#!/usr/bin/env python
import sys
import os
from PIL import Image

def mknum (num):
	return ''.join ([chr ((num >> (8 * i)) & 0xff) for i in range (4)])

im = Image.open (sys.argv[1])
height = im.size[1]
width, baseline, skip = [int (x) for x in os.path.splitext (sys.argv[1])[0].split ('-')[-1].split ('+')]
num_glyphs = im.size[0] / width
sys.stdout.write (mknum (skip + num_glyphs))
size1 = (3 + width * height) * 4
base = (num_glyphs + skip) * 4
for i in range (skip):
	sys.stdout.write (mknum (base + (num_glyphs - 1) * size1))
for i in range (skip, skip + num_glyphs):
	sys.stdout.write (mknum (base + (i - skip) * size1))

im = im.convert ('RGBA')
pix = im.load ()
#sys.stderr.write ('%d\n' % len (pix[0,0]))
for g in range (skip, skip + num_glyphs):
	sys.stdout.write (mknum (width))
	sys.stdout.write (mknum (height))
	sys.stdout.write (mknum (baseline))
	for y in range (height):
		for x in range (width):
			sys.stdout.write (''.join ([chr (x) for x in (pix[x + (g - skip) * width, y])]))