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using System;
using Colourful.Implementation.Conversion;
namespace Colourful.Conversion
{
public partial class ColourfulConverter
{
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in RGBColor color)
{
var xyzColor = ToXYZ(color);
var result = ToLChab(xyzColor);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in LinearRGBColor color)
{
var xyzColor = ToXYZ(color);
var result = ToLChab(xyzColor);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in XYZColor color)
{
var labColor = ToLab(color);
var result = ToLChab(labColor);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in xyYColor color)
{
var xyzColor = ToXYZ(color);
var result = ToLChab(xyzColor);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in LabColor color)
{
// adaptation to target lab white point (LabWhitePoint)
var adapted = IsChromaticAdaptationPerformed ? Adapt(color) : color;
// conversion (preserving white point)
var converter = LabToLChabConverter.Default;
var result = converter.Convert(adapted);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in HunterLabColor color)
{
var xyzColor = ToXYZ(color);
var result = ToLChab(xyzColor);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in LuvColor color)
{
var xyzColor = ToXYZ(color);
var result = ToLChab(xyzColor);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in LChuvColor color)
{
var xyzColor = ToXYZ(color);
var result = ToLChab(xyzColor);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab(in LMSColor color)
{
var xyzColor = ToXYZ(color);
var result = ToLChab(xyzColor);
return result;
}
/// <summary>
/// Convert to CIE L*C*h° (Lab) color
/// </summary>
public LChabColor ToLChab<T>(T color) where T : struct, IColorVector
{
switch (color)
{
case RGBColor typedColor:
return ToLChab(in typedColor);
case LinearRGBColor typedColor:
return ToLChab(in typedColor);
case XYZColor typedColor:
return ToLChab(in typedColor);
case xyYColor typedColor:
return ToLChab(in typedColor);
case HunterLabColor typedColor:
return ToLChab(in typedColor);
case LabColor typedColor:
return ToLChab(in typedColor);
case LChabColor typedColor:
return typedColor;
case LuvColor typedColor:
return ToLChab(in typedColor);
case LChuvColor typedColor:
return ToLChab(in typedColor);
case LMSColor typedColor:
return ToLChab(in typedColor);
default:
throw new ArgumentException($"Cannot accept type '{typeof(T)}'.", nameof(color));
}
}
}
}
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