sparklines.rb in sparklines-0.2.6

- old
+ new

@@ -1,5 +1,6 @@
+
 require 'RMagick'
 require 'mathn'
 
 =begin rdoc
 
@@ -89,11 +90,11 @@
 Licensed under the MIT license.
 
 =end
 
 module Sparklines
-	$VERSION = '0.2.5'
+	VERSION = '0.2.6'
 
 	# Does the actually plotting of the graph. Calls the appropriate function based on the :type value passed. Defaults to 'smooth.'
 	def Sparklines.plot(results=[], options={})
 		defaults = {	:type => 'smooth',
 				:height => 14,
@@ -113,22 +114,23 @@
 
 				:has_min => false,
 				:has_max => false,
 				:has_last => false
 							}
-			
-		# This symbol->string->symbol is kind of awkward. Is there a more elegant way?
-			
+
+    # Have to do this to get around HashWithIndifferentAccess
+	  options_sym = Hash.new
 		options.keys.reverse.each do |key|
-			options[key.to_sym] = options[key]
+			options_sym[key.to_sym] = options[key]
 		end
-		options  = defaults.merge(options)
+
+		options_sym  = defaults.merge(options_sym)
 		
 		# Minimal normalization
 		maximum_value = self.get_max_value(results).to_f
 		
 		# Call the appropriate function for actual plotting
-		self.send(options[:type], results, options, maximum_value)
+		self.send(options_sym[:type], results, options_sym, maximum_value)
 	end
 
 	# Writes a graph to disk with the specified filename, or "Sparklines.png"
 	def Sparklines.plot_to_file(filename="sparklines.png", results=[], options={})
 		File.open( filename, 'wb' ) do |png|