pie.rb in gruff-0.3.3

- old
+ new

@@ -38,18 +38,18 @@
     center_y = @graph_top + (@graph_height / 2.0) - 10 # Move graph up a bit
     total_sum = sums_for_pie()
     prev_degrees = @zero_degree
 
     # Use full data since we can easily calculate percentages
-    data = (@sort ? @data.sort{ |a, b| a[DATA_VALUES_INDEX][0] <=> b[DATA_VALUES_INDEX][0] } : @data)
+    data = (@sort ? @data.sort{ |a, b| a[DATA_VALUES_INDEX].first <=> b[DATA_VALUES_INDEX].first } : @data)
     data.each do |data_row|
-      if data_row[DATA_VALUES_INDEX][0] > 0
+      if data_row[DATA_VALUES_INDEX].first > 0
         @d = @d.stroke data_row[DATA_COLOR_INDEX]
         @d = @d.fill 'transparent'
         @d.stroke_width(radius) # stroke width should be equal to radius. we'll draw centered on (radius / 2)
 
-        current_degrees = (data_row[DATA_VALUES_INDEX][0] / total_sum) * 360.0 
+        current_degrees = (data_row[DATA_VALUES_INDEX].first / total_sum) * 360.0 
 
         # ellipse will draw the the stroke centered on the first two parameters offset by the second two.
         # therefore, in order to draw a circle of the proper diameter we must center the stroke at
         # half the radius for both x and y
         @d = @d.ellipse(center_x, center_y, 
@@ -61,11 +61,11 @@
         # Following line is commented to allow display of the percentiles
         # bug appeared between r90 and r92
         # unless @hide_line_markers then
           # End the string with %% to escape the single %.
           # RMagick must use sprintf with the string and % has special significance.
-          label_string = ((data_row[DATA_VALUES_INDEX][0] / total_sum) *
+          label_string = ((data_row[DATA_VALUES_INDEX].first / total_sum) *
                           100.0).round.to_s + '%%'
           @d = draw_label(center_x,center_y, half_angle,
                           radius + (radius * TEXT_OFFSET_PERCENTAGE),
                           label_string)
         # end
@@ -107,10 +107,10 @@
                       amount, @scale)
   end
 
   def sums_for_pie
     total_sum = 0.0
-    @data.collect {|data_row| total_sum += data_row[DATA_VALUES_INDEX][0] }
+    @data.collect {|data_row| total_sum += data_row[DATA_VALUES_INDEX].first }
     total_sum
   end
 
 end
 