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The 'generate_image' gem provides a simple and easy-to-use interface for generating images using the DALL-E API. The gem is designed to be used in Ruby on Rails projects, but it can also be used in other Ruby projects.

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GenerateImage

The GenerateImage gem is a Ruby gem that provides an interface for generating images using the OpenAI DALL-E API. This gem can be used in Ruby on Rails projects or any other Ruby projects.

Installation

Add this line to your application's Gemfile:

gem 'generate_image'

And then execute:

bundle install

Or install it directly by running:

gem install generate_image

Usage

The gem provides a generate_image method, which takes a text argument and returns the generated image URL or image base64 as a hash. The method makes a request to the DALL-E API to generate an image based on the provided text.

Before using the generate_image method, you must set your OpenAI API key as an environment variable named DALL_E_API_KEY. The gem uses the Net::HTTP library to make API requests and includes error handling to ensure successful image generation. In case of any errors, the method will raise a RequestFailed exception.

Examples

require 'generate_image'

# Set the DALL-E API key
ENV['DALL_E_API_KEY'] = 'your_api_key'

# Generate a single image with default options
result = GenerateImage.generate_image('A three-story castle made of ice cream')
if result[:error]
  puts result[:error]
else
  puts result[:image_url]
end

# Generate a single image with custom options
result = GenerateImage.generate_image('A cat playing the piano', model: 'image-alpha-001', num_images: 2, size: '1024x1024', response_format: 'base64', quality: 90)
if result[:error]
  puts result[:error]
else
  puts result[:image_base64]
end

Options

The generate_image method accepts a hash of options to customize the generated images. Here are the available options:

model - The name of the model to use for generating the images. Default is image-alpha-001.

num_images - The number of images to generate. Default is 1.

size - The dimensions of the generated images in the format widthxheight. Default is 512x512.

response_format - The format of the response, either url or base64. Default is url.

style - The model or style to use for generating the images. Default is nil, which uses the default style of the selected model.

scale - The scaling factor for the generated image. Default is 1.

seed - The random seed to use for the generation process. Default is nil.

quality - The JPEG compression quality of the generated image. Default is 80.

text_model - The name of the model to use for generating text prompts. Default is text-davinci-002.

text_prompt - The text prompt to use for generating the image. Default is nil.

text_length - The maximum length of the generated text. Default is nil.

Development

To contribute to the development of this gem, clone the repository and run the following commands to install dependencies and run tests:

bin/setup
rake spec

You can also run bin/console for an interactive prompt to experiment with the code.

To release a new version, update the version number in version.rb and run:

bundle exec rake release

This will create a git tag for the new version, push the git commits and tags, and upload the .gem file to RubyGems.org.

Contributing

Bug reports and pull requests are welcome on the GitHub repository. This project is intended to be a safe and welcoming space for collaboration, and all contributors are expected to adhere to the code of conduct.

License

The GenerateImage gem is open source software, released under the terms of the MIT License.

About

The 'generate_image' gem provides a simple and easy-to-use interface for generating images using the DALL-E API. The gem is designed to be used in Ruby on Rails projects, but it can also be used in other Ruby projects.

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