gistfile1.txt

from PIL import Image                                                                                                                       
from PIL import ImageDraw
from PIL import ImageFont



call_sign = "JI1SVR"

# base image
im = Image.new("RGB",(288, 72),"#00ff00")
palettedata = [0,0,0, 0,255,0, 255,255,255]


font_size = 20
fnt_reg = ImageFont.truetype('./fonts/Nasu-Regular-20200227.ttf', font_size)
fnt_bld = ImageFont.truetype('./fonts/Nasu-Bold-20200227.ttf', font_size-1)

draw = ImageDraw.Draw(im)

shadow_shift = 0 
draw.text((0 + shadow_shift, 32+shadow_shift),call_sign, font=fnt_bld, fill=(0,0,0))
draw.text((0, 32),call_sign, font=fnt_reg)


im.save("./with_CS.png")

im2 = Image.open("./with_CS.png")

im2.quantize(3, kmeans=True).convert("RGB")
im2.save("./with_CS_four.png")