Contents

# frozen_string_literal: true

# Drawing polygons in Prawn is easy, just pass a sequence of points to one of
# the polygon family of methods.
#
# Just like <code>rounded_rectangle</code> we also have
# <code>rounded_polygon</code>. The only difference is the radius param comes
# before the polygon points.

require_relative '../example_helper'

filename = File.basename(__FILE__).gsub('.rb', '.pdf')
Prawn::ManualBuilder::Example.generate(filename) do
  stroke_axis

  # Triangle
  stroke_polygon [50, 200], [50, 300], [150, 300]

  # Hexagon
  fill_polygon [50, 150], [150, 200], [250, 150], [250, 50], [150, 0], [50, 50]

  # Pentagram
  pentagon_points = [500, 100], [430, 5], [319, 41], [319, 159], [430, 195]
  pentagram_points = [0, 2, 4, 1, 3].map { |i| pentagon_points[i] }

  stroke_rounded_polygon(20, *pentagram_points)
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
prawn-2.4.0	manual/graphics/polygon.rb
prawn-2.3.0	manual/graphics/polygon.rb