parser.rb in prawn-svg-0.9.1.11

- old
+ new

@@ -57,10 +57,13 @@
     "circle"    => %w(r),
     "ellipse"   => %w(rx ry),
     "rect"      => %w(width height),
     "path"      => %w(d)    
   }
+  
+  USE_NEW_CIRCLE_CALL = Prawn::Document.new.respond_to?(:circle)
+  USE_NEW_ELLIPSE_CALL = Prawn::Document.new.respond_to?(:ellipse)
 
   def parse_element(element)
     attrs = element.attributes
 
     if required_attributes = REQUIRED_ATTRIBUTES[element.name]
@@ -104,14 +107,19 @@
         [x(x), y(y)]
       end
       element.add_call "polygon", *points
   
     when 'circle'
-      element.add_call "circle_at", 
-        [x(attrs['cx'] || "0"), y(attrs['cy'] || "0")], :radius => distance(attrs['r'])
-  
+      if USE_NEW_CIRCLE_CALL
+        element.add_call "circle", 
+          [x(attrs['cx'] || "0"), y(attrs['cy'] || "0")], distance(attrs['r'])
+      else
+        element.add_call "circle_at", 
+          [x(attrs['cx'] || "0"), y(attrs['cy'] || "0")], :radius => distance(attrs['r'])
+      end
+      
     when 'ellipse'
-      element.add_call "ellipse_at", 
+      element.add_call USE_NEW_ELLIPSE_CALL ? "ellipse" : "ellipse_at", 
         [x(attrs['cx'] || "0"), y(attrs['cy'] || "0")], distance(attrs['rx']), distance(attrs['ry'])
   
     when 'rect'
       radius = distance(attrs['rx'] || attrs['ry'])
       args = [[x(attrs['x'] || '0'), y(attrs['y'] || '0')], distance(attrs['width']), distance(attrs['height'])]