Exifr is a pure ruby library to extract EXIF info from
image files. Both JPEG and TIFF formats are supported.
A Rails wrapper for the PDFkit library.
Meant to be a drop in replacement for princely.
FastImage finds the size or type of an image given its uri by
fetching as little as needed.
Flamegraph support for arbitrary ruby apps
The Geokit gem provides:
- Distance calculations between two points on the earth. Calculate the distance
in miles, kilometers, meters, or nautical miles, with all the trigonometry
abstracted away by Geokit.
- Geocoding from multiple providers. It supports Google, Yahoo, Geocoder.us, and
Geocoder.ca geocoders, and others. It provides a uniform response structure
from all of them. It also provides a fail-over mechanism, in case your input
fails to geocode in one service.
- Rectangular bounds calculations: is a point within a given rectangular bounds?
- Heading and midpoint calculations
Ruby/GdkPixbuf2 is a Ruby binding for GdkPixbuf2.
This gem contains the EmojiOne unicode/image assets and also APIs for
lookup of emoji names, their unicode characters or image assets and
conversion between emoji representations.
Ruby/GooCanvas is a Ruby binding of GooCanvas.
The Gruff Graphing Library is a project to make beautiful graphs with Ruby.
Can be used alone or with Ruby on Rails.