graphviz.rb in rails-erd-1.5.1

- old
+ new

@@ -60,11 +60,12 @@
         pad:         "0.4,0.4",
         margin:      "0,0",
         concentrate: true,
         labelloc:    :t,
         fontsize:    13,
-        fontname:    FONTS[:bold]
+        fontname:    FONTS[:bold],
+        splines:     'spline'
       }
 
       # Default node attributes.
       NODE_ATTRIBUTES = {
         shape:    "Mrecord",
@@ -185,9 +186,12 @@
         # Switch rank direction if we're creating a vertically oriented graph.
         graph[:rankdir] = (options.orientation == "vertical") ? :LR : :TB
 
         # Title of the graph itself.
         graph[:label] = "#{title}\\n\\n" if title
+
+        # Style of splines
+        graph[:splines] = options.splines unless options.splines.nil?
 
         # Setup notation options.
         extend self.class.const_get(options.notation.to_s.capitalize.to_sym)
       end
 