A command line application that recursively reads all of the images from the supplied directory of images, extracts their EXIF GPS data (longitude and latitude), and then writes the name of that image and any GPS co-ordinates it finds to a CSV file. Results are written to a file...

Has Placeholder Image is a Ruby on Rails gem that allows developers to generate placeholder images for models depending on the title or name attributes of model.

growi-image_converter is a converter that converts esa.io images to GROWI.

octo-captioned-image adds captioned images to octopress v3. It uses the figure and figcaption tags. Styling can be customised.

A gem that extends Rails helpers with AI-powered image generation. Current functionality includes a custom image_tag helper that generates images based on a description.

AsciiPngfy is a Ruby Gem that enables you to render ASCII text into a PNG image up to a resolution of 3840(width) by 2160(height) using a 5x9 monospaced font. Configurable settings that influence the result are font-color, background-color, font-height, horizontal-spacing, vertical-spacing, and...

Image Radiant Extension management tool, meant only to be useful to pages and extensions that need to require images.

Pixavatar is a simple placeholder image generator that can be used as filler images where avatar images are missing

A practical image importer/loader. It wraps stb_image.h (ver:2.26 -2020.07.13-). Supported image formats are: JPEG, PNG, TGA, BMP, PSD, GIF(not animation), HDR, PIC, PNM. Checkout the Homepage for usage in Windows, MacOs, Linux or ARM

Libravatar provides avatar image hosting (like gravatar.com). Their users may associate avatar images with email or openid. This rubygem can be used to generate Libravatar image URL

Pure Ruby analyzer of the GIF image format. Performs complete analysis of internal GIF block structure and streams it as an objects stream with metainformations of each block. Also can interpret internal structure by providing the simple object-like interface to base image file informations. Work...

Thin gem wrapper that uses imagemagick and python-opencv to help determine image quality of e.g. user portraits.

Simple image resize library without external program.

Codebase as structure of locatable classes and methods based on the Ruby AST

This gem overrides image_tag to support retina resolution images using asset pipeline

This Ruby extension implements a DataMatrix encoder for Ruby. It is typically used to create semacodes, which are barcodes, that contain URLs. This encoder does not create image files or visual representations of the semacode. This is because it can be used for more than creating images, ...

A ruby gem for converting PDF documents into a series of images. This module is based off poppler_utils and ImageMagick.

Rspec-page-regression provides a mechanism for headless regression testing of web page renders in RSpec. It takes into account HTML, CSS, and JavaScript, by virtue of using PhantomJS (via the Poltergeist gem) to render snapshots. It provides an RSpec matcher that compares the test snapshot to a...

A responsive image gem for Rails and Carrierwave

Jekyll plugin to generate GitHub-style open graph images