Method: PDF::Charts::StdDev#initialize

Defined in:
lib/extensions/pdf-writer/pdf/charts/stddev.rb

#initialize {|_self| ... } ⇒ StdDev

Returns a new instance of StdDev.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/extensions/pdf-writer/pdf/charts/stddev.rb', line 109

def initialize
  @data                       = []

  @scale                      = Scale.new do |scale|
    scale.range               = 0..6
    scale.step                = 1
    scale.style               = PDF::Writer::StrokeStyle.new(0.25)
    scale.show_labels         = false
    scale.label               = Label.new do |label|
      label.text_size         = 8
      label.text_color        = Color::RGB::Black
      label.pad               = 2
      label.decimal_precision = 1
    end
  end
  @leading_gap              = 10
  @show_labels              = true
  @label                    = Label.new do |label|
    label.height            = 25
    label.background_color  = Color::RGB::Black
    label.text_color        = Color::RGB::White
    label.text_size         = 12
  end

  @outer_borders            = Marker.new do |marker|
    marker.style            = PDF::Writer::StrokeStyle.new(1.5)
    marker.color            = Color::RGB::Black
  end
  @inner_borders            = nil

  @dot                      = Marker.new do |marker|
    marker.style            = PDF::Writer::StrokeStyle.new(5)
    marker.color            = Color::RGB::Black
  end
  @bar                      = Marker.new do |marker|
    marker.style            = PDF::Writer::StrokeStyle.new(0.5)
    marker.color            = Color::RGB::Black
  end
  @upper_crossbar           = Marker.new do |marker|
    marker.style            = PDF::Writer::StrokeStyle.new(1)
    marker.color            = Color::RGB::Black
  end
  @lower_crossbar           = Marker.new do |marker|
    marker.style            = PDF::Writer::StrokeStyle.new(1)
    marker.color            = Color::RGB::Black
  end

  @height                   = 200
  @maximum_width            = 500
  @datapoint_width          = 35

  yield self if block_given?
end