float &in_x, float &in_y, float &in_w, float &in_h,
float &out_x, float &out_y, float &out_w, float &out_h);
int vertical_span(Theme *theme);
float &in_x, float &in_y, float &in_w, float &in_h,
float &out_x, float &out_y, float &out_w, float &out_h);
int vertical_span(Theme *theme);