private List <WriteableBitmap> DeduplicateTemps(List <WriteableBitmap> tempTiles)
{
var existingFrames = RipAllFrames();
var comparer = new BitmapComparer();
return(tempTiles
.Distinct(comparer)
.Except(existingFrames.Keys, comparer)
.ToList());
}
private Dictionary <int, WriteableBitmap> MapImageIndicesToUnique(List <WriteableBitmap> images, out List <WriteableBitmap> keys)
{
var comparer = new BitmapComparer();
var groups = images
.Select((img, ix) => new { Index = ix, Image = img })
.GroupBy(a => a.Image, comparer);
keys = groups.Select(g => g.Key).ToList();
return(groups
.SelectMany(g => g.Select(a => new { Index = a.Index, First = g.Key }))
.ToDictionary(a => a.Index, a => a.First));
}