Contents

module DotGrid
  module Pattern
    class Checkerboard < Pattern

      def draw
        pdf.fill_color grid_color
        (0..rows).each do |row|
          (0..columns).each do |column|
            if (row % 2 == 0 && column % 2 == 0) || (row % 2 == 1 && column % 2 == 1)
              pdf.fill_rectangle [column*spacing, row*spacing], spacing, spacing
            end
          end
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
dot_grid-0.0.4	lib/dot_grid/pattern/checkerboard.rb