private void UpdateInfos()
{
_Direction = ((Vector)P2 - (Vector)P1).Normalized;
_Equation = Line.FromPoints((Vector)P1, (Vector)P2);
_Bounds = RectangleM.FromLTRB(
Measure.Min(P1.X, P2.X),
Measure.Max(P1.Y, P2.Y),
Measure.Max(P1.X, P2.X),
Measure.Min(P1.Y, P2.Y));
_Length = Measure.FromNormalizedValue(((Vector)P2 - (Vector)P1).Length, P1.Unit ?? P2.Unit);
isDirty = false;
}
public RectangleM GetLayoutBounds()
{
if (VisualElements.Count == 0)
{
return(RectangleM.Empty);
}
if (!_CachedBounds.IsEmpty)
{
return(_CachedBounds);
}
Measure minX = Measure.Zero;
Measure maxX = Measure.Zero;
Measure minY = Measure.Zero;
Measure maxY = Measure.Zero;
foreach (var elem in VisualElements)
{
if (elem.Bounds.IsEmpty)
{
continue;
}
if (elem.Bounds.Left < minX)
{
minX = elem.Bounds.Left;
}
if (elem.Bounds.Bottom < minY)
{
minY = elem.Bounds.Bottom;
}
if (elem.Bounds.Right > maxX)
{
maxX = elem.Bounds.Right;
}
if (elem.Bounds.Top > maxY)
{
maxY = elem.Bounds.Top;
}
}
_CachedBounds = RectangleM.FromLTRB(minX, maxY, maxX, minY);
return(_CachedBounds);
}