Feature/image compresssor

lib/light_resizer.rb

@@ -1,5 +1,6 @@
 require 'light_resizer/version'
 require 'light_resizer/resizer'
+require 'light_resizer/compressor'
 require 'light_resizer/dimension_not_found'
 require 'light_resizer/middleware'
 require 'light_resizer/carrierwave_resize'
@@ -11,9 +12,13 @@ module LightResizer
   include Configurations
 
   configurable Array, :allowed_dimensions
+  configurable Integer, :jpeg_quality
+  configurable Integer, :png_compression
 
   configuration_defaults do |default_config|
     default_config.allowed_dimensions = []
+    default_config.jpeg_quality = 100
+    default_config.png_compression = 0
   end
 
-end
+end

lib/light_resizer/carrierwave_resize.rb

@@ -18,4 +18,4 @@ def resized_image_path(width, height, with_crop)
     end
 
   end
-end
+end

lib/light_resizer/compressor.rb

@@ -0,0 +1,19 @@
+# encoding: utf-8
+
+require 'piet'
+
+module LightResizer
+  class Compressor
+
+    def initialize(path_to_file)
+      @path_to_file = path_to_file
+    end
+
+    def process
+      options = { quality: LightResizer.configuration.jpeg_quality, level: LightResizer.configuration.png_compression, verbose: true }
+      result = Piet.optimize(@path_to_file, options)
+      Rails.logger.debug "Optimize passsed with result: #{result}"
+    end
+
+  end
+end

lib/light_resizer/middleware.rb

@@ -24,4 +24,4 @@ def resize_url_regex
     end
 
   end
-end
+end

lib/light_resizer/resizer.rb

@@ -1,8 +1,9 @@
 # encoding: utf-8
+
 module LightResizer
   class Resizer
 
-    IMAGE_EXTENSION = 'png'
+    IMAGE_EXTENSION = 'jpeg'
 
     def initialize(public_path, options)
       @public_path = public_path
@@ -14,6 +15,7 @@ def process
       resize_or_crop
       create_directory
       save_image
+      compress_image
     end
 
     def upload_path
@@ -22,6 +24,15 @@ def upload_path
 
     protected
 
+    def compress_image
+      LightResizer::Compressor.new(full_path).process
+    end
+
+    def compress_original_image
+      path_to_original_image = "#{@public_path}#{@options[:directory]}/#{@options[:image]}#{@options[:ext]}"
+      LightResizer::Compressor.new(path_to_original_image).process
+    end
+
     def image_exists?
       File.exists? full_path
     end
@@ -38,7 +49,7 @@ def check_allowed_dimension
     end
 
     def crop
-      image.resize_to_fill! width, height
+      image.resize_to_fill!(width, height, Magick::NorthGravity)
     end
 
     def resize
@@ -62,6 +73,10 @@ def image
       @image ||= ::Magick::Image.read("#{@public_path}#{@options[:directory]}/#{@options[:image]}#{@options[:ext]}").first
     end
 
+    def full_path
+      @full_path ||= "#{@public_path}#{@options}"
+    end
+
     def full_path
       @full_path ||= "#{@public_path}#{upload_path}"
     end

lib/light_resizer/version.rb

@@ -1,3 +1,3 @@
 module LightResizer
-  VERSION = '0.2.0'
+  VERSION = '0.2.1'
 end

light_resizer.gemspec

@@ -21,5 +21,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'rmagick'
   spec.add_dependency 'rack'
   spec.add_dependency 'configurations', '~> 2.2.0'
-
+  spec.add_dependency 'piet'
+  spec.add_dependency 'piet-binary'
 end