removed unneeded code
[rainbowstream.git] / rainbowstream / c_image.py
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0418d443 1from PIL import Image
60431c3b 2from os.path import join, dirname, getmtime, exists, expanduser
816e305f 3from .config import *
60431c3b 4
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5import ctypes
6import sys
7import os
8
60431c3b 9
10def call_c():
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11 """
12 Call the C program for converting RGB to Ansi colors
13 """
60431c3b 14 library = expanduser('~/.image.so')
15 sauce = join(dirname(__file__), 'image.c')
16 if not exists(library) or getmtime(sauce) > getmtime(library):
17 build = "gcc -fPIC -shared -o %s %s" % (library, sauce)
18 assert os.system(build + " >/dev/null 2>&1") == 0
991c30af 19 image_c = ctypes.cdll.LoadLibrary(library)
60431c3b 20 image_c.init()
21 return image_c.rgb_to_ansi
22
23rgb2short = call_c()
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24
25
60431c3b 26def pixel_print(ansicolor):
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27 """
28 Print a pixel with given Ansi color
29 """
60431c3b 30 sys.stdout.write('\033[48;5;%sm \033[0m' % (ansicolor))
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31
32
422dd385 33def image_to_display(path, start=None, length=None):
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34 """
35 Display an image
36 """
4592d231 37 rows, columns = os.popen('stty size', 'r').read().split()
38 if not start:
632c6fa5 39 start = c['IMAGE_SHIFT']
4592d231 40 if not length:
41 length = int(columns) - 2 * start
991c30af 42 i = Image.open(path)
60431c3b 43 i = i.convert('RGBA')
991c30af 44 w, h = i.size
60431c3b 45 i.load()
4592d231 46 width = min(w, length)
60431c3b 47 height = int(float(h) * (float(width) / float(w)))
48 height //= 2
f5677fb1 49 i = i.resize((width, height), Image.ANTIALIAS)
632c6fa5 50 height = min(height, c['IMAGE_MAX_HEIGHT'])
60431c3b 51
77f1d210 52 for y in range(height):
c3bab4ef 53 sys.stdout.write(' ' * start)
77f1d210 54 for x in range(width):
991c30af 55 p = i.getpixel((x, y))
60431c3b 56 r, g, b = p[:3]
991c30af 57 pixel_print(rgb2short(r, g, b))
c3bab4ef 58 sys.stdout.write('\n')
60431c3b 59
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60
61"""
62For direct using purpose
63"""
60431c3b 64if __name__ == '__main__':
65 image_to_display(sys.argv[1])