russian_boxes.rb in prawn-2.2.0

- old
+ new

@@ -1,14 +1,11 @@
-# encoding: utf-8
-#
 # This example is mostly just for fun, and shows how nested bounding boxes
 # can simplify calculations. See the "Bounding Box" section of the manual
 # for more basic uses.
-#
-require File.expand_path(File.join(File.dirname(__FILE__),
-                                   %w[.. example_helper]))
 
+require_relative '../example_helper'
+
 filename = File.basename(__FILE__).gsub('.rb', '.pdf')
 Prawn::ManualBuilder::Example.generate(filename) do
   def combine(a1, a2)
     output = []
     a1.each do |i1|
@@ -20,20 +17,22 @@
   end
 
   def recurse_bounding_box(max_depth = 4, depth = 1)
     width = (bounds.width - 15) / 2
     height = (bounds.height - 15) / 2
-    left_top_corners = combine([5, bounds.right - width - 5],
-                               [bounds.top - 5, height + 5])
+    left_top_corners = combine(
+      [5, bounds.right - width - 5],
+      [bounds.top - 5, height + 5]
+    )
     left_top_corners.each do |lt|
-      bounding_box(lt, :width => width, :height => height) do
+      bounding_box(lt, width: width, height: height) do
         stroke_bounds
         recurse_bounding_box(max_depth, depth + 1) if depth < max_depth
       end
     end
   end
 
   # Set up a bbox from the dashed line to the bottom of the page
-  bounding_box([0, cursor], :width => bounds.width, :height => cursor) do
+  bounding_box([0, cursor], width: bounds.width, height: cursor) do
     recurse_bounding_box
   end
 end