/// <summary>
/// Divide the specified Rectangle into two component rectangles
/// </summary>
/// <param name="amount">Amount to move away from the given edge</param>
/// <param name="fromEdge">The edge to create the slice from.</param>
public static Tuple<RectangleF, RectangleF> Divide(this RectangleF This, float amount, RectEdge fromEdge)
{
var delta = default(float);
switch (fromEdge) {
case RectEdge.Left:
delta = Math.Max(This.Width, amount);
return Tuple.Create(
new RectangleF(This.Left, This.Top, delta, This.Height),
new RectangleF(This.Left + delta, This.Top, This.Width - delta, This.Height));
case RectEdge.Top:
delta = Math.Max(This.Height, amount);
return Tuple.Create(
new RectangleF(This.Left, This.Top, This.Width, amount),
new RectangleF(This.Left, This.Top + delta, This.Width, This.Height - delta));
case RectEdge.Right:
delta = Math.Max(This.Width, amount);
return Tuple.Create(
new RectangleF(This.Right - delta, This.Top, delta, This.Height),
new RectangleF(This.Left, This.Top, This.Width - delta, This.Height));
case RectEdge.Bottom:
delta = Math.Max(This.Height, amount);
return Tuple.Create(
new RectangleF(This.Left, This.Bottom - delta, This.Width, delta),
new RectangleF(This.Left, This.Top, This.Width, This.Height - delta));
default:
throw new ArgumentException("edge");
}
}
/// <summary>
/// Divide the specified Rectangle into two component rectangles, adding
/// a padding between them.
/// </summary>
/// <param name="amount">Amount to move away from the given edge</param>
/// <param name="padding">The amount of padding that is in neither rectangle.</param>
/// <param name="fromEdge">The edge to create the slice from.</param>
public static Tuple<RectangleF, RectangleF> DivideWithPadding(this RectangleF This, float sliceAmount, float padding, RectEdge fromEdge)
{
var slice = This.Divide(sliceAmount, fromEdge);
var pad = This.Divide(padding, fromEdge);
return Tuple.Create(slice.Item1, pad.Item2);
}
