

src/ImageSharp/ColorSpaces/HunterLab.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Represents an Hunter LAB color.
     /// <see href="https://en.wikipedia.org/wiki/Lab_color_space"/>
     /// </summary>
-    internal readonly struct HunterLab : IEquatable<HunterLab>
+    public readonly struct HunterLab : IEquatable<HunterLab>
     {
         /// <summary>
         /// D50 standard illuminant.

src/ImageSharp/ColorSpaces/IAlmostEquatable.cs

@@ -1,28 +0,0 @@
-// Copyright (c) Six Labors and contributors.
-// Licensed under the Apache License, Version 2.0.
-
-using System;
-
-namespace SixLabors.ImageSharp.ColorSpaces
-{
-    /// <summary>
-    /// Defines a generalized method that a value type or class implements to create
-    /// a type-specific method for determining approximate equality of instances.
-    /// </summary>
-    /// <typeparam name="TPixel">The type of objects to compare.</typeparam>
-    /// <typeparam name="TPrecision">The object specifying the type to specify precision with.</typeparam>
-    internal interface IAlmostEquatable<in TPixel, in TPrecision>
-        where TPrecision : struct, IComparable<TPrecision>
-    {
-        /// <summary>
-        /// Indicates whether the current object is equal to another object of the same type
-        /// when compared to the specified precision level.
-        /// </summary>
-        /// <param name="other">An object to compare with this object.</param>
-        /// <param name="precision">The object specifying the level of precision.</param>
-        /// <returns>
-        /// true if the current object is equal to the other parameter; otherwise, false.
-        /// </returns>
-        bool AlmostEquals(TPixel other, TPrecision precision);
-    }
-}

src/ImageSharp/ColorSpaces/ICompanding.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Used for conversion to <see cref="CieXyz"/> and backwards.
     /// See also: <seealso cref="RgbWorkingSpace.Companding"/>
     /// </summary>
-    internal interface ICompanding
+    public interface ICompanding
     {
         /// <summary>
         /// Expands a companded channel to its linear equivalent with respect to the energy.

src/ImageSharp/ColorSpaces/Illuminants.cs

@@ -14,7 +14,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Descriptions taken from:
     /// http://en.wikipedia.org/wiki/Standard_illuminant
     /// </remarks>
-    internal static class Illuminants
+    public static class Illuminants
     {
         /// <summary>
         /// Incandescent / Tungsten

src/ImageSharp/ColorSpaces/LinearRgb.cs

@@ -11,7 +11,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// <summary>
     /// Represents an linear Rgb color with specified <see cref="RgbWorkingSpace"/> working space
     /// </summary>
-    internal readonly struct LinearRgb : IEquatable<LinearRgb>
+    public readonly struct LinearRgb : IEquatable<LinearRgb>
     {
         /// <summary>
         /// The default LinearRgb working space.

src/ImageSharp/ColorSpaces/Lms.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// named after their responsivity (sensitivity) at long, medium and short wavelengths.
     /// <see href="https://en.wikipedia.org/wiki/LMS_color_space"/>
     /// </summary>
-    internal readonly struct Lms : IEquatable<Lms>
+    public readonly struct Lms : IEquatable<Lms>
     {
         /// <summary>
         /// Gets the L long component.

src/ImageSharp/ColorSpaces/Rgb.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// <summary>
     /// Represents an RGB color with specified <see cref="RgbWorkingSpace"/> working space.
     /// </summary>
-    internal readonly struct Rgb : IEquatable<Rgb>
+    public readonly struct Rgb : IEquatable<Rgb>
     {
         /// <summary>
         /// The default rgb working space
@@ -97,20 +97,28 @@ namespace SixLabors.ImageSharp.ColorSpaces
             this.WorkingSpace = workingSpace;
         }
 
+        /// <summary>
+        /// Allows the implicit conversion of an instance of <see cref="Rgb24"/> to a
+        /// <see cref="Rgb"/>.
+        /// </summary>
+        /// <param name="color">The instance of <see cref="Rgba32"/> to convert.</param>
+        /// <returns>An instance of <see cref="Rgb"/>.</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator Rgb(Rgb24 color)
+        {
+            return new Rgb(color.R / 255F, color.G / 255F, color.B / 255F);
+        }
+
         /// <summary>
         /// Allows the implicit conversion of an instance of <see cref="Rgba32"/> to a
         /// <see cref="Rgb"/>.
         /// </summary>
-        /// <param name="color">
-        /// The instance of <see cref="Rgba32"/> to convert.
-        /// </param>
-        /// <returns>
-        /// An instance of <see cref="Rgb"/>.
-        /// </returns>
+        /// <param name="color">The instance of <see cref="Rgba32"/> to convert.</param>
+        /// <returns>An instance of <see cref="Rgb"/>.</returns>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static implicit operator Rgb(Rgba32 color)
         {
-            return new Rgb(color.R / 255F, color.G / 255F, color.B / 255F);
+            return new Rgba32(color.R / 255F, color.G / 255F, color.B / 255F);
         }
 
         /// <summary>

src/ImageSharp/ColorSpaces/RgbWorkingSpaces.cs

@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// Chromaticity coordinates taken from:
     /// <see href="http://www.brucelindbloom.com/index.html?WorkingSpaceInfo.html"/>
     /// </summary>
-    internal static class RgbWorkingSpaces
+    public static class RgbWorkingSpaces
     {
         /// <summary>
         /// sRgb working space.

src/ImageSharp/ColorSpaces/YCbCr.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.ColorSpaces
     /// <see href="http://en.wikipedia.org/wiki/YCbCr"/>
     /// <see href="http://www.ijg.org/files/T-REC-T.871-201105-I!!PDF-E.pdf"/>
     /// </summary>
-    internal readonly struct YCbCr : IEquatable<YCbCr>
+    public readonly struct YCbCr : IEquatable<YCbCr>
     {
         /// <summary>
         /// Vector which is used in clamping to the max value.

src/ImageSharp/PixelFormats/Rgb24.cs

@@ -50,6 +50,21 @@ namespace SixLabors.ImageSharp.PixelFormats
             this.B = b;
         }
 
+        /// <summary>
+        /// Allows the implicit conversion of an instance of <see cref="ColorSpaces.Rgb"/> to a
+        /// <see cref="Rgb24"/>.
+        /// </summary>
+        /// <param name="color">The instance of <see cref="ColorSpaces.Rgb"/> to convert.</param>
+        /// <returns>An instance of <see cref="Rgb24"/>.</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator Rgb24(ColorSpaces.Rgb color)
+        {
+            var vector = new Vector4(color.ToVector3(), 1);
+            Rgb24 rgb = default;
+            rgb.PackFromScaledVector4(vector);
+            return rgb;
+        }
+
         /// <inheritdoc/>
         public PixelOperations<Rgb24> CreatePixelOperations() => new PixelOperations<Rgb24>();
 

src/ImageSharp/PixelFormats/Rgba32.cs

@@ -206,6 +206,21 @@ namespace SixLabors.ImageSharp.PixelFormats
             set => this.Rgba = value;
         }
 
+        /// <summary>
+        /// Allows the implicit conversion of an instance of <see cref="ColorSpaces.Rgb"/> to a
+        /// <see cref="Rgba32"/>.
+        /// </summary>
+        /// <param name="color">The instance of <see cref="ColorSpaces.Rgb"/> to convert.</param>
+        /// <returns>An instance of <see cref="Rgba32"/>.</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator Rgba32(ColorSpaces.Rgb color)
+        {
+            var vector = new Vector4(color.ToVector3(), 1);
+            Rgba32 rgba = default;
+            rgba.PackFromScaledVector4(vector);
+            return rgba;
+        }
+
         /// <summary>
         /// Compares two <see cref="Rgba32"/> objects for equality.
         /// </summary>