1#!/usr/bin/env python
2
3# Author: Brendan Le Foll <brendan.le.foll@intel.com>
4# Copyright (c) 2014 Intel Corporation.
5#
6# Permission is hereby granted, free of charge, to any person obtaining
7# a copy of this software and associated documentation files (the
8# "Software"), to deal in the Software without restriction, including
9# without limitation the rights to use, copy, modify, merge, publish,
10# distribute, sublicense, and/or sell copies of the Software, and to
11# permit persons to whom the Software is furnished to do so, subject to
12# the following conditions:
13#
14# The above copyright notice and this permission notice shall be
15# included in all copies or substantial portions of the Software.
16#
17# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
24
25from __future__ import print_function
26
27from PIL import Image
28import sys
29
30# Pixels are arranged in one byte for 8 vertical pixels and not addressed individually
31# We convert the image to greysacle and end up making it monochrome where we
32# consider that every pixel that is '40' is black.
33
34width = 128
35height = 64
36
37if len(sys.argv) != 2:
38  print('Please specify an image to use as the only argument')
39  exit(1)
40
41im = Image.open(sys.argv[1])
42im = im.convert('L').resize((width, height))
43
44data = list(im.getdata())
45
46byteblock = [0 for i in range(width)]
47widthblock = [list(byteblock) for i in range(int(height/8))]
48numblock = 0
49pixcount = 0
50i = 0
51
52# we split the list by width * 8, to create data chunks of 8rows
53datachunks=[data[x:x+(width*8)] for x in range(0, len(data), (width*8))]
54
55# grab every pixel of image (or datachunk)
56while i < len(widthblock):
57  pixcount = 0
58  for y in datachunks[i]:
59    xcoor = pixcount % width
60    ycoor = int(pixcount/width)
61    blknum = xcoor % len(widthblock)
62    blkycoor = ycoor
63
64    # 40 is what we consider 'black'
65    if y > 40:
66      widthblock[i][xcoor] |= (1 << blkycoor)
67
68    pixcount += 1
69  i += 1
70
71flatlist = [y for x in widthblock for y in x]
72
73carray = 'static uint8_t image[] = {\n' + ', '.join(str(x) for x in flatlist)
74print(carray + '\n};')
75