Mini Magick

Byline:

Manipulate images with minimal use of memory via ImageMagick / GraphicsMagick

Key links

• 📗 Docs: https://rubydoc.info/github/minimagick/minimagick
• 👨‍💻 Repo:
• 📦 Package URL: https://rubygems.org/gems/mini_magick/

Homepage of mini_magick.rubyforge.org/ is currently not resolving.

The repo describes the gem as:

mini replacement for RMagick

And also:

A ruby wrapper for ImageMagick or GraphicsMagick command line.

Installation

Add to Gemfile:

gem "mini_magick"

Usage

Sample usage from the docs, reading an image, setting output size and format, then writing out.

require "mini_magick"

image = MiniMagick::Image.open("input.jpg")
image.path 
# ="/var/folders/k7/6zx6dx6x7ys3rv3srh0nyfj00000gn/T/magick20140921-75881-1yho3zc.jpg"

image.resize "100x100"
image.format "png"

image.write "output.png"

Attributes

image.type        #=> "JPEG"
image.mime_type   #=> "image/jpeg"

image.width       #=> 250
image.height      #=> 300
image.dimensions  #=> [250, 300]
image.size        #=> 3451 (in bytes)

image.colorspace  #=> "DirectClass sRGB"
image.exif        #=> {"DateTimeOriginal" => "2013:09:04 08:03:39", ...}
image.resolution  #=> [75, 75]
image.signature   #=> "60a7848c4ca6e36b8e2c5dea632ecdc29e9637791d2c59ebf7a54c0c6a74ef7e"