awt.rb in image_voodoo-0.9.1

- old
+ new

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 require 'image_voodoo/awt/core_ext/buffered_image'
 require 'image_voodoo/awt/core_ext/graphics2d'
 require 'image_voodoo/awt/shapes'
 
 # AWT Implementation
@@ -130,11 +132,13 @@
       end
     end
 
     def determine_format_from_file_name(file_name)
       ext = file_name.split('.')[-1]
+
       raise ArgumentError, "no extension in file name #{file_name}" unless ext
+
       ext
     end
 
     def new_image_impl(width, height, file_name)
       format = determine_format_from_file_name file_name
@@ -180,10 +184,12 @@
 
   # Converts a RGB hex value into a java.awt.Color object or dies trying
   # with an ArgumentError.
   def hex_to_color(rgb='000000')
     rgb ||= '000000'
+
     raise ArgumentError, 'hex rrggbb needed' if rgb !~ /[[:xdigit:]]{6,6}/
+
     Color.new(rgb[0, 2].to_i(16), rgb[2, 2].to_i(16), rgb[4, 2].to_i(16))
   end
 
   NEGATIVE_OP = LookupOp.new(ShortLookupTable.new(0, (0...256).to_a.reverse.to_java(:short)), nil)
   GREY_OP = ColorConvertOp.new(ColorSpace.getInstance(ColorSpace::CS_GRAY), nil)