code organized as a gem

Author: dagi3d

.gitignore

@@ -0,0 +1,4 @@
+pkg/*
+*.gem
+Gemfile.lock
+.bundle

Gemfile

@@ -13,13 +13,16 @@ Requirements:
 
 Installation:
 -------------
+- Install the gem
+          
+          `gem install paperclip-facecrop'`
+          
 - Add to `Gemfile`
 
-          gem 'opencv'
-- Copy `paperclip/facecrop.rb` into your `lib` directory
+          gem 'paperclip-facecrop'
+
 - Write an initializer setting the path of the haarcascade filters(`initializers/paperclip.rb` for example):   
 
-          require 'paperclip/facecrop'
           Paperclip::FaceCrop.classifiers = ["/usr/local/share/opencv/haarcascades/haarcascade_frontalface_alt_tree.xml"]
 
 You can use more than one filter if you want in order to try more accurate searches.

README.md

@@ -0,0 +1,2 @@
+require 'bundler'
+Bundler::GemHelper.install_tasks

Rakefile

@@ -1,3 +1,5 @@
+require 'opencv'
+
 class Paperclip::FaceCrop < Paperclip::Thumbnail
 
   cattr_accessor :classifiers
@@ -10,6 +12,8 @@ def initialize(file, options = {}, attachment = nil)
     widths   = []
     heights  = []
 
+    raise "No classifiers were defined" if Paperclip::FaceCrop.classifiers.nil?
+    
     image = OpenCV::IplImage.load(file.path)
 
     Paperclip::FaceCrop.classifiers.each do |classifier|

paperclip/facecrop.rb lib/paperclip-facecrop.rb

@@ -0,0 +1,5 @@
+class Paperclip
+  class FaceCrop
+    VERSION = "0.0.1"
+  end
+end

lib/version.rb

@@ -0,0 +1,17 @@
+# encoding: utf-8
+$:.push File.expand_path("../lib", __FILE__)
+require 'version'
+Gem::Specification.new do |s|
+  s.name = "paperclip-facecrop"
+  s.version = Paperclip::FaceCrop::VERSION
+  s.authors = ["Borja Martín"]
+  s.description = %q{Paperclip processor that is aware of the faces detected on the image so that they don't get cropped or aren't shown too small while generating the thumbnails}
+  s.summary = %q{Paperclip processor that is aware of the faces found on the image}
+  s.email = "borjam@dagi3d.net"
+  s.homepage = "http://github.com/dagi3d/paperclip-facecrop"
+  s.require_paths = ["lib"]
+  s.files = `git ls-files`.split("\n")
+  s.has_rdoc = false
+  s.add_runtime_dependency("paperclip")
+  s.add_runtime_dependency("opencv", "~> 0.0.6")
+end