public void Set(double l, double t, double r, double b)
{
var rect = new RectLtrb
{
Left = l,
Top = t,
FRight = r,
FBottom = b
};
if (PNode == null)
{
PNode = new RectNode
{
Rectangle = rect
}
}
;
else
{
PNode.Rectangle = rect;
PNode.Id = false;
}
Fill = true;
}
public static Vector2D PackBin(RectXywhFlipped[] vlist, double w, double h, double discardbelow, List <RectXywhFlipped> succ, List <RectXywhFlipped> unsucc, bool allowflip)
{
RectNode root = new RectNode();
var funcs = CompFuncs();
var ordered = new List <List <RectXywhFlipped> >();
for (int f = 0; f < funcs.Count; f++)
{
var ii = f;
var clist = ((RectXywhFlipped[])vlist.Clone()).ToList();
ordered.Add(clist);
clist.Sort((a, b) => funcs[ii](a, b));
clist.Reverse();
}
var minbin = new RectXywh
{
Left = 0,
Top = 0,
FWidth = w,
FHeight = h
};
var minfunc = -1;
var bestfunc = 0;
var bestarea = 0.0;
var area = 0.0;
var step = 0.0;
int fit = 0;
bool fail = false;
for (int f = 0; f < funcs.Count; f++)
{
var v = ordered[f];
step = minbin.Width / 2;
root.Reset(minbin);
while (true)
{
if (root.Rectangle.Width > minbin.Width)
{
if (minfunc > -1)
{
break;
}
area = 0;
root.Reset(minbin);
for (int i = 0; i < vlist.Length; i++)
{
if (root.Insert(v[i], allowflip) != null)
{
area += v[i].Area();
}
}
fail = true;
break;
}
fit = -1;
for (int i = 0; i < vlist.Length; i++)
{
if (root.Insert(v[i], allowflip) == null)
{
fit = 1;
break;
}
}
if (fit == -1 && step <= discardbelow)
{
break;
}
root.Reset(new RectXywh
{
FWidth = root.Rectangle.Width + fit * step,
FHeight = root.Rectangle.Height + fit * step,
Top = 0,
Left = 0
});
step /= 2;
step = Math.Max(step, 0.0001);
}
if (!fail && (minbin.Area() >= root.Rectangle.Area()))
{
minbin = new RectXywh
{
FWidth = root.Rectangle.Width,
FHeight = root.Rectangle.Height,
Top = 0, Left = 0
};
minfunc = f;
}
else if (fail && (area > bestarea))
{
bestarea = area;
bestfunc = f;
}
fail = false;
}
var sv = ordered[minfunc == -1 ? bestfunc : minfunc];
double clipx = 0.0, clipy = 0.0;
RectNode ret;
root.Reset(minbin);
for (int i = 0; i < vlist.Length; i++)
{
ret = root.Insert(sv[i], allowflip);
if (ret != null)
{
sv[i].Left = ret.Rectangle.Left;
sv[i].Top = ret.Rectangle.Top;
if (sv[i].Flipped)
{
sv[i].Flipped = false;
sv[i].Flip();
}
clipx = Math.Max(clipx, ret.Rectangle.Right);
clipy = Math.Max(clipy, ret.Rectangle.Bottom);
succ.Add(sv[i]);
}
else
{
unsucc.Add(sv[i]);
sv[i].Flipped = false;
}
}
return(new Vector2D(clipx, clipy));
}
