Requirements

Setup

    composer install

    php -f Console.php

or alternatively:

    ./Console.php

Commands

I M N. Create a new M x N image with all pixels coloured white (O).
C. Clears the table, setting all pixels to white (O).
L X Y C. Colours the pixel (X,Y) with colour C.
V X Y1 Y2 C. Draw a vertical segment of colour C in column X between rows Y1 and Y2 (inclusive).
H X1 X2 Y C. Draw a horizontal segment of colour C in row Y between columns X1 and X2 (inclusive).
F X Y C. Fill the region R with the colour C. R is defined as:
Pixel (X,Y) belongs to R. Any other pixel which is the same colour as (X,Y) and shares a common side with any pixel in R also belongs to this region.
S. Show the contents of the current image
X. Terminate the session
?. Show list of commands

    composer test