Data commit

Task/Bitmap-Write-a-PPM-file/Ruby/bitmap-write-a-ppm-file.rb

@@ -0,0 +1,20 @@
+class RGBColour
+  def values
+    [@red, @green, @blue]
+  end
+end
+
+class Pixmap
+  def save(filename)
+    File.open(filename, 'w') do |f|
+      f.puts "P6", "#{@width} #{@height}", "255"
+      f.binmode
+      @height.times do |y|
+        @width.times do |x|
+          f.print @data[x][y].values.pack('C3')
+        end
+      end
+    end
+  end
+  alias_method :write, :save
+end