gre.get_string_size( font, font_size, string, length, width, data )
Calculate the area in pixels which the given string will occupy on the screen.
This call can only be made from the main Lua action execution thread.
Parameters: string The string to render font The name of the font to render in font_size The size of the font to render in string_length The length of the string to render or 0 for all (optional) width A clipping width (in pixels) for the string, used to calculate how many characters fit data A table containing additional options. Valid options are: ["length"] - number of characters to process ["spacing"] - letter spacing parameter ["wrapping"] - boolean to activate wrapping logic Returns: A table containing the following entries: "width" width in pixels of the widest line that will be rendered "height" total string height in pixels "n_lines" number of lines text occupies when rendered