blob: 7ad705970d2868aabb29e9fdc761ea17920d4195 (
plain)
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
|
using System;
namespace Colourful.Conversion
{
public partial class ColourfulConverter
{
/// <summary>
/// Performs chromatic adaptation of given XYZ color.
/// Target white point is <see cref="WhitePoint" />.
/// </summary>
public XYZColor Adapt(in XYZColor color, in XYZColor sourceWhitePoint)
{
if (!IsChromaticAdaptationPerformed)
throw new InvalidOperationException("Cannot perform chromatic adaptation, provide chromatic adaptation method and white point.");
var result = ChromaticAdaptation.Transform(color, sourceWhitePoint, WhitePoint);
return result;
}
/// <summary>
/// Adapts linear RGB color from the source working space to working space set in <see cref="TargetRGBWorkingSpace" />.
/// </summary>
public LinearRGBColor Adapt(in LinearRGBColor color)
{
if (!IsChromaticAdaptationPerformed)
throw new InvalidOperationException("Cannot perform chromatic adaptation, provide chromatic adaptation method and white point.");
if (color.WorkingSpace.Equals(TargetRGBWorkingSpace))
return color;
// conversion to XYZ
var converterToXYZ = GetLinearRGBToXYZConverter(color.WorkingSpace);
var unadapted = converterToXYZ.Convert(color);
// adaptation
var adapted = ChromaticAdaptation.Transform(unadapted, color.WorkingSpace.WhitePoint, TargetRGBWorkingSpace.WhitePoint);
// conversion back to RGB
var converterToRGB = GetXYZToLinearRGBConverter(TargetRGBWorkingSpace);
var result = converterToRGB.Convert(adapted);
return result;
}
/// <summary>
/// Adapts RGB color from the source working space to working space set in <see cref="TargetRGBWorkingSpace" />.
/// </summary>
public RGBColor Adapt(in RGBColor color)
{
var linearInput = ToLinearRGB(color);
var linearOutput = Adapt(linearInput);
var compandedOutput = ToRGB(linearOutput);
return compandedOutput;
}
/// <summary>
/// Adapts Lab color from the source white point to white point set in <see cref="TargetLabWhitePoint" />.
/// </summary>
public LabColor Adapt(in LabColor color)
{
if (!IsChromaticAdaptationPerformed)
throw new InvalidOperationException("Cannot perform chromatic adaptation, provide chromatic adaptation method and white point.");
if (color.WhitePoint.Equals(TargetLabWhitePoint))
return color;
var xyzColor = ToXYZ(color);
var result = ToLab(xyzColor);
return result;
}
/// <summary>
/// Adapts LChab color from the source white point to white point set in <see cref="TargetLabWhitePoint" />.
/// </summary>
public LChabColor Adapt(in LChabColor color)
{
if (!IsChromaticAdaptationPerformed)
throw new InvalidOperationException("Cannot perform chromatic adaptation, provide chromatic adaptation method and white point.");
if (color.WhitePoint.Equals(TargetLabWhitePoint))
return color;
var labColor = ToLab(color);
var result = ToLChab(labColor);
return result;
}
/// <summary>
/// Adapts Lab color from the source white point to white point set in <see cref="TargetHunterLabWhitePoint" />.
/// </summary>
public HunterLabColor Adapt(in HunterLabColor color)
{
if (!IsChromaticAdaptationPerformed)
throw new InvalidOperationException("Cannot perform chromatic adaptation, provide chromatic adaptation method and white point.");
if (color.WhitePoint.Equals(TargetHunterLabWhitePoint))
return color;
var xyzColor = ToXYZ(color);
var result = ToHunterLab(xyzColor);
return result;
}
/// <summary>
/// Adapts Luv color from the source white point to white point set in <see cref="TargetLuvWhitePoint" />.
/// </summary>
public LuvColor Adapt(in LuvColor color)
{
if (!IsChromaticAdaptationPerformed)
throw new InvalidOperationException("Cannot perform chromatic adaptation, provide chromatic adaptation method and white point.");
if (color.WhitePoint.Equals(TargetLuvWhitePoint))
return color;
var xyzColor = ToXYZ(color);
var result = ToLuv(xyzColor);
return result;
}
}
}
|
