document.rb in prawn-svg-0.12.0.4

- old
+ new

@@ -4,31 +4,32 @@
   begin
     require 'css_parser'
     CSS_PARSER_LOADED = true
   rescue LoadError
     CSS_PARSER_LOADED = false
-  end    
-  
+  end
+
   DEFAULT_WIDTH  = 640
   DEFAULT_HEIGHT = 480
-  
+
   # An +Array+ of warnings that occurred while parsing the SVG data.
   attr_reader :warnings
 
   # The scaling factor, as determined by the :width or :height options.
   attr_accessor :scale
 
   attr_reader :root,
     :actual_width, :actual_height, :width, :height, :x_offset, :y_offset, :cache_images,
-    :css_parser
-    
+    :css_parser, :elements_by_id
+
   def initialize(data, bounds, options)
     @css_parser = CssParser::Parser.new if CSS_PARSER_LOADED
 
     @root = REXML::Document.new(data).root
     @warnings = []
     @options = options
+    @elements_by_id = {}
     @cache_images = options[:cache_images]
     @actual_width, @actual_height = bounds # set this first so % width/heights can be used
 
     if vb = @root.attributes['viewBox']
       x1, y1, x2, y2 = vb.strip.split(/\s+/)
@@ -37,24 +38,24 @@
     else
       @x_offset, @y_offset = [0, 0]
       @actual_width = points(@root.attributes['width'] || DEFAULT_WIDTH, :x)
       @actual_height = points(@root.attributes['height'] || DEFAULT_HEIGHT, :y)
     end
-    
+
     if @options[:width]
-      @width = @options[:width]      
+      @width = @options[:width]
       @scale = @options[:width] / @actual_width.to_f
     elsif @options[:height]
       @height = @options[:height]
       @scale = @options[:height] / @actual_height.to_f
     else
       @scale = 1
     end
 
     @width ||= @actual_width * @scale
-    @height ||= @actual_height * @scale    
+    @height ||= @actual_height * @scale
   end
-  
+
   def x(value)
     (points(value, :x) - @x_offset) * scale
   end
 
   def y(value)