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This gem allows you to create a puzzle from an upload image.
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puzzlize.gemspec

README.md

Puzzlizer

Description

Puzzlizer allows you to create a puzzle from an upload image. It uses RMagic to cut up the image and provides helper function to allows the user to move the pieces around to solve the puzzle.

Installation

Edit you gem file add puzzlize to it.

gem "puzzlize"

Alternatively you could install the gem yourself:

console:
gem install puzzlize

Usage

Before you start you will need to add a migration on the model that you want to use:

console:
rails g migration add_puzzle_columns

Inside the migration you will need (assuming that your model is Painting):

def self.up
  change_table :paintings do |t|
    t.add_puzzlize_columns
  end
end

def self.down
  remove_puzzlize_columns :paintings
end

Inside your model you will need:

class Painting < ActiveRecord::Base
  has_attached_file :image, {:styles => { :medium => "800x800>" }}.merge(PAPERCLIP_STORAGE_OPTIONS) <-- after paperclip
  puzzlize :image
end

If you are not using paperclip and your image object does not have access to image.path(:medium) and image.url(:medium) you must overwritte these two methods in your model.

class Painting < ActiveRecord::Base

    def default_puzzle_image_url
      // Replacement code for --- image.url(:medium) ---
    end

    def default_puzzle_image_path
      // Replacement code for --- image.path(:medium) ---
    end
end

in the show/view:

  puzzlize_javascript_and_css(@painting)
  puzzlize_show_puzzle(@painting)

where @painting is model object.

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