A lot of updates so far today...

app/uploaders/avatar_uploader.rb

@@ -15,7 +15,7 @@ class AvatarUploader < CarrierWave::Uploader::Base
 	storage :file
 	process :optimize
 
-	@@sizes = {:thumb => [120, 120], :icon => [48, 48]}
+	@@sizes = {:thumb => [120, 120], :icon => [48, 48], :preview => [360, 120]}
 	# storage :fog
 
 	# Override the directory where uploaded files will be stored.
@@ -48,6 +48,10 @@ class AvatarUploader < CarrierWave::Uploader::Base
 		process :resize_to_fill => @@sizes[:icon]
 	end
 
+	version :preview do
+		process :resize_to_fit => @@sizes[:preview]
+	end
+
 	# Add a white list of extensions which are allowed to be uploaded.
 	# For images you might use something like this:
 	# def extension_white_list
@@ -60,4 +64,37 @@ class AvatarUploader < CarrierWave::Uploader::Base
 	#	 "something.jpg" if original_filename
 	# end
 
+	def image
+		@image ||= MiniMagick::Image.open(file.path)
+	end
+
+	def is_landscape?
+		image['width'] > (image['height'] * 1.25)
+	end
+
+	#def recreate_versions!(*versions)
+	#	if !current_path.nil?
+	#		current_path = "'" + (current_path || '') + "'"
+	#	end
+	#	super(*versions)
+	#end
+
+	def manipulate!
+		cache_stored_file! if !cached?
+		image = ::MiniMagick::Image.open(current_path)
+
+		begin
+			image.format(@format.to_s.downcase) if @format
+			image = yield(image)
+			image.write(current_path)
+			image.run_command("identify", '"' + current_path + '"')
+		ensure
+			image.destroy!
+		end
+	rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e
+		default = I18n.translate(:"errors.messages.mini_magick_processing_error", :e => e, :locale => :en)
+		message = I18n.translate(:"errors.messages.mini_magick_processing_error", :e => e, :default => default)
+		raise CarrierWave::ProcessingError, message
+	end
+
 end

app/uploaders/cover_uploader.rb

@@ -13,4 +13,20 @@ class CoverUploader < CarrierWave::Uploader::Base
 		"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
 	end
 
+	version :preview do
+		process :resize_to_fit => [480, 240]
+	end
+
+	version :full do
+		process :resize_to_fit => [1200, 800]
+	end
+
+	def image
+		@image ||= MiniMagick::Image.open(file.path)
+	end
+
+	def is_landscape?
+		image['width'] > image['height']
+	end
+
 end

app/uploaders/poster_uploader.rb

@@ -1,51 +1,60 @@
 # encoding: utf-8
+require 'carrierwave/processing/mini_magick'
 
 class PosterUploader < CarrierWave::Uploader::Base
 
-  # Include RMagick or MiniMagick support:
-  # include CarrierWave::RMagick
-  # include CarrierWave::MiniMagick
+	include CarrierWave::ImageOptimizer
+	include CarrierWave::MiniMagick
 
-  # Choose what kind of storage to use for this uploader:
-  storage :file
-  # storage :fog
+	storage :file
+	process :optimize
 
-  # Override the directory where uploaded files will be stored.
-  # This is a sensible default for uploaders that are meant to be mounted:
-  def store_dir
-    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
-  end
+	@@sizes = {:thumb => [120, 120], :icon => [48, 48], :preview => [360, 120], :full => [1024, 1024]}
 
-  # Provide a default URL as a default if there hasn't been a file uploaded:
-  # def default_url
-  #   # For Rails 3.1+ asset pipeline compatibility:
-  #   # ActionController::Base.helpers.asset_path("fallback/" + [version_name, "default.png"].compact.join('_'))
-  #
-  #   "/images/fallback/" + [version_name, "default.png"].compact.join('_')
-  # end
+	def store_dir
+		"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
+	end
 
-  # Process files as they are uploaded:
-  # process :scale => [200, 300]
-  #
-  # def scale(width, height)
-  #   # do something
-  # end
+	version :thumb do
+		process :resize_to_fill => @@sizes[:thumb]
+	end
 
-  # Create different versions of your uploaded files:
-  # version :thumb do
-  #   process :scale => [50, 50]
-  # end
+	version :icon do
+		process :resize_to_fill => @@sizes[:icon]
+	end
 
-  # Add a white list of extensions which are allowed to be uploaded.
-  # For images you might use something like this:
-  # def extension_white_list
-  #   %w(jpg jpeg gif png)
-  # end
+	version :preview do
+		process :resize_to_fit => @@sizes[:preview]
+	end
 
-  # Override the filename of the uploaded files:
-  # Avoid using model.id or version_name here, see uploader/store.rb for details.
-  # def filename
-  #   "something.jpg" if original_filename
-  # end
+	version :full do
+		process :resize_to_fit => @@sizes[:full]
+	end
+
+	def image
+		@image ||= MiniMagick::Image.open(file.path)
+	end
+
+	def is_landscape?
+		image['width'] > image['height']
+	end
+
+	def manipulate!
+		cache_stored_file! if !cached?
+		image = ::MiniMagick::Image.open(current_path)
+
+		begin
+			image.format(@format.to_s.downcase) if @format
+			image = yield(image)
+			image.write(current_path)
+			image.run_command("identify", '"' + current_path + '"')
+		ensure
+			image.destroy!
+		end
+	rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e
+		default = I18n.translate(:"errors.messages.mini_magick_processing_error", :e => e, :locale => :en)
+		message = I18n.translate(:"errors.messages.mini_magick_processing_error", :e => e, :default => default)
+		raise CarrierWave::ProcessingError, message
+	end
 
 end