public BitmapByteSeq(IBitmap copy) : this(copy.Size)
{
foreach (var p in copy.TruePositions())
{
this[p] = true;
}
}
public static int Count(this IBitmap bitmap)
{
if (bitmap is Bitmap b)
{
return(b.Count);
}
return(bitmap.TruePositions().Count());
}
public static Map <T> ToMap <T>(this IBitmap bitmap, T on, T off)
{
var map = new Map <T>(bitmap.Size);
map.Fill(off);
foreach (var g in bitmap.TruePositions())
{
map[g] = on;
}
return(map);
}
public static Map <int> ToIntMap(this IBitmap bitmap, int on = 1, int off = 0)
{
var map = new Map <int>(bitmap.Size);
map.Fill(off);
foreach (var g in bitmap.TruePositions())
{
map[g] = on;
}
return(map);
}
public static Map <char> ToCharMap(this IBitmap bitmap, char on = 'X', char off = '.')
{
var map = new Map <char>(bitmap.Size);
map.Fill(off);
foreach (var g in bitmap.TruePositions())
{
map[g] = on;
}
return(map);
}
/// <summary>
/// Does any cell intersect/overlap between lhs and rhs?
/// </summary>
public static bool Intersects(this IBitmap lhs, IBitmap rhs)
{
foreach (var t in lhs.TruePositions())
{
if (rhs[t])
{
return(true);
}
}
return(false);
}
public static IBitmap Subtract(this IBitmap lhs, IBitmap rhs)
{
if (lhs.Size != rhs.Size)
{
throw new InvalidDataException();
}
var res = new Bitmap(lhs);
foreach (var on in rhs.TruePositions())
{
res[on] = false;
}
return(res);
}
public Master(IBitmap reference)
{
Reference = reference;
var m = new int[reference.Width * reference.Height];
m.Fill(-1);
var l = new List <VectorInt2>();
var cc = 0;
foreach (var position in reference.TruePositions())
{
l.Add(position);
m[reference.ToLinearSpace(position)] = cc++;
}
MapOut = l.ToImmutableList();
MapIn = m.ToImmutableArray();
}
