inky = Inky()
saturation = 0.5 # Saturation of palette
thresholds = [64, 64, 64] # Threshold for snapping colours, I guess?
if len(sys.argv) == 1:
print("""
Usage: {file} image-file
""".format(file=sys.argv[0]))
sys.exit(1)
if len(sys.argv) > 2:
saturation = float(sys.argv[2])
palette = hitherdither.palette.Palette(
inky._palette_blend(saturation, dtype='uint24'))
image = Image.open(sys.argv[1]).convert("RGB")
# VERY slow (1m 40s on a Pi 4) - see https://github.com/hbldh/hitherdither for a list of methods
# image_dithered = hitherdither.diffusion.error_diffusion_dithering(image, palette, method="stucki", order=2)
# Usably quick, your vanilla dithering
# image_dithered = hitherdither.ordered.bayer.bayer_dithering(image, palette, thresholds, order=8)
# Usuably quick, half-tone comic-book feel, use order=4 for small dots and order=8 dot bigguns
image_dithered = hitherdither.ordered.cluster.cluster_dot_dithering(image,
palette,
thresholds,
order=8)
# VERY slow
names = ['black', 'white', 'green', 'blue', 'red', 'yellow', 'orange']
if args.file is None:
print("You must specify an output palette file.")
sys.exit(1)
def raw_palette():
palette = bytearray(768)
palette[0:8 * 3] = inky._palette_blend(args.saturation, dtype='uint8')
return palette
if args.type == 'css':
palette = inky._palette_blend(args.saturation, dtype='uint24')
with open(args.file, 'w+') as f:
for i in range(7):
name = names[i]
colour = palette[i]
f.write(""".{name}_fg {{font-color:#{colour:06x}}}
.{name}_bg {{background-color:#{colour:06x}}}
""".format(name=name, colour=colour))
if args.type == 'gpl':
palette = inky._palette_blend(args.saturation, dtype='uint24')
with open(args.file, 'w+') as f:
f.write("GIMP Palette\n")
f.write("Name: InkyImpressions\n")
f.write("Columns: 7\n")
for i in range(7):