def write_paper(self, a_file, a_format):
factor = 2 # have greater size to have good freetype rendering.
_width = factor * self.m_width
_height = factor * self.m_height
clear_color = inlib.colorf_white()
exlib.sg_write_paper(inlib.get_cout(),self.m_gl2ps_mgr,self.m_zb_mgr,\
clear_color.r(),clear_color.g(),clear_color.b(),clear_color.a(),\
self.m_sep,_width,_height,a_file,a_format)
del clear_color
if args.vis_mode == "offscreen":
import exlib_offscreen as exlib
all_sep = create_all_sep(sep)
gl2ps_mgr = exlib.sg_gl2ps_manager()
zb_mgr = inlib.sg_zb_manager()
factor = 2 # have greater size to have good freetype rendering.
_width = factor * width
_height = factor * height
clear_color = inlib.colorf_white()
file = 'out_two_cubes.ps'
format = "INZB_PS"
exlib.sg_write_paper(inlib.get_cout(),gl2ps_mgr,zb_mgr,\
clear_color.r(),clear_color.g(),clear_color.b(),clear_color.a(),\
all_sep,_width,_height,file,format)
file = 'out_two_cubes.png'
format = "INZB_PNG"
exlib.sg_write_paper(inlib.get_cout(),gl2ps_mgr,zb_mgr,\
clear_color.r(),clear_color.g(),clear_color.b(),clear_color.a(),\
all_sep,_width,_height,file,format)
del clear_color
del zb_mgr
del gl2ps_mgr
del all_sep
elif args.vis_mode == "client":
host = args.vis_host
port = int(args.vis_port)