75 lines
1.7 KiB
Python
75 lines
1.7 KiB
Python
import socket
|
|
import sys
|
|
from pprint import pprint
|
|
import os.path
|
|
|
|
from PIL import Image, ImageDraw, ImageFont
|
|
|
|
|
|
try:
|
|
_, device, img_file = sys.argv
|
|
except:
|
|
print("usage: send.py [bl:ue:to:ot:h0] [filename.png]")
|
|
exit(1)
|
|
|
|
# -- handle image
|
|
|
|
if os.path.isfile(img_file):
|
|
img = Image.open(img_file)
|
|
else:
|
|
img = Image.new("1", (384, 240), color=1)
|
|
draw = ImageDraw.Draw(img)
|
|
for size in range(100, 1, -1):
|
|
font = ImageFont.truetype(
|
|
font="/usr/share/fonts/OTF/CascadiaCode-Regular.otf", size=size
|
|
)
|
|
if draw.textlength(img_file, font=font) <= 323:
|
|
break
|
|
draw.text((10, 10), img_file, font=font)
|
|
|
|
if img.height > img.width:
|
|
img = img.transpose(Image.ROTATE_90)
|
|
|
|
if 323 / img.width * img.height <= 240:
|
|
img = img.resize(size=(323, int(323 / img.width * img.height)))
|
|
else:
|
|
img = img.resize(size=(int(240 / img.height * img.width), 240))
|
|
|
|
imgborder = Image.new("1", (384, 240), color=1)
|
|
imgborder.paste(img, (61, 0))
|
|
img = imgborder
|
|
|
|
# -- print
|
|
|
|
buf = []
|
|
buf += [0x1B, 0x40]
|
|
buf += [0x1D, 0x76, 0x30, 0x0]
|
|
|
|
width = img.width
|
|
height = img.height
|
|
width8 = width // 8
|
|
|
|
buf += [width8 & 0xFF, width8 >> 8]
|
|
buf += [height & 0xFF, height >> 8]
|
|
|
|
ibuf = [0] * height * width8
|
|
for y in range(height):
|
|
for x in range(width):
|
|
if img.getpixel((x, y)) == 0:
|
|
ibuf[x // 8 + y * width8] |= 1 << (7 - (x & 7))
|
|
ibuf = [b if b != 0x0A else 0x14 for b in ibuf]
|
|
|
|
buf += ibuf
|
|
|
|
# -- send
|
|
|
|
with open("out.bin", "wb") as f:
|
|
f.write(bytes(buf))
|
|
exit(1)
|
|
|
|
sock = socket.socket(socket.AF_BLUETOOTH, socket.SOCK_STREAM, socket.BTPROTO_RFCOMM)
|
|
sock.bind((socket.BDADDR_ANY, 1))
|
|
sock.connect((device, 1))
|
|
sock.sendall(bytes(buf))
|
|
sock.recv(1024)
|
|
sock.close()
|