Ruby gem to generate a default Image for a contact using contact's name

Label Images

This gem can be used for generating a default image for a contact to display in your app if you don't  have any image of contact.

It provides a helper method which will return you a css template of the image.

Installation

Add this line to you Gemfile
     

gem 'label_images'

and then execute

$bundle

Or install it yourself using command

$gem install label_images

Usage 

Require the gem 

require 'label_images'

Now you can call the helper method using:
  

generate_image(args1,args2,....).html_safe

This method takes the following arguments and all parameters are OPTIONAL

first_name ==> Name of the contact. Default value is empty string

last_name ==> This is optional parameter and use it if you need two alphabets to be displayed in the  image. Default value is empty string

shape ==> You can set the shape of the image.this parameter takes any of "circle" or "square" as value. Default value is square

radius ==> Set this  if you set the shape parameter to circle.this should be specified in pixels.  Default value is 40px.

width ==> Set this if you set the shape parameter to square.this should be specified in pixels. Default value is 80px. 

bg_color  ==> You can set the background color of the image.  Default value is generated randomly from few available color codes.

font_size ==> You can set the font size of the alphabet to be displayed in the image. this should be specified in pixels. Default value is 20px. 

font_family ==> You can set the font family of the alphabet to be displayed in the image. Default font family is verdana.

font_color  ==> You can set the font color of the alphabet to be displayed in the image. Default font color is white.

Example usage:

require 'label_images'
generate_image(first_name:"john", last_name:"peter", shape:"circle", radius:60, font_size:20).html_safe

output screenshot: