122 lines
3.5 KiB
Python
122 lines
3.5 KiB
Python
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# example:
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# $ PYTHONPATH=`pwd` python examples/image2term.py http://fc00.deviantart.net/fs71/f/2011/310/5/a/giant_nyan_cat_by_daieny-d4fc8u1.png -t 100 -r 0.01
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try:
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from PIL import Image
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except:
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from sys import stderr
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stderr.write('[E] PIL not installed\n')
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exit(1)
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from drawille import Canvas
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from StringIO import StringIO
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import urllib2
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def getTerminalSize():
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import os
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env = os.environ
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def ioctl_GWINSZ(fd):
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import fcntl
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import termios
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import struct
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cr = struct.unpack('hh', fcntl.ioctl(fd, termios.TIOCGWINSZ, '1234'))
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return cr
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cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
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if not cr:
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try:
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fd = os.open(os.ctermid(), os.O_RDONLY)
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cr = ioctl_GWINSZ(fd)
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os.close(fd)
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except:
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pass
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if not cr:
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cr = (env.get('LINES', 25), env.get('COLUMNS', 80))
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return int(cr[1]), int(cr[0])
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def image2term(image, threshold=128, ratio=None, invert=False):
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if image.startswith('http://') or image.startswith('https://'):
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i = Image.open(StringIO(urllib2.urlopen(image).read())).convert('L')
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else:
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i = Image.open(open(image)).convert('L')
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w, h = i.size
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if ratio:
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w = int(w * ratio)
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h = int(h * ratio)
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i = i.resize((w, h), Image.ANTIALIAS)
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else:
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tw = getTerminalSize()[0]
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tw *= 2
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if tw < w:
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ratio = tw / float(w)
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w = tw
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h = int(h * ratio)
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i = i.resize((w, h), Image.ANTIALIAS)
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can = Canvas()
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x = y = 0
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try:
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i_converted = i.tobytes()
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except AttributeError:
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i_converted = i.tostring()
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for pix in i_converted:
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if invert:
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if ord(pix) > threshold:
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can.set(x, y)
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else:
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if ord(pix) < threshold:
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can.set(x, y)
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x += 1
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if x >= w:
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y += 1
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x = 0
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return can.frame(0, 0)
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def argparser():
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import argparse
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from sys import stdout
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argp = argparse.ArgumentParser(description='drawille - image to terminal example script')
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argp.add_argument('-o', '--output'
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,help = 'Output file - default is STDOUT'
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,metavar = 'FILE'
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,default = stdout
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,type = argparse.FileType('w')
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)
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argp.add_argument('-r', '--ratio'
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,help = 'Image resize ratio'
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,default = None
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,action = 'store'
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,type = float
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,metavar = 'N'
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)
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argp.add_argument('-t', '--threshold'
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,help = 'Color threshold'
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,default = 128
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,action = 'store'
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,type = int
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,metavar = 'N'
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)
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argp.add_argument('-i', '--invert'
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,help = 'Invert colors'
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,default = False
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,action = 'store_true'
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)
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argp.add_argument('image'
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,metavar = 'FILE'
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,help = 'Image file path/url'
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)
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return vars(argp.parse_args())
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def __main__():
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args = argparser()
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args['output'].write(image2term(args['image'], args['threshold'], args['ratio'], args['invert']))
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args['output'].write('\n')
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if __name__ == '__main__':
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__main__()
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