public PointF GetMouseCenterOfCandidates(FullGridMap map)
{
int min = map.SetAt(0);
int max = map.SetAt(^ 1);
var(x1, y1) = GetMousePointInCenter(min / 9, min % 9);
var(x2, y2) = GetMousePointInCenter(max / 9, max % 9);
return(new PointF((x1 + x2) / 2, (y1 + y2) / 2));
}
public RectangleF GetMouseRectangleOfCandidates(FullGridMap map)
{
var(cw, ch) = CandidateSize;
int min = map.SetAt(0);
int max = map.SetAt(^ 1);
var pt1 = GetMousePointInCenter(min / 9, min % 9);
var pt2 = GetMousePointInCenter(max / 9, max % 9);
pt1.X -= cw / 2;
pt1.Y -= ch / 2;
pt2.X += cw / 2;
pt2.Y += ch / 2;
return(RectangleEx.CreateInstance(pt1, pt2));
}