takes a screenshot and copies it to the host
usage: fx screenshot [--landscape] [--png] [--trim] [-o <screencap_file>]
This command invokes Fuchsia's screencap tool to create a screenshot.
The result is written to screencap.ppm or screencap.png. To write to
another filename, use the -o parameter.
The --trim, --landscape and --png commands require ImageMagick to be
installed. Unrecognized parameters will be passed to ssh.
-o FILENAME Write to the given filename instead of screencap.ppm
--png Create a .png file instead of a .ppm file
--trim Remove black borders
--landscape Rotate image ninety degrees
Example usage:
fx screenshot --trim --png --landscape