diff --git a/examples/python/make_oled_pic.py b/examples/python/make_oled_pic.py new file mode 100755 index 00000000..85b3ca0f --- /dev/null +++ b/examples/python/make_oled_pic.py @@ -0,0 +1,74 @@ +#!/usr/bin/env python + +# Author: Brendan Le Foll +# Copyright (c) 2014 Intel Corporation. +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE + +from __future__ import print_function + +from PIL import Image +import sys + +# Pixels are arranged in one byte for 8 vertical pixels and not addressed individually +# We convert the image to greysacle and end up making it monochrome where we +# consider that every pixel that is '40' is black. + +width = 128 +height = 64 + +if len(sys.argv) != 2: + print('Please specify an image to use as the only argument') + exit(1) + +im = Image.open(sys.argv[1]) +im = im.convert('L').resize((width, height)) + +data = list(im.getdata()) + +byteblock = [0 for i in range(width)] +widthblock = [list(byteblock) for i in range(int(height/8))] +numblock = 0 +pixcount = 0 +i = 0 + +# we split the list by width * 8, to create data chunks of 8rows +datachunks=[data[x:x+(width*8)] for x in range(0, len(data), (width*8))] + +# grab every pixel of image (or datachunk) +while i < len(widthblock): + pixcount = 0 + for y in datachunks[i]: + xcoor = pixcount % width + ycoor = int(pixcount/width) + blknum = xcoor % len(widthblock) + blkycoor = ycoor + + # 40 is what we consider 'black' + if y > 40: + widthblock[i][xcoor] |= (1 << blkycoor) + + pixcount += 1 + i += 1 + +flatlist = [y for x in widthblock for y in x] + +carray = 'static uint8_t image[] = {\n' + ', '.join(str(x) for x in flatlist) +print(carray + '\n};')