Retinator Build Status

Retinator resizes the source image and generates three images in @1x, @2x and @3x iOS resolutions.

retinator-gif

Usage

retinator [source_image] [destination_resolution]
retinator --help
  • [source_image]: path to the source image
  • [destination_resolution]: a number indicating the resolution of the smaller dimension of the destination @1x image

Example

For an input image of 3000x1500, retinator test.jpg 200 will output:

test.png    (400x200)
[email protected] (800x400)
[email protected] (1200x600)

Installation

This gem needs ImageMagick or GraphicksMagick in order to run. It has to be installed using a brew formula. Run this command in your terminal:

brew install graphicsmagick

After that you can install the tool the usual way:

gem install retinator

Or, in dev mode:

bundle install
gem build retinator.gemspec
gem install retinator-[VERSION].gem

TODO

  • Allow batch processing