[deltacloud-devel] [PATCH aggregator 08/10] Added user defined bar percentage widths

[Martyn Taylor]

From: martyntaylor <mtaylor(a)redhat.com&gt;

---
 lib/scruffy/layers/bar.rb |   15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/scruffy/layers/bar.rb b/lib/scruffy/layers/bar.rb
index 885cda4..c746beb 100644
--- a/lib/scruffy/layers/bar.rb
+++ b/lib/scruffy/layers/bar.rb
@@ -6,9 +6,20 @@ module Scruffy::Layers
   #
   # Standard bar graph.  
   class Bar < Base
-  
+    attr_accessor :bar_width_percent
+
+    def initialize(options = {})
+      super(options)
+      @bar_width_percent = options[:bar_width] ? options[:bar_width] : nil
+    end
+
     # Draw bar graph.
     def draw(svg, coords, options = {})
+      # The percentage of space that the bar itself will fill in its allocated slot
+      if @bar_width_percent
+        @bar_width = @bar_width* @bar_width_percent
+      end
+
       coords.each do |coord|
         x, y, bar_height = (coord.first-(@bar_width * 0.5)), coord.last, (height -
coord.last)
 
@@ -19,7 +30,7 @@ module Scruffy::Layers
                     :style => "fill: black; fill-opacity: 0.15; stroke:
none;" )
 
         }
-        
+
         svg.rect( :x => x, :y => y, :width => @bar_width, :height =>
bar_height, 
                   :fill => color.to_s, 'style' => "opacity:
#{opacity}; stroke: none;" )
       end
-- 
1.7.1.1