lib/kanoko/application/convert/function.rb in kanoko-0.1.0 vs lib/kanoko/application/convert/function.rb in kanoko-0.1.1

@@ -1,37 +1,50 @@
 module Kanoko
   module Application
     class Convert
+      # You can make customize function.
+      # It just make or overwhrite instance method.
+      # example:
+      #   class Kanoko::Application::Convert::Function
+      #     # get "/new_func/new_value"
+      #     # => add imagemagick option
+      #     # -new-option new_value
+      #     def new_func(arg)
+      #       ['-new-option', arg]
+      #     end
+      #   end
       class Function
-        include Enumerable
-        extend Forwardable
-        def_delegators :@args, :each, :to_a, :to_h
+        class << self
+          def list
+            instance_methods(false)
+          end
+        end
 
-        def initialize(args)
-          @args = parse args
+        def crop(arg)
+          [
+            '-crop', arg
+          ]
         end
 
-        def to_path
-          paths = []
-          @args.each do |func, arg|
-            paths << "/#{func}/#{arg}"
-          end
-          paths.join
+        def fill(arg)
+          [
+            '-gravity', 'north',
+            '-extent', arg,
+            '-background', 'transparent',
+          ]
         end
 
-        private
+        def resize(arg)
+          [
+            '-define', "jpeg:size=#{arg}",
+            '-thumbnail', arg,
+          ]
+        end
 
-        def parse(args)
-          hash = {}
-          items = args.split('/')
-          items.each_slice(2) do |funcname, arg|
-            if funcname.match(/\./)
-              break
-            else
-              hash[funcname.to_sym] = arg.to_s
-            end
-          end
-          hash
+        def auto_orient
+          [
+            '-auto-orient'
+          ]
         end
       end
     end
   end
 end