lib/vega/chart.rb in vega-0.2.1 vs lib/vega/chart.rb in vega-0.2.2

@@ -21,7 +21,19 @@
     def data!(value)
       (@spec[:data] ||= []) << data_value(value)
       self
     end
     immutable_method :data
+
+    def to_png
+      export("vg2png")
+    end
+
+    def to_svg
+      export("vg2svg")
+    end
+
+    def to_pdf
+      export("vg2pdf")
+    end
   end
 end