Rect::HExpand

inline Rect<T>& HExpand(T h);
inline Rect<T>& HExpand(T l, T r);

Description

HExpand expands the rectangle horizontally by subtracting a value from x1 and adding a value to x2. The following expression is used to determine the result:

   (x1, y1) = (x1 - [l, m.Begin, h], x2 + [r, m.End, h])

Parameters

Parameters	Description
T h	A value that is subtracted from x1 and added to x2.
T l	A value that is subtracted from x1.
T r	A value that is added to x2.

Return Value

A Rect reference to a new string whose width is expanded by subtracting a value from x1 and adding a value to x2.