pr feedback

lib/fastimage.rb

@@ -379,8 +379,7 @@ class FastImage
       :psd
     when "\0\0"
       # ico has either a 1 (for ico format) or 2 (for cursor) at offset 3
-      format = @stream.peek(3)
-      format == [0,0,1].pack('c*') ? :ico : (format == [0,0,10].pack('c*') ? :cur : nil)  
+      {1 => :ico, 2 => :cur}[@stream.peek(3)[2].unpack('C')[0]]
     else
       raise UnknownImageType
     end
@@ -389,6 +388,7 @@ class FastImage
   def parse_size_for_ico
     @stream.read(8)[6..7].unpack('CC').map{|byte| byte == 0 ? 256 : byte }
   end
+  alias_method :parse_size_for_cur, :parse_size_for_ico
 
   def parse_size_for_gif
     @stream.read(11)[6..10].unpack('SS')

test/test.rb

@@ -26,7 +26,8 @@ GoodFixtures = {
   "infinite.jpg"=>[:jpeg, [160,240]],
   "orient_2.jpg"=>[:jpeg, [230,408]],
   "favicon.ico" => [:ico, [16, 16]],
-  "man.ico" => [:ico, [48, 48]]
+  "man.ico" => [:ico, [48, 48]],
+  "test.cur" => [:cur, [32, 32]]
 }
 
 BadFixtures = [
@@ -35,6 +36,7 @@ BadFixtures = [
 ]
 # man.ico courtesy of http://www.iconseeker.com/search-icon/artists-valley-sample/business-man-blue.html
 # test_rgb.ct courtesy of http://fileformats.archiveteam.org/wiki/Scitex_CT
+# test.cur courtesy of http://mimidestino.deviantart.com/art/Clash-Of-Clans-Dragon-Cursor-s-Punteros-489070897
 
 TestUrl = "http://example.nowhere/"