mirror of https://github.com/SixLabors/ImageSharp
James Jackson-South
7 years ago
63 changed files with 2238 additions and 441 deletions
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namespace SixLabors.ImageSharp.Formats.Bmp |
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{ |
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/// <summary>
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/// Enum value for the different bitmap info header types. The enum value is the number of bytes for the specific bitmap header.
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/// </summary>
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public enum BmpInfoHeaderType |
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{ |
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/// <summary>
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/// Bitmap Core or BMP Version 2 header (Microsoft Windows 2.x).
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/// </summary>
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WinVersion2 = 12, |
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/// <summary>
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/// Short variant of the OS/2 Version 2 bitmap header.
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/// </summary>
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Os2Version2Short = 16, |
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/// <summary>
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/// BMP Version 3 header (Microsoft Windows 3.x or Microsoft Windows NT).
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/// </summary>
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WinVersion3 = 40, |
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/// <summary>
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/// Adobe variant of the BMP Version 3 header.
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/// </summary>
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AdobeVersion3 = 52, |
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/// <summary>
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/// Adobe variant of the BMP Version 3 header with an alpha mask.
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/// </summary>
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AdobeVersion3WithAlpha = 56, |
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/// <summary>
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/// BMP Version 2.x header (IBM OS/2 2.x).
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/// </summary>
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Os2Version2 = 64, |
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/// <summary>
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/// BMP Version 4 header (Microsoft Windows 95).
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/// </summary>
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WinVersion4 = 108, |
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/// <summary>
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/// BMP Version 5 header (Windows NT 5.0, 98 or later).
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/// </summary>
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WinVersion5 = 124, |
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} |
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} |
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@ -0,0 +1,459 @@ |
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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#pragma warning disable SA1117 // Parameters should be on same line or separate lines
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using System; |
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using System.Globalization; |
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using System.Runtime.InteropServices; |
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namespace SixLabors.ImageSharp.Primitives |
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{ |
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/// <summary>
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/// A structure encapsulating a 5x4 matrix used for transforming the color and alpha components of an image.
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/// </summary>
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[StructLayout(LayoutKind.Sequential)] |
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public struct ColorMatrix : IEquatable<ColorMatrix> |
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{ |
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/// <summary>
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/// Value at row 1, column 1 of the matrix.
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/// </summary>
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public float M11; |
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/// <summary>
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/// Value at row 1, column 2 of the matrix.
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/// </summary>
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public float M12; |
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/// <summary>
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/// Value at row 1, column 3 of the matrix.
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/// </summary>
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public float M13; |
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/// <summary>
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/// Value at row 1, column 4 of the matrix.
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/// </summary>
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public float M14; |
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/// <summary>
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/// Value at row 2, column 1 of the matrix.
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/// </summary>
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public float M21; |
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/// <summary>
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/// Value at row 2, column 2 of the matrix.
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/// </summary>
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public float M22; |
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/// <summary>
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/// Value at row 2, column 3 of the matrix.
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/// </summary>
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public float M23; |
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/// <summary>
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/// Value at row 2, column 4 of the matrix.
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/// </summary>
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public float M24; |
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/// <summary>
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/// Value at row 3, column 1 of the matrix.
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/// </summary>
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public float M31; |
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/// <summary>
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/// Value at row 3, column 2 of the matrix.
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/// </summary>
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public float M32; |
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/// <summary>
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/// Value at row 3, column 3 of the matrix.
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/// </summary>
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public float M33; |
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/// <summary>
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/// Value at row 3, column 4 of the matrix.
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/// </summary>
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public float M34; |
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/// <summary>
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/// Value at row 4, column 1 of the matrix.
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/// </summary>
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public float M41; |
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/// <summary>
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/// Value at row 4, column 2 of the matrix.
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/// </summary>
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public float M42; |
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/// <summary>
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/// Value at row 4, column 3 of the matrix.
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/// </summary>
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public float M43; |
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/// <summary>
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/// Value at row 4, column 4 of the matrix.
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/// </summary>
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public float M44; |
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/// <summary>
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/// Value at row 5, column 1 of the matrix.
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/// </summary>
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public float M51; |
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/// <summary>
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/// Value at row 5, column 2 of the matrix.
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/// </summary>
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public float M52; |
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/// <summary>
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/// Value at row 5, column 3 of the matrix.
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/// </summary>
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public float M53; |
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/// <summary>
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/// Value at row 5, column 4 of the matrix.
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/// </summary>
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public float M54; |
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/// <summary>
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/// Initializes a new instance of the <see cref="ColorMatrix"/> struct.
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/// </summary>
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/// <param name="m11">The value at row 1, column 1 of the matrix.</param>
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/// <param name="m12">The value at row 1, column 2 of the matrix.</param>
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/// <param name="m13">The value at row 1, column 3 of the matrix.</param>
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/// <param name="m14">The value at row 1, column 4 of the matrix.</param>
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/// <param name="m21">The value at row 2, column 1 of the matrix.</param>
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/// <param name="m22">The value at row 2, column 2 of the matrix.</param>
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/// <param name="m23">The value at row 2, column 3 of the matrix.</param>
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/// <param name="m24">The value at row 2, column 4 of the matrix.</param>
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/// <param name="m31">The value at row 3, column 1 of the matrix.</param>
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/// <param name="m32">The value at row 3, column 2 of the matrix.</param>
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/// <param name="m33">The value at row 3, column 3 of the matrix.</param>
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/// <param name="m34">The value at row 3, column 4 of the matrix.</param>
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/// <param name="m41">The value at row 4, column 1 of the matrix.</param>
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/// <param name="m42">The value at row 4, column 2 of the matrix.</param>
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/// <param name="m43">The value at row 4, column 3 of the matrix.</param>
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/// <param name="m44">The value at row 4, column 4 of the matrix.</param>
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/// <param name="m51">The value at row 5, column 1 of the matrix.</param>
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/// <param name="m52">The value at row 5, column 2 of the matrix.</param>
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/// <param name="m53">The value at row 5, column 3 of the matrix.</param>
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/// <param name="m54">The value at row 5, column 4 of the matrix.</param>
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public ColorMatrix(float m11, float m12, float m13, float m14, |
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float m21, float m22, float m23, float m24, |
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float m31, float m32, float m33, float m34, |
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float m41, float m42, float m43, float m44, |
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float m51, float m52, float m53, float m54) |
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{ |
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this.M11 = m11; |
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this.M12 = m12; |
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this.M13 = m13; |
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this.M14 = m14; |
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this.M21 = m21; |
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this.M22 = m22; |
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this.M23 = m23; |
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this.M24 = m24; |
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this.M31 = m31; |
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this.M32 = m32; |
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this.M33 = m33; |
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this.M34 = m34; |
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this.M41 = m41; |
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this.M42 = m42; |
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this.M43 = m43; |
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this.M44 = m44; |
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this.M51 = m51; |
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this.M52 = m52; |
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this.M53 = m53; |
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this.M54 = m54; |
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} |
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/// <summary>
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/// Gets the multiplicative identity matrix.
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/// </summary>
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public static ColorMatrix Identity { get; } = |
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new ColorMatrix(1F, 0F, 0F, 0F, |
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0F, 1F, 0F, 0F, |
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0F, 0F, 1F, 0F, |
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0F, 0F, 0F, 1F, |
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0F, 0F, 0F, 0F); |
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/// <summary>
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/// Gets a value indicating whether the matrix is the identity matrix.
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/// </summary>
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public bool IsIdentity |
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{ |
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get |
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{ |
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// Check diagonal element first for early out.
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return this.M11 == 1F && this.M22 == 1F && this.M33 == 1F && this.M44 == 1F |
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&& this.M12 == 0F && this.M13 == 0F && this.M14 == 0F |
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&& this.M21 == 0F && this.M23 == 0F && this.M24 == 0F |
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&& this.M31 == 0F && this.M32 == 0F && this.M34 == 0F |
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&& this.M41 == 0F && this.M42 == 0F && this.M43 == 0F |
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&& this.M51 == 0F && this.M52 == 0F && this.M53 == 0F && this.M54 == 0F; |
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} |
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} |
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/// <summary>
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/// Adds two matrices together.
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/// </summary>
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/// <param name="value1">The first source matrix.</param>
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/// <param name="value2">The second source matrix.</param>
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/// <returns>The resulting matrix.</returns>
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public static ColorMatrix operator +(ColorMatrix value1, ColorMatrix value2) |
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{ |
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ColorMatrix m; |
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m.M11 = value1.M11 + value2.M11; |
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m.M12 = value1.M12 + value2.M12; |
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m.M13 = value1.M13 + value2.M13; |
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m.M14 = value1.M14 + value2.M14; |
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m.M21 = value1.M21 + value2.M21; |
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m.M22 = value1.M22 + value2.M22; |
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m.M23 = value1.M23 + value2.M23; |
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m.M24 = value1.M24 + value2.M24; |
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m.M31 = value1.M31 + value2.M31; |
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m.M32 = value1.M32 + value2.M32; |
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m.M33 = value1.M33 + value2.M33; |
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m.M34 = value1.M34 + value2.M34; |
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m.M41 = value1.M41 + value2.M41; |
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m.M42 = value1.M42 + value2.M42; |
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m.M43 = value1.M43 + value2.M43; |
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m.M44 = value1.M44 + value2.M44; |
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m.M51 = value1.M51 + value2.M51; |
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m.M52 = value1.M52 + value2.M52; |
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m.M53 = value1.M53 + value2.M53; |
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m.M54 = value1.M54 + value2.M54; |
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return m; |
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} |
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/// <summary>
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/// Subtracts the second matrix from the first.
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/// </summary>
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/// <param name="value1">The first source matrix.</param>
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/// <param name="value2">The second source matrix.</param>
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/// <returns>The result of the subtraction.</returns>
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public static ColorMatrix operator -(ColorMatrix value1, ColorMatrix value2) |
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{ |
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ColorMatrix m; |
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m.M11 = value1.M11 - value2.M11; |
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m.M12 = value1.M12 - value2.M12; |
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m.M13 = value1.M13 - value2.M13; |
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m.M14 = value1.M14 - value2.M14; |
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m.M21 = value1.M21 - value2.M21; |
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m.M22 = value1.M22 - value2.M22; |
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m.M23 = value1.M23 - value2.M23; |
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m.M24 = value1.M24 - value2.M24; |
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m.M31 = value1.M31 - value2.M31; |
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m.M32 = value1.M32 - value2.M32; |
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m.M33 = value1.M33 - value2.M33; |
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m.M34 = value1.M34 - value2.M34; |
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m.M41 = value1.M41 - value2.M41; |
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m.M42 = value1.M42 - value2.M42; |
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m.M43 = value1.M43 - value2.M43; |
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m.M44 = value1.M44 - value2.M44; |
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m.M51 = value1.M51 - value2.M51; |
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m.M52 = value1.M52 - value2.M52; |
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m.M53 = value1.M53 - value2.M53; |
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m.M54 = value1.M54 - value2.M54; |
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return m; |
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} |
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/// <summary>
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/// Returns a new matrix with the negated elements of the given matrix.
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/// </summary>
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/// <param name="value">The source matrix.</param>
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/// <returns>The negated matrix.</returns>
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public static unsafe ColorMatrix operator -(ColorMatrix value) |
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{ |
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ColorMatrix m; |
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m.M11 = -value.M11; |
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m.M12 = -value.M12; |
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m.M13 = -value.M13; |
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m.M14 = -value.M14; |
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m.M21 = -value.M21; |
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m.M22 = -value.M22; |
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m.M23 = -value.M23; |
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m.M24 = -value.M24; |
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m.M31 = -value.M31; |
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m.M32 = -value.M32; |
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m.M33 = -value.M33; |
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m.M34 = -value.M34; |
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m.M41 = -value.M41; |
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m.M42 = -value.M42; |
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m.M43 = -value.M43; |
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m.M44 = -value.M44; |
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m.M51 = -value.M51; |
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m.M52 = -value.M52; |
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m.M53 = -value.M53; |
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m.M54 = -value.M54; |
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return m; |
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} |
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/// <summary>
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/// Multiplies a matrix by another matrix.
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/// </summary>
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/// <param name="value1">The first source matrix.</param>
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/// <param name="value2">The second source matrix.</param>
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/// <returns>The result of the multiplication.</returns>
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public static ColorMatrix operator *(ColorMatrix value1, ColorMatrix value2) |
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{ |
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ColorMatrix m; |
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// First row
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m.M11 = (value1.M11 * value2.M11) + (value1.M12 * value2.M21) + (value1.M13 * value2.M31) + (value1.M14 * value2.M41); |
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m.M12 = (value1.M11 * value2.M12) + (value1.M12 * value2.M22) + (value1.M13 * value2.M32) + (value1.M14 * value2.M42); |
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m.M13 = (value1.M11 * value2.M13) + (value1.M12 * value2.M23) + (value1.M13 * value2.M33) + (value1.M14 * value2.M43); |
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m.M14 = (value1.M11 * value2.M14) + (value1.M12 * value2.M24) + (value1.M13 * value2.M34) + (value1.M14 * value2.M44); |
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// Second row
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m.M21 = (value1.M21 * value2.M11) + (value1.M22 * value2.M21) + (value1.M23 * value2.M31) + (value1.M24 * value2.M41); |
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m.M22 = (value1.M21 * value2.M12) + (value1.M22 * value2.M22) + (value1.M23 * value2.M32) + (value1.M24 * value2.M42); |
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m.M23 = (value1.M21 * value2.M13) + (value1.M22 * value2.M23) + (value1.M23 * value2.M33) + (value1.M24 * value2.M43); |
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m.M24 = (value1.M21 * value2.M14) + (value1.M22 * value2.M24) + (value1.M23 * value2.M34) + (value1.M24 * value2.M44); |
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// Third row
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m.M31 = (value1.M31 * value2.M11) + (value1.M32 * value2.M21) + (value1.M33 * value2.M31) + (value1.M34 * value2.M41); |
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m.M32 = (value1.M31 * value2.M12) + (value1.M32 * value2.M22) + (value1.M33 * value2.M32) + (value1.M34 * value2.M42); |
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m.M33 = (value1.M31 * value2.M13) + (value1.M32 * value2.M23) + (value1.M33 * value2.M33) + (value1.M34 * value2.M43); |
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m.M34 = (value1.M31 * value2.M14) + (value1.M32 * value2.M24) + (value1.M33 * value2.M34) + (value1.M34 * value2.M44); |
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// Fourth row
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m.M41 = (value1.M41 * value2.M11) + (value1.M42 * value2.M21) + (value1.M43 * value2.M31) + (value1.M44 * value2.M41); |
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m.M42 = (value1.M41 * value2.M12) + (value1.M42 * value2.M22) + (value1.M43 * value2.M32) + (value1.M44 * value2.M42); |
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m.M43 = (value1.M41 * value2.M13) + (value1.M42 * value2.M23) + (value1.M43 * value2.M33) + (value1.M44 * value2.M43); |
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m.M44 = (value1.M41 * value2.M14) + (value1.M42 * value2.M24) + (value1.M43 * value2.M34) + (value1.M44 * value2.M44); |
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// Fifth row
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m.M51 = (value1.M51 * value2.M11) + (value1.M52 * value2.M21) + (value1.M53 * value2.M31) + (value1.M54 * value2.M41) + value2.M51; |
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m.M52 = (value1.M51 * value2.M12) + (value1.M52 * value2.M22) + (value1.M53 * value2.M32) + (value1.M54 * value2.M52) + value2.M52; |
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m.M53 = (value1.M51 * value2.M13) + (value1.M52 * value2.M23) + (value1.M53 * value2.M33) + (value1.M54 * value2.M53) + value2.M53; |
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m.M54 = (value1.M51 * value2.M14) + (value1.M52 * value2.M24) + (value1.M53 * value2.M34) + (value1.M54 * value2.M54) + value2.M54; |
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return m; |
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} |
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/// <summary>
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/// Multiplies a matrix by a scalar value.
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/// </summary>
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/// <param name="value1">The source matrix.</param>
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/// <param name="value2">The scaling factor.</param>
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/// <returns>The scaled matrix.</returns>
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public static ColorMatrix operator *(ColorMatrix value1, float value2) |
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{ |
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ColorMatrix m; |
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m.M11 = value1.M11 * value2; |
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m.M12 = value1.M12 * value2; |
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m.M13 = value1.M13 * value2; |
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m.M14 = value1.M14 * value2; |
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m.M21 = value1.M21 * value2; |
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m.M22 = value1.M22 * value2; |
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m.M23 = value1.M23 * value2; |
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m.M24 = value1.M24 * value2; |
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m.M31 = value1.M31 * value2; |
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m.M32 = value1.M32 * value2; |
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m.M33 = value1.M33 * value2; |
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m.M34 = value1.M34 * value2; |
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m.M41 = value1.M41 * value2; |
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m.M42 = value1.M42 * value2; |
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m.M43 = value1.M43 * value2; |
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m.M44 = value1.M44 * value2; |
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m.M51 = value1.M51 * value2; |
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m.M52 = value1.M52 * value2; |
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m.M53 = value1.M53 * value2; |
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m.M54 = value1.M54 * value2; |
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return m; |
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} |
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/// <summary>
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/// Returns a boolean indicating whether the given two matrices are equal.
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/// </summary>
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/// <param name="value1">The first matrix to compare.</param>
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/// <param name="value2">The second matrix to compare.</param>
|
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/// <returns>True if the given matrices are equal; False otherwise.</returns>
|
|||
public static bool operator ==(ColorMatrix value1, ColorMatrix value2) => value1.Equals(value2); |
|||
|
|||
/// <summary>
|
|||
/// Returns a boolean indicating whether the given two matrices are not equal.
|
|||
/// </summary>
|
|||
/// <param name="value1">The first matrix to compare.</param>
|
|||
/// <param name="value2">The second matrix to compare.</param>
|
|||
/// <returns>True if the given matrices are equal; False otherwise.</returns>
|
|||
public static bool operator !=(ColorMatrix value1, ColorMatrix value2) => !value1.Equals(value2); |
|||
|
|||
/// <inheritdoc/>
|
|||
public override bool Equals(object obj) => obj is ColorMatrix matrix && this.Equals(matrix); |
|||
|
|||
/// <inheritdoc/>
|
|||
public bool Equals(ColorMatrix other) => |
|||
this.M11 == other.M11 |
|||
&& this.M12 == other.M12 |
|||
&& this.M13 == other.M13 |
|||
&& this.M14 == other.M14 |
|||
&& this.M21 == other.M21 |
|||
&& this.M22 == other.M22 |
|||
&& this.M23 == other.M23 |
|||
&& this.M24 == other.M24 |
|||
&& this.M31 == other.M31 |
|||
&& this.M32 == other.M32 |
|||
&& this.M33 == other.M33 |
|||
&& this.M34 == other.M34 |
|||
&& this.M41 == other.M41 |
|||
&& this.M42 == other.M42 |
|||
&& this.M43 == other.M43 |
|||
&& this.M44 == other.M44 |
|||
&& this.M51 == other.M51 |
|||
&& this.M52 == other.M52 |
|||
&& this.M53 == other.M53 |
|||
&& this.M54 == other.M54; |
|||
|
|||
/// <inheritdoc/>
|
|||
public override int GetHashCode() |
|||
{ |
|||
HashCode hash = default; |
|||
hash.Add(this.M11); |
|||
hash.Add(this.M12); |
|||
hash.Add(this.M13); |
|||
hash.Add(this.M14); |
|||
hash.Add(this.M21); |
|||
hash.Add(this.M22); |
|||
hash.Add(this.M23); |
|||
hash.Add(this.M24); |
|||
hash.Add(this.M31); |
|||
hash.Add(this.M32); |
|||
hash.Add(this.M33); |
|||
hash.Add(this.M34); |
|||
hash.Add(this.M41); |
|||
hash.Add(this.M42); |
|||
hash.Add(this.M43); |
|||
hash.Add(this.M44); |
|||
hash.Add(this.M51); |
|||
hash.Add(this.M52); |
|||
hash.Add(this.M53); |
|||
hash.Add(this.M54); |
|||
return hash.ToHashCode(); |
|||
} |
|||
|
|||
/// <inheritdoc/>
|
|||
public override string ToString() |
|||
{ |
|||
CultureInfo ci = CultureInfo.CurrentCulture; |
|||
|
|||
return string.Format(ci, "{{ {{M11:{0} M12:{1} M13:{2} M14:{3}}} {{M21:{4} M22:{5} M23:{6} M24:{7}}} {{M31:{8} M32:{9} M33:{10} M34:{11}}} {{M41:{12} M42:{13} M43:{14} M44:{15}}} {{M51:{16} M52:{17} M53:{18} M54:{19}}} }}", |
|||
this.M11.ToString(ci), this.M12.ToString(ci), this.M13.ToString(ci), this.M14.ToString(ci), |
|||
this.M21.ToString(ci), this.M22.ToString(ci), this.M23.ToString(ci), this.M24.ToString(ci), |
|||
this.M31.ToString(ci), this.M32.ToString(ci), this.M33.ToString(ci), this.M34.ToString(ci), |
|||
this.M41.ToString(ci), this.M42.ToString(ci), this.M43.ToString(ci), this.M44.ToString(ci), |
|||
this.M51.ToString(ci), this.M52.ToString(ci), this.M53.ToString(ci), this.M54.ToString(ci)); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,270 @@ |
|||
using System; |
|||
using System.Globalization; |
|||
using SixLabors.ImageSharp.Primitives; |
|||
using SixLabors.ImageSharp.Processing; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.Primitives |
|||
{ |
|||
public class ColorMatrixTests |
|||
{ |
|||
private readonly ApproximateFloatComparer ApproximateFloatComparer = new ApproximateFloatComparer(1e-6f); |
|||
|
|||
[Fact] |
|||
public void ColorMatrixIdentityIsCorrect() |
|||
{ |
|||
ColorMatrix val = default; |
|||
val.M11 = val.M22 = val.M33 = val.M44 = 1F; |
|||
|
|||
Assert.Equal(val, ColorMatrix.Identity, this.ApproximateFloatComparer); |
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixCanDetectIdentity() |
|||
{ |
|||
ColorMatrix m = ColorMatrix.Identity; |
|||
Assert.True(m.IsIdentity); |
|||
|
|||
m.M12 = 1F; |
|||
Assert.False(m.IsIdentity); |
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixEquality() |
|||
{ |
|||
ColorMatrix m = KnownFilterMatrices.CreateHueFilter(45F); |
|||
ColorMatrix m2 = KnownFilterMatrices.CreateHueFilter(45F); |
|||
object obj = m2; |
|||
|
|||
Assert.True(m.Equals(obj)); |
|||
Assert.True(m.Equals(m2)); |
|||
Assert.True(m == m2); |
|||
Assert.False(m != m2); |
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixMultiply() |
|||
{ |
|||
ColorMatrix value1 = this.CreateAllTwos(); |
|||
ColorMatrix value2 = this.CreateAllThrees(); |
|||
|
|||
ColorMatrix m; |
|||
|
|||
// First row
|
|||
m.M11 = (value1.M11 * value2.M11) + (value1.M12 * value2.M21) + (value1.M13 * value2.M31) + (value1.M14 * value2.M41); |
|||
m.M12 = (value1.M11 * value2.M12) + (value1.M12 * value2.M22) + (value1.M13 * value2.M32) + (value1.M14 * value2.M42); |
|||
m.M13 = (value1.M11 * value2.M13) + (value1.M12 * value2.M23) + (value1.M13 * value2.M33) + (value1.M14 * value2.M43); |
|||
m.M14 = (value1.M11 * value2.M14) + (value1.M12 * value2.M24) + (value1.M13 * value2.M34) + (value1.M14 * value2.M44); |
|||
|
|||
// Second row
|
|||
m.M21 = (value1.M21 * value2.M11) + (value1.M22 * value2.M21) + (value1.M23 * value2.M31) + (value1.M24 * value2.M41); |
|||
m.M22 = (value1.M21 * value2.M12) + (value1.M22 * value2.M22) + (value1.M23 * value2.M32) + (value1.M24 * value2.M42); |
|||
m.M23 = (value1.M21 * value2.M13) + (value1.M22 * value2.M23) + (value1.M23 * value2.M33) + (value1.M24 * value2.M43); |
|||
m.M24 = (value1.M21 * value2.M14) + (value1.M22 * value2.M24) + (value1.M23 * value2.M34) + (value1.M24 * value2.M44); |
|||
|
|||
// Third row
|
|||
m.M31 = (value1.M31 * value2.M11) + (value1.M32 * value2.M21) + (value1.M33 * value2.M31) + (value1.M34 * value2.M41); |
|||
m.M32 = (value1.M31 * value2.M12) + (value1.M32 * value2.M22) + (value1.M33 * value2.M32) + (value1.M34 * value2.M42); |
|||
m.M33 = (value1.M31 * value2.M13) + (value1.M32 * value2.M23) + (value1.M33 * value2.M33) + (value1.M34 * value2.M43); |
|||
m.M34 = (value1.M31 * value2.M14) + (value1.M32 * value2.M24) + (value1.M33 * value2.M34) + (value1.M34 * value2.M44); |
|||
|
|||
// Fourth row
|
|||
m.M41 = (value1.M41 * value2.M11) + (value1.M42 * value2.M21) + (value1.M43 * value2.M31) + (value1.M44 * value2.M41); |
|||
m.M42 = (value1.M41 * value2.M12) + (value1.M42 * value2.M22) + (value1.M43 * value2.M32) + (value1.M44 * value2.M42); |
|||
m.M43 = (value1.M41 * value2.M13) + (value1.M42 * value2.M23) + (value1.M43 * value2.M33) + (value1.M44 * value2.M43); |
|||
m.M44 = (value1.M41 * value2.M14) + (value1.M42 * value2.M24) + (value1.M43 * value2.M34) + (value1.M44 * value2.M44); |
|||
|
|||
// Fifth row
|
|||
m.M51 = (value1.M51 * value2.M11) + (value1.M52 * value2.M21) + (value1.M53 * value2.M31) + (value1.M54 * value2.M41) + value2.M51; |
|||
m.M52 = (value1.M51 * value2.M12) + (value1.M52 * value2.M22) + (value1.M53 * value2.M32) + (value1.M54 * value2.M52) + value2.M52; |
|||
m.M53 = (value1.M51 * value2.M13) + (value1.M52 * value2.M23) + (value1.M53 * value2.M33) + (value1.M54 * value2.M53) + value2.M53; |
|||
m.M54 = (value1.M51 * value2.M14) + (value1.M52 * value2.M24) + (value1.M53 * value2.M34) + (value1.M54 * value2.M54) + value2.M54; |
|||
|
|||
Assert.Equal(m, value1 * value2, this.ApproximateFloatComparer); |
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixMultiplyScalar() |
|||
{ |
|||
ColorMatrix m = this.CreateAllTwos(); |
|||
Assert.Equal(this.CreateAllFours(), m * 2, this.ApproximateFloatComparer); |
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixSubtract() |
|||
{ |
|||
ColorMatrix m = this.CreateAllOnes() + this.CreateAllTwos(); |
|||
Assert.Equal(this.CreateAllThrees(), m); |
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixNegate() |
|||
{ |
|||
ColorMatrix m = this.CreateAllOnes() * -1F; |
|||
Assert.Equal(m, -this.CreateAllOnes()); |
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixAdd() |
|||
{ |
|||
ColorMatrix m = this.CreateAllOnes() + this.CreateAllTwos(); |
|||
Assert.Equal(this.CreateAllThrees(), m); |
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixHashCode() |
|||
{ |
|||
#if NETCOREAPP2_1
|
|||
ColorMatrix m = KnownFilterMatrices.CreateBrightnessFilter(.5F); |
|||
HashCode hash = default; |
|||
hash.Add(m.M11); |
|||
hash.Add(m.M12); |
|||
hash.Add(m.M13); |
|||
hash.Add(m.M14); |
|||
hash.Add(m.M21); |
|||
hash.Add(m.M22); |
|||
hash.Add(m.M23); |
|||
hash.Add(m.M24); |
|||
hash.Add(m.M31); |
|||
hash.Add(m.M32); |
|||
hash.Add(m.M33); |
|||
hash.Add(m.M34); |
|||
hash.Add(m.M41); |
|||
hash.Add(m.M42); |
|||
hash.Add(m.M43); |
|||
hash.Add(m.M44); |
|||
hash.Add(m.M51); |
|||
hash.Add(m.M52); |
|||
hash.Add(m.M53); |
|||
hash.Add(m.M54); |
|||
|
|||
Assert.Equal(hash.ToHashCode(), m.GetHashCode()); |
|||
#endif
|
|||
} |
|||
|
|||
[Fact] |
|||
public void ColorMatrixToString() |
|||
{ |
|||
ColorMatrix m = KnownFilterMatrices.CreateBrightnessFilter(.5F); |
|||
|
|||
CultureInfo ci = CultureInfo.CurrentCulture; |
|||
|
|||
string expected = string.Format(ci, "{{ {{M11:{0} M12:{1} M13:{2} M14:{3}}} {{M21:{4} M22:{5} M23:{6} M24:{7}}} {{M31:{8} M32:{9} M33:{10} M34:{11}}} {{M41:{12} M42:{13} M43:{14} M44:{15}}} {{M51:{16} M52:{17} M53:{18} M54:{19}}} }}", |
|||
m.M11.ToString(ci), m.M12.ToString(ci), m.M13.ToString(ci), m.M14.ToString(ci), |
|||
m.M21.ToString(ci), m.M22.ToString(ci), m.M23.ToString(ci), m.M24.ToString(ci), |
|||
m.M31.ToString(ci), m.M32.ToString(ci), m.M33.ToString(ci), m.M34.ToString(ci), |
|||
m.M41.ToString(ci), m.M42.ToString(ci), m.M43.ToString(ci), m.M44.ToString(ci), |
|||
m.M51.ToString(ci), m.M52.ToString(ci), m.M53.ToString(ci), m.M54.ToString(ci)); |
|||
|
|||
Assert.Equal(expected, m.ToString()); |
|||
} |
|||
|
|||
private ColorMatrix CreateAllOnes() |
|||
{ |
|||
return new ColorMatrix |
|||
{ |
|||
M11 = 1F, |
|||
M12 = 1F, |
|||
M13 = 1F, |
|||
M14 = 1F, |
|||
M21 = 1F, |
|||
M22 = 1F, |
|||
M23 = 1F, |
|||
M24 = 1F, |
|||
M31 = 1F, |
|||
M32 = 1F, |
|||
M33 = 1F, |
|||
M34 = 1F, |
|||
M41 = 1F, |
|||
M42 = 1F, |
|||
M43 = 1F, |
|||
M44 = 1F, |
|||
M51 = 1F, |
|||
M52 = 1F, |
|||
M53 = 1F, |
|||
M54 = 1F |
|||
}; |
|||
} |
|||
|
|||
private ColorMatrix CreateAllTwos() |
|||
{ |
|||
return new ColorMatrix |
|||
{ |
|||
M11 = 2F, |
|||
M12 = 2F, |
|||
M13 = 2F, |
|||
M14 = 2F, |
|||
M21 = 2F, |
|||
M22 = 2F, |
|||
M23 = 2F, |
|||
M24 = 2F, |
|||
M31 = 2F, |
|||
M32 = 2F, |
|||
M33 = 2F, |
|||
M34 = 2F, |
|||
M41 = 2F, |
|||
M42 = 2F, |
|||
M43 = 2F, |
|||
M44 = 2F, |
|||
M51 = 2F, |
|||
M52 = 2F, |
|||
M53 = 2F, |
|||
M54 = 2F |
|||
}; |
|||
} |
|||
|
|||
private ColorMatrix CreateAllThrees() |
|||
{ |
|||
return new ColorMatrix |
|||
{ |
|||
M11 = 3F, |
|||
M12 = 3F, |
|||
M13 = 3F, |
|||
M14 = 3F, |
|||
M21 = 3F, |
|||
M22 = 3F, |
|||
M23 = 3F, |
|||
M24 = 3F, |
|||
M31 = 3F, |
|||
M32 = 3F, |
|||
M33 = 3F, |
|||
M34 = 3F, |
|||
M41 = 3F, |
|||
M42 = 3F, |
|||
M43 = 3F, |
|||
M44 = 3F, |
|||
M51 = 3F, |
|||
M52 = 3F, |
|||
M53 = 3F, |
|||
M54 = 3F |
|||
}; |
|||
} |
|||
|
|||
private ColorMatrix CreateAllFours() |
|||
{ |
|||
return new ColorMatrix |
|||
{ |
|||
M11 = 4F, |
|||
M12 = 4F, |
|||
M13 = 4F, |
|||
M14 = 4F, |
|||
M21 = 4F, |
|||
M22 = 4F, |
|||
M23 = 4F, |
|||
M24 = 4F, |
|||
M31 = 4F, |
|||
M32 = 4F, |
|||
M33 = 4F, |
|||
M34 = 4F, |
|||
M41 = 4F, |
|||
M42 = 4F, |
|||
M43 = 4F, |
|||
M44 = 4F, |
|||
M51 = 4F, |
|||
M52 = 4F, |
|||
M53 = 4F, |
|||
M54 = 4F |
|||
}; |
|||
} |
|||
} |
|||
} |
|||
|
After Width: | Height: | Size: 1.3 MiB |
|
After Width: | Height: | Size: 3.7 KiB |
|
After Width: | Height: | Size: 9.1 KiB |
|
After Width: | Height: | Size: 9.1 KiB |
|
After Width: | Height: | Size: 16 KiB |
|
After Width: | Height: | Size: 17 KiB |
|
After Width: | Height: | Size: 16 KiB |
|
After Width: | Height: | Size: 24 KiB |
|
After Width: | Height: | Size: 32 KiB |
|
After Width: | Height: | Size: 32 KiB |
|
After Width: | Height: | Size: 32 KiB |
|
After Width: | Height: | Size: 32 KiB |
|
After Width: | Height: | Size: 32 KiB |
|
After Width: | Height: | Size: 12 KiB |
|
After Width: | Height: | Size: 381 B |
|
After Width: | Height: | Size: 381 B |
Loading…
Reference in new issue