1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* GNU AFFERO GENERAL PUBLIC LICENSE
* Version 3, 19 November 2007
* Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
using System;
using Avalonia.Media;
namespace UVtools.WPF.Structures;
[Serializable]
public class Color
{
public byte A;
public byte R;
public byte G;
public byte B;
public Color()
{ }
public Color(byte a, byte r, byte g, byte b)
{
A = a;
R = r;
G = g;
B = b;
}
public Color(Color color)
: this(color.A, color.R, color.G, color.B)
{
}
public Color(Avalonia.Media.Color color)
: this(color.A, color.R, color.G, color.B)
{
}
public Color(SolidColorBrush brush)
: this(brush.Color)
{
}
public System.Drawing.Color ToDotNet()
{
return System.Drawing.Color.FromArgb(A, R, G, B);
}
public Avalonia.Media.Color ToAvalonia()
{
return new Avalonia.Media.Color(A, R, G, B);
}
public bool IsEmpty => ReferenceEquals(this, Empty);
public static Color FromArgb(byte a, byte r, byte g, byte b)
{
return new Color(a, r, g, b);
}
public static Color Empty => new(0,0,0,0);
public Color FactorColor(byte pixelColor, byte min = 0, byte max = byte.MaxValue) =>
FactorColor(pixelColor / 255f, min, max);
public Color FactorColor(float factor, byte min = 0, byte max = byte.MaxValue)
{
byte r = (byte)(R == 0 ? 0 :
Math.Min(Math.Max(min, R * factor), max));
byte g = (byte)(G == 0 ? 0 :
Math.Min(Math.Max(min, G * factor), max));
byte b = (byte)(B == 0 ? 0 :
Math.Min(Math.Max(min, B * factor), max));
return Color.FromArgb(A, r, g, b);
}
/// <summary>
/// Returns the integer representation of the color.
/// </summary>
/// <returns>
/// The integer representation of the color.
/// </returns>
public uint ToUint32()
{
return ((uint)A << 24) | ((uint)R << 16) | ((uint)G << 8) | (uint)B;
}
/// <summary>
/// Check if two colors are equal.
/// </summary>
public bool Equals(Color other)
{
return A == other.A && R == other.R && G == other.G && B == other.B;
}
public override bool Equals(object obj)
{
return obj is Color other && Equals(other);
}
public override int GetHashCode()
{
unchecked
{
int hashCode = A.GetHashCode();
hashCode = (hashCode * 397) ^ R.GetHashCode();
hashCode = (hashCode * 397) ^ G.GetHashCode();
hashCode = (hashCode * 397) ^ B.GetHashCode();
return hashCode;
}
}
public static bool operator ==(Color left, Color right)
{
return left.Equals(right);
}
public static bool operator !=(Color left, Color right)
{
return !left.Equals(right);
}
}
|
