public void Addition()
{
var first = new Matrix5x5(
1, 2, 3, 4, 6,
6, 1, 5, 3, 8,
2, 6, 4, 9, 9,
1, 3, 8, 3, 4,
5, 7, 8, 2, 5
);
var second = new Matrix5x5(
3, 5, 0, 8, 7,
2, 2, 4, 8, 3,
0, 2, 5, 1, 2,
1, 4, 0, 5, 1,
3, 4, 8, 2, 3
);
var result = new Matrix5x5(
4, 7, 3, 12, 13,
8, 3, 9, 11, 11,
2, 8, 9, 10, 11,
2, 7, 8, 8, 5,
8, 11, 16, 4, 8
);
Assert.Equal(result, first + second);
}
public void Multiplication()
{
var first = new Matrix5x5(
1, 2, 3, 4, 6,
6, 1, 5, 3, 8,
2, 6, 4, 9, 9,
1, 3, 8, 3, 4,
5, 7, 8, 2, 5
);
var second = new Matrix5x5(
3, 5, 0, 8, 7,
2, 2, 4, 8, 3,
0, 2, 5, 1, 2,
1, 4, 0, 5, 1,
3, 4, 8, 2, 3
);
var result = new Matrix5x5(
29, 55, 71, 59, 41,
47, 86, 93, 92, 82,
54, 102, 116, 131, 76,
24, 55, 84, 63, 47,
46, 83, 108, 124, 89
);
Assert.Equal(result, first * second);
}
/// <summary>
/// Initializes a new instance of the <see cref="Alpha"/> class.
/// </summary>
/// <param name="value">The angle value (0 to 360).</param>
public Hue(float value)
{
value = value * (float)(Math.PI / 180f);
Value = value;
var cosradians = Math.Cos(value);
var sinradians = Math.Sin(value);
float lumR = .213f;
float lumG = .715f;
float lumB = .072f;
float oneMinusLumR = 1f - lumR;
float oneMinusLumG = 1f - lumG;
float oneMinusLumB = 1f - lumB;
_Matrix = new Matrix5x5
{
M11 = (float)(lumR + (cosradians * oneMinusLumR) - (sinradians * lumR)),
M12 = (float)(lumR - (cosradians * lumR) - (sinradians * 0.143)),
M13 = (float)(lumR - (cosradians * lumR) - (sinradians * oneMinusLumR)),
M21 = (float)(lumG - (cosradians * lumG) - (sinradians * lumG)),
M22 = (float)(lumG + (cosradians * oneMinusLumG) + (sinradians * 0.140)),
M23 = (float)(lumG - (cosradians * lumG) + (sinradians * lumG)),
M31 = (float)(lumB - (cosradians * lumB) + (sinradians * oneMinusLumB)),
M32 = (float)(lumB - (cosradians * lumB) - (sinradians * 0.283)),
M33 = (float)(lumB + (cosradians * oneMinusLumB) + (sinradians * lumB)),
M44 = 1,
M55 = 1
};
}
public void Minus()
{
var first = new Matrix5x5(
1, 2, 3, 4, 6,
6, 1, 5, 3, 8,
2, 6, 4, 9, 9,
1, 3, 8, 3, 4,
5, 7, 8, 2, 5
);
var second = new Matrix5x5(
3, 5, 0, 8, 7,
2, 2, 4, 8, 3,
0, 2, 5, 1, 2,
1, 4, 0, 5, 1,
3, 4, 8, 2, 3
);
var result = new Matrix5x5(
-2, -3, 3, -4, -1,
4, -1, 1, -5, 5,
2, 4, -1, 8, 7,
0, -1, 8, -2, 3,
2, 3, 0, 0, 2
);
Assert.Equal(result, first - second);
}
/// <summary>
/// Initializes a new instance of the <see cref="Brightness"/> class.
/// </summary>
/// <param name="value">The brightness value (-1 to 1).</param>
public Brightness(float value)
{
Value = value;
_Matrix = new Matrix5x5
(
1f, 0f, 0f, 0f, 0f,
0f, 1f, 0f, 0f, 0f,
0f, 0f, 1f, 0f, 0f,
0f, 0f, 0f, 1f, 0f,
value, value, value, 0f, 1f
);
}
public void IsIdentity()
{
var value = new Matrix5x5(
1, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 1, 0,
0, 0, 0, 0, 1
);
Assert.Equal(Matrix5x5.Identity, value);
}
/// <summary>
/// Initializes a new instance of the <see cref="Alpha"/> class.
/// </summary>
/// <param name="value">The alpha value (0 to 1).</param>
public Alpha(float value)
{
Value = value;
_Matrix = new Matrix5x5
(
1f, 0f, 0f, 0f, 0f,
0f, 1f, 0f, 0f, 0f,
0f, 0f, 1f, 0f, 0f,
0f, 0f, 0f, value, 0f,
0f, 0f, 0f, 0f, 1f
);
}
/// <summary>
/// Initializes a new instance of the <see cref="Contrast"/> class.
/// </summary>
/// <param name="value">The Contrast value (0 to 1).</param>
public Contrast(float value)
{
Value = value;
float TempValue = 0.5f * (1f - value);
_Matrix = new Matrix5x5
(
value, 0f, 0f, 0f, 0f,
0f, value, 0f, 0f, 0f,
0f, 0f, value, 0f, 0f,
0f, 0f, 0f, 1f, 0f,
TempValue, TempValue, TempValue, 0f, 1f
);
}
/// <summary>
/// Initializes a new instance of the <see cref="Saturation"/> class.
/// </summary>
/// <param name="value">The saturation value (-1 to 1).</param>
public Saturation(float value)
{
++value;
Value = 1f - value;
float saturationComplementR = 0.3086f * Value;
float saturationComplementG = 0.6094f * Value;
float saturationComplementB = 0.0820f * Value;
_Matrix = new Matrix5x5
(
saturationComplementR + value, saturationComplementR, saturationComplementR, 0f, 0f,
saturationComplementG, saturationComplementG + value, saturationComplementG, 0f, 0f,
saturationComplementB, saturationComplementB, saturationComplementB + value, 0f, 0f,
0f, 0f, 0f, 1f, 0f,
0f, 0f, 0f, 0f, 1f
);
}
public void AreNotEqual()
{
var first = new Matrix5x5(
1, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 1, 0,
0, 0, 0, 0, 1
);
var second = new Matrix5x5(
1, 0, 0, 0, 1,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 1, 0,
0, 0, 0, 0, 1
);
Assert.NotEqual(first, second);
}
public void Negation()
{
var first = new Matrix5x5(
1, 2, 3, 4, 6,
6, 1, 5, 3, 8,
2, 6, 4, 9, 9,
1, 3, 8, 3, 4,
5, 7, 8, 2, 5
);
var result = new Matrix5x5(
-1, -2, -3, -4, -6,
-6, -1, -5, -3, -8,
-2, -6, -4, -9, -9,
-1, -3, -8, -3, -4,
-5, -7, -8, -2, -5
);
Assert.Equal(result, -first);
}
public void MultiplicationFloat()
{
var first = new Matrix5x5(
1, 2, 3, 4, 6,
6, 1, 5, 3, 8,
2, 6, 4, 9, 9,
1, 3, 8, 3, 4,
5, 7, 8, 2, 5
);
float value = 2;
var result = new Matrix5x5(
2, 4, 6, 8, 12,
12, 2, 10, 6, 16,
4, 12, 8, 18, 18,
2, 6, 16, 6, 8,
10, 14, 16, 4, 10
);
Assert.Equal(result, first * value);
}
public void ConstructorAssignsProperties()
{
var value = new Matrix5x5(
1, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 1, 0,
0, 0, 0, 0, 1
);
Assert.Equal(1, value.M11);
Assert.Equal(1, value.M22);
Assert.Equal(1, value.M33);
Assert.Equal(1, value.M44);
Assert.Equal(1, value.M55);
Assert.Equal(0, value.M12);
Assert.Equal(0, value.M13);
Assert.Equal(0, value.M14);
Assert.Equal(0, value.M15);
Assert.Equal(0, value.M21);
Assert.Equal(0, value.M23);
Assert.Equal(0, value.M24);
Assert.Equal(0, value.M25);
Assert.Equal(0, value.M31);
Assert.Equal(0, value.M32);
Assert.Equal(0, value.M34);
Assert.Equal(0, value.M35);
Assert.Equal(0, value.M41);
Assert.Equal(0, value.M42);
Assert.Equal(0, value.M43);
Assert.Equal(0, value.M45);
Assert.Equal(0, value.M51);
Assert.Equal(0, value.M52);
Assert.Equal(0, value.M53);
Assert.Equal(0, value.M54);
}
/// <summary>
/// Initializes a new instance of the <see cref="ColorMatrix"/> class.
/// </summary>
/// <param name="matrix">The matrix.</param>
public ColorMatrix(Matrix5x5 matrix)
{
_Matrix = matrix;
}
