102 lines
2.4 KiB
Python
Executable File
102 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import re
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import sys
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import termios
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import tty
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from base64 import standard_b64encode
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from io import BytesIO
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def draw_to_terminal(buffer: BytesIO) -> None:
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write_chunked(a="T", i=1, f=100, q=2, data=buffer.getvalue())
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def serialize_gr_command(**cmd) -> bytes:
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payload = cmd.pop("payload", None)
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cmd = ",".join(f"{k}={v}" for k, v in cmd.items())
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ans = []
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w = ans.append
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w(b"\033_G"), w(cmd.encode("ascii"))
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if payload:
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w(b";")
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w(payload)
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w(b"\033\\")
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return b"".join(ans)
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def write_chunked(**cmd) -> None:
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data = standard_b64encode(cmd.pop("data"))
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while data:
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chunk, data = data[:4096], data[4096:]
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m = 1 if data else 0
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sys.stdout.buffer.write(serialize_gr_command(payload=chunk, m=m, **cmd))
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sys.stdout.flush()
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cmd.clear()
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def hide_cursor() -> None:
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sys.stdout.write("\x1b[?25l")
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sys.stdout.flush()
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def show_cursor() -> None:
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sys.stdout.write("\x1b[?25h")
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sys.stdout.flush()
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def set_position(y: int, x: int) -> None:
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sys.stdout.write(f"\x1b[{y};{x}H")
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sys.stdout.flush()
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def get_position() -> tuple[int, int]:
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# Save the current terminal settings
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fd = sys.stdin.fileno()
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old_settings = termios.tcgetattr(fd)
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try:
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# Set terminal to raw mode
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tty.setraw(fd)
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# Send the ESC[6n command to request cursor position
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sys.stdout.write("\x1b[6n")
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sys.stdout.flush()
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# Read the response: ESC [ row ; col R
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response = ""
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while True:
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ch = sys.stdin.read(1)
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response += ch
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if ch == "R":
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break
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finally:
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# Restore the terminal settings
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termios.tcsetattr(fd, termios.TCSANOW, old_settings)
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# Parse the response using regex
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match = re.search(r"\[(\d+);(\d+)R", response)
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if match:
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y, x = map(int, match.groups())
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return y, x
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else:
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raise ValueError("Failed to parse cursor position response")
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if __name__ == "__main__":
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import pyvista as pv
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s = pv.Sphere()
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pl = pv.Plotter()
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pl.add_mesh(s)
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b = BytesIO()
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pl.show()
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pl.screenshot(b)
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# i = Image.new("RGB", (100, 100), (0, 0, 0))
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# d = ImageDraw.Draw(i)
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# d.ellipse([(5, 5), (95, 95)])
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# d.ellipse([(10, 10), (90, 90)])
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# d.line(((50, 0), (50, 100)))
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# d.line(((0, 50), (100, 50)))
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draw_to_terminal(b)
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