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trezor-firmware/python/tools/toiftool/toiftool.py

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2023-08-15 14:42:06 +00:00
#!/usr/bin/env python3
from typing import BinaryIO
import click
from PIL import Image
from trezorlib import toif
@click.group()
def cli():
"""TOIF toolkit."""
@cli.command()
@click.argument("infile", type=click.File("rb"))
@click.argument("outfile", type=click.File("wb"))
def convert(infile: BinaryIO, outfile: BinaryIO) -> None:
"""Convert any image format to/from TOIF or vice-versa.
\b
Examples:
toiftool convert somefile.jpg outfile.toif
toiftool convert infile.toif outfile.png
\b
# ensure gray-scale output TOIF
mogrify -colorspace gray icon.png
toiftool convert icon.png icon.toif
"""
if infile.name.endswith(".toif") or infile.name == "-":
toi = toif.from_bytes(infile.read())
im = toi.to_image()
im.save(outfile)
elif outfile.name.endswith(".toif") or outfile.name == "-":
im = Image.open(infile)
toi = toif.from_image(im)
outfile.write(toi.to_bytes())
else:
raise click.ClickException("At least one of the arguments must end with .toif")
@cli.command()
@click.argument("toif_file", type=click.File("rb"))
def info(toif_file: BinaryIO) -> None:
"""Print information about TOIF file."""
toif_bytes = toif_file.read()
toi = toif.from_bytes(toif_bytes)
click.echo(f"TOIF file: {toif_file.name}")
click.echo(f"Size: {len(toif_bytes)} bytes")
w, h = toi.size
click.echo(f"Dimensions: {w}x{h}")
click.echo(f"Format: {toi.mode}")
@cli.command()
@click.argument("toif_file", type=click.File("rb"))
def show(toif_file: BinaryIO) -> None:
"""Show TOIF file in a new window."""
toi = toif.from_bytes(toif_file.read())
im = toi.to_image()
im.show()
if __name__ == "__main__":
cli()