lib/pdf/reader/page_layout.rb in pdf-reader-1.3.0 vs lib/pdf/reader/page_layout.rb in pdf-reader-1.3.1

@@ -7,10 +7,12 @@
   #
   # media box should be a 4 number array that describes the dimensions of the
   # page to be rendered as described by the page's MediaBox attribute
   class PageLayout
     def initialize(runs, mediabox)
+      raise ArgumentError, "a mediabox must be provided" if mediabox.nil?
+
       @runs    = merge_runs(runs)
       @mean_font_size   = mean(@runs.map(&:font_size)) || 0
       @mean_glyph_width = mean(@runs.map(&:mean_character_width)) || 0
       @page_width  = mediabox[2] - mediabox[0]
       @page_height = mediabox[3] - mediabox[1]
@@ -56,14 +58,14 @@
     def col_count
       @col_count ||= ((@page_width  / @mean_glyph_width) * 1.05).floor
     end
 
     def row_multiplier
-      @row_multiplier ||= @page_height / row_count
+      @row_multiplier ||= @page_height.to_f / row_count.to_f
     end
 
     def col_multiplier
-      @col_multiplier ||= @page_width / col_count
+      @col_multiplier ||= @page_width.to_f / col_count.to_f
     end
 
     def mean(collection)
       if collection.size == 0
         0