Be able to create an image from data

At the moment the image is simply shown to the user. But we need something
better. The user must be able to decide, what happens.
Also I want support for other colors.

lib/rubella.rb

@@ -56,7 +56,8 @@ module Rubella
 
     def process inpt
       weight = @weighting.new 10
-      weight.parse inpt
+      outpt    = @output.new
+      outpt.create weight.parse(inpt)
     end
 
     def input_json

lib/rubella/output/image.rb

@@ -1,7 +1,53 @@
+require 'RMagick'
+
 module Rubella
   module Output
 
     class Image
+      attr_accessor :field_size
+
+      def initialize field_size = 15
+        @field_size = field_size
+      end
+
+      def create parsed_list
+        buckets = parsed_list[0].length
+        columns = parsed_list.length
+
+        # image size
+        x = columns*@field_size
+        y = buckets*@field_size
+
+        # start drawing the damn thing
+        loadImg = Magick::Image.new(x, y) { self.background_color = "white" }
+
+        i = 0
+        parsed_list.each do |point|
+          j = 0
+          point.reverse.each do |part|
+            # draw a red rectangle on the white background
+            core = Magick::Draw.new
+
+            idensity = 127.5 * part
+            # Fix for float stupidity
+            idensity = 127.5 if idensity > 127.5
+
+            # Get the correct value
+            l = (255-idensity).round
+
+            # Draw
+            core.fill(Magick::Pixel.from_hsla(0, 255, l, 1).to_color)
+            core.rectangle((i*@field_size), (j*@field_size), ((i+1)*@field_size), ((j+1)*@field_size))
+            core.draw loadImg
+            j = j + 1
+          end
+          i = i + 1
+        end
+
+        loadImg.display
+      end
+
+
     end
 
   end