chart
is not plotted with an outer border.
#
# You can use the :border
option to enable this behavior.
#
filename = File.basename(__FILE__).gsub('.rb', '.pdf')
Prawn::ManualBuilder::Example.generate(filename) do
data = {views: {Safari: 45.20001, Firefox: 33.3999, Chrome: 21.4}}
chart data, border: true
end