public void Union(Rect rect)
{
if (this.IsEmpty)
{
this = rect;
}
else if (!rect.IsEmpty)
{
double num2 = Math.Min(this.Left, rect.Left);
double num = Math.Min(this.Top, rect.Top);
if ((rect.Width == double.PositiveInfinity) || (this.Width == double.PositiveInfinity))
{
this._width = double.PositiveInfinity;
}
else
{
double num4 = Math.Max(this.Right, rect.Right);
this._width = Math.Max((double)(num4 - num2), (double)0.0);
}
if ((rect.Height == double.PositiveInfinity) || (this.Height == double.PositiveInfinity))
{
this._height = double.PositiveInfinity;
}
else
{
double num3 = Math.Max(this.Bottom, rect.Bottom);
this._height = Math.Max((double)(num3 - num), (double)0.0);
}
this._x = num2;
this._y = num;
}
}
/// <summary>
/// Sets the item's position according to its tikzitem's value
/// </summary>
public override bool AdjustPosition(double Resolution)
{
Rect r = new Rect(0, 0, 0, 0);
bool hasone = false;
foreach (OverlayShape o in children)
{
o.AdjustPosition(Resolution);
Rect rr = o.View.GetBB();
if (hasone)
r.Union(rr);
else
{
r = rr;
hasone = true;
}
}
if (hasone)
{
r.Inflate(20, 20);
//r = new Rect(10, 10, 100, 100);
View.SetSize( r.Width, r.Height);
View.SetPosition(r.X, r.Y);
return true;
}
else return false;
}