void CalculateArrangeRectHorizontally(RPNode node, out double x, out double width)
{
Rect measureRect = node.m_measureRect;
double desiredWidth = Math.Min(measureRect.Width, node.GetDesiredWidth());
MUX_ASSERT(node.IsMeasured() && (measureRect.Width != double.PositiveInfinity));
// The initial values correspond to the left corner, using the
// desired size of element. If no attached properties were set,
// this means that the element will default to the left corner of
// the panel.
x = measureRect.X;
width = desiredWidth;
if (node.IsLeftAnchored())
{
if (node.IsRightAnchored())
{
x = measureRect.X;
width = measureRect.Width;
}
else
{
x = measureRect.X;
width = desiredWidth;
}
}
else if (node.IsRightAnchored())
{
x = measureRect.X + measureRect.Width - desiredWidth;
width = desiredWidth;
}
else if (node.IsHorizontalCenterAnchored())
{
x = measureRect.X + (measureRect.Width / 2.0f) - (desiredWidth / 2.0f);
width = desiredWidth;
}
}