bitmap_cmd_editor

BitmapCmdEditor

This is an interactive command script, input consists of a string containing a sequence of commands, where a command is represented by a single capital letter at the beginning of the line. Parameters of the command are separated by white spaces and they follow the command character.

Pixel co-ordinates are a pair of integers: a column number between 1 and 250, and a row number between 1 and 250. Bitmaps starts at coordinates 1,1. Colours are specified by capital letters.

Installation

Add this line to your application's Gemfile:

gem 'bitmap_cmd_editor'

And then execute:

$ bundle

Or install it yourself as:

$ gem install bitmap_cmd_editor

Usage

After install the gem in your system you will have avaible the command bitmap_cmd_editor. So, run in your terminal bitmap_cmd_editor then you should see this:

Available 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

Contributing

1. Fork it ( https://github.com/diegopiccinini/bitmap_cmd_editor.git/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request