public ColorHSV GetRandomColor(FlagColorCategory category, double?hue = null)
{
Random rand = StaticRandom.GetRandomForThread();
double hueActual = hue ?? rand.NextDouble(360);
ColorHSV retVal;
if (category == FlagColorCategory.Other)
{
// This category is under other category rectangles, so do a brute force repeat until match
FlagColorCategory cat;
do
{
retVal = new ColorHSV(hueActual, rand.NextDouble(100), rand.NextDouble(100));
cat = Categorize(retVal);
} while (cat != category);
}
else
{
// The color range is stored as a rectangle (X is saturation, Y is value)
Rect catRect = this.Categories.First(o => o.Item2 == category).Item1;
retVal = new ColorHSV(hueActual, rand.NextDouble(catRect.Left, catRect.Right), rand.NextDouble(catRect.Top, catRect.Bottom));
}
return(retVal);
}
private Tuple <ColorHSV, FlagColorCategory> GetRandomFlagColors_Next(List <Tuple <ColorHSV, FlagColorCategory> > existing)
{
// Figure out which category group to use
var group = GetRandomFlagColors_Group(existing);
// Pick a category out of this group
FlagColorCategory category = GetRandomFlagColors_Category(this.MaxPerFlag[group.Item1].Item1, group.Item2);
// Get a color from this category
ColorHSV color = GetRandomFlagColors_Color(category, existing);
return(Tuple.Create(color, category));
}
private ColorHSV GetRandomFlagColors_Color(FlagColorCategory category, List <Tuple <ColorHSV, FlagColorCategory> > existing)
{
if (_ignoreHues.Contains(category))
{
return(GetRandomColor(category)); // don't worry about hue
}
double[] existingHues = existing.
Where(o => !_ignoreHues.Contains(o.Item2)).
Select(o => o.Item1.H).
ToArray();
//TODO: Use the existing hues to try to influence the next one:
// only allow 30 degree increments
// give a higher chance to the slots farthest away from existing
double hue = GetRandomFlagColors_Hue(existingHues);
return(GetRandomColor(category, hue));
}
private ColorHSV GetRandomFlagColors_Color(FlagColorCategory category, List<Tuple<ColorHSV, FlagColorCategory>> existing)
{
if (_ignoreHues.Contains(category))
{
return GetRandomColor(category); // don't worry about hue
}
double[] existingHues = existing.
Where(o => !_ignoreHues.Contains(o.Item2)).
Select(o => o.Item1.H).
ToArray();
//TODO: Use the existing hues to try to influence the next one:
// only allow 30 degree increments
// give a higher chance to the slots farthest away from existing
double hue = GetRandomFlagColors_Hue(existingHues);
return GetRandomColor(category, hue);
}
private static FlagColorCategory GetRandomFlagColors_Category(FlagColorCategory[] chooseFrom, Tuple<ColorHSV, FlagColorCategory>[] existing)
{
if (chooseFrom.Length == 1)
{
return chooseFrom[0];
}
Random rand = StaticRandom.GetRandomForThread();
int infiniteLoopDetector = 0;
// There are more than one to choose from. Pick one that hasn't been picked before
// For example { Black, White }, and White is used. Need to return Black
int index = -1;
while (true)
{
index = rand.Next(chooseFrom.Length);
if (!existing.Any(o => o.Item2 == chooseFrom[index]))
{
return chooseFrom[index];
}
infiniteLoopDetector++;
if (infiniteLoopDetector > 1000)
{
throw new ApplicationException("Infinite loop detected");
}
}
}
public ColorHSV GetRandomColor(FlagColorCategory category, double? hue = null)
{
Random rand = StaticRandom.GetRandomForThread();
double hueActual = hue ?? rand.NextDouble(360);
ColorHSV retVal;
if (category == FlagColorCategory.Other)
{
// This category is under other category rectangles, so do a brute force repeat until match
FlagColorCategory cat;
do
{
retVal = new ColorHSV(hueActual, rand.NextDouble(100), rand.NextDouble(100));
cat = Categorize(retVal);
} while (cat != category);
}
else
{
// The color range is stored as a rectangle (X is saturation, Y is value)
Rect catRect = this.Categories.First(o => o.Item2 == category).Item1;
retVal = new ColorHSV(hueActual, rand.NextDouble(catRect.Left, catRect.Right), rand.NextDouble(catRect.Top, catRect.Bottom));
}
return retVal;
}
