106 lines
3.1 KiB
Python
Executable file
106 lines
3.1 KiB
Python
Executable file
#!/usr/bin/env python
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import os, sys, argparse, os.path, json, time, signal, atexit
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#NOTE: This script uses pygments for RGB->X256 conversion since pygments is
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#readily available. If you do not like pygments (e.g. because it is large),
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#you could patch in something like https://github.com/magarcia/python-x256
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#(but don't forget to send me a pull request ;)
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from pygments.formatters import terminal256
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from PIL import Image, GifImagePlugin, ImageSequence
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formatter = terminal256.Terminal256Formatter()
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reset_sequence = terminal256.EscapeSequence(fg=formatter._closest_color(0,0,0), bg=formatter._closest_color(0,0,0)).reset_string()
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clear_screen = '\033[H\033[2J'
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cursor_invisible = '\033[?25l'
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cursor_visible = '\033[?25h'
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def termify_pixels(img):
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sx, sy = img.size
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out = ''
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fg,bg = None,None
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fgd,bgd = {},{}
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def bgescape(color):
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nonlocal bg, bgd
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if bg == color:
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return ''
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bg=color
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if color == (0,0,0,0):
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return '\033[49m'
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if color in bgd:
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return bgd[color]
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r,g,b,_ = color
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bgd[color] = '\033[48;5;'+str(formatter._closest_color(r,g,b))+'m'
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return bgd[color]
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def fgescape(color):
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nonlocal fg, fgd
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if fg == color:
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return ''
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fg=color
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r,g,b,_ = color
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fgd[color] = '\033[38;5;'+str(formatter._closest_color(r,g,b))+'m'
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return fgd[color]
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def balloon(x,y):
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if x+1 == img.size[0] or img.im.getpixel((x+1, y)) != (0,255,0,127):
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w = 1
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while x-w >= 0 and img.im.getpixel((x-w, y)) == (0,255,0,127):
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w += 1
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return '$balloon{}$'.format(w)
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return ''
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for y in range(0, sy, 2):
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for x in range(sx):
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coltop = img.im.getpixel((x, y))
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colbot = img.im.getpixel((x, y+1)) if y+1 < img.size[1] else (0,0,0,0)
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if coltop[3] == 127: #Control colors
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out += reset_sequence
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out += {(255, 0, 0, 127): lambda x,y:'$\\$',
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(0, 0, 255, 127): lambda x,y:'$/$',
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(0, 255, 0, 127): balloon
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}.get(coltop, lambda x,y:' ')(x,y)
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continue
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if coltop[3] != 255:
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coltop = (0,0,0,0)
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if colbot[3] != 255:
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colbot = (0,0,0,0)
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#Da magicks: ▀█▄
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c,cf = '▀','█'
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te,be = fgescape,bgescape
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if coltop == (0,0,0,0) or ((coltop == bg or colbot == fg) and not colbot == (0,0,0,0)):
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c,cf,te,be = '▄',' ',be,te
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if colbot == coltop:
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c,te,be = cf,te,te
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out += te(coltop) + be(colbot) + c
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out = out.rstrip() + '\n'
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return out[:-1] + reset_sequence + '\n'
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Render pixel images on 256-color ANSI terminals')
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parser.add_argument('image', type=str)
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args = parser.parse_args()
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img = Image.open(args.image)
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frames = []
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palette = img.getpalette()
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for frame in ImageSequence.Iterator(img):
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f = frame.copy()
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#This works around a known bug in Pillow
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#See also: http://stackoverflow.com/questions/4904940/python-converting-gif-frames-to-png
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f.putpalette(palette)
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f = f.convert("RGBA")
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frames.append(termify_pixels(f))
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print(cursor_invisible)
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atexit.register(lambda:print(cursor_visible))
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signal.signal(signal.SIGTERM, lambda signum, stack_frame: exit(1))
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while True:
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for frame in frames:
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print(clear_screen, reset_sequence)
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print(frame)
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time.sleep(img.info['duration']/1000.0)
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