///////////////////////////////////////////////////////////////////////////////
// Public methods //
///////////////////////////////////////////////////////////////////////////////
#region Public Methods and Operators
/// <summary>
/// Returns a colored pallet for the given hue and saturation.
/// </summary>
/// <param name="hue">
/// A <see cref="float"/> with the hue to use.
/// </param>
/// <param name="hueConstraint">
/// A <see cref="float"/> with the hue constraint to use.
/// </param>
/// <param name="saturation">
/// A <see cref="float"/> with the saturation to use.
/// </param>
/// <param name="x">
/// A <see cref="float"/> with ???
/// </param>
/// <returns>
/// An array of colors defining the pallet.
/// </returns>
public Color[] GetColoredPallet(float hue, float hueConstraint, float saturation, float x)
{
if (this.colorType != ColorType.HSL && this.colorType != ColorType.HSV)
{
throw new NotImplementedException(string.Format("Not implemented color type: \"{0}\"", this.colorType));
}
// Hue
float hueDiff = this.palletInfo.HueAvg - hue;
// Saturation
float satDiff;
float satConstraint;
float satAux;
this.CalculateParameters(
saturation, this.palletInfo.SatMin, this.palletInfo.SatMax, out satDiff, out satConstraint, out satAux);
// X
float diffX;
float constraintX;
float auxX;
this.CalculateParameters(x, this.palletInfo.XMin, this.palletInfo.XMax, out diffX, out constraintX, out auxX);
var result = new Color[this.sourcePallet.Length];
HSXColor sourceColor;
HSXColor resultColor;
// Not Tested yet
for (int i = 0; i < this.sourcePallet.Length; i++)
{
sourceColor = this.sourcePallet[i];
resultColor =
new HSXColor(
sourceColor.Hue + ((this.palletInfo.HueAvg - sourceColor.Hue) * hueConstraint) - hueDiff,
sourceColor.Saturation + ((satAux - sourceColor.Saturation) * satConstraint) + satDiff,
sourceColor.ValueLuminanceBrightness + ((auxX - sourceColor.ValueLuminanceBrightness) * constraintX) + diffX);
result[i] = this.IsHSL ? ConvertColor.HSLToRGB(resultColor) : ConvertColor.HSVToRGB(resultColor);
}
return(result);
}
/// <summary>
/// Fills coloration class with color array to
/// build pallet info.
/// </summary>
/// <param name="pallet">
/// An array of <see cref="Color"/> defining the pallet
/// </param>
private void SetSourcePallet(Color[] pallet)
{
// if (!this._ColorType.In(ColorType.HSL, ColorType.HSV)) // C# 3.0
if (this.colorType != ColorType.HSL && this.colorType != ColorType.HSV)
{
throw new NotImplementedException(string.Format("Not implemented color type: \"{0}\"", this.colorType));
}
this.palletInfo.HueMin = float.MaxValue;
this.palletInfo.SatMin = float.MaxValue;
this.palletInfo.XMin = float.MaxValue;
this.sourcePallet = new HSXColor[pallet.Length];
this.palletInfo.HueAvg = 0F;
for (int i = 0; i < pallet.Length; i++)
{
HSXColor hsx;
if (this.IsHSL)
{
hsx = ConvertColor.RBGToHSL(pallet[i]);
}
else
{
hsx = ConvertColor.RBGToHSV(pallet[i]);
}
this.sourcePallet[i] = hsx;
if (hsx.Hue.HasValue)
{
if (hsx.Hue < this.palletInfo.HueMin)
{
this.palletInfo.HueMin = hsx.Hue.Value;
}
if (hsx.Hue > this.palletInfo.HueMax)
{
this.palletInfo.HueMax = hsx.Hue.Value;
}
this.palletInfo.HueAvg += hsx.Hue.Value;
}
if (hsx.Saturation < this.palletInfo.SatMin)
{
this.palletInfo.SatMin = hsx.Saturation;
}
if (hsx.Saturation > this.palletInfo.SatMax)
{
this.palletInfo.SatMax = hsx.Saturation;
}
if (hsx.ValueLuminanceBrightness < this.palletInfo.XMin)
{
this.palletInfo.XMin = hsx.ValueLuminanceBrightness;
}
if (hsx.ValueLuminanceBrightness > this.palletInfo.XMax)
{
this.palletInfo.XMax = hsx.ValueLuminanceBrightness;
}
}
this.palletInfo.HueAvg /= pallet.Length;
}