/// <summary>
/// Shifts a covering rectangle either east (for vertical strips),
/// or north (for horizontal strips).
/// </summary>
/// <param name="w">The extent to shift</param>
void ShiftStrip(Extent w)
{
// Shift vertical strips east; shift horizontal strips north
if (w.Height > w.Width)
{
w.Increase((w.Width + 1) / 2, 0);
}
else
{
w.Increase(0, (w.Height + 1) / 2);
}
}
/// <summary>
/// Shifts a covering rectangle either east (for vertical strips),
/// or north (for horizontal strips).
/// </summary>
/// <param name="w">The extent to shift</param>
void ShiftStrip(Extent w)
{
// Shift vertical strips east; shift horizontal strips north
if (w.Height > w.Width)
w.Increase((w.Width+1)/2, 0);
else
w.Increase(0, (w.Height+1)/2);
}