public static bool TryParsePaletteFormat(string pointerFormat, out PaletteFormat paletteFormat)
{
paletteFormat = default;
if (!pointerFormat.StartsWith("`ucp") || !pointerFormat.EndsWith("`"))
{
return(false);
}
return(LzPaletteRun.TryParseDimensions(pointerFormat, out paletteFormat));
}
public IPaletteRun SetPalette(IDataModel model, ModelDelta token, int page, IReadOnlyList <short> colors)
{
var data = Decompress(model, Start);
var colorCount = (int)Math.Pow(2, PaletteFormat.Bits);
var pageLength = colorCount * 2;
page %= Pages;
PaletteRun.SetPalette(data, page * pageLength, colors);
var newModelData = Compress(data, 0, data.Length);
var newRun = (IPaletteRun)model.RelocateForExpansion(token, this, newModelData.Count);
for (int i = 0; i < newModelData.Count; i++)
{
token.ChangeData(model, newRun.Start + i, newModelData[i]);
}
for (int i = newModelData.Count; i < Length; i++)
{
token.ChangeData(model, newRun.Start + i, 0xFF);
}
newRun = new LzPaletteRun(PaletteFormat, model, newRun.Start, newRun.PointerSources);
model.ObserveRunWritten(token, newRun);
return(newRun);
}
