fix setup.py
[rainbowstream.git] / rainbowstream / c_image.py
1 from PIL import Image
2 from functools import partial
3 from os.path import join, dirname, getmtime, exists, expanduser
4 from .config import *
5
6 import ctypes
7 import sys
8 import os
9
10
11 def call_c():
12 library = expanduser('~/.image.so')
13 sauce = join(dirname(__file__), 'image.c')
14 if not exists(library) or getmtime(sauce) > getmtime(library):
15 build = "gcc -fPIC -shared -o %s %s" % (library, sauce)
16 assert os.system(build + " >/dev/null 2>&1") == 0
17 image_c = ctypes.cdll.LoadLibrary(library)
18 image_c.init()
19 return image_c.rgb_to_ansi
20
21 rgb2short = call_c()
22
23
24 def pixel_print(ansicolor):
25 sys.stdout.write('\033[48;5;%sm \033[0m' % (ansicolor))
26
27
28 def image_to_display(path):
29 i = Image.open(path)
30 i = i.convert('RGBA')
31 w, h = i.size
32 i.load()
33 rows, columns = os.popen('stty size', 'r').read().split()
34 width = min(w, int(columns) - 2 * IMAGE_SHIFT)
35 height = int(float(h) * (float(width) / float(w)))
36 height //= 2
37 i = i.resize((width, height), Image.BICUBIC)
38 height = min(height, IMAGE_MAX_HEIGHT)
39
40 for y in xrange(height):
41 print ' ' * IMAGE_SHIFT,
42 for x in xrange(width):
43 p = i.getpixel((x, y))
44 r, g, b = p[:3]
45 pixel_print(rgb2short(r, g, b))
46 print ''
47
48 if __name__ == '__main__':
49 image_to_display(sys.argv[1])