Added CICP profile types

src/ImageSharp/Metadata/Profiles/CICP/CicpProfile.cs

@@ -0,0 +1,72 @@
+// Copyright (c) Six Labors.
+// Licensed under the Six Labors Split License.
+
+namespace SixLabors.ImageSharp.Metadata.Profiles.CICP;
+
+/// <summary>
+/// Represents a CICP profile as per ITU-T H.273 / ISO/IEC 23091-2_2019 providing access to color space information
+/// </summary>
+public sealed class CicpProfile : IDeepCloneable<CicpProfile>
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="CicpProfile"/> class.
+    /// </summary>
+    public CicpProfile()
+        : this(2, 2, 2, null)
+    {
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="CicpProfile"/> class.
+    /// </summary>
+    /// <param name="colorPrimaries">The color primaries as number according to ITU-T H.273 / ISO/IEC 23091-2_2019.</param>
+    /// <param name="transferCharacteristics">The transfer characteristics as number according to ITU-T H.273 / ISO/IEC 23091-2_2019.</param>
+    /// <param name="matrixCoefficients">The matrix coefficients as number according to ITU-T H.273 / ISO/IEC 23091-2_2019.</param>
+    /// <param name="fullRange">The full range flag, or null if unknown.</param>
+    public CicpProfile(byte colorPrimaries, byte transferCharacteristics, byte matrixCoefficients, bool? fullRange)
+    {
+        this.ColorPrimaries = Enum.IsDefined(typeof(CicpColorPrimaries), colorPrimaries) ? (CicpColorPrimaries)colorPrimaries : CicpColorPrimaries.Unspecified;
+        this.TransferCharacteristics = Enum.IsDefined(typeof(CicpTransferCharacteristics), transferCharacteristics) ? (CicpTransferCharacteristics)transferCharacteristics : CicpTransferCharacteristics.Unspecified;
+        this.MatrixCoefficients = Enum.IsDefined(typeof(CicpMatrixCoefficients), matrixCoefficients) ? (CicpMatrixCoefficients)matrixCoefficients : CicpMatrixCoefficients.Unspecified;
+        this.FullRange = fullRange ?? (this.MatrixCoefficients == CicpMatrixCoefficients.Identity);
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="CicpProfile"/> class
+    /// by making a copy from another CICP profile.
+    /// </summary>
+    /// <param name="other">The other CICP profile, where the clone should be made from.</param>
+    /// <exception cref="ArgumentNullException"><paramref name="other"/> is null.</exception>>
+    private CicpProfile(CicpProfile other)
+    {
+        Guard.NotNull(other, nameof(other));
+
+        this.ColorPrimaries = other.ColorPrimaries;
+        this.TransferCharacteristics = other.TransferCharacteristics;
+        this.MatrixCoefficients = other.MatrixCoefficients;
+        this.FullRange = other.FullRange;
+    }
+
+    /// <summary>
+    /// Gets or sets the color primaries
+    /// </summary>
+    public CicpColorPrimaries ColorPrimaries { get; set; }
+
+    /// <summary>
+    /// Gets or sets the transfer characteristics
+    /// </summary>
+    public CicpTransferCharacteristics TransferCharacteristics { get; set; }
+
+    /// <summary>
+    /// Gets or sets the matrix coefficients
+    /// </summary>
+    public CicpMatrixCoefficients MatrixCoefficients { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value indicating whether the colors use the full numeric range
+    /// </summary>
+    public bool FullRange { get; set; }
+
+    /// <inheritdoc/>
+    public CicpProfile DeepClone() => new(this);
+}

src/ImageSharp/Metadata/Profiles/CICP/Enums/CicpColorPrimaries.cs

@@ -0,0 +1,86 @@
+// Copyright (c) Six Labors.
+// Licensed under the Six Labors Split License.
+
+namespace SixLabors.ImageSharp.Metadata.Profiles.CICP;
+
+#pragma warning disable CA1707 // Underscores in enum members
+
+/// <summary>
+/// Color primaries according to ITU-T H.273 / ISO/IEC 23091-2_2019 subclause 8.1
+/// </summary>
+public enum CicpColorPrimaries : byte
+{
+    /// <summary>
+    /// Rec. ITU-R BT.709-6
+    /// IEC 61966-2-1 sRGB or sYCC
+    /// IEC 61966-2-4
+    /// SMPTE RP 177 (1993) Annex B
+    /// </summary>
+    ItuRBt709_6 = 1,
+
+    /// <summary>
+    /// Image characteristics are unknown or are determined by the application.
+    /// </summary>
+    Unspecified = 2,
+
+    /// <summary>
+    /// Rec. ITU-R BT.470-6 System M (historical)
+    /// </summary>
+    ItuRBt470_6M = 4,
+
+    /// <summary>
+    /// Rec. ITU-R BT.601-7 625
+    /// Rec. ITU-R BT.1700-0 625 PAL and 625 SECAM
+    /// </summary>
+    ItuRBt601_7_625 = 5,
+
+    /// <summary>
+    /// Rec. ITU-R BT.601-7 525
+    /// Rec. ITU-R BT.1700-0 NTSC
+    /// SMPTE ST 170 (2004)
+    /// (functionally the same as the value 7)
+    /// </summary>
+    ItuRBt601_7_525 = 6,
+
+    /// <summary>
+    /// SMPTE ST 240 (1999)
+    /// (functionally the same as the value 6)
+    /// </summary>
+    SmpteSt240 = 7,
+
+    /// <summary>
+    /// Generic film (colour filters using Illuminant C)
+    /// </summary>
+    GenericFilm = 8,
+
+    /// <summary>
+    /// Rec. ITU-R BT.2020-2
+    /// Rec. ITU-R BT.2100-2
+    /// </summary>
+    ItuRBt2020_2 = 9,
+
+    /// <summary>
+    /// SMPTE ST 428-1 (2019)
+    /// (CIE 1931 XYZ as in ISO 11664-1)
+    /// </summary>
+    SmpteSt428_1 = 10,
+
+    /// <summary>
+    /// SMPTE RP 431-2 (2011)
+    /// DCI P3
+    /// </summary>
+    SmpteRp431_2 = 11,
+
+    /// <summary>
+    /// SMPTE ST 432-1 (2010)
+    /// P3 D65 / Display P3
+    /// </summary>
+    SmpteEg432_1 = 12,
+
+    /// <summary>
+    /// EBU Tech.3213-E
+    /// </summary>
+    EbuTech3213E = 22,
+}
+
+#pragma warning restore CA1707 // Underscores in enum members

src/ImageSharp/Metadata/Profiles/CICP/Enums/CicpMatrixCoefficients.cs

@@ -0,0 +1,96 @@
+// Copyright (c) Six Labors.
+// Licensed under the Six Labors Split License.
+
+namespace SixLabors.ImageSharp.Metadata.Profiles.CICP;
+
+#pragma warning disable CA1707 // Underscores in enum members
+
+/// <summary>
+/// Matrix coefficients according to ITU-T H.273 / ISO/IEC 23091-2_2019 subclause 8.3
+/// </summary>
+public enum CicpMatrixCoefficients : byte
+{
+    /// <summary>
+    /// The identity matrix.
+    /// IEC 61966-2-1 sRGB
+    /// SMPTE ST 428-1 (2019)
+    /// </summary>
+    Identity = 0,
+
+    /// <summary>
+    /// Rec. ITU-R BT.709-6
+    /// IEC 61966-2-4 xvYCC709
+    /// SMPTE RP 177 (1993) Annex B
+    /// </summary>
+    ItuRBt709_6 = 1,
+
+    /// <summary>
+    /// Image characteristics are unknown or are determined by the application.
+    /// </summary>
+    Unspecified = 2,
+
+    /// <summary>
+    /// FCC Title 47 Code of Federal Regulations 73.682 (a) (20)
+    /// </summary>
+    Fcc47 = 4,
+
+    /// <summary>
+    /// Rec. ITU-R BT.601-7 625
+    /// Rec. ITU-R BT.1700-0 625 PAL and 625 SECAM
+    /// IEC 61966-2-1 sYCC
+    /// IEC 61966-2-4 xvYCC601
+    /// (functionally the same as the value 6)
+    /// </summary>
+    ItuRBt601_7_625 = 5,
+
+    /// <summary>
+    /// Rec. ITU-R BT.601-7 525
+    /// Rec. ITU-R BT.1700-0 NTSC
+    /// SMPTE ST 170 (2004)
+    /// (functionally the same as the value 5)
+    /// </summary>
+    ItuRBt601_7_525 = 6,
+
+    /// <summary>
+    /// SMPTE ST 240 (1999)
+    /// </summary>
+    SmpteSt240 = 7,
+
+    /// <summary>
+    /// YCgCo
+    /// </summary>
+    YCgCo = 8,
+
+    /// <summary>
+    /// Rec. ITU-R BT.2020-2 (non-constant luminance)
+    /// Rec. ITU-R BT.2100-2 Y′CbCr
+    /// </summary>
+    ItuRBt2020_2_Ncl = 9,
+
+    /// <summary>
+    /// Rec. ITU-R BT.2020-2 (constant luminance)
+    /// </summary>
+    ItuRBt2020_2_Cl = 10,
+
+    /// <summary>
+    /// SMPTE ST 2085 (2015)
+    /// </summary>
+    SmpteSt2085 = 11,
+
+    /// <summary>
+    /// Chromaticity-derived non-constant luminance system
+    /// </summary>
+    ChromaDerivedNcl = 12,
+
+    /// <summary>
+    /// Chromaticity-derived constant luminance system
+    /// </summary>
+    ChromaDerivedCl = 13,
+
+    /// <summary>
+    /// Rec. ITU-R BT.2100-2 ICtCp
+    /// </summary>
+    ICtCp = 14,
+}
+
+#pragma warning restore CA1707 // Underscores in enum members

src/ImageSharp/Metadata/Profiles/CICP/Enums/CicpTransferCharacteristics.cs

@@ -0,0 +1,109 @@
+// Copyright (c) Six Labors.
+// Licensed under the Six Labors Split License.
+
+namespace SixLabors.ImageSharp.Metadata.Profiles.CICP;
+
+#pragma warning disable CA1707 // Underscores in enum members
+
+/// <summary>
+/// Transfer characteristics according to ITU-T H.273 / ISO/IEC 23091-2_2019 subclause 8.2
+/// /// </summary>
+public enum CicpTransferCharacteristics : byte
+{
+    /// <summary>
+    /// Rec. ITU-R BT.709-6
+    /// (functionally the same as the values 6, 14 and 15)
+    /// </summary>
+    ItuRBt709_6 = 1,
+
+    /// <summary>
+    /// Image characteristics are unknown or are determined by the application.
+    /// </summary>
+    Unspecified = 2,
+
+    /// <summary>
+    /// Assumed display gamma 2.2
+    /// Rec. ITU-R BT.1700-0 625 PAL and 625 SECAM
+    /// </summary>
+    Gamma2_2 = 4,
+
+    /// <summary>
+    /// Assumed display gamma 2.8
+    /// Rec. ITU-R BT.470-6 System B, G (historical)
+    /// </summary>
+    Gamma2_8 = 5,
+
+    /// <summary>
+    /// Rec. ITU-R BT.601-7 525 or 625
+    /// Rec. ITU-R BT.1700-0 NTSC
+    /// SMPTE ST 170 (2004)
+    /// (functionally the same as the values 1, 14 and 15)
+    /// </summary>
+    ItuRBt601_7 = 6,
+
+    /// <summary>
+    /// SMPTE ST 240 (1999)
+    /// </summary>
+    SmpteSt240 = 7,
+
+    /// <summary>
+    /// Linear transfer characteristics
+    /// </summary>
+    Linear = 8,
+
+    /// <summary>
+    /// Logarithmic transfer characteristic (100:1 range)
+    /// </summary>
+    Log100 = 9,
+
+    /// <summary>
+    /// Logarithmic transfer characteristic (100 * Sqrt( 10 ) : 1 range)
+    /// </summary>
+    Log100Sqrt = 10,
+
+    /// <summary>
+    /// IEC 61966-2-4
+    /// </summary>
+    Iec61966_2_4 = 11,
+
+    /// <summary>
+    /// Rec. ITU-R BT.1361-0 extended colour gamut system (historical)
+    /// </summary>
+    ItuRBt1361_0 = 12,
+
+    /// <summary>
+    /// IEC 61966-2-1 sRGB or sYCC / Display P3
+    /// </summary>
+    Iec61966_2_1 = 13,
+
+    /// <summary>
+    /// Rec. ITU-R BT.2020-2 (10-bit system)
+    /// (functionally the same as the values 1, 6 and 15)
+    /// </summary>
+    ItuRBt2020_2_10bit = 14,
+
+    /// <summary>
+    /// Rec. ITU-R BT.2020-2 (12-bit system)
+    /// (functionally the same as the values 1, 6 and 14)
+    /// /// </summary>
+    ItuRBt2020_2_12bit = 15,
+
+    /// <summary>
+    /// SMPTE ST 2084 (2014) for 10-, 12-, 14- and 16-bit systems
+    /// Rec. ITU-R BT.2100-2 perceptual quantization (PQ) system
+    /// </summary>
+    SmpteSt2084 = 16,
+
+    /// <summary>
+    /// SMPTE ST 428-1 (2019)
+    /// </summary>
+    SmpteSt428_1 = 17,
+
+    /// <summary>
+    /// ARIB STD-B67 (2015)
+    /// Rec. ITU-R BT.2100-2 hybrid log-gamma (HLG) system
+    /// </summary>
+    AribStdB67 = 18,
+}
+
+#pragma warning restore CA1707 // Underscores in enum members