[%# This Source Code Form is subject to the terms of the Mozilla Public
  # License, v. 2.0. If a copy of the MPL was not distributed with this
  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
  #
  # This Source Code Form is "Incompatible With Secondary Licenses", as
  # defined by the Mozilla Public License, v. 2.0.
  #%]

[% FOR i IN [ 0 .. data.0.0.max ] %]
  [% data.0.0.$i = display_value(col_field, data.0.0.$i) %]
[% END %]

[% FILTER null;
  USE graph = GD.Graph.pie(width, height);

  graph.set(title          => field_descs.$col_field || col_field,
            pie_height     => 20,
            suppress_angle => 2,
            start_angle    => 180);
  END;
-%]

[% IF Param("font_file") %]
  [% graph.set_title_font(Param("font_file"), 10);
     graph.set_value_font(Param("font_file"), 9);
  %]
[% END %]

[% graph.plot(data.0).png | stdout(1) %]