public void Arrange(FlexSize availableSize, FlexSize offset)
{
double x = 0;
double width = availableSize.Lateral;
if (Child is FrameworkElement frameworkChild)
{
switch (frameworkChild.HorizontalAlignment)
{
default:
case HorizontalAlignment.Stretch:
width = availableSize.Lateral;
break;
case HorizontalAlignment.Center:
x = (availableSize.Lateral - width) / 2;
break;
case HorizontalAlignment.Left:
break;
case HorizontalAlignment.Right:
x = availableSize.Lateral - width;
break;
}
}
Child.Arrange(new Rect(new Point(x, offset.Longitudinal), new Size(width, availableSize.Longitudinal)));
}
public void Arrange(FlexSize availableSize, FlexSize offset)
{
double y = 0;
double height = availableSize.Lateral;
if (Child is FrameworkElement frameworkChild)
{
switch (frameworkChild.VerticalAlignment)
{
default:
case VerticalAlignment.Stretch:
height = availableSize.Lateral;
break;
case VerticalAlignment.Center:
y = (availableSize.Lateral - height) / 2;
break;
case VerticalAlignment.Top:
break;
case VerticalAlignment.Bottom:
y = availableSize.Lateral - height;
break;
}
}
Child.Arrange(new Rect(new Point(offset.Longitudinal, y), new Size(availableSize.Longitudinal, height)));
}
public void Measure(FlexSize availableSize)
{
var size = new Size(availableSize.Lateral, availableSize.Longitudinal);
Child.Measure(size);
}