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#!/usr/bin/env python3
import sys
from libsixel import *
from PIL import Image
from io import BytesIO
s = BytesIO()
file = sys.argv[1]
image = Image.open(file)
width, height = image.size
try:
data = image.tobytes()
except NotImplementedError:
data = image.tostring()
output = sixel_output_new(lambda data, s: s.write(data), s)
try:
if image.mode == 'RGBA':
dither = sixel_dither_new(256)
sixel_dither_initialize(dither, data, width, height, SIXEL_PIXELFORMAT_RGBA8888)
elif image.mode == 'RGB':
dither = sixel_dither_new(256)
sixel_dither_initialize(dither, data, width, height, SIXEL_PIXELFORMAT_RGB888)
elif image.mode == 'P':
palette = image.getpalette()
dither = sixel_dither_new(256)
sixel_dither_set_palette(dither, palette)
sixel_dither_set_pixelformat(dither, SIXEL_PIXELFORMAT_PAL8)
elif image.mode == 'L':
dither = sixel_dither_get(SIXEL_BUILTIN_G8)
sixel_dither_set_pixelformat(dither, SIXEL_PIXELFORMAT_G8)
elif image.mode == '1':
dither = sixel_dither_get(SIXEL_BUILTIN_G1)
sixel_dither_set_pixelformat(dither, SIXEL_PIXELFORMAT_G1)
else:
raise RuntimeError('unexpected image mode')
try:
sixel_encode(data, width, height, 1, dither, output)
print(s.getvalue().decode('ascii'))
finally:
sixel_dither_unref(dither)
finally:
sixel_output_unref(output)
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