Dump screen of Coot with white background and black chicken wire | Codetter（こーどったー）

##
# This script works on Coot.
# Save screen image with white background and black mesh for Gakusei Jikken.
# 
# by yam_cpp, 2011-09-30
#

def save_png_gakusei(arg):
    def get_displayed_maps():
        displayed_maps = []
        for i in range(graphics_n_molecules()):
            if map_is_displayed(i):
                print i, "is displayed map."
                displayed_maps.append(i)

        return displayed_maps
    # get_displayed_maps()

    # Assuming only one map is displayed
    displayed_map = get_displayed_maps()[0]

    # save map colour to restore later
    save_previous_map_colour(displayed_map)

    # change map & background colour and save image
    set_map_colour(displayed_map, 0, 0, 0)
    set_background_colour(255,255,255)
    screendump_image(time.strftime("~/Desktop/coot-%Y%m%d_%H%M%S.png"))

    # restore
    set_background_colour(0,0,0)
    restore_previous_map_colour(displayed_map)

add_simple_coot_menu_menuitem(coot_menubar_menu("Extensions"), "Save Image", save_png_gakusei)