kglobe/kitty.py

106 lines
2.6 KiB
Python
Executable File

#!/usr/bin/env python3
import re
import sys
import termios
import tty
from base64 import standard_b64encode
from io import BytesIO
from PIL import Image, ImageDraw
def draw_to_terminal(img: Image.Image) -> None:
buffer: BytesIO = BytesIO()
img.save(buffer, format='PNG')
write_chunked(a='T', i=1, f=100, q=2, data=buffer.getvalue())
def serialize_gr_command(**cmd):
payload = cmd.pop('payload', None)
cmd = ','.join(f'{k}={v}' for k, v in cmd.items())
ans = []
w = ans.append
w(b'\033_G'), w(cmd.encode('ascii'))
if payload:
w(b';')
w(payload)
w(b'\033\\')
return b''.join(ans)
def write_chunked(**cmd):
data = standard_b64encode(cmd.pop('data'))
while data:
chunk, data = data[:4096], data[4096:]
m = 1 if data else 0
sys.stdout.buffer.write(serialize_gr_command(payload=chunk, m=m,
**cmd))
sys.stdout.flush()
cmd.clear()
def hide_cursor():
sys.stdout.write("\x1b[?25l")
sys.stdout.flush()
def show_cursor():
sys.stdout.write("\x1b[?25h")
sys.stdout.flush()
def set_position(y, x):
sys.stdout.write(f"\x1b[{y};{x}H")
sys.stdout.flush()
def get_position():
# Save the current terminal settings
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
# Set terminal to raw mode
tty.setraw(fd)
# Send the ESC[6n command to request cursor position
sys.stdout.write("\x1b[6n")
sys.stdout.flush()
# Read the response: ESC [ row ; col R
response = ''
while True:
ch = sys.stdin.read(1)
response += ch
if ch == 'R':
break
finally:
# Restore the terminal settings
termios.tcsetattr(fd, termios.TCSANOW, old_settings)
# Parse the response using regex
match = re.search(r'\[(\d+);(\d+)R', response)
if match:
y, x = map(int, match.groups())
return y, x
else:
raise ValueError("Failed to parse cursor position response")
# sys.stdout.write("\x1b[6n")
# sys.stdout.flush()
# response = ''
# while True:
# ch = sys.stdin.read(1)
# response += ch
# if ch == 'R':
# break
# match = re.search(r'\[(\d+);(\d+)R', response)
# if match:
# y, x = map(int, match.groups())
# return y, x
if __name__ == '__main__':
i = Image.new("RGB", (100, 100), (0, 0, 0))
d = ImageDraw.Draw(i)
d.ellipse([(5, 5), (95, 95)])
d.ellipse([(10, 10), (90, 90)])
d.line(((50, 0), (50, 100)))
d.line(((0, 50), (100, 50)))
draw_to_terminal(i)