Viewport for AHK v2

A script I threw together that allows you to createa a viewport.
Meaning it blacks out the screen but keeps a section of screen visible.
You can interact with things inside the viewport.

Demo

Controls

Controls can be set customized by editing the keys map.

Use standard AHK hotkey notation.
Example: Ctrl+F1 would be ^F1 and Win+NumpadAdd is #NumpadAdd.

Default controls:

• Shift+F1: Activate/Deactivate
  Activate/deactivate viewport hotkeys.

• Shift+LButton: Make/Move Viewport
  Click and drag to make a new viewport.
  If mouse is on a viewport, click and drag to move.

• Shift+MButton: Toggle Viewport Overlay
  Toggle viewport overlay.

• Shift+RButton: Resize Viewport
  Drag right/left to increase/decrease viewport width respectively.
  Same with up/down to increase/decrease viewport height.

• Shift+WheelUp/WheelDown: Adjust GUI Alpha
  Increases/decreases alpha value of the main GUI to a value between 0 (fully transparent) and 255 (fully opaque).