Class: TaskJuggler::Painter::Points

Inherits:
Object
  • Object
show all
Defined in:
lib/taskjuggler/Painter/Points.rb

Overview

Utility class to describe a list of x, y coordinates. Each coordinate is an Array with 2 elements. The whole list is another Array.

Instance Method Summary collapse

Constructor Details

#initialize(arr) ⇒ Points

Store the list after doing some error checking.



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# File 'lib/taskjuggler/Painter/Points.rb', line 23

def initialize(arr)
  arr.each do |point|
    unless point.is_a?(Array) && point.length == 2
      raise ArgumentError, 'Points must be an Array with 2 coordinates'
    end
  end
  @points = arr
end

Instance Method Details

#to_s ⇒ Object

Conver the list of coordinates into a String that is compatible with SVG syntax.



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# File 'lib/taskjuggler/Painter/Points.rb', line 34

def to_s
  str = ''
  @points.each do |point|
    str += "#{point[0]},#{point[1]} "
  end
  str
end