X-Git-Url: https://projects.mako.cc/source/selectricity-live/blobdiff_plain/09c67d9323c7d379d4c6de5dc0457b6de16cff14..814ebbe864806750e95c3df954a47f4b0007c5e4:/vendor/plugins/gruff/lib/gruff/spider.rb

diff --git a/vendor/plugins/gruff/lib/gruff/spider.rb b/vendor/plugins/gruff/lib/gruff/spider.rb
deleted file mode 100644
index 7710426..0000000
--- a/vendor/plugins/gruff/lib/gruff/spider.rb
+++ /dev/null
@@ -1,130 +0,0 @@
-
-require File.dirname(__FILE__) + '/base'
-
-# Experimental!!! See also the Net graph.
-#
-# Submitted by Kevin Clark http://glu.ttono.us/
-class Gruff::Spider < Gruff::Base
-  
-  # Hide all text
-  attr_reader :hide_text
-  attr_accessor :hide_axes
-  attr_reader :transparent_background
-  
-  def transparent_background=(value)
-    @transparent_background = value
-    @base_image = render_transparent_background if value
-  end
-
-  def hide_text=(value)
-    @hide_title = @hide_text = value
-  end
-  
-  def initialize(max_value, target_width = 800)
-    super(target_width)
-    @max_value = max_value
-    @hide_legend = true;
-  end
-  
-  def draw
-    @hide_line_markers = true
-    
-    super
-
-    return unless @has_data
-
-    # Setup basic positioning
-    diameter = @graph_height
-    radius = @graph_height / 2.0
-    top_x = @graph_left + (@graph_width - diameter) / 2.0
-    center_x = @graph_left + (@graph_width / 2.0)
-    center_y = @graph_top + (@graph_height / 2.0) - 25 # Move graph up a bit
-    
-    @unit_length = radius / @max_value
-    
-        
-    total_sum = sums_for_spider
-    prev_degrees = 0.0
-    additive_angle = (2 * Math::PI)/ @data.size
-    
-    current_angle = 0.0
-
-    # Draw axes
-    draw_axes(center_x, center_y, radius, additive_angle) unless hide_axes    
-    
-    # Draw polygon
-    draw_polygon(center_x, center_y, additive_angle)
-    
-     
-    @d.draw(@base_image)
-  end
-
-private
-  
-  def normalize_points(value)
-    value * @unit_length
-  end
-  
-  def draw_label(center_x, center_y, angle, radius, amount)
-    r_offset = 50      # The distance out from the center of the pie to get point
-    x_offset = center_x      # The label points need to be tweaked slightly
-    y_offset = center_y + 0  # This one doesn't though
-    x = x_offset + ((radius + r_offset) * Math.cos(angle))
-    y = y_offset + ((radius + r_offset) * Math.sin(angle))
-    
-    # Draw label
-    @d.fill = @marker_color
-    @d.font = @font if @font
-    @d.pointsize = scale_fontsize(legend_font_size)
-    @d.stroke = 'transparent'
-    @d.font_weight = BoldWeight
-    @d.gravity = CenterGravity
-    @d.annotate_scaled( @base_image, 
-                      0, 0,
-                      x, y, 
-                      amount, @scale)
-  end
-  
-  def draw_axes(center_x, center_y, radius, additive_angle, line_color = nil)
-    return if hide_axes
-    
-    current_angle = 0.0
-    
-    @data.each do |data_row|
-      @d.stroke(line_color || data_row[DATA_COLOR_INDEX])
-      @d.stroke_width 5.0
-    
-      x_offset = radius * Math.cos(current_angle)
-      y_offset = radius * Math.sin(current_angle)
-
-      @d.line(center_x, center_y,
-              center_x + x_offset,
-              center_y + y_offset)
-            
-      draw_label(center_x, center_y, current_angle, radius, data_row[0].to_s) unless hide_text
-            
-      current_angle += additive_angle
-    end
-  end
-  
-  def draw_polygon(center_x, center_y, additive_angle, color = nil)
-    points = []
-    current_angle = 0.0
-    @data.each do |data_row|
-      points << center_x + normalize_points(data_row[1][0]) * Math.cos(current_angle)
-      points << center_y + normalize_points(data_row[1][0]) * Math.sin(current_angle)
-      current_angle += additive_angle
-    end
-    
-    @d.stroke_width 1.0
-    @d.stroke(color || @marker_color)
-    @d.fill(color || @marker_color)
-    @d.fill_opacity 0.4
-    @d.polygon(*points)
-  end
-  
-  def sums_for_spider
-    @data.inject(0.0) {|sum, data_row| sum += data_row[1][0]}
-  end
-
-end