class Magick::HatchFill

def fill(img) # required
  img.background_color = @bgcolor
  img.erase! # sets image to background color
  pixels = Array.new([img.rows, img.columns].max, @hatchpixel)
  @dist.step((img.columns - 1) / @dist * @dist, @dist) do |x|
    img.store_pixels(x, 0, 1, img.rows, pixels)
  end
  @dist.step((img.rows - 1) / @dist * @dist, @dist) do |y|
    img.store_pixels(0, y, img.columns, 1, pixels)
  end
end