using System;
/* This library handles colormodels and spaces and the conversion between those.
Copyright (C) 2013 Johannes Bildstein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.*/
namespace ColorManagment
{
/// <summary>
/// LCH Color
/// </summary>
public abstract class ColorLCH : Color
{
/// <summary>
/// Lightness: 0 to 100
/// </summary>
public double L
{
get { return (ColorValues[0] > Lmax) ? Lmax : ((ColorValues[0] < Lmin) ? Lmin : ColorValues[0]); }
set { ColorValues[0] = value; }
}
/// <summary>
/// Chroma
/// </summary>
public double C
{
get { return ColorValues[1]; }
set { ColorValues[1] = value; }
}
/// <summary>
/// Hue Angel: 0 to 360
/// </summary>
public double H
{
get { return ((ColorValues[2] % Hmax) + Hmax) % Hmax; }
set { ColorValues[2] = value; }
}
/// <summary>
/// Minimum value for L
/// </summary>
public const double Lmin = 0;
/// <summary>
/// Minimum value for C
/// </summary>
public const double Cmin = double.MinValue;
/// <summary>
/// Minimum value for H
/// </summary>
public const double Hmin = 0;
/// <summary>
/// Maximum value for L
/// </summary>
public const double Lmax = 100;
/// <summary>
/// Maximum value for C
/// </summary>
public const double Cmax = double.MaxValue;
/// <summary>
/// Maximum value for H
/// </summary>
public const double Hmax = 360;
/// <summary>
/// All color components in an array
/// </summary>
public override double[] ColorArray { get { return new double[] { ColorValues[0], ColorValues[1], ColorValues[2] }; } }
/// <summary>
/// The number of channels this color has
/// </summary>
public override byte ChannelCount { get { return 3; } }
#region Constructor
/// <summary>
/// Creates a new instance of a CIE LCH Color
/// </summary>
public ColorLCH()
: this(ColorConverter.ReferenceWhite, 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a CIE LCH Color
/// </summary>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCH(double L, double C, double H)
: this(ColorConverter.ReferenceWhite, L, C, H)
{ }
/// <summary>
/// Creates a new instance of a CIE LCH Color
/// </summary>
/// <param name="ReferenceWhite">The reference white</param>
public ColorLCH(Whitepoint ReferenceWhite)
: this(ReferenceWhite, 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a CIE LCH Color
/// </summary>
/// <param name="ReferenceWhite">The reference white</param>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCH(Whitepoint ReferenceWhite, double L, double C, double H)
: base()
{
this.wp = ReferenceWhite;
this.L = L;
this.C = C;
this.H = H;
}
#endregion
}
/// <summary>
/// CIE LCH Color based on a CIE L*a*b* Color
/// </summary>
public sealed class ColorLCHab : ColorLCH
{
public override ColorModel Model { get { return ColorModel.CIELCHab; } }
#region Constructor
/// <summary>
/// Creates a new instance of a CIE LCHab Color
/// </summary>
public ColorLCHab()
: base(ColorConverter.ReferenceWhite, 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a CIE LCHab Color
/// </summary>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCHab(double L, double C, double H)
: base(ColorConverter.ReferenceWhite, L, C, H)
{ }
/// <summary>
/// Creates a new instance of a CIE LCHab Color
/// </summary>
/// <param name="ReferenceWhite">The reference white</param>
public ColorLCHab(Whitepoint ReferenceWhite)
: base(ReferenceWhite, 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a CIE LCHab Color
/// </summary>
/// <param name="ReferenceWhite">The reference white</param>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCHab(Whitepoint ReferenceWhite, double L, double C, double H)
: base(ReferenceWhite, L, C, H)
{ }
#endregion
}
/// <summary>
/// CIE LCH Color based on a CIE L*u*v* Color
/// </summary>
public sealed class ColorLCHuv : ColorLCH
{
public override ColorModel Model { get { return ColorModel.CIELCHuv; } }
#region Constructor
/// <summary>
/// Creates a new instance of a CIE LCHuv Color
/// </summary>
public ColorLCHuv()
: base(ColorConverter.ReferenceWhite, 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a CIE LCHuv Color
/// </summary>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCHuv(double L, double C, double H)
: base(ColorConverter.ReferenceWhite, L, C, H)
{ }
/// <summary>
/// Creates a new instance of a CIE LCHuv Color
/// </summary>
/// <param name="ReferenceWhite">The reference white</param>
public ColorLCHuv(Whitepoint ReferenceWhite)
: base(ReferenceWhite, 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a CIE LCHuv Color
/// </summary>
/// <param name="ReferenceWhite">The reference white</param>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCHuv(Whitepoint ReferenceWhite, double L, double C, double H)
: base(ReferenceWhite, L, C, H)
{ }
#endregion
}
/// <summary>
/// LCH Color based on the DIN 99 formula
/// </summary>
public sealed class ColorLCH99 : ColorLCH
{
public override ColorModel Model { get { return ColorModel.LCH99; } }
#region Constructor
/// <summary>
/// Creates a new instance of a LCH99 Color
/// </summary>
public ColorLCH99()
: base(new Whitepoint(WhitepointName.D65), 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a LCH99 Color
/// </summary>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCH99(double L, double C, double H)
: base(new Whitepoint(WhitepointName.D65), L, C, H)
{ }
#endregion
}
/// <summary>
/// LCH Color based on the DIN 99b formula
/// </summary>
public sealed class ColorLCH99b : ColorLCH
{
public override ColorModel Model { get { return ColorModel.LCH99b; } }
#region Constructor
/// <summary>
/// Creates a new instance of a LCH99b Color
/// </summary>
public ColorLCH99b()
: base(new Whitepoint(WhitepointName.D65), 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a LCH99b Color
/// </summary>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCH99b(double L, double C, double H)
: base(new Whitepoint(WhitepointName.D65), L, C, H)
{ }
#endregion
}
/// <summary>
/// LCH Color based on the DIN 99c formula
/// </summary>
public sealed class ColorLCH99c : ColorLCH
{
public override ColorModel Model { get { return ColorModel.LCH99c; } }
#region Constructor
/// <summary>
/// Creates a new instance of a LCH99c Color
/// </summary>
public ColorLCH99c()
: base(new Whitepoint(WhitepointName.D65), 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a LCH99c Color
/// </summary>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCH99c(double L, double C, double H)
: base(new Whitepoint(WhitepointName.D65), L, C, H)
{ }
#endregion
}
/// <summary>
/// LCH Color based on the DIN 99d formula
/// </summary>
public sealed class ColorLCH99d : ColorLCH
{
public override ColorModel Model { get { return ColorModel.LCH99d; } }
#region Constructor
/// <summary>
/// Creates a new instance of a LCH99d Color
/// </summary>
public ColorLCH99d()
: base(new Whitepoint(WhitepointName.D65), 0, 0, 0)
{ }
/// <summary>
/// Creates a new instance of a LCH99d Color
/// </summary>
/// <param name="L">Lightness (0 - 100)</param>
/// <param name="C">Chroma</param>
/// <param name="H">Hue (0 - 360)</param>
public ColorLCH99d(double L, double C, double H)
: base(new Whitepoint(WhitepointName.D65), L, C, H)
{ }
#endregion
}
}
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