Added convenient macro style class methods to rmagick processing

CHANGELOG.md

@@ -1,3 +1,12 @@
+# Version 0.2.5
+
+* [added] Added convenient macro style class methods to rmagick processing
+
+# Version 0.2.4
+
+* [added] `resize_to_limit` method for rmagick
+* [added] Now deletes files from Amazon S3 when record is destroyed
+
 # Version 0.2.2
 
 * [changed] Mount now no longer returns nil if there is no stored file, it returns a blank uploader instead

lib/carrierwave/processing/rmagick.rb

@@ -63,6 +63,37 @@ module CarrierWave
   #
   module RMagick
 
+    def self.included(base)
+      super
+      base.extend(ClassMethods)
+    end
+
+    module ClassMethods
+      def convert(format)
+        process :resize_to_limit => format
+      end
+
+      def resize_to_limit(width, height)
+        process :resize_to_limit => [width, height]
+      end
+
+      def resize_to_fit(width, height)
+        process :resize_to_fit => [width, height]
+      end
+
+      def resize_to_fill(width, height)
+        process :resize_to_fill => [width, height]
+      end
+
+      def resize_and_pad(width, height)
+        process :resize_to_fit => [width, height]
+      end
+
+      def resize_and_pad(width, height, background=:transparent, gravity=::Magick::CenterGravity)
+        process :resize_and_pad => [width, height, background, gravity]
+      end
+    end
+
     ##
     # Changes the image encoding format to the given format
     #