class TaskJuggler::Painter::Points

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

Public Class Methods

new(arr) click to toggle source

Store the list after doing some error checking.

# File lib/taskjuggler/Painter/Points.rb, line 22
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

Public Instance Methods

to_s() click to toggle source

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

# File lib/taskjuggler/Painter/Points.rb, line 33
def to_s
  str = ''
  @points.each do |point|
    str += "#{point[0]},#{point[1]} "
  end
  str
end