.. py:module:: image_viewer

The class MainWindow
====================
	       

The class :py:class:`MainWindow` represents the main window interface of the program `image_viewer.py`. The specification is incomplete, since you will add your own methods.

.. py:class::  MainWindow()

   Inherits from :py:class:`PyQt5.QtWidgets.QMainWindow`

   .. rubric:: Main instance attributes (menus are not listed):
    
   .. py:attribute:: scene

      A container of all objects to rendered in the interface (:py:class:`scene.Scene`)

   .. py:attribute::  central

      The central widget of the the window (:py:class:`central.Central`)


   .. rubric:: Main instance methods:
      
   .. py:method:: create_menus()

      Creates the menu bar and invokes all other class methods that create menus to be added in the bar (these methods are not specified in this document)

   
   .. py:method:: add_item_interface(name, cat)

      Adds an item of the given name to the corresponding selection menu of the interface (images, surfaces or volumes)

   .. py:method:: render_current_image()

      Renders the current image in the matplotlib canvas of the central widget