#!/usr/bin/python

import Image
import ImageDraw

#import shutil

verbose = True
white_value = 180

def check_mostly_white(im_filename):
    result = False

    r,g,b = get_average(im_filename)

    if r > white_value and g > white_value and b > white_value:
        result = True

    if verbose:
        print im_filename +' --- ' + str(result)

    return result

def get_average(im_filename):
    r = 0
    g = 0
    b = 0
    im = Image.open(im_filename)
    for ii in  range(0,im.size[0]):
        for jj in  range(0,im.size[1]):
            rgb =  im.getpixel((ii,jj))
            r = r + rgb[0]
            g = g + rgb[1]
            b = b + rgb[2]

    number_of_pixels = im.size[0] * im.size[1]
    r = r / number_of_pixels
    g = g / number_of_pixels
    b = b / number_of_pixels

    return (r,g,b)

#def copy_image(srcname, dstname):
#    shutil.copyfile(srcname, dstname)
#
#def main():
#    import os
#
#    if verbose:
#        print 'running imageFilter'
#    #print get_average('images/Mon_Feb__4_09_00_01_2008.png')
#    for file_name in os.listdir('./images/'):
#        if file_name != 'fail' and file_name != 'pass' and file_name[0] != '.':
#            result = check_mostly_white('images/' + file_name)
#
#            if result:
#                copy_image('images/' + file_name, 'images/fail/' + file_name)
#            else:
#                copy_image('images/' + file_name, 'images/pass/' + file_name)
#
#    #print check_mostly_white('images/Mon_Feb__4_09_00_01_2008.png')
#
#
#
#if __name__ == '__main__':
#  main()