internal void OrderColors()
{
if (!Ramp.Colors.Any())
{
return;
}
int oldBaseIndex = (int)Math.Floor(Ramp.BaseColorIndex);
float adjustment = Ramp.BaseColorIndex - oldBaseIndex;
var entries = Palette.RampEntries(Ramp);
var order = PaletteRamp.ColorLumaOrder(entries.Select(x => x.Color)).ToList();
var colors = order
.Select(x => Ramp.Colors[x])
.ToList();
var adjustments = order
.Select(x => Ramp.Adjustments[x])
.ToList();
Ramp.SetColors(colors, adjustments);
float newBaseIndex = oldBaseIndex;
if (oldBaseIndex >= 0 && oldBaseIndex < this.Count)
{
newBaseIndex = order.IndexOf(oldBaseIndex);
}
newBaseIndex += adjustment;
Ramp.BaseColorIndex = newBaseIndex;
}
public void RefreshDarkestColor()
{
if (Palette.Any())
{
var order = PaletteRamp.ColorLumaOrder(GetRemappedPalette());
order = order
.Where(x => Palette[x].Color.A > 0)
.ToList();
if (order.Any())
{
int index = order.ElementAt(0);
SetDarkestColor(index);
}
}
}
public void AddRamp(List <Color> sourceColors, List <int> sourceWeights)
{
// Order the colors by lightness
var order = PaletteRamp.ColorLumaOrder(sourceColors);
var orderedColors = order
.Select(x => sourceColors[x])
.ToList();
var orderedWeights = order
.Select(x => sourceWeights[x])
.ToList();
AddRamp();
int rampIndex = Ramps.Count - 1;
foreach (int index in order)
{
int colorIndex = AddColor(orderedColors[index], orderedWeights[index]);
AddColorToRamp(colorIndex, rampIndex);
}
}