#import a package that works with jpg images
from PIL import Image

#also import ipythonblocks
import ipythonblocks

#create an image object using a picture of us
im = Image.open('sare2.jpg')

#check what the size of the image is
im.size

#resize, keeping the general dimensions; 1/4 of original size
im = im.resize((153, 204), Image.ANTIALIAS)

#thank goodness, the package we imported before can do all that work for us
imdata = im.getdata()

#check and see what the first (r, g, b) value is
imdata[0]

#we can use blocks to see what that first color is
ipythonblocks.show_color(imdata[0][0], imdata[0][1],imdata[0][2])

#how many pixels are there in this image?
len(imdata)

import random

for i in range(10):
    val = random.randint(0,31212)
    print "The random pixel is:", val
    ipythonblocks.show_color(imdata[val][0],imdata[val][1],imdata[val][2])

#import packages that we will need
import os
import itertools

#this code is stuff matt wrote
#I think it makes a sare2.txt file. 
with open('sare2.txt', 'w') as f:
    s = ['# width height', '{0} {1}'.format(im.size[0], im.size[1]),
         '# block size', '4',
         '# initial color', '0 0 0',
         '# row column red green blue']
    f.write(os.linesep.join(s) + os.linesep)
    
    for ((row, col), colors) in itertools.izip(itertools.product(xrange(im.size[1]), xrange(im.size[0])), imdata):
        things = [str(x) for x in (row, col) + colors]
        f.write(' '.join(things + ['\n']))

#indeed, it does. this block just shows what is in the file.
#but I'm still not sure why we need this file. 
#I don't see it referenced later.
#but Matt wrote it so I'm leaving it in cause he's amazing
!head sare2.txt

grid = BlockGrid(153, 204, block_size=3, lines_on=True)

for block, colors in itertools.izip(grid, imdata):
    block.rgb = colors

grid

grid2 = BlockGrid(153, 204, block_size=3, lines_on=False)

for block, colors in itertools.izip(grid2, imdata):
    block.rgb = colors

grid2