unsigned n_active_slots = 0;
unsigned n_slack_vars[2] = { 0, 0 };
Sides margin{ 8 };
unsigned row_spacing = 5;
unsigned col_spacing = 4;
Geometry autosize_geom;
unsigned n_active_slots = 0;
unsigned n_slack_vars[2] = { 0, 0 };
Sides margin{ 8 };
unsigned row_spacing = 5;
unsigned col_spacing = 4;
Geometry autosize_geom;