2D layout algorithms

Files
file	spreadsheet_address.hpp
	Utilities for parsing spreadsheet addresses.

Detailed Description

Layout algorithms

hi::grid_layout: An algorithm that lays out boxes in rows and colunms. hi::row_layout: An algorithm that lays out boxes in a single row. hi::column_layout: An algorithm that lays out boxes in a single column. hi::flex_layout: An algorithm that lays out boxes next to each other, possibly flowing to a next line.