public void Bind(Rect r)
{
if (IsNull() || r.IsNull())
{
return;
}
if (Right() > r.Right())
{
MoveRight(r.Right());
}
if (Bottom() > r.Bottom())
{
MoveBottom(r.Bottom());
}
if (Left() < r.Left())
{
MoveLeft(r.Left());
}
if (Top() < r.Top())
{
MoveTop(r.Top());
}
}
public Rect Intersection(Rect r)
{
if (IsNull())
{
return(r);
}
if (r.IsNull())
{
return(this);
}
int l1 = _x1;
int r1 = _x1;
if (_x2 - _x1 + 1 < 0)
{
l1 = _x2;
}
else
{
r1 = _x2;
}
int l2 = r._x1;
int r2 = r._x1;
if (r._x2 - r._x1 + 1 < 0)
{
l2 = r._x2;
}
else
{
r2 = r._x2;
}
int t1 = _y1;
int b1 = _y1;
if (_y2 - _y1 + 1 < 0)
{
t1 = _y2;
}
else
{
b1 = _y2;
}
int t2 = r._y1;
int b2 = r._y1;
if (r._y2 - r._y1 + 1 < 0)
{
t2 = r._y2;
}
else
{
b2 = r._y2;
}
Rect tmp = new Rect();
tmp._x1 = System.Math.Max(l1, l2);
tmp._x2 = System.Math.Min(r1, r2);
tmp._y1 = System.Math.Max(t1, t2);
tmp._y2 = System.Math.Min(b1, b2);
return(tmp);
}
public bool Intersects(Rect r)
{
if (IsNull() || r.IsNull())
{
return(false);
}
int l1 = _x1;
int r1 = _x1;
if (_x2 - _x1 + 1 < 0)
{
l1 = _x2;
}
else
{
r1 = _x2;
}
int l2 = r._x1;
int r2 = r._x1;
if (r._x2 - r._x1 + 1 < 0)
{
l2 = r._x2;
}
else
{
r2 = r._x2;
}
if (l1 > r2 || l2 > r1)
{
return(false);
}
int t1 = _y1;
int b1 = _y1;
if (_y2 - _y1 + 1 < 0)
{
t1 = _y2;
}
else
{
b1 = _y2;
}
int t2 = r._y1;
int b2 = r._y1;
if (r._y2 - r._y1 + 1 < 0)
{
t2 = r._y2;
}
else
{
b2 = r._y2;
}
if (t1 > b2 || t2 > b1)
{
return(false);
}
return(true);
}
