// ******************************************************************
public Color GetNextColor()
{
while (true)
{
var hue = _random.NextDouble() * 360;
double saturation;
double luminance;
// To go quicker and darker for white background
// saturation = Math.Sqrt(_random.NextDouble()) ;
// luminance = Math.Sqrt(_random.NextDouble());
// To go quicker and lighter for dark background
//saturation = Math.Pow(_random.NextDouble(), 2.0);
//luminance = Math.Pow(_random.NextDouble(), 2.0);
// Less performance but higher compatibility
saturation = _random.NextDouble();
luminance = _random.NextDouble();
var hsl = new HSL(hue, saturation, luminance);
var c = hsl.ToColor();
if (IsFarEnoughFromExistingColor(c, DistanceMin))
{
UsedColors.Add(new ColorRatio(c));
DistanceMin += .02;
_badTryCount = 0;
return(c);
}
_badTryCount++;
if (_badTryCount > Accuracy)
{
_badTryCount = 0;
DistanceMin -= .002;
}
}
}
/// <summary>
/// Converts HSL to RGB.
/// </summary>
/// <param name="hsl">The HSL structure to convert.</param>
public static RGB HSLtoRGB(HSL hsl)
{
return HSLtoRGB(hsl.Hue, hsl.Saturation, hsl.Luminance);
}
/// <summary>
/// Converts HSL to .net Color.
/// </summary>
/// <param name="hsl">The HSL structure to convert.</param>
public static Color HSLtoColor(HSL hsl)
{
return HSLtoColor(hsl.Hue, hsl.Saturation, hsl.Luminance);
}
/// <summary>
/// Gets the "distance" between two colors.
/// </summary>
/// EO Added 2011-09-08
/// <param name="color1">First color.</param>
/// <param name="color2">Second color.</param>
public static double GetColorDistance(HSL hsl1, HSL hsl2)
{
var rgb1 = HSLtoRGB(hsl1);
var rgb2 = HSLtoRGB(hsl2);
return GetColorDistance(rgb1.Red, rgb1.Green, rgb1.Blue, rgb2.Red, rgb1.Green, rgb1.Blue);
}
/// <summary>
/// Converts HSL to .net Color.
/// </summary>
/// <param name="hsl">The HSL structure to convert.</param>
public static Color HSLtoColor(HSL hsl)
{
return(HSLtoColor(hsl.Hue, hsl.Saturation, hsl.Luminance));
}
/// <summary>
/// Converts HSL to RGB.
/// </summary>
/// <param name="hsl">The HSL structure to convert.</param>
public static RGB HSLtoRGB(HSL hsl)
{
return(HSLtoRGB(hsl.Hue, hsl.Saturation, hsl.Luminance));
}
// ******************************************************************
public Color GetNextColor()
{
while (true)
{
var hue = _random.NextDouble()*360;
double saturation;
double luminance;
// To go quicker and darker for white background
// saturation = Math.Sqrt(_random.NextDouble()) ;
// luminance = Math.Sqrt(_random.NextDouble());
// To go quicker and lighter for dark background
//saturation = Math.Pow(_random.NextDouble(), 2.0);
//luminance = Math.Pow(_random.NextDouble(), 2.0);
// Less performance but higher compatibility
saturation = _random.NextDouble();
luminance = _random.NextDouble();
var hsl = new HSL(hue, saturation, luminance);
var c = hsl.ToColor();
if (IsFarEnoughFromExistingColor(c, DistanceMin))
{
UsedColors.Add(new ColorRatio(c));
DistanceMin += .02;
_badTryCount = 0;
return c;
}
_badTryCount++;
if (_badTryCount > Accuracy)
{
_badTryCount = 0;
DistanceMin -= .002;
}
}
}
