public override void Read(BinaryReader input)
{
Name = input.ReadString();
IsIndexedPalette = input.ReadBoolean();
input.ReadTactileContent(Palette, PaletteEntry.GetEmptyInstance());
input.ReadTactileContent(Ramps, PaletteRamp.GetEmptyInstance());
_DarkestColor = _DarkestColor.read(input);
}
public int AddColor(Color color, int weight)
{
int index = ColorIndex(color);
if (index >= 0)
{
return(index);
}
else
{
var entry = new PaletteEntry(color, weight);
Palette.Add(entry);
return(Palette.Count - 1);
}
}
private void SetValue(int index, float value)
{
// Can't adjust the base color value
if (index == Ramp.BaseColorIndex)
{
return;
}
PaletteEntry entry = GetEntry(index);
var color = entry.Color;
// Update the gradient so that this index natrually has this value
Ramp.Generator.AdjustValue(
color,
this.BaseColor,
value);
}
public void RefreshAdjustments()
{
var basePalette = GetDefaultColorPalette();
var entries = Palette.RampEntries(Ramp);
var values = entries
.Select(x => x.Color)
.Select(x => basePalette.GetValue(x))
.ToArray();
for (int i = 0; i < Ramp.Count; i++)
{
// Get the adjustment that turns the palette color back into
// the ramp color
Color source = basePalette.GetColor(values[i]);
PaletteEntry entry = entries[i];
Color target = entry.Color;
var adjustment = ColorVector.ColorDifference(source, target, Ramp.BlueYellowAdjustments);
Ramp.SetAdjustment(i, adjustment);
}
}
public XnaHSL GetHsl(float index)
{
PaletteEntry entry = Palette.GetEntry(Ramp.Colors.FirstOrDefault());
XnaHSL black = new XnaHSL(entry.Color);
black = black.SetSaturation(0f);
black = black.SetLightness(0f);
entry = Palette.GetEntry(Ramp.Colors.LastOrDefault());
XnaHSL white = new XnaHSL(entry.Color);
white = white.SetSaturation(0f);
white = white.SetLightness(1f);
XnaHSL left = black;
XnaHSL right = white;
for (int i = 0; i <= Ramp.Count; i++, index -= 1f, left = right)
{
if (i == Ramp.Count)
{
right = white;
}
else
{
entry = Palette.GetEntry(Ramp.GetColor(i));
right = new XnaHSL(entry.Color);
}
if (index <= 0f)
{
XnaHSL hslResult = XnaHSL.Lerp(left, right, (index + 1));
return(hslResult);
}
}
return(right);
}
public PaletteEntry(PaletteEntry source)
{
CopyFrom(source);
}
