public override Size MeasureLayout()
{
var size = base.MeasureLayout();
if (Width.IsFixed() && Height.IsFixed())
{
return(size);
}
if (Orientation == Orientation.Vertical)
{
if (!Width.IsFixed())
{
size.Width += Children.Count > 0 ? Children.Max(child => child.MeasureLayout().Width) : 0;
}
if (!Height.IsFixed())
{
size.Height += Children.Sum(child => child.MeasureLayout().Height);
}
}
else
{
if (!Width.IsFixed())
{
size.Width += Children.Sum(child => child.MeasureLayout().Width);
}
if (!Height.IsFixed())
{
size.Height += Children.Count > 0 ? Children.Max(child => child.MeasureLayout().Height) : 0;
}
}
return(size);
}
public override Size MeasureLayout()
{
var size = base.MeasureLayout();
if (size.Height != 0 && size.Width != 0)
{
return(size);
}
if (size.Height == 0)
{
size.Height = Source.Height;
}
if (size.Width == 0)
{
size.Width = Source.Width;
}
size = GetImageSize(size);
if (Height.IsFixed())
{
size.Height = Height;
}
if (Width.IsFixed())
{
size.Width = Width;
}
return(size);
}
public virtual Size MeasureLayout()
{
if (IsGone)
{
return(Size.Empty);
}
var width = Width.IsFixed() ? Width : 0;
var height = Height.IsFixed() ? Height : 0;
return(new Size(width, height) + Margin);
}
protected Rect GetRectForAlignment(Rect rect, Size measuredSize, PointF offset)
{
switch (VerticalAlignment)
{
case VerticalAlignment.Stretch:
if (!Height.IsFixed() && rect.Height.IsFixed())
{
measuredSize.Height = rect.Height;
}
break;
case VerticalAlignment.Center:
offset.Y += (rect.Height - measuredSize.Height) / 2;
break;
case VerticalAlignment.Bottom:
offset.Y += rect.Height - measuredSize.Height;
break;
}
switch (HorizontalAlignment)
{
case HorizontalAlignment.Stretch:
if (!Width.IsFixed() && rect.Width.IsFixed())
{
measuredSize.Width = rect.Width;
}
break;
case HorizontalAlignment.Center:
offset.X += (rect.Width - measuredSize.Width) / 2;
break;
case HorizontalAlignment.Right:
offset.X += rect.Width - measuredSize.Width;
break;
}
return(new Rect(offset, measuredSize));
}
public override Size MeasureLayout()
{
var size = base.MeasureLayout();
if (Height.IsFixed() && Width.IsFixed())
{
return(size);
}
size += Padding;
size += Content?.MeasureLayout() ?? Size.Empty;
if (Height.IsFixed())
{
size.Height = Height;
}
if (Width.IsFixed())
{
size.Width = Width;
}
return(size);
}
