private Match DoMatch(Point index, Palette palette, DeltaEMap scoreMap, FilteredMap filter, Picker picker)
{
// We'll choose our centerpoint so the first picker lines up with the found color
var zeroPoint = new Point(index.X - picker.FirstCursor.X, index.Y - picker.FirstCursor.Y);
var selectedColors = new List<SelectedColor>();
foreach (var cursor in picker.Cursors)
{
var p = zeroPoint.TileOffset(cursor.X, cursor.Y, palette.Width, palette.Height);
selectedColors.Add(new SelectedColor(p, Color.FromArgb(palette[p.Y, p.X]), scoreMap[p.Y, p.X], filter[p.Y, p.X]));
}
return new Match(selectedColors, zeroPoint);
}
public List<Match> Match(DistortedPalette palette, DeltaEMap scoreMap, FilteredMap filter, Picker picker)
{
var results = new ConcurrentBag<Match>();
BeginTrack(nameof(Match), "Beginning brute force matching.");
Parallel.ForEach(filter.Index, p =>
{
results.Add(DoMatch(p, palette, scoreMap, filter, picker));
});
EndTrack(nameof(Match), "Calculated {0:N0} matches", results.Count);
return new List<Match>(results);
}