Fullscreen++ : User Guide

# Fullscreen++ : User Guide v2.2
=begin
  Description :
    New fullscreen mode that is more smart and make a better use of the screen
    surface (no black frame).
    Alt+Enter still uses the old fullscreen mode, to use the new one press F5.
    You can also press F6 to change the screen ratio, be it in fullscreen
    or windowed mode (both ratios are independents).
    This script automatically saves the last configuration used in the Game.ini
    file (fullscreen mode & ratios) and restores it when you restart the game.
    So before sharing your game do not forget to put the config you want by
    default, the first time we start your game.
    The old fullscreen mode is still present, but you can disable it by setting
    true on line 9 (instead of false).
    However it will also disable Alt+F4, and if you press Alt+Enter at the same
    time you can bypass the prohibition anyway.

  Log Change :
    2.2 :
      - fixed bug on VX when F12
    2.1 :
      - ratio is corrected when out of range of our screen
      - new functions to setup ratio
      - new functions to setup vx default fullscreen mode
    2.0 :
      - better coexists with the default fullscreen mode.
      - we can disable the default fullscreen mode.
      - we can change the screen ration by pressing F6.
      - settings are saved in the Game.ini file.

  Fonctions :
    Graphics.fullscreen?          : return the current fullscreen state.
    Graphics.vx_fullscreen?       : return the current vx fullscreen state.
    Graphics.fullscreen_mode      : go to fullscreen mode.
    Graphics.vx_fullscreen_mode   : go to vx fullscreen mode.
    Graphics.windowed_mode        : go to windowed mode.
    Graphics.toggle_fullscreen    : toggle from one mode to the other.
    Graphics.toggle_vx_fullscreen : toggle from one mode to the other using vx fullscreen.
    Graphics.toggle_ratio         : toggle from one ratio to the other.
    Graphics.ratio                : return current ratio.
    Graphics.ratio = n            : set ratio with a number.
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